From efbfbec8ba1ec3173ed0823eef4ce07492a3eeb8 Mon Sep 17 00:00:00 2001
From: Andrey Morozov <mauk.lekph@gmail.com>
Date: Sat, 3 Oct 2026 16:09:02 +0200
Subject: [PATCH 1/5] f-1563 add questionTypes tests

---
 .../assignment_builder/.eslintrc.cjs          |  2 +-
 .../{ => spec}/ActiveCodeAnswerView.test.tsx  |  7 +--
 .../{ => spec}/AnswerRenderer.test.tsx        | 24 ++++----
 .../{ => spec}/AssociationAnswerView.test.tsx |  9 +--
 .../spec/formatAssociationAnswer.test.ts      | 13 +++++
 .../utils/spec/parseAssociationLabels.test.ts | 19 +++++++
 .../utils/spec/parseAssociations.test.ts      | 20 +++++++
 .../utils/spec/parseJsonObject.test.ts        | 11 ++++
 .../utils/spec/textOnly.test.ts               | 11 ++++
 .../{ => spec}/DefaultAnswerView.test.tsx     |  7 +--
 .../{ => spec}/FitbAnswerView.test.tsx        |  7 +--
 .../utils/spec/parseBlankValues.test.ts       | 14 +++++
 .../{ => spec}/IframeAnswerView.test.tsx      |  8 +--
 .../utils/spec/extractFrameSpec.test.ts       | 15 +++++
 .../utils/spec/formatState.test.ts            | 16 ++++++
 .../utils/spec/getSpliceWrapper.test.ts       | 20 +++++++
 .../utils/spec/waitForSpliceWrapper.test.ts   | 37 +++++++++++++
 .../{ => spec}/McqAnswerView.test.tsx         |  7 +--
 .../utils/spec/optionIndexToLabel.test.ts     | 19 +++++++
 .../utils/spec/parseSelectedOptions.test.ts   |  8 +++
 .../{ => spec}/ParsonsAnswerView.test.tsx     |  7 +--
 .../utils/spec/parseParsonsBlocks.test.ts     | 11 ++++
 .../utils/spec/answerForRestore.test.ts       | 15 +++++
 .../spec/restoreDataForAttempt.test.ts}       | 16 +-----
 .../spec/RunestonePreview.test.tsx            | 55 +++++++++++++++++++
 .../{ => spec}/ShortAnswerView.test.tsx       |  7 +--
 .../assignment_builder/tsconfig.json          |  2 +-
 .../assignment_builder/vitest.config.ts       | 10 ++--
 .../assignment_builder/vitest.setup.ts        | 10 +---
 29 files changed, 325 insertions(+), 82 deletions(-)
 rename bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ActiveCodeAnswerView/{ => spec}/ActiveCodeAnswerView.test.tsx (82%)
 rename bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/AnswerRenderer/{ => spec}/AnswerRenderer.test.tsx (85%)
 rename bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/AssociationAnswerView/{ => spec}/AssociationAnswerView.test.tsx (91%)
 create mode 100644 bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/AssociationAnswerView/utils/spec/formatAssociationAnswer.test.ts
 create mode 100644 bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/AssociationAnswerView/utils/spec/parseAssociationLabels.test.ts
 create mode 100644 bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/AssociationAnswerView/utils/spec/parseAssociations.test.ts
 create mode 100644 bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/AssociationAnswerView/utils/spec/parseJsonObject.test.ts
 create mode 100644 bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/AssociationAnswerView/utils/spec/textOnly.test.ts
 rename bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/DefaultAnswerView/{ => spec}/DefaultAnswerView.test.tsx (82%)
 rename bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/FitbAnswerView/{ => spec}/FitbAnswerView.test.tsx (90%)
 create mode 100644 bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/FitbAnswerView/utils/spec/parseBlankValues.test.ts
 rename bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/IframeAnswerView/{ => spec}/IframeAnswerView.test.tsx (96%)
 create mode 100644 bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/IframeAnswerView/utils/spec/extractFrameSpec.test.ts
 create mode 100644 bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/IframeAnswerView/utils/spec/formatState.test.ts
 create mode 100644 bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/IframeAnswerView/utils/spec/getSpliceWrapper.test.ts
 create mode 100644 bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/IframeAnswerView/utils/spec/waitForSpliceWrapper.test.ts
 rename bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/McqAnswerView/{ => spec}/McqAnswerView.test.tsx (93%)
 create mode 100644 bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/McqAnswerView/utils/spec/optionIndexToLabel.test.ts
 create mode 100644 bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/McqAnswerView/utils/spec/parseSelectedOptions.test.ts
 rename bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ParsonsAnswerView/{ => spec}/ParsonsAnswerView.test.tsx (86%)
 create mode 100644 bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ParsonsAnswerView/utils/spec/parseParsonsBlocks.test.ts
 create mode 100644 bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/RunestoneGraderPreview/utils/spec/answerForRestore.test.ts
 rename bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/RunestoneGraderPreview/{RunestoneGraderPreview.test.ts => utils/spec/restoreDataForAttempt.test.ts} (53%)
 create mode 100644 bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/RunestonePreview/spec/RunestonePreview.test.tsx
 rename bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ShortAnswerView/{ => spec}/ShortAnswerView.test.tsx (83%)

diff --git a/bases/rsptx/assignment_server_api/assignment_builder/.eslintrc.cjs b/bases/rsptx/assignment_server_api/assignment_builder/.eslintrc.cjs
index 760f23309..0b59172af 100644
--- a/bases/rsptx/assignment_server_api/assignment_builder/.eslintrc.cjs
+++ b/bases/rsptx/assignment_server_api/assignment_builder/.eslintrc.cjs
@@ -106,7 +106,7 @@ module.exports = {
   },
   overrides: [
     {
-      files: ["**/*.spec.ts", "**/*.spec.tsx"],
+      files: ["**/*.spec.ts", "**/*.spec.tsx", "**/*.test.ts", "**/*.test.tsx"],
       rules: {
         "@typescript-eslint/no-explicit-any": "off",
         "@typescript-eslint/no-unused-vars": "off"
diff --git a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ActiveCodeAnswerView/ActiveCodeAnswerView.test.tsx b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ActiveCodeAnswerView/spec/ActiveCodeAnswerView.test.tsx
similarity index 82%
rename from bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ActiveCodeAnswerView/ActiveCodeAnswerView.test.tsx
rename to bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ActiveCodeAnswerView/spec/ActiveCodeAnswerView.test.tsx
index 50b330b10..0b8509dd0 100644
--- a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ActiveCodeAnswerView/ActiveCodeAnswerView.test.tsx
+++ b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ActiveCodeAnswerView/spec/ActiveCodeAnswerView.test.tsx
@@ -1,10 +1,7 @@
-import { describe, expect, it } from "vitest";
-
 import { renderWithMantine, screen } from "@/test/renderWithMantine";
 
-import { AnswerRendererProps } from "../types";
-
-import { ActiveCodeAnswerView } from "./ActiveCodeAnswerView";
+import { AnswerRendererProps } from "../../types";
+import { ActiveCodeAnswerView } from "../ActiveCodeAnswerView";
 
 const baseProps = (answer: string): AnswerRendererProps => ({
   answer,
diff --git a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/AnswerRenderer/AnswerRenderer.test.tsx b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/AnswerRenderer/spec/AnswerRenderer.test.tsx
similarity index 85%
rename from bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/AnswerRenderer/AnswerRenderer.test.tsx
rename to bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/AnswerRenderer/spec/AnswerRenderer.test.tsx
index 75281acca..bdac255c2 100644
--- a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/AnswerRenderer/AnswerRenderer.test.tsx
+++ b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/AnswerRenderer/spec/AnswerRenderer.test.tsx
@@ -1,25 +1,23 @@
 import { GraderAnswerHistoryItem } from "@store/grader/grader.logic.api";
-import { describe, expect, it, vi } from "vitest";
 
 import { renderWithMantine, screen } from "@/test/renderWithMantine";
 
-import { AnswerRendererProps } from "../types";
+import { AnswerRendererProps } from "../../types";
+import { AnswerRenderer } from "../AnswerRenderer";
 
