feat(tagxl): verify mixed getter and setter TLV dialects by niko-kriznik-globtim · Pull Request #208 · truvami/decoder

niko-kriznik-globtim · 2026-09-14T09:25:14Z

Summary

Add dialect-aware Tag XL and Smart Label v2 TLV verification so mixed GETTER/SETTER campaign payloads can complete automatically.
SETTERs require the mapped response tag and semantic value; GETTERs require a well-formed response tag only. Setter equality wins when both map to the same tag.
Export ValidateConfiguration and BuildCurrentConfigurationRequest so the API can reject unverifiable launches and send getter-only readback probes.

Closes #207

Tagged as v1.6.0-rc1 for the API follow-up.

Dependencies

API follow-up: https://github.com/truvami/api/issues/1017 / https://github.com/truvami/api/pull/1020
Docs: https://github.com/truvami/docs-v2/issues/39 / https://github.com/truvami/docs-v2/pull/40
Dashboard copy: https://github.com/truvami/dashboard/issues/1025 / https://github.com/truvami/dashboard/pull/1026

No protos, common, or Pulse changes. This is the protocol contract those follow-ups consume.

Test plan

Summary by CodeRabbit

New Features
- Added support for comparing configurations across TagXL and SmartLabel V2 dialects.
- Added validation for sent configurations, including size and value checks.
- Added requests for reading current device configuration.
- Added dialect-specific command mapping, response handling, and comparison behavior.
Bug Fixes
- Improved handling of incomplete, mismatched, duplicate, and unsupported configuration commands.
- Added clearer handling for invalid or unspecified dialects.
- Improved validation of heartbeat, advertisement, movement, and acceleration settings.

Campaigns can mix GETTER and SETTER commands. Compare only setter values, treat getters as presence checks, and build getter-only readback envelopes for Tag XL and Smart Label v2.

niko-kriznik-globtim · 2026-09-14T09:25:18Z

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📥 Commits

Reviewing files that changed from the base of the PR and between 8b0ffa8 and 5720cea.

📒 Files selected for processing (4)

pkg/decoder/tagxl/v1/configuration_dialect.go
pkg/decoder/tagxl/v1/configuration_match.go
pkg/decoder/tagxl/v1/configuration_match_test.go
pkg/decoder/tagxl/v1/port151.go

💤 Files with no reviewable changes (1)

pkg/decoder/tagxl/v1/port151.go

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📝 Walkthrough

Walkthrough

The decoder adds separate TagXL and SmartLabel V2 command maps. It supports dialect-aware validation, mixed getter/setter comparison, masked and prefixed values, response limits, and getter-only readback request construction.

Changes

Configuration verification

Layer / File(s)	Summary
Dialect definitions and command maps `pkg/decoder/tagxl/v1/configuration_dialect.go`	Adds `ConfigurationDialect`, per-dialect command specifications, TagXL validation callbacks, command maps, limits, and dialect selection.
Dialect-aware matching and readback `pkg/decoder/tagxl/v1/configuration_match.go`, `pkg/decoder/tagxl/v1/port151.go`	Updates parsing and comparison to track getter and setter requirements, validate dialect-specific values and limits, compare masks and prefixes, preserve requirement order, and build getter-only readback requests. Removes the derived comparable TLV map.
Dialect behavior validation `pkg/decoder/tagxl/v1/configuration_match_test.go`	Adds coverage for both dialects, mixed profiles, duplicate and unsupported commands, malformed input, validation, limits, readback construction, string conversion, and command matrices.

Priority: ➖ Normal

Estimated code review effort: 4 (Complex) | ~45 minutes

Change: Feature · Severity of issue fixed: Medium

Sequence Diagram(s)

sequenceDiagram
  participant DecoderCaller
  participant CompareConfigurationFor
  participant ConfigurationDialect
  participant ObservedReport
  DecoderCaller->>CompareConfigurationFor: send dialect and configuration payload
  CompareConfigurationFor->>ConfigurationDialect: resolve command specifications
  CompareConfigurationFor->>ConfigurationDialect: parse and validate sent TLVs
  ObservedReport->>CompareConfigurationFor: provide observed response TLVs
  CompareConfigurationFor->>ConfigurationDialect: validate and compare required responses
  CompareConfigurationFor-->>DecoderCaller: return match, incomplete, or mismatch

Merge Risk: ⚪ Minimal · up to 5720c

No concrete current-head issue remains that should block merging.

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 17.86% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 28 functions across 3 files.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Linked Issues check	✅ Passed	PR `#207` coding requirements are supported by the supplied whole-PR summary and prior assessment. The implementation adds separate Tag XL and Smart Label v2 dialect specifications, setter/getter mappin…
Out of Scope Changes check	✅ Passed	The supplied change summary shows production changes only in the configuration dialect and matching implementation, plus related tests and removal of the obsolete comparable-tag map. These changes dir…
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly describes the main change: dialect-aware verification for mixed getter and setter TLV payloads in TagXL. It is concise and related to the pull request objectives.

