Add opt-in binary string diff support#301
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@jas14 I wanted to follow up on my PR to see if there’s anything I should address or if you haven’t had the chance to review it yet. No worries either way. |
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Hi @gschlager , I haven't forgotten about this, but haven't had the chance to review yet. Apologies for the delay! |
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Hey @gschlager , thank you for your contribution and for your patience! I finally had some time to give this PR the time it deserves.
In general, looks excellent. Back to you with a question about the OperationTree prepend and a request to remove the OperationTreeBuilder prepend.
P.S. don't forget to add an entry to the CHANGELOG! 😉
Add a `SuperDiff::BinaryString` extension that renders `ASCII-8BIT` strings as hex dumps. Users opt-in by requiring the module: ``` require 'super_diff/binary_string' ``` Includes a dedicated differ, inspection tree builder, operation tree builder/tree/flattener, and updates SuperDiff::RSpec::Differ to allow diffs for binary strings (skipping the single-line string short- circuit). Hex dumps use 16 bytes per line with offset, hex pairs, and ASCII representation (xxd-style output).
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- Drop redundant should_compare? override; the MultilineString superclass already returns false as of splitwise#304. - Stop registering OperationTreeBuilders::BinaryString and OperationTrees::BinaryString as extras. Binary strings nested in collections now render via the BinaryString inspection tree builder (e.g. `<binary string (32 bytes)>`) instead of producing inline hex dumps, and have_attributes no longer risks picking up the binary operation tree for a binary-string actual. Top-level binary diffs keep working because Differs::BinaryString references the builder directly. - Add CHANGELOG entry.
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- Drop redundant should_compare? override; the MultilineString superclass already returns false as of splitwise#304. - Stop registering OperationTreeBuilders::BinaryString and OperationTrees::BinaryString as extras. Binary strings nested in collections now render via the BinaryString inspection tree builder (e.g. `<binary string (32 bytes)>`) instead of producing inline hex dumps, and have_attributes no longer risks picking up the binary operation tree for a binary-string actual. Top-level binary diffs keep working because Differs::BinaryString references the builder directly. - Add CHANGELOG entry.
gschlager
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Apr 18, 2026
- Drop redundant should_compare? override; the MultilineString superclass already returns false as of splitwise#304. - Stop registering OperationTreeBuilders::BinaryString and OperationTrees::BinaryString as extras. Binary strings nested in collections now render via the BinaryString inspection tree builder (e.g. `<binary string (32 bytes)>`) instead of producing inline hex dumps, and have_attributes no longer risks picking up the binary operation tree for a binary-string actual. Top-level binary diffs keep working because Differs::BinaryString references the builder directly. - Add CHANGELOG entry.
- Drop redundant should_compare? override; the MultilineString superclass already returns false. - Stop registering OperationTreeBuilders::BinaryString and OperationTrees::BinaryString as extras. Binary strings nested in collections now render via the BinaryString inspection tree builder (e.g. `<binary string (32 bytes)>`) instead of producing inline hex dumps, and have_attributes no longer risks picking up the binary operation tree for a binary-string actual. Top-level binary diffs keep working because Differs::BinaryString references the builder directly. - Add CHANGELOG entry.
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Depends on #300
Add a
SuperDiff::BinaryStringextension that rendersASCII-8BITstrings as hex dumps. Users opt-in by requiring the module:Includes a dedicated differ, inspection tree builder, operation tree builder/tree/flattener, and updates SuperDiff::RSpec::Differ to allow diffs for binary strings (skipping the single-line string short-
circuit).
Hex dumps use 16 bytes per line with offset, hex pairs, and ASCII representation (xxd-style output).