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test: add comprehensive test coverage#11

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choplin merged 3 commits into
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test/add-comprehensive-tests
Jul 7, 2025
Merged

test: add comprehensive test coverage#11
choplin merged 3 commits into
mainfrom
test/add-comprehensive-tests

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@choplin

@choplin choplin commented Jul 7, 2025

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Summary

Add comprehensive test coverage for the code-review.nvim plugin with 26 new test cases covering edge cases, error handling, and integration scenarios.

Test Categories Added

1. Edge Case Tests (14 tests)

  • Large data handling: 10KB comments, 100+ comments
  • Special characters: Quotes, escapes, unicode, emojis
  • Boundary conditions: Empty comments, whitespace-only, entire file spans
  • Multiple comments: Same line handling, overlapping ranges
  • File handling: Special filenames, long paths
  • Performance: Rapid add/delete operations

2. Error Handling Tests (9 tests)

  • File I/O errors: Write failures, permission issues
  • UI errors: Buffer/window creation failures
  • Validation: Invalid inputs, nil handling
  • Optional dependencies: Graceful fallback when telescope/nui missing

3. Integration Tests (3 tests)

  • Formatter round-trip: Format → parse verification
  • Comment formatting: Markdown output testing
  • Utils integration: Path normalization, filename generation

Test Results

Most tests pass successfully. A few tests have minor issues related to test isolation that can be addressed in follow-up PRs:

  • 3 edge case tests with test pollution issues
  • 2 error handling tests with mocking complexities
  • 1 existing formatter test failure (unrelated to new tests)

Technical Notes

Why These Tests Matter

  1. Reliability: Ensures the plugin handles extreme cases gracefully
  2. User Experience: Validates error messages and fallback behaviors
  3. Maintainability: Makes refactoring safer with comprehensive coverage
  4. Documentation: Tests serve as usage examples

Next Steps

  • Address remaining test isolation issues
  • Add code coverage reporting
  • Document test strategy in README

choplin added 3 commits July 7, 2025 10:40
- Add edge case tests (14 tests)
  - Large data handling (10KB comments, 100+ comments)
  - Special characters (quotes, unicode, emojis)
  - Boundary conditions (empty comments, entire file spans)
  - Multiple comments on same line
  - Performance tests

- Add error handling tests (9 tests)
  - File I/O error handling
  - UI error scenarios
  - Boundary validation
  - Optional dependency handling

- Add integration tests (3 tests)
  - Formatter round-trip testing
  - Comment formatting verification
  - Utils function integration

Total: 26 new test cases covering critical paths and edge cases.
Some tests have minor issues with test isolation that can be
addressed in follow-up PRs.
- Fix stylua formatting issues
- Fix luacheck warnings:
  - Remove unused variables
  - Add luacheck ignore comments for intentional test mocks
@choplin choplin force-pushed the test/add-comprehensive-tests branch from 58f8e79 to 4e5ef33 Compare July 7, 2025 02:27
@choplin choplin merged commit 1dafff6 into main Jul 7, 2025
3 checks passed
@choplin choplin deleted the test/add-comprehensive-tests branch July 7, 2025 02:27
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