test(e2e): add golden file tests for Markdown formatter variants#100
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gregpriday merged 1 commit intoFeb 26, 2026
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- Add tests/e2e/markdown-formatter.test.js with 9 test cases covering all supported Markdown output modes and flag combinations - Test base markdown output, --with-line-numbers, --only-tree, --with-git-status, combined flags, and --show-size - Add fence language detection test verifying correct syntax highlighting tags for js, css, json, yaml, python, go, rust, bash, txt extensions - Add begin/end marker placement test with interleaving order validation - Generate 8 golden files in tests/fixtures/goldens/markdown/ covering all variants for regression detection - Follow existing E2E patterns from output-formats.test.js and flags-and-combos.test.js for consistency
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feature/issue-20-add-golden-file-tests-markdown
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Summary
Adds a dedicated E2E golden file test suite for the
MarkdownFormatter, pinning its output contract across all supported modes and flag combinations. Tests are deterministic across platforms and catch formatting regressions automatically.Closes #20
Changes Made
tests/e2e/markdown-formatter.test.jswith 9 test cases:--with-line-numberswith format-specific line number assertions--only-treeverifying the## Filessection is suppressed--with-git-statuswith front-matter flag validation--with-line-numbers --with-git-status--only-tree --with-git-status--show-size(no-op for Markdown, explicitly asserted)tests/fixtures/goldens/markdown/covering all variantsoutput-formats.test.jsandflags-and-combos.test.js