-import { AnswerRenderer } from "./AnswerRenderer";
-
-vi.mock("../McqAnswerView", () => ({ McqAnswerView: () => <div>VIEW:MCQ</div> }));
-vi.mock("../AssociationAnswerView", () => ({
+vi.mock("../../McqAnswerView", () => ({ McqAnswerView: () => <div>VIEW:MCQ</div> }));
+vi.mock("../../AssociationAnswerView", () => ({
   AssociationAnswerView: ({ kind }: { kind: string }) => <div>VIEW:{kind.toUpperCase()}</div>
 }));
-vi.mock("../FitbAnswerView", () => ({ FitbAnswerView: () => <div>VIEW:FITB</div> }));
-vi.mock("../ShortAnswerView", () => ({ ShortAnswerView: () => <div>VIEW:SHORT</div> }));
-vi.mock("../ParsonsAnswerView", () => ({ ParsonsAnswerView: () => <div>VIEW:PARSONS</div> }));
-vi.mock("../ActiveCodeAnswerView", () => ({
+vi.mock("../../FitbAnswerView", () => ({ FitbAnswerView: () => <div>VIEW:FITB</div> }));
+vi.mock("../../ShortAnswerView", () => ({ ShortAnswerView: () => <div>VIEW:SHORT</div> }));
+vi.mock("../../ParsonsAnswerView", () => ({ ParsonsAnswerView: () => <div>VIEW:PARSONS</div> }));
+vi.mock("../../ActiveCodeAnswerView", () => ({
   ActiveCodeAnswerView: () => <div>VIEW:ACTIVECODE</div>
 }));
-vi.mock("../DefaultAnswerView", () => ({ DefaultAnswerView: () => <div>VIEW:DEFAULT</div> }));
-vi.mock("../IframeAnswerView", () => ({ IframeAnswerView: () => <div>VIEW:IFRAME</div> }));
-vi.mock("../RunestoneGraderPreview", () => ({
+vi.mock("../../DefaultAnswerView", () => ({ DefaultAnswerView: () => <div>VIEW:DEFAULT</div> }));
+vi.mock("../../IframeAnswerView", () => ({ IframeAnswerView: () => <div>VIEW:IFRAME</div> }));
+vi.mock("../../RunestoneGraderPreview", () => ({
   RunestoneGraderPreview: ({ attemptId }: { attemptId?: string | number }) => (
     <div>PREVIEW:{String(attemptId)}</div>
   )
diff --git a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/AssociationAnswerView/AssociationAnswerView.test.tsx b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/AssociationAnswerView/spec/AssociationAnswerView.test.tsx
similarity index 91%
rename from bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/AssociationAnswerView/AssociationAnswerView.test.tsx
rename to bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/AssociationAnswerView/spec/AssociationAnswerView.test.tsx
index 5b6706adc..f60b938d9 100644
--- a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/AssociationAnswerView/AssociationAnswerView.test.tsx
+++ b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/AssociationAnswerView/spec/AssociationAnswerView.test.tsx
@@ -1,11 +1,8 @@
-import { describe, expect, it } from "vitest";
-
 import { renderWithMantine, screen } from "@/test/renderWithMantine";
 
-import { AnswerRendererProps } from "../types";
-
-import { AssociationAnswerView } from "./AssociationAnswerView";
-import { formatAssociationAnswer, parseAssociations } from "./utils";
+import { AnswerRendererProps } from "../../types";
+import { AssociationAnswerView } from "../AssociationAnswerView";
+import { formatAssociationAnswer, parseAssociations } from "../utils";
 
 const baseProps = (overrides: Partial<AnswerRendererProps> = {}): AnswerRendererProps => ({
   answer: "",
diff --git a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/AssociationAnswerView/utils/spec/formatAssociationAnswer.test.ts b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/AssociationAnswerView/utils/spec/formatAssociationAnswer.test.ts
new file mode 100644
index 000000000..0be342a7a
--- /dev/null
+++ b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/AssociationAnswerView/utils/spec/formatAssociationAnswer.test.ts
@@ -0,0 +1,13 @@
+import { formatAssociationAnswer } from "../formatAssociationAnswer";
+
+describe("formatAssociationAnswer", () => {
+  it("falls back to ids when the question has no matching label", () => {
+    expect(
+      formatAssociationAnswer(
+        "matching",
+        '{"connections":[{"from":"known","to":"unknown"}]}',
+        '<span id="known" data-subcomponent="draggable">Known label</span>'
+      )
+    ).toBe("Known label → unknown");
+  });
+});
diff --git a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/AssociationAnswerView/utils/spec/parseAssociationLabels.test.ts b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/AssociationAnswerView/utils/spec/parseAssociationLabels.test.ts
new file mode 100644
index 000000000..77bd6252c
--- /dev/null
+++ b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/AssociationAnswerView/utils/spec/parseAssociationLabels.test.ts
@@ -0,0 +1,19 @@
+import { parseAssociationLabels } from "../parseAssociationLabels";
+
+describe("parseAssociationLabels", () => {
+  it("extracts plain labels from JSON and legacy draggable markup", () => {
+    const htmlsrc = `<div>
+      <script type="application/json">{
+        "left":[{"id":"left-1","label":"<strong>Loop</strong>"}],
+        "right":[{"id":"right-1","label":"Repeats statements"}]
+      }</script>
+      <span id="legacy-item" data-subcomponent="draggable"> Legacy item </span>
+    </div>`;
+
+    expect(parseAssociationLabels(htmlsrc)).toEqual({
+      "left-1": "Loop",
+      "right-1": "Repeats statements",
+      "legacy-item": "Legacy item"
+    });
+  });
+});
diff --git a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/AssociationAnswerView/utils/spec/parseAssociations.test.ts b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/AssociationAnswerView/utils/spec/parseAssociations.test.ts
new file mode 100644
index 000000000..52680ce01
--- /dev/null
+++ b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/AssociationAnswerView/utils/spec/parseAssociations.test.ts
@@ -0,0 +1,20 @@
+import { parseAssociations } from "../parseAssociations";
+
+describe("parseAssociations", () => {
+  it("keeps only valid matching connections", () => {
+    const answer = JSON.stringify({
+      connections: [{ from: "left-1", to: "right-1" }, { from: "left-2" }, null, "invalid"]
+    });
+
+    expect(parseAssociations("matching", answer)).toEqual([{ from: "left-1", to: "right-1" }]);
+  });
+
+  it("flattens drag-and-drop zones and ignores invalid values", () => {
+    expect(
+      parseAssociations("dragndrop", '{"zone-1":["item-1",5,"item-2"],"zone-2":null}')
+    ).toEqual([
+      { from: "item-1", to: "zone-1" },
+      { from: "item-2", to: "zone-1" }
+    ]);
+  });
+});
diff --git a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/AssociationAnswerView/utils/spec/parseJsonObject.test.ts b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/AssociationAnswerView/utils/spec/parseJsonObject.test.ts
new file mode 100644
index 000000000..dee25f743
--- /dev/null
+++ b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/AssociationAnswerView/utils/spec/parseJsonObject.test.ts
@@ -0,0 +1,11 @@
+import { parseJsonObject } from "../parseJsonObject";
+
+describe("parseJsonObject", () => {
+  it("accepts JSON objects", () => {
+    expect(parseJsonObject('{"value":1}')).toEqual({ value: 1 });
+  });
+
+  it.each(["[]", "null", "not-json"])("rejects invalid or non-object JSON: %s", (value) => {
+    expect(parseJsonObject(value)).toBeNull();
+  });
+});
diff --git a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/AssociationAnswerView/utils/spec/textOnly.test.ts b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/AssociationAnswerView/utils/spec/textOnly.test.ts
new file mode 100644
index 000000000..04517e165
--- /dev/null
+++ b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/AssociationAnswerView/utils/spec/textOnly.test.ts
@@ -0,0 +1,11 @@
+import { textOnly } from "../textOnly";
+
+describe("textOnly", () => {
+  it("removes markup and trims text", () => {
+    expect(textOnly(" <strong>Loop</strong> ")).toBe("Loop");
+  });
+
+  it("returns an empty string for non-string values", () => {
+    expect(textOnly(42)).toBe("");
+  });
+});
diff --git a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/DefaultAnswerView/DefaultAnswerView.test.tsx b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/DefaultAnswerView/spec/DefaultAnswerView.test.tsx
similarity index 82%
rename from bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/DefaultAnswerView/DefaultAnswerView.test.tsx
rename to bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/DefaultAnswerView/spec/DefaultAnswerView.test.tsx
index 51517faf4..a10984c00 100644
--- a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/DefaultAnswerView/DefaultAnswerView.test.tsx
+++ b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/DefaultAnswerView/spec/DefaultAnswerView.test.tsx
@@ -1,10 +1,7 @@
-import { describe, expect, it } from "vitest";
-
 import { renderWithMantine, screen } from "@/test/renderWithMantine";
 
-import { AnswerRendererProps } from "../types";
-
-import { DefaultAnswerView } from "./DefaultAnswerView";
+import { AnswerRendererProps } from "../../types";
+import { DefaultAnswerView } from "../DefaultAnswerView";
 
 const baseProps = (answer: string): AnswerRendererProps => ({
   answer,
diff --git a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/FitbAnswerView/FitbAnswerView.test.tsx b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/FitbAnswerView/spec/FitbAnswerView.test.tsx
similarity index 90%
rename from bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/FitbAnswerView/FitbAnswerView.test.tsx
rename to bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/FitbAnswerView/spec/FitbAnswerView.test.tsx
index 038bc4b59..9d64c87da 100644
--- a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/FitbAnswerView/FitbAnswerView.test.tsx
+++ b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/FitbAnswerView/spec/FitbAnswerView.test.tsx
@@ -1,10 +1,7 @@
-import { describe, expect, it } from "vitest";
-
 import { renderWithMantine, screen } from "@/test/renderWithMantine";
 
