HTML Report: source link + code snippet on Source tab (#5993) by thomhurst · Pull Request #6100 · thomhurst/TUnit (original) (raw)
Closes #5993. The HTML report's Source tab only showed path:line. When running in GitHub Actions it now also renders a "Jump to source" link and a lazily-fetched code snippet of the test method.
- Snippet is fetched client-side from raw.githubusercontent.com (or the Enterprise raw URL) on Source-tab activation and cached per file, so no source is embedded in the HTML (keeps file size small).
- Source-gen mode supplies an exact method end line (Roslyn span), giving a full-method snippet; reflection mode has no end line, so the client falls back to a fixed window from the declaration line. No source is parsed or read from disk at discovery time.
- Features degrade gracefully: hidden outside GitHub Actions, "Source unavailable" on fetch failure (e.g. private repos).
Shared GitHubSourceLink.ToRepoRelativePath helper extracted from GitHubReporter so both reporters strip workspace-relative paths the same way. CI context (repo/sha/workspace/serverUrl) is read once per report build.
Also fixes a pre-existing off-by-one: GitHubReporter source links added +1 to an already-1-based line number, pointing one line below the test.
[![claude[bot]](https://avatars.githubusercontent.com/in/1236702?s=60&v=4)
…ppet
- ToRepoRelativePath now normalizes the workspace param internally (slashes + trailing slash) so callers no longer carry that hidden contract.
- Source snippet JS strips a leading UTF-8 BOM and splits on /\r?\n/ so Windows-authored files do not render a stray glyph or trailing \r per line.
- Add regression test for an un-normalized (backslash) workspace.
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Prevent GITHUB_REPOSITORY/GITHUB_SHA leaking into subsequent tests.
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Detect the CI provider (GitHub, GitLab, Bitbucket) in C# and emit pre-substituted URL templates into the report; the client only fills {path}/{line}/{start}/{end}, so there is zero provider-specific JS and the report shrinks. Inline snippets are enabled only where the raw endpoint allows cross-origin fetch (GitHub.com, Bitbucket Cloud); GitLab and GitHub Enterprise are link-only. Never default an unknown server to github.com.
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Quality cleanup, no behavior change: rename GitHubSourceLink -> SourcePathResolver (now provider-agnostic), drop redundant workspace normalization at call sites (ToRepoRelativePath already normalizes), and switch the source-tab JS from string concatenation to template literals.
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This was referenced
Jun 12, 2026
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