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Commit unit tests in branch feat/tagxl-mixed-configuration-match

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coderabbitai · 2026-09-14T09:25:26Z

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codecov-commenter · 2026-09-14T09:27:48Z

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Codecov Report

❌ Patch coverage is 89.77273% with 18 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
pkg/decoder/tagxl/v1/configuration_match.go	88.61%	8 Missing and 6 partials ⚠️
pkg/decoder/tagxl/v1/configuration_dialect.go	92.45%	2 Missing and 2 partials ⚠️
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Files with missing lines	Coverage Δ
pkg/decoder/tagxl/v1/port151.go	`90.84% <ø> (-3.04%)`	⬇️
pkg/decoder/tagxl/v1/configuration_dialect.go	`92.45% <92.45%> (ø)`
pkg/decoder/tagxl/v1/configuration_match.go	`88.37% <88.61%> (+0.05%)`	⬆️

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niko-kriznik-globtim · 2026-09-14T10:06:54Z

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Exercise every supported setter and getter so the dialect matrix cannot drift from the firmware command list.

niko-kriznik-globtim · 2026-09-14T10:21:09Z

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niko-kriznik-globtim · 2026-09-14T10:41:27Z

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niko-kriznik-globtim · 2026-09-15T08:24:11Z

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coderabbitai · 2026-09-15T08:24:16Z

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Inline comments:
In `@pkg/decoder/tagxl/v1/configuration_dialect.go`:
- Around line 78-97: The configuration tests need a regression case comparing
the seven overlapping entries in tagXLDialect with port151PayloadConfig().Tags.
Add a test that locates each corresponding setterSpec and asserts matching
getterTag-to-tlvTag, setterLen-to-valueLen, and responseLen values, while
allowing tagXLDialect’s additional commands.

In `@pkg/decoder/tagxl/v1/configuration_match.go`:
- Line 214: Update the data-rate validation guard in CompareConfigurationFor so
range checking runs whenever requirement.spec.dataRate is true and a response
value is present, including getter-only requirements with wantValue == nil.
Preserve the existing configurationMaxDataRate boundary and avoid requiring
wantValue for this validation.
- Around line 157-159: Declare a distinct errConfigurationTooManyCommands error
alongside the existing configuration errors, then update
parseConfigurationSent’s commandCount limit check to return it when commandCount
exceeds spec.limits.maxCommands; leave errConfigurationTooLarge for
response-size overflow.

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📒 Files selected for processing (4)

pkg/decoder/tagxl/v1/configuration_dialect.go
pkg/decoder/tagxl/v1/configuration_match.go
pkg/decoder/tagxl/v1/configuration_match_test.go
pkg/decoder/tagxl/v1/port151.go

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pkg/decoder/tagxl/v1/port151.go

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niko-kriznik-globtim · 2026-09-15T08:59:27Z

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niko-kriznik-globtim · 2026-09-15T10:27:16Z

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feat(tagxl): verify mixed getter and setter TLV dialects

494c16c

Campaigns can mix GETTER and SETTER commands. Compare only setter values, treat getters as presence checks, and build getter-only readback envelopes for Tag XL and Smart Label v2.

coderabbitai Bot previously approved these changes Sep 14, 2026

View reviewed changes

test(tagxl): cover remaining Smart Label v2 command mappings

7fe6add

Exercise every supported setter and getter so the dialect matrix cannot drift from the firmware command list.

niko-kriznik-globtim dismissed coderabbitai[bot]’s stale review via 7fe6add September 14, 2026 10:19

coderabbitai Bot requested changes Sep 15, 2026

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Comment thread pkg/decoder/tagxl/v1/configuration_dialect.go

Comment thread pkg/decoder/tagxl/v1/configuration_match.go Outdated

Comment thread pkg/decoder/tagxl/v1/configuration_match.go Outdated

fix(tagxl): reject invalid getter data rates

d54a974

fix(tagxl): reject out-of-range interval and acceleration setters

5720cea

coderabbitai Bot approved these changes Sep 15, 2026

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niko-kriznik-globtim marked this pull request as ready for review September 15, 2026 12:15

niko-kriznik-globtim requested a review from michaelbeutler September 15, 2026 12:15

michaelbeutler requested a review from simylein September 15, 2026 13:35

This was referenced Sep 16, 2026

fix(tagxl): classify supported configuration actions #210

Merged

fix(tagxl/v1): configuration comparison rejects action TLVs (0x81-0x84) #209

Closed

michaelbeutler merged commit f9c19c2 into main Sep 16, 2026
8 checks passed

niko-kriznik-globtim mentioned this pull request Sep 16, 2026

fix(tagxl): classify supported configuration actions #211

Merged

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Summary

Dependencies

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Walkthrough

Changes

Sequence Diagram(s)

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