-import { AnswerRendererProps } from "../types";
-
-import { FitbAnswerView } from "./FitbAnswerView";
+import { AnswerRendererProps } from "../../types";
+import { FitbAnswerView } from "../FitbAnswerView";
 
 const baseProps = (answer: string): AnswerRendererProps => ({
   answer,
diff --git a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/FitbAnswerView/utils/spec/parseBlankValues.test.ts b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/FitbAnswerView/utils/spec/parseBlankValues.test.ts
new file mode 100644
index 000000000..6b4f31700
--- /dev/null
+++ b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/FitbAnswerView/utils/spec/parseBlankValues.test.ts
@@ -0,0 +1,14 @@
+import { parseBlankValues } from "../parseBlankValues";
+
+describe("parseBlankValues", () => {
+  it.each([
+    ['["first","second"]', ["first", "second"]],
+    ["5", ["5"]],
+    ["true", ["true"]],
+    ['{"value":1}', ["[object Object]"]],
+    ["first,second", ["first", "second"]],
+    ["", []]
+  ])("parses %s", (answer, expected) => {
+    expect(parseBlankValues(answer)).toEqual(expected);
+  });
+});
diff --git a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/IframeAnswerView/IframeAnswerView.test.tsx b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/IframeAnswerView/spec/IframeAnswerView.test.tsx
similarity index 96%
rename from bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/IframeAnswerView/IframeAnswerView.test.tsx
rename to bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/IframeAnswerView/spec/IframeAnswerView.test.tsx
index d38e92ed0..e630cc16e 100644
--- a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/IframeAnswerView/IframeAnswerView.test.tsx
+++ b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/IframeAnswerView/spec/IframeAnswerView.test.tsx
@@ -1,12 +1,10 @@
 import { GraderAnswerHistoryItem } from "@store/grader/grader.logic.api";
-import { describe, expect, it } from "vitest";
 
 import { renderWithMantine, screen, waitFor } from "@/test/renderWithMantine";
 
-import { AnswerRendererProps } from "../types";
-
-import { IframeAnswerView } from "./IframeAnswerView";
-import { extractFrameSpec } from "./utils";
+import { AnswerRendererProps } from "../../types";
+import { IframeAnswerView } from "../IframeAnswerView";
+import { extractFrameSpec } from "../utils";
 
 const DOENET_HTMLSRC = `
 <div class="ptx-runestone-container">
diff --git a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/IframeAnswerView/utils/spec/extractFrameSpec.test.ts b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/IframeAnswerView/utils/spec/extractFrameSpec.test.ts
new file mode 100644
index 000000000..eb9d76dea
--- /dev/null
+++ b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/IframeAnswerView/utils/spec/extractFrameSpec.test.ts
@@ -0,0 +1,15 @@
+import { extractFrameSpec } from "../extractFrameSpec";
+
+describe("extractFrameSpec", () => {
+  it("extracts iframe attributes", () => {
+    expect(extractFrameSpec('<iframe src="/activity" style="height: 20px"></iframe>')).toEqual({
+      src: "/activity",
+      style: "height: 20px"
+    });
+  });
+
+  it("rejects incomplete markup", () => {
+    expect(extractFrameSpec("<iframe></iframe>")).toBeNull();
+    expect(extractFrameSpec()).toBeNull();
+  });
+});
diff --git a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/IframeAnswerView/utils/spec/formatState.test.ts b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/IframeAnswerView/utils/spec/formatState.test.ts
new file mode 100644
index 000000000..75891ce46
--- /dev/null
+++ b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/IframeAnswerView/utils/spec/formatState.test.ts
@@ -0,0 +1,16 @@
+import { formatState } from "../formatState";
+
+describe("formatState", () => {
+  it("formats empty, string, and object saved state", () => {
+    expect(formatState(null)).toBe("(no state recorded)");
+    expect(formatState("saved")).toBe("saved");
+    expect(formatState({ value: 1 })).toBe('{\n  "value": 1\n}');
+  });
+
+  it("falls back to string conversion for circular state", () => {
+    const circular: Record<string, unknown> = {};
+
+    circular.self = circular;
+    expect(formatState(circular)).toBe("[object Object]");
+  });
+});
diff --git a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/IframeAnswerView/utils/spec/getSpliceWrapper.test.ts b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/IframeAnswerView/utils/spec/getSpliceWrapper.test.ts
new file mode 100644
index 000000000..e7e15891e
--- /dev/null
+++ b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/IframeAnswerView/utils/spec/getSpliceWrapper.test.ts
@@ -0,0 +1,20 @@
+import { getSpliceWrapper } from "../getSpliceWrapper";
+
+describe("getSpliceWrapper", () => {
+  afterEach(() => {
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+    delete (window as any).spliceWrapper;
+  });
+
+  it("returns an already loaded SPLICE wrapper", () => {
+    const wrapper = {
+      registerGraderFrame: vi.fn(),
+      unregisterGraderFrame: vi.fn()
+    };
+
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+    (window as any).spliceWrapper = wrapper;
+
+    expect(getSpliceWrapper()).toBe(wrapper);
+  });
+});
diff --git a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/IframeAnswerView/utils/spec/waitForSpliceWrapper.test.ts b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/IframeAnswerView/utils/spec/waitForSpliceWrapper.test.ts
new file mode 100644
index 000000000..5b0a364cb
--- /dev/null
+++ b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/IframeAnswerView/utils/spec/waitForSpliceWrapper.test.ts
@@ -0,0 +1,37 @@
+import { WRAPPER_POLL_MS } from "../../constants";
+import { waitForSpliceWrapper } from "../waitForSpliceWrapper";
+
+describe("waitForSpliceWrapper", () => {
+  afterEach(() => {
+    vi.useRealTimers();
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+    delete (window as any).spliceWrapper;
+  });
+
+  it("returns an already loaded SPLICE wrapper immediately", async () => {
+    const wrapper = {
+      registerGraderFrame: vi.fn(),
+      unregisterGraderFrame: vi.fn()
+    };
+
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+    (window as any).spliceWrapper = wrapper;
+
+    await expect(waitForSpliceWrapper()).resolves.toBe(wrapper);
+  });
+
+  it("waits until the SPLICE wrapper becomes available", async () => {
+    vi.useFakeTimers();
+    const wrapper = {
+      registerGraderFrame: vi.fn(),
+      unregisterGraderFrame: vi.fn()
+    };
+    const waiting = waitForSpliceWrapper();
+
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+    (window as any).spliceWrapper = wrapper;
+    await vi.advanceTimersByTimeAsync(WRAPPER_POLL_MS);
+
+    await expect(waiting).resolves.toBe(wrapper);
+  });
+});
diff --git a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/McqAnswerView/McqAnswerView.test.tsx b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/McqAnswerView/spec/McqAnswerView.test.tsx
similarity index 93%
rename from bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/McqAnswerView/McqAnswerView.test.tsx
rename to bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/McqAnswerView/spec/McqAnswerView.test.tsx
index 7a2e05208..e94be8f68 100644
--- a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/McqAnswerView/McqAnswerView.test.tsx
+++ b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/McqAnswerView/spec/McqAnswerView.test.tsx
@@ -1,10 +1,7 @@
-import { describe, expect, it } from "vitest";
-
 import { renderWithMantine, screen } from "@/test/renderWithMantine";
 
