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Coverage
Reference measurements and coverage-floor rationale for Coral workspaces.
| Record | Purpose |
|---|---|
| Baseline | Preserve comparable package measurements and their enforcement boundary |
Every package sets coverage.all: true and an explicit coverage.include, so these numbers describe all source files. Figures reported before 0.2.2 counted only files a test happened to import and were not comparable — @coral-viz/mcp-server in particular reported 81% while describing two of its eight source files.
Baseline at the start of 0.2.2 (92dc769)
| Package | Statements | Branches | Functions | Lines |
|---|---|---|---|---|
@coral-viz/language | 88.47% | 79.44% | 96.29% | 92.94% |
@coral-viz/viz | 69.97% | 54.35% | 67.19% | 70.63% |
@coral-viz/diagram-editor | 52.72% | 54.31% | 44.93% | 53.51% |
@coral-viz/mcp-server | 5.22% | 8.39% | 10.58% | 5.45% |
Latest recorded measurements
Slice 40 implementation on 2026-09-10 refreshed diagram-editor after live shell-state extraction; the other rows retain their most recent accepted measurements. The supporting historical records are dev/archive/releases/0.2.4/status/slice-40.md and dev/archive/releases/0.2.4/status/slice-c20.md in the repository.
| Package | Statements | Branches | Functions | Lines |
|---|---|---|---|---|
@coral-viz/language | 90.40% | 82.91% | 95.87% | 94.17% |
@coral-viz/render | 96.31% | 80.53% | 96.49% | 95.96% |
@coral-viz/viz | 87.42% | 79.11% | 88.53% | 88.31% |
@coral-viz/diagram-editor | 88.13% | 80.77% | 84.98% | 89.84% |
@coral-viz/mcp-server | 92.63% | 82.13% | 95.29% | 92.23% |
The release target
80% statements, lines and functions and 75% branches, for @coral-viz/viz, @coral-viz/mcp-server, and @coral-viz/diagram-editor. The two published packages have enforced the target since 0.2.3. Slice 35 adds the private editor after removing superseded code; thresholds live in each package's Vitest configuration and npm run test:coverage:gate runs them in CI.
Getting there was more work than the target implied. @coral-viz/mcp-server began at 5.22%; retiring the forked renderer and the duplicate converter removed roughly 800 untested lines, but explain.ts (473 lines) and generate.ts (282 lines) were untested and were not covered by any planned deletion, so they needed tests written rather than code removed. @coral-viz/viz began at 69.97% with eight components in its public surface sitting between 4% and 20% — CoralEditor, SplitEditor, TextEditor, FileControls, LayoutControls, SettingsPanel, FontSettingsForm and the legacy node set.
@coral-viz/language and @coral-viz/render comfortably exceed the target but are not gated, because the target was written for the two packages above. @coral-viz/diagram-editor is not published. Its pre-Slice-35 measurement was 84.03% statements, 78.13% branches, 79.32% functions, and 85.48% lines at 5ecc2b9; removing unreachable production owners is expected to lift the one remaining metric without adding tests for dead behavior. If it does not, Slice 35 adds focused tests for live behavior rather than lowering or excluding the target. Slice 40 retains the package gate and enforces the same floor per file for useEditorController.ts and editorRevision.ts.