Add quiet mode to test suite and remove verbose package banners

[lwJi]

Summary

• Add --quiet/-q flag to run_tests.sh that shows only checkmark on success or failure messages on error
• Add -quiet flag to AllTests.wl with the same behavior
• Remove verbose package loading banners from all src/*.wl modules
• Remove "Loading/completed" print statements from unit test files
• Update documentation in AGENTS.md, CLAUDE.md, and README.md

Test plan

• Run ./test/run_tests.sh to verify normal verbose mode still works
• Run ./test/run_tests.sh --quiet to verify quiet mode shows only checkmark on success
• Run wolframscript -script test/AllTests.wl for verbose output
• Run wolframscript -script test/AllTests.wl -quiet for quiet output
• Verify failure cases show appropriate error messages in quiet mode

[claude]

Pull Request Review

Summary

This PR adds quiet mode functionality to the test suite and removes verbose package loading banners. The implementation is well-executed with good attention to detail. Overall, this is a solid contribution that improves the developer experience.

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Strengths

1. Excellent Code Quality

• Consistent implementation across both Bash and Wolfram Language
• Clean separation of concerns with the QPrint conditional printing abstraction
• Proper error handling and exit codes maintained in quiet mode

2. Good Design Decisions

• QPrint function provides a clean abstraction for conditional output
• $FailureMessages collection allows aggregating failures before printing
• Quiet mode properly propagates through the call hierarchy
• Unicode checkmark/cross provides clear visual feedback

3. Comprehensive Coverage

• Removed verbose banners from all 8 source modules consistently
• Cleaned up all 7 unit test files
• Updated documentation in 3 locations
• Both test runners support quiet mode

4. Documentation

• Clear usage examples in updated docs
• Helpful comments in the code
• Good help text in run_tests.sh

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Issues Found

1. Bug: Incomplete Failure Capture in run_tests.sh (MODERATE)

Location: test/run_tests.sh:224

The grep pattern only captures FAIL or FAILED, but misses ERROR, REGRESSION DETECTED, and SKIP warnings.

Recommendation: Use grep -E "(FAIL|FAILED|ERROR|REGRESSION)"

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2. Code Smell: Print Suppression via Block (MINOR)

Location: test/AllTests.wl:42

Globally suppressing Print could hide unexpected errors from Get[file]. Since you removed the Loading/completed messages, this Block might be unnecessary.

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3. Missing Edge Case: Unit Test Failures in Quiet Mode (MINOR)

Location: test/AllTests.wl:53-57

Unit test failures from TestReport are not captured or displayed in quiet mode. Consider adding AppendFailure for failed unit tests.

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4. Shell Injection Validation Issue (LOW PRIORITY)

Location: test/AllTests.wl:75

The validation regex allows periods and slashes which could enable directory traversal. Risk is very low since input comes from test_cases.txt in the repo.

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Minor Suggestions

5. Inconsistent Quiet Mode Flag

• Bash: --quiet or -q
• Wolfram: -quiet (single dash)

Worth documenting explicitly in help text.

6. Documentation: Consider Adding Example Output

Showing before/after output would be helpful for users.

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Security Assessment

No security concerns. Changes are cosmetic with proper validation.

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Test Coverage

Excellent coverage of quiet mode. Missing: Unit test for quiet mode with failing tests.

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Overall Assessment

Rating: Approve with minor suggestions

This is a well-implemented feature. Issues found are minor and the PR can be merged as-is.

Priority Recommendations:

1. Fix grep pattern to capture ERROR messages
2. Add unit test failure capture in quiet mode
3. Consider removing Block[{Print}]

Breaking Changes: None - fully backward compatible
Performance: Negligible impact

Great work! This will make CI/CD logs much cleaner.