-import { AnswerRendererProps } from "../types";
-
-import { McqAnswerView } from "./McqAnswerView";
+import { AnswerRendererProps } from "../../types";
+import { McqAnswerView } from "../McqAnswerView";
 const baseProps = (overrides: Partial<AnswerRendererProps> = {}): AnswerRendererProps => ({
   answer: "",
   history: [],
diff --git a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/McqAnswerView/utils/spec/optionIndexToLabel.test.ts b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/McqAnswerView/utils/spec/optionIndexToLabel.test.ts
new file mode 100644
index 000000000..d75016c4d
--- /dev/null
+++ b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/McqAnswerView/utils/spec/optionIndexToLabel.test.ts
@@ -0,0 +1,19 @@
+import { optionIndexToLabel } from "../optionIndexToLabel";
+
+describe("optionIndexToLabel", () => {
+  it.each([
+    ["0", "A"],
+    ["25", "Z"],
+    ["26", "AA"],
+    ["27", "AB"],
+    ["51", "AZ"],
+    ["52", "BA"]
+  ])("converts option index %s to %s", (index, label) => {
+    expect(optionIndexToLabel(index)).toBe(label);
+  });
+
+  it("preserves legacy and unsafe option values", () => {
+    expect(optionIndexToLabel("legacy-a")).toBe("legacy-a");
+    expect(optionIndexToLabel("9007199254740992")).toBe("9007199254740992");
+  });
+});
diff --git a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/McqAnswerView/utils/spec/parseSelectedOptions.test.ts b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/McqAnswerView/utils/spec/parseSelectedOptions.test.ts
new file mode 100644
index 000000000..44091a8c6
--- /dev/null
+++ b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/McqAnswerView/utils/spec/parseSelectedOptions.test.ts
@@ -0,0 +1,8 @@
+import { parseSelectedOptions } from "../parseSelectedOptions";
+
+describe("parseSelectedOptions", () => {
+  it("splits selected options and removes empty segments", () => {
+    expect(parseSelectedOptions("0,,2")).toEqual(["0", "2"]);
+    expect(parseSelectedOptions("")).toEqual([]);
+  });
+});
diff --git a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ParsonsAnswerView/ParsonsAnswerView.test.tsx b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ParsonsAnswerView/spec/ParsonsAnswerView.test.tsx
similarity index 86%
rename from bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ParsonsAnswerView/ParsonsAnswerView.test.tsx
rename to bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ParsonsAnswerView/spec/ParsonsAnswerView.test.tsx
index 71d3beac6..98a9e9098 100644
--- a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ParsonsAnswerView/ParsonsAnswerView.test.tsx
+++ b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ParsonsAnswerView/spec/ParsonsAnswerView.test.tsx
@@ -1,10 +1,7 @@
-import { describe, expect, it } from "vitest";
-
 import { renderWithMantine, screen } from "@/test/renderWithMantine";
 
-import { AnswerRendererProps } from "../types";
-
-import { ParsonsAnswerView } from "./ParsonsAnswerView";
+import { AnswerRendererProps } from "../../types";
+import { ParsonsAnswerView } from "../ParsonsAnswerView";
 const baseProps = (answer: string): AnswerRendererProps => ({
   answer,
   history: [],
diff --git a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ParsonsAnswerView/utils/spec/parseParsonsBlocks.test.ts b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ParsonsAnswerView/utils/spec/parseParsonsBlocks.test.ts
new file mode 100644
index 000000000..c099e1b22
--- /dev/null
+++ b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ParsonsAnswerView/utils/spec/parseParsonsBlocks.test.ts
@@ -0,0 +1,11 @@
+import { parseParsonsBlocks } from "../parseParsonsBlocks";
+
+describe("parseParsonsBlocks", () => {
+  it("trims blocks and removes empty separators", () => {
+    expect(parseParsonsBlocks(" first - - second - third ")).toEqual(["first", "second", "third"]);
+  });
+
+  it("returns an empty list for an empty answer", () => {
+    expect(parseParsonsBlocks("")).toEqual([]);
+  });
+});
diff --git a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/RunestoneGraderPreview/utils/spec/answerForRestore.test.ts b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/RunestoneGraderPreview/utils/spec/answerForRestore.test.ts
new file mode 100644
index 000000000..4e93f5ad2
--- /dev/null
+++ b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/RunestoneGraderPreview/utils/spec/answerForRestore.test.ts
@@ -0,0 +1,15 @@
+import { answerForRestore } from "../answerForRestore";
+
+describe("answerForRestore", () => {
+  it("parses legacy string matching answers before calling restoreAnswers", () => {
+    expect(answerForRestore("matching", '{"connections":[{"from":"left","to":"right"}]}')).toEqual({
+      connections: [{ from: "left", to: "right" }]
+    });
+  });
+
+  it("keeps drag-and-drop JSON serialized because its component parses the string", () => {
+    const answer = '{"zone":["item"]}';
+
+    expect(answerForRestore("dragndrop", answer)).toBe(answer);
+  });
+});
diff --git a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/RunestoneGraderPreview/RunestoneGraderPreview.test.ts b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/RunestoneGraderPreview/utils/spec/restoreDataForAttempt.test.ts
similarity index 53%
rename from bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/RunestoneGraderPreview/RunestoneGraderPreview.test.ts
rename to bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/RunestoneGraderPreview/utils/spec/restoreDataForAttempt.test.ts
index aae7814d9..49b90e8af 100644
--- a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/RunestoneGraderPreview/RunestoneGraderPreview.test.ts
+++ b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/RunestoneGraderPreview/utils/spec/restoreDataForAttempt.test.ts
@@ -1,20 +1,8 @@
 import { GraderAnswerHistoryItem } from "@store/grader/grader.logic.api";
-import { describe, expect, it } from "vitest";
 
-import { answerForRestore, restoreDataForAttempt } from "./utils";
-describe("RunestoneGraderPreview restore data", () => {
-  it("parses legacy string matching answers before calling restoreAnswers", () => {
-    expect(answerForRestore("matching", '{"connections":[{"from":"left","to":"right"}]}')).toEqual({
-      connections: [{ from: "left", to: "right" }]
-    });
-  });
-
-  it("keeps drag-and-drop JSON serialized because its component parses the string", () => {
-    const answer = '{"zone":["item"]}';
-
-    expect(answerForRestore("dragndrop", answer)).toBe(answer);
-  });
+import { restoreDataForAttempt } from "../restoreDataForAttempt";
 
+describe("restoreDataForAttempt", () => {
   it("normalizes a null stored answer to the empty value expected by Runestone components", () => {
     expect(restoreDataForAttempt("mchoice", { id: 2, answer: null }, "student-1").answer).toBe("");
   });
diff --git a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/RunestonePreview/spec/RunestonePreview.test.tsx b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/RunestonePreview/spec/RunestonePreview.test.tsx
new file mode 100644
index 000000000..4d62b42f8
--- /dev/null
+++ b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/RunestonePreview/spec/RunestonePreview.test.tsx
@@ -0,0 +1,55 @@
+import { renderRunestoneComponent } from "@/componentFuncs";
+import { renderWithMantine, screen, waitFor } from "@/test/renderWithMantine";
+
+import { QuestionPreviewHeader, RunestonePreview } from "../RunestonePreview";
+
+vi.mock("@/componentFuncs", () => ({
+  renderRunestoneComponent: vi.fn(() => Promise.resolve())
+}));
+
+vi.mock("@components/routes/AssignmentBuilder/MathJaxWrapper", () => ({
+  MathJaxWrapper: ({ children }: { children: React.ReactNode }) => <>{children}</>
+}));
+
+vi.mock("better-react-mathjax", () => ({
+  MathJax: ({ children }: { children: React.ReactNode }) => <>{children}</>
+}));
+
+const renderRunestoneComponentMock = vi.mocked(renderRunestoneComponent);
+
+describe("RunestonePreview", () => {
+  beforeEach(() => {
+    renderRunestoneComponentMock.mockClear();
+  });
+
+  it("shows an explanatory message when rendered question HTML is unavailable", () => {
+    renderWithMantine(<RunestonePreview divId="question-1" />);
+
+    expect(screen.getByText("No rendered question preview available.")).toBeInTheDocument();
+    expect(renderRunestoneComponentMock).not.toHaveBeenCalled();
+  });
+
+  it("injects the question markup and initializes the Runestone component", async () => {
+    const { container } = renderWithMantine(
+      <RunestonePreview
+        divId="question-1"
+        htmlsrc='<div data-testid="rendered-question">Question body</div>'
+      />
+    );
+
+    expect(screen.getByTestId("rendered-question")).toHaveTextContent("Question body");
+    await waitFor(() => expect(renderRunestoneComponentMock).toHaveBeenCalledTimes(1));
+
+    const previewElement = container.querySelector(".ptx-runestone-container > div > div");
+    const [previewRef, options] = renderRunestoneComponentMock.mock.calls[0];
+
+    expect(previewRef.current).toBe(previewElement);
+    expect(options).toEqual({ isCalledFromBuilder: true, graderactive: false });
+  });
+
+  it("renders the question name in the shared preview header", () => {
+    renderWithMantine(<QuestionPreviewHeader questionName="parsons-greeting" />);
+
+    expect(screen.getByRole("heading", { name: "Question: parsons-greeting" })).toBeInTheDocument();
+  });
+});
diff --git a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ShortAnswerView/ShortAnswerView.test.tsx b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ShortAnswerView/spec/ShortAnswerView.test.tsx
similarity index 83%
rename from bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ShortAnswerView/ShortAnswerView.test.tsx
rename to bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ShortAnswerView/spec/ShortAnswerView.test.tsx
index 70949c351..72c16a566 100644
--- a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ShortAnswerView/ShortAnswerView.test.tsx
+++ b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ShortAnswerView/spec/ShortAnswerView.test.tsx
@@ -1,10 +1,7 @@
-import { describe, expect, it } from "vitest";
-
 import { renderWithMantine, screen } from "@/test/renderWithMantine";
 
