Mark
5530292270
Per debug session webm-playback-freeze "Activation Plan" step 4: the
D-09..D-11 ring-buffer semantics (first-chunk header pin + 30 s age trim)
are being replaced by D-13 restart-segments. The pinned-header assertions
were architecture-specific and become meaningless once each segment is
a self-contained WebM with its own EBML header and seed keyframe.
Changes:
- tests/offscreen/ring-buffer.test.ts: collapsed to a single breadcrumb
test pointing at the successor file. Kept the path so git history /
failure bisects land on the retirement commit cleanly.
- tests/offscreen/segment-rotation.test.ts (new): 8 tests pinning the
D-13 invariants against the production recorder module:
* MAX_SEGMENTS = 3, SEGMENT_DURATION_MS = 10_000 (= legacy 