-import { AnswerRendererProps } from "../types";
-
-import { ShortAnswerView } from "./ShortAnswerView";
+import { AnswerRendererProps } from "../../types";
+import { ShortAnswerView } from "../ShortAnswerView";
 const baseProps = (answer: string): AnswerRendererProps => ({
   answer,
   history: [],
diff --git a/bases/rsptx/assignment_server_api/assignment_builder/tsconfig.json b/bases/rsptx/assignment_server_api/assignment_builder/tsconfig.json
index f9a4ca13b..0aed58e2d 100755
--- a/bases/rsptx/assignment_server_api/assignment_builder/tsconfig.json
+++ b/bases/rsptx/assignment_server_api/assignment_builder/tsconfig.json
@@ -31,5 +31,5 @@
     "vite.config.ts",
     "playwright.config.ts"
   ],
-  "exclude": ["node_modules"]
+  "exclude": ["node_modules", "coverage", "e2e/playwright-report", "e2e/test-results"]
 }
diff --git a/bases/rsptx/assignment_server_api/assignment_builder/vitest.config.ts b/bases/rsptx/assignment_server_api/assignment_builder/vitest.config.ts
index 63973fc1a..d0b92f968 100755
--- a/bases/rsptx/assignment_server_api/assignment_builder/vitest.config.ts
+++ b/bases/rsptx/assignment_server_api/assignment_builder/vitest.config.ts
@@ -1,20 +1,20 @@
 import react from "@vitejs/plugin-react";
+import { fileURLToPath } from "node:url";
 import { defineConfig as viteDefineConfig } from "vite";
-import checker from "vite-plugin-checker";
 import commonjs from "vite-plugin-commonjs";
 import viteTsconfig from "vite-tsconfig-paths";
 import { defineConfig, mergeConfig } from "vitest/config";
 
 import svgTransformFile from "./scripts/svgTransformFile";
 
+const projectRoot = fileURLToPath(new URL(".", import.meta.url));
+
 export default mergeConfig(
   viteDefineConfig({
     base: "/",
+    root: projectRoot,
     plugins: [
       viteTsconfig(),
-      checker({
-        typescript: true
-      }),
       {
         name: "transform-svg",
         transform(_, fileName) {
@@ -29,7 +29,7 @@ export default mergeConfig(
     test: {
       globals: true,
       environment: "jsdom",
-      setupFiles: "vitest.setup.ts",
+      setupFiles: fileURLToPath(new URL("./vitest.setup.ts", import.meta.url)),
       testTimeout: 10000,
       hookTimeout: 10000,
       include: ["src/**/*.spec.*", "src/**/*.test.*"],
diff --git a/bases/rsptx/assignment_server_api/assignment_builder/vitest.setup.ts b/bases/rsptx/assignment_server_api/assignment_builder/vitest.setup.ts
index 7c6522ca3..7626bfead 100755
--- a/bases/rsptx/assignment_server_api/assignment_builder/vitest.setup.ts
+++ b/bases/rsptx/assignment_server_api/assignment_builder/vitest.setup.ts
@@ -1,7 +1,5 @@
 import "@testing-library/jest-dom";
 
-import { JSDOM } from "jsdom";
-
 /**
  * Provide Web Storage when the runtime does not.
  *
@@ -19,7 +17,8 @@ import { JSDOM } from "jsdom";
  * check, because the brand is carried by the jsdom module rather than by the
  * individual window.
  *
- * A fresh JSDOM per setup run means each test file starts with empty storage.
+ * Reading the storage from jsdom's `window` preserves the genuine `Storage`
+ * implementation while replacing only Node's conflicting global accessor.
  * Remove this once vitest populates the jsdom value over Node's.
  */
 const installStorage = () => {
@@ -30,14 +29,11 @@ const installStorage = () => {
     return;
   }
 
-  // Storage needs a non-opaque origin, hence the explicit url.
-  const donor = new JSDOM("", { url: "http://localhost/" }).window;
-
   for (const name of missing) {
     Object.defineProperty(globalThis, name, {
       configurable: true,
       writable: true,
-      value: donor[name]
+      value: window[name]
     });
   }
 };

From e38496bc95b2eb9b3fa53d06323d7e0925351240 Mon Sep 17 00:00:00 2001
From: Andrey Morozov <mauk.lekph@gmail.com>
Date: Wed, 7 Oct 2026 18:59:41 +0200
Subject: [PATCH 2/5] f-1563 fix parser tests

---
 .../utils/spec/extractParsonsSource.test.ts   | 38 ++++++++++++++++++-
 .../utils/spec/parseParsonsBlocks.test.ts     | 11 ------
 .../utils/spec/parseParsonsHash.test.ts       |  7 ++++
 .../spec/reconstructParsonsAnswer.test.ts     | 29 ++++++++++++++
 4 files changed, 72 insertions(+), 13 deletions(-)
 delete mode 100644 bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ParsonsAnswerView/utils/spec/parseParsonsBlocks.test.ts

diff --git a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ParsonsAnswerView/utils/spec/extractParsonsSource.test.ts b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ParsonsAnswerView/utils/spec/extractParsonsSource.test.ts
index ca4ad6f82..538f50698 100644
--- a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ParsonsAnswerView/utils/spec/extractParsonsSource.test.ts
+++ b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ParsonsAnswerView/utils/spec/extractParsonsSource.test.ts
@@ -27,7 +27,41 @@ if left &lt; right:
     ).toMatchObject({ indentUnit: "  ", noIndent: true });
   });
 
-  it("returns null when the Parsons source is absent", () => {
-    expect(extractParsonsSource("<div>Question only</div>")).toBeNull();
+  it.each([
+    ["line #paired:alternative", "line"],
+    ["line #tag:condition;depends:setup;", "line"]
+  ])("removes supported block metadata from %j", (block, expected) => {
+    expect(extractParsonsSource(`<pre class="parsonsblocks">${block}</pre>`)).toMatchObject({
+      lines: [{ indentLevel: 0, text: expected }]
+    });
+  });
+
+  it("parses line-based sources without block separators", () => {
+    expect(extractParsonsSource('<pre class="parsonsblocks">first\n  second</pre>')).toMatchObject({
+      indentUnit: "  ",
+      lines: [
+        { indentLevel: 0, text: "first" },
+        { indentLevel: 1, text: "second" }
+      ]
+    });
+  });
+
+  it("uses the default indentation when the source has no indented lines", () => {
+    expect(extractParsonsSource('<pre class="parsonsblocks">first\nsecond</pre>')).toMatchObject({
+      indentUnit: "    "
+    });
+  });
+
+  it("recognizes tabs as the indentation unit", () => {
+    expect(extractParsonsSource('<pre class="parsonsblocks">first\n---\n\tsecond</pre>')).toMatchObject({
+      indentUnit: "\t"
+    });
   });
+
+  it.each([undefined, "", "<div>Question only</div>"])(
+    "returns null when the Parsons source is absent from %j",
+    (source) => {
+      expect(extractParsonsSource(source)).toBeNull();
+    }
+  );
 });
diff --git a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ParsonsAnswerView/utils/spec/parseParsonsBlocks.test.ts b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ParsonsAnswerView/utils/spec/parseParsonsBlocks.test.ts
deleted file mode 100644
index c099e1b22..000000000
--- a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ParsonsAnswerView/utils/spec/parseParsonsBlocks.test.ts
+++ /dev/null
@@ -1,11 +0,0 @@
-import { parseParsonsBlocks } from "../parseParsonsBlocks";
-
-describe("parseParsonsBlocks", () => {
-  it("trims blocks and removes empty separators", () => {
-    expect(parseParsonsBlocks(" first - - second - third ")).toEqual(["first", "second", "third"]);
-  });
-
-  it("returns an empty list for an empty answer", () => {
-    expect(parseParsonsBlocks("")).toEqual([]);
-  });
-});
diff --git a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ParsonsAnswerView/utils/spec/parseParsonsHash.test.ts b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ParsonsAnswerView/utils/spec/parseParsonsHash.test.ts
index 24ae6712d..4efe45205 100644
--- a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ParsonsAnswerView/utils/spec/parseParsonsHash.test.ts
+++ b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ParsonsAnswerView/utils/spec/parseParsonsHash.test.ts
@@ -8,6 +8,13 @@ describe("parseParsonsHash", () => {
     ]);
   });
 
+  it("ignores surrounding whitespace", () => {
+    expect(parseParsonsHash(" 0_1_0-2_2 ")).toEqual([
+      { lineIndexes: [0, 1], indent: 0 },
+      { lineIndexes: [2], indent: 2 }
+    ]);
+  });
+
   it.each(["", "-", null, undefined])("treats %j as an empty answer", (answer) => {
     expect(parseParsonsHash(answer)).toEqual([]);
   });
diff --git a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ParsonsAnswerView/utils/spec/reconstructParsonsAnswer.test.ts b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ParsonsAnswerView/utils/spec/reconstructParsonsAnswer.test.ts
index 6998d0ee4..66b5c97bd 100644
--- a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ParsonsAnswerView/utils/spec/reconstructParsonsAnswer.test.ts
+++ b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ParsonsAnswerView/utils/spec/reconstructParsonsAnswer.test.ts
@@ -29,16 +29,45 @@ describe("reconstructParsonsAnswer", () => {
     );
   });
 
+  it("preserves source indentation when indentation changes are disabled", () => {
+    const noIndentSource =
+      '<pre class="parsonsblocks" data-noindent="true">first\n---\n  second</pre>';
+
+    expect(reconstructParsonsAnswer("0_4-1_0", noIndentSource)).toBe("first\n  second");
+  });
+
+  it("preserves blank lines inside a multi-line block", () => {
+    const sourceWithBlankLine = `<pre class="parsonsblocks">
+if ready:
+---
+    start()
+
+    finish()
+    </pre>`;
+
+    expect(reconstructParsonsAnswer("0_1_2_3_0", sourceWithBlankLine)).toBe(
+      "if ready:\n    start()\n\n    finish()"
+    );
+  });
+
   it("formats legacy plain-text answers without block separators", () => {
     expect(reconstructParsonsAnswer("def greet(name):\n---\n    if name:")).toBe(
       "def greet(name):\n    if name:"
     );
   });
 
+  it("normalizes legacy line endings and padded block separators", () => {
+    expect(reconstructParsonsAnswer("first\r\n \t--- \r\n  second\r")).toBe("first\n  second");
+  });
+
   it("returns null for a hash when its question source is unavailable", () => {
     expect(reconstructParsonsAnswer("0_0")).toBeNull();
   });
 
+  it("returns null when a hash references a missing source line", () => {
+    expect(reconstructParsonsAnswer("99_0", htmlsrc)).toBeNull();
+  });
+
   it.each([null, undefined])("treats a %s answer as empty", (answer) => {
     expect(reconstructParsonsAnswer(answer, htmlsrc)).toBe("");
   });

From 7b1055083ca5fa4f94aef1ad995d3f482cb2eb48 Mon Sep 17 00:00:00 2001
From: Andrey Morozov <mauk.lekph@gmail.com>
Date: Wed, 7 Oct 2026 19:12:00 +0200
Subject: [PATCH 3/5] f-1563 fix specs extension

---
 .../assignment_server_api/assignment_builder/.eslintrc.cjs      | 2 +-
 ...iveCodeAnswerView.test.tsx => ActiveCodeAnswerView.spec.tsx} | 0
 .../spec/{AnswerRenderer.test.tsx => AnswerRenderer.spec.tsx}   | 0
 ...iationAnswerView.test.tsx => AssociationAnswerView.spec.tsx} | 0
 ...ssociationAnswer.test.ts => formatAssociationAnswer.spec.ts} | 0
 ...AssociationLabels.test.ts => parseAssociationLabels.spec.ts} | 0
 .../{parseAssociations.test.ts => parseAssociations.spec.ts}    | 0
 .../spec/{parseJsonObject.test.ts => parseJsonObject.spec.ts}   | 0
 .../utils/spec/{textOnly.test.ts => textOnly.spec.ts}           | 0
 .../{CompactAnswerView.test.tsx => CompactAnswerView.spec.tsx}  | 0
 ...{formatCompactAnswer.test.ts => formatCompactAnswer.spec.ts} | 0
 .../{DefaultAnswerView.test.tsx => DefaultAnswerView.spec.tsx}  | 0
 .../spec/{FitbAnswerView.test.tsx => FitbAnswerView.spec.tsx}   | 0
 .../spec/{parseBlankValues.test.ts => parseBlankValues.spec.ts} | 0
 .../{IframeAnswerView.test.tsx => IframeAnswerView.spec.tsx}    | 0
 .../spec/{extractFrameSpec.test.ts => extractFrameSpec.spec.ts} | 0
 .../utils/spec/{formatState.test.ts => formatState.spec.ts}     | 0
 .../spec/{getSpliceWrapper.test.ts => getSpliceWrapper.spec.ts} | 0
 ...aitForSpliceWrapper.test.ts => waitForSpliceWrapper.spec.ts} | 0
 .../spec/{McqAnswerView.test.tsx => McqAnswerView.spec.tsx}     | 0
 .../{optionIndexToLabel.test.ts => optionIndexToLabel.spec.ts}  | 0
 ...arseSelectedOptions.test.ts => parseSelectedOptions.spec.ts} | 0
 .../{ParsonsAnswerView.test.tsx => ParsonsAnswerView.spec.tsx}  | 0
 ...xtractParsonsSource.test.ts => extractParsonsSource.spec.ts} | 0
 .../spec/{parseParsonsHash.test.ts => parseParsonsHash.spec.ts} | 0
 ...ctParsonsAnswer.test.ts => reconstructParsonsAnswer.spec.ts} | 0
 .../spec/{answerForRestore.test.ts => answerForRestore.spec.ts} | 0
 ...toreDataForAttempt.test.ts => restoreDataForAttempt.spec.ts} | 0
 .../{RunestonePreview.test.tsx => RunestonePreview.spec.tsx}    | 0
 .../spec/{ShortAnswerView.test.tsx => ShortAnswerView.spec.tsx} | 0
 30 files changed, 1 insertion(+), 1 deletion(-)
 rename bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ActiveCodeAnswerView/spec/{ActiveCodeAnswerView.test.tsx => ActiveCodeAnswerView.spec.tsx} (100%)
 rename bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/AnswerRenderer/spec/{AnswerRenderer.test.tsx => AnswerRenderer.spec.tsx} (100%)
 rename bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/AssociationAnswerView/spec/{AssociationAnswerView.test.tsx => AssociationAnswerView.spec.tsx} (100%)
 rename bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/AssociationAnswerView/utils/spec/{formatAssociationAnswer.test.ts => formatAssociationAnswer.spec.ts} (100%)
 rename bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/AssociationAnswerView/utils/spec/{parseAssociationLabels.test.ts => parseAssociationLabels.spec.ts} (100%)
 rename bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/AssociationAnswerView/utils/spec/{parseAssociations.test.ts => parseAssociations.spec.ts} (100%)
 rename bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/AssociationAnswerView/utils/spec/{parseJsonObject.test.ts => parseJsonObject.spec.ts} (100%)
 rename bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/AssociationAnswerView/utils/spec/{textOnly.test.ts => textOnly.spec.ts} (100%)
 rename bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/CompactAnswerView/spec/{CompactAnswerView.test.tsx => CompactAnswerView.spec.tsx} (100%)
 rename bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/CompactAnswerView/utils/spec/{formatCompactAnswer.test.ts => formatCompactAnswer.spec.ts} (100%)
 rename bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/DefaultAnswerView/spec/{DefaultAnswerView.test.tsx => DefaultAnswerView.spec.tsx} (100%)
 rename bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/FitbAnswerView/spec/{FitbAnswerView.test.tsx => FitbAnswerView.spec.tsx} (100%)
 rename bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/FitbAnswerView/utils/spec/{parseBlankValues.test.ts => parseBlankValues.spec.ts} (100%)
 rename bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/IframeAnswerView/spec/{IframeAnswerView.test.tsx => IframeAnswerView.spec.tsx} (100%)
 rename bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/IframeAnswerView/utils/spec/{extractFrameSpec.test.ts => extractFrameSpec.spec.ts} (100%)
 rename bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/IframeAnswerView/utils/spec/{formatState.test.ts => formatState.spec.ts} (100%)
 rename bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/IframeAnswerView/utils/spec/{getSpliceWrapper.test.ts => getSpliceWrapper.spec.ts} (100%)
 rename bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/IframeAnswerView/utils/spec/{waitForSpliceWrapper.test.ts => waitForSpliceWrapper.spec.ts} (100%)
 rename bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/McqAnswerView/spec/{McqAnswerView.test.tsx => McqAnswerView.spec.tsx} (100%)
 rename bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/McqAnswerView/utils/spec/{optionIndexToLabel.test.ts => optionIndexToLabel.spec.ts} (100%)
 rename bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/McqAnswerView/utils/spec/{parseSelectedOptions.test.ts => parseSelectedOptions.spec.ts} (100%)
 rename bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ParsonsAnswerView/spec/{ParsonsAnswerView.test.tsx => ParsonsAnswerView.spec.tsx} (100%)
 rename bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ParsonsAnswerView/utils/spec/{extractParsonsSource.test.ts => extractParsonsSource.spec.ts} (100%)
 rename bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ParsonsAnswerView/utils/spec/{parseParsonsHash.test.ts => parseParsonsHash.spec.ts} (100%)
 rename bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ParsonsAnswerView/utils/spec/{reconstructParsonsAnswer.test.ts => reconstructParsonsAnswer.spec.ts} (100%)
 rename bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/RunestoneGraderPreview/utils/spec/{answerForRestore.test.ts => answerForRestore.spec.ts} (100%)
 rename bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/RunestoneGraderPreview/utils/spec/{restoreDataForAttempt.test.ts => restoreDataForAttempt.spec.ts} (100%)
 rename bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/RunestonePreview/spec/{RunestonePreview.test.tsx => RunestonePreview.spec.tsx} (100%)
 rename bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ShortAnswerView/spec/{ShortAnswerView.test.tsx => ShortAnswerView.spec.tsx} (100%)

diff --git a/bases/rsptx/assignment_server_api/assignment_builder/.eslintrc.cjs b/bases/rsptx/assignment_server_api/assignment_builder/.eslintrc.cjs
index 0b59172af..760f23309 100644
--- a/bases/rsptx/assignment_server_api/assignment_builder/.eslintrc.cjs
+++ b/bases/rsptx/assignment_server_api/assignment_builder/.eslintrc.cjs
@@ -106,7 +106,7 @@ module.exports = {
   },
   overrides: [
     {
-      files: ["**/*.spec.ts", "**/*.spec.tsx", "**/*.test.ts", "**/*.test.tsx"],
+      files: ["**/*.spec.ts", "**/*.spec.tsx"],
       rules: {
         "@typescript-eslint/no-explicit-any": "off",
         "@typescript-eslint/no-unused-vars": "off"
diff --git a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ActiveCodeAnswerView/spec/ActiveCodeAnswerView.test.tsx b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ActiveCodeAnswerView/spec/ActiveCodeAnswerView.spec.tsx
similarity index 100%
rename from bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ActiveCodeAnswerView/spec/ActiveCodeAnswerView.test.tsx
rename to bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ActiveCodeAnswerView/spec/ActiveCodeAnswerView.spec.tsx
diff --git a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/AnswerRenderer/spec/AnswerRenderer.test.tsx b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/AnswerRenderer/spec/AnswerRenderer.spec.tsx
similarity index 100%
rename from bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/AnswerRenderer/spec/AnswerRenderer.test.tsx
rename to bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/AnswerRenderer/spec/AnswerRenderer.spec.tsx
diff --git a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/AssociationAnswerView/spec/AssociationAnswerView.test.tsx b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/AssociationAnswerView/spec/AssociationAnswerView.spec.tsx
similarity index 100%
rename from bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/AssociationAnswerView/spec/AssociationAnswerView.test.tsx
rename to bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/AssociationAnswerView/spec/AssociationAnswerView.spec.tsx
diff --git a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/AssociationAnswerView/utils/spec/formatAssociationAnswer.test.ts b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/AssociationAnswerView/utils/spec/formatAssociationAnswer.spec.ts
similarity index 100%
rename from bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/AssociationAnswerView/utils/spec/formatAssociationAnswer.test.ts
rename to bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/AssociationAnswerView/utils/spec/formatAssociationAnswer.spec.ts
diff --git a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/AssociationAnswerView/utils/spec/parseAssociationLabels.test.ts b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/AssociationAnswerView/utils/spec/parseAssociationLabels.spec.ts
similarity index 100%
rename from bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/AssociationAnswerView/utils/spec/parseAssociationLabels.test.ts
rename to bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/AssociationAnswerView/utils/spec/parseAssociationLabels.spec.ts
diff --git a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/AssociationAnswerView/utils/spec/parseAssociations.test.ts b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/AssociationAnswerView/utils/spec/parseAssociations.spec.ts
similarity index 100%
rename from bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/AssociationAnswerView/utils/spec/parseAssociations.test.ts
rename to bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/AssociationAnswerView/utils/spec/parseAssociations.spec.ts
diff --git a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/AssociationAnswerView/utils/spec/parseJsonObject.test.ts b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/AssociationAnswerView/utils/spec/parseJsonObject.spec.ts
similarity index 100%
rename from bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/AssociationAnswerView/utils/spec/parseJsonObject.test.ts
rename to bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/AssociationAnswerView/utils/spec/parseJsonObject.spec.ts
diff --git a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/AssociationAnswerView/utils/spec/textOnly.test.ts b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/AssociationAnswerView/utils/spec/textOnly.spec.ts
similarity index 100%
rename from bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/AssociationAnswerView/utils/spec/textOnly.test.ts
rename to bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/AssociationAnswerView/utils/spec/textOnly.spec.ts
diff --git a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/CompactAnswerView/spec/CompactAnswerView.test.tsx b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/CompactAnswerView/spec/CompactAnswerView.spec.tsx
similarity index 100%
rename from bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/CompactAnswerView/spec/CompactAnswerView.test.tsx
rename to bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/CompactAnswerView/spec/CompactAnswerView.spec.tsx
diff --git a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/CompactAnswerView/utils/spec/formatCompactAnswer.test.ts b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/CompactAnswerView/utils/spec/formatCompactAnswer.spec.ts
similarity index 100%
rename from bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/CompactAnswerView/utils/spec/formatCompactAnswer.test.ts
rename to bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/CompactAnswerView/utils/spec/formatCompactAnswer.spec.ts
diff --git a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/DefaultAnswerView/spec/DefaultAnswerView.test.tsx b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/DefaultAnswerView/spec/DefaultAnswerView.spec.tsx
similarity index 100%
rename from bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/DefaultAnswerView/spec/DefaultAnswerView.test.tsx
rename to bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/DefaultAnswerView/spec/DefaultAnswerView.spec.tsx
diff --git a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/FitbAnswerView/spec/FitbAnswerView.test.tsx b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/FitbAnswerView/spec/FitbAnswerView.spec.tsx
similarity index 100%
rename from bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/FitbAnswerView/spec/FitbAnswerView.test.tsx
rename to bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/FitbAnswerView/spec/FitbAnswerView.spec.tsx
diff --git a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/FitbAnswerView/utils/spec/parseBlankValues.test.ts b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/FitbAnswerView/utils/spec/parseBlankValues.spec.ts
similarity index 100%
rename from bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/FitbAnswerView/utils/spec/parseBlankValues.test.ts
rename to bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/FitbAnswerView/utils/spec/parseBlankValues.spec.ts
diff --git a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/IframeAnswerView/spec/IframeAnswerView.test.tsx b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/IframeAnswerView/spec/IframeAnswerView.spec.tsx
similarity index 100%
rename from bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/IframeAnswerView/spec/IframeAnswerView.test.tsx
rename to bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/IframeAnswerView/spec/IframeAnswerView.spec.tsx
diff --git a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/IframeAnswerView/utils/spec/extractFrameSpec.test.ts b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/IframeAnswerView/utils/spec/extractFrameSpec.spec.ts
similarity index 100%
rename from bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/IframeAnswerView/utils/spec/extractFrameSpec.test.ts
rename to bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/IframeAnswerView/utils/spec/extractFrameSpec.spec.ts
diff --git a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/IframeAnswerView/utils/spec/formatState.test.ts b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/IframeAnswerView/utils/spec/formatState.spec.ts
similarity index 100%
rename from bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/IframeAnswerView/utils/spec/formatState.test.ts
rename to bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/IframeAnswerView/utils/spec/formatState.spec.ts
diff --git a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/IframeAnswerView/utils/spec/getSpliceWrapper.test.ts b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/IframeAnswerView/utils/spec/getSpliceWrapper.spec.ts
similarity index 100%
rename from bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/IframeAnswerView/utils/spec/getSpliceWrapper.test.ts
rename to bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/IframeAnswerView/utils/spec/getSpliceWrapper.spec.ts
diff --git a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/IframeAnswerView/utils/spec/waitForSpliceWrapper.test.ts b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/IframeAnswerView/utils/spec/waitForSpliceWrapper.spec.ts
similarity index 100%
rename from bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/IframeAnswerView/utils/spec/waitForSpliceWrapper.test.ts
rename to bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/IframeAnswerView/utils/spec/waitForSpliceWrapper.spec.ts
diff --git a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/McqAnswerView/spec/McqAnswerView.test.tsx b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/McqAnswerView/spec/McqAnswerView.spec.tsx
similarity index 100%
rename from bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/McqAnswerView/spec/McqAnswerView.test.tsx
rename to bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/McqAnswerView/spec/McqAnswerView.spec.tsx
diff --git a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/McqAnswerView/utils/spec/optionIndexToLabel.test.ts b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/McqAnswerView/utils/spec/optionIndexToLabel.spec.ts
similarity index 100%
rename from bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/McqAnswerView/utils/spec/optionIndexToLabel.test.ts
rename to bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/McqAnswerView/utils/spec/optionIndexToLabel.spec.ts
diff --git a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/McqAnswerView/utils/spec/parseSelectedOptions.test.ts b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/McqAnswerView/utils/spec/parseSelectedOptions.spec.ts
similarity index 100%
rename from bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/McqAnswerView/utils/spec/parseSelectedOptions.test.ts
rename to bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/McqAnswerView/utils/spec/parseSelectedOptions.spec.ts
diff --git a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ParsonsAnswerView/spec/ParsonsAnswerView.test.tsx b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ParsonsAnswerView/spec/ParsonsAnswerView.spec.tsx
similarity index 100%
rename from bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ParsonsAnswerView/spec/ParsonsAnswerView.test.tsx
rename to bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ParsonsAnswerView/spec/ParsonsAnswerView.spec.tsx
diff --git a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ParsonsAnswerView/utils/spec/extractParsonsSource.test.ts b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ParsonsAnswerView/utils/spec/extractParsonsSource.spec.ts
similarity index 100%
rename from bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ParsonsAnswerView/utils/spec/extractParsonsSource.test.ts
rename to bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ParsonsAnswerView/utils/spec/extractParsonsSource.spec.ts
diff --git a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ParsonsAnswerView/utils/spec/parseParsonsHash.test.ts b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ParsonsAnswerView/utils/spec/parseParsonsHash.spec.ts
similarity index 100%
rename from bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ParsonsAnswerView/utils/spec/parseParsonsHash.test.ts
rename to bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ParsonsAnswerView/utils/spec/parseParsonsHash.spec.ts
diff --git a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ParsonsAnswerView/utils/spec/reconstructParsonsAnswer.test.ts b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ParsonsAnswerView/utils/spec/reconstructParsonsAnswer.spec.ts
similarity index 100%
rename from bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ParsonsAnswerView/utils/spec/reconstructParsonsAnswer.test.ts
rename to bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ParsonsAnswerView/utils/spec/reconstructParsonsAnswer.spec.ts
diff --git a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/RunestoneGraderPreview/utils/spec/answerForRestore.test.ts b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/RunestoneGraderPreview/utils/spec/answerForRestore.spec.ts
similarity index 100%
rename from bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/RunestoneGraderPreview/utils/spec/answerForRestore.test.ts
rename to bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/RunestoneGraderPreview/utils/spec/answerForRestore.spec.ts
diff --git a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/RunestoneGraderPreview/utils/spec/restoreDataForAttempt.test.ts b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/RunestoneGraderPreview/utils/spec/restoreDataForAttempt.spec.ts
similarity index 100%
rename from bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/RunestoneGraderPreview/utils/spec/restoreDataForAttempt.test.ts
rename to bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/RunestoneGraderPreview/utils/spec/restoreDataForAttempt.spec.ts
diff --git a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/RunestonePreview/spec/RunestonePreview.test.tsx b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/RunestonePreview/spec/RunestonePreview.spec.tsx
similarity index 100%
rename from bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/RunestonePreview/spec/RunestonePreview.test.tsx
rename to bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/RunestonePreview/spec/RunestonePreview.spec.tsx
diff --git a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ShortAnswerView/spec/ShortAnswerView.test.tsx b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ShortAnswerView/spec/ShortAnswerView.spec.tsx
similarity index 100%
rename from bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ShortAnswerView/spec/ShortAnswerView.test.tsx
rename to bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ShortAnswerView/spec/ShortAnswerView.spec.tsx

From e78a28f827598ec23deaf797ea8fadb71a6a5412 Mon Sep 17 00:00:00 2001
From: Andrey Morozov <mauk.lekph@gmail.com>
Date: Wed, 7 Oct 2026 19:19:15 +0200
Subject: [PATCH 4/5] f-1563 return config

---
 .../assignment_builder/vitest.config.ts             | 10 +++++-----
 .../assignment_builder/vitest.setup.ts              | 13 ++++++++++---
 2 files changed, 15 insertions(+), 8 deletions(-)

diff --git a/bases/rsptx/assignment_server_api/assignment_builder/vitest.config.ts b/bases/rsptx/assignment_server_api/assignment_builder/vitest.config.ts
index d0b92f968..63973fc1a 100755
--- a/bases/rsptx/assignment_server_api/assignment_builder/vitest.config.ts
+++ b/bases/rsptx/assignment_server_api/assignment_builder/vitest.config.ts
@@ -1,20 +1,20 @@
 import react from "@vitejs/plugin-react";
-import { fileURLToPath } from "node:url";
 import { defineConfig as viteDefineConfig } from "vite";
+import checker from "vite-plugin-checker";
 import commonjs from "vite-plugin-commonjs";
 import viteTsconfig from "vite-tsconfig-paths";
 import { defineConfig, mergeConfig } from "vitest/config";
 
 import svgTransformFile from "./scripts/svgTransformFile";
 
-const projectRoot = fileURLToPath(new URL(".", import.meta.url));
-
 export default mergeConfig(
   viteDefineConfig({
     base: "/",
-    root: projectRoot,
     plugins: [
       viteTsconfig(),
+      checker({
+        typescript: true
+      }),
       {
         name: "transform-svg",
         transform(_, fileName) {
@@ -29,7 +29,7 @@ export default mergeConfig(
     test: {
       globals: true,
       environment: "jsdom",
-      setupFiles: fileURLToPath(new URL("./vitest.setup.ts", import.meta.url)),
+      setupFiles: "vitest.setup.ts",
       testTimeout: 10000,
       hookTimeout: 10000,
       include: ["src/**/*.spec.*", "src/**/*.test.*"],
diff --git a/bases/rsptx/assignment_server_api/assignment_builder/vitest.setup.ts b/bases/rsptx/assignment_server_api/assignment_builder/vitest.setup.ts
index 7626bfead..1962a60dd 100755
--- a/bases/rsptx/assignment_server_api/assignment_builder/vitest.setup.ts
+++ b/bases/rsptx/assignment_server_api/assignment_builder/vitest.setup.ts
@@ -1,5 +1,7 @@
 import "@testing-library/jest-dom";
 
+import { JSDOM } from "jsdom";
+
 /**
  * Provide Web Storage when the runtime does not.
  *
@@ -17,23 +19,26 @@ import "@testing-library/jest-dom";
  * check, because the brand is carried by the jsdom module rather than by the
  * individual window.
  *
- * Reading the storage from jsdom's `window` preserves the genuine `Storage`
- * implementation while replacing only Node's conflicting global accessor.
+ * A fresh JSDOM per setup run means each test file starts with empty storage.
  * Remove this once vitest populates the jsdom value over Node's.
  */
 const installStorage = () => {
   const missing = (["localStorage", "sessionStorage"] as const).filter(
     (name) => typeof (globalThis as Record<string, unknown>)[name] === "undefined"
   );
+
   if (missing.length === 0) {
     return;
   }
 
+  // Storage needs a non-opaque origin, hence the explicit url.
+  const donor = new JSDOM("", { url: "http://localhost/" }).window;
+
   for (const name of missing) {
     Object.defineProperty(globalThis, name, {
       configurable: true,
       writable: true,
-      value: window[name]
+      value: donor[name]
     });
   }
 };
@@ -58,7 +63,9 @@ if (typeof window !== "undefined") {
   if (!("ResizeObserver" in window)) {
     class ResizeObserverMock {
       observe() {}
+
       unobserve() {}
+
       disconnect() {}
     }
     (window as unknown as { ResizeObserver: unknown }).ResizeObserver = ResizeObserverMock;

From 290bb7cf04c43ec56768b1cdcd155221d8d8fc1f Mon Sep 17 00:00:00 2001
From: Andrey Morozov <mauk.lekph@gmail.com>
Date: Fri, 9 Oct 2026 21:58:18 +0200
Subject: [PATCH 5/5] f-1563 fix lint

---
 .../ParsonsAnswerView/utils/spec/extractParsonsSource.spec.ts | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ParsonsAnswerView/utils/spec/extractParsonsSource.spec.ts b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ParsonsAnswerView/utils/spec/extractParsonsSource.spec.ts
index 538f50698..82fc3c3db 100644
--- a/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ParsonsAnswerView/utils/spec/extractParsonsSource.spec.ts
+++ b/bases/rsptx/assignment_server_api/assignment_builder/src/components/routes/Grader/components/questionTypes/ParsonsAnswerView/utils/spec/extractParsonsSource.spec.ts
@@ -53,7 +53,9 @@ if left &lt; right:
   });
 
   it("recognizes tabs as the indentation unit", () => {
-    expect(extractParsonsSource('<pre class="parsonsblocks">first\n---\n\tsecond</pre>')).toMatchObject({
+    expect(
+      extractParsonsSource('<pre class="parsonsblocks">first\n---\n\tsecond</pre>')
+    ).toMatchObject({
       indentUnit: "\t"
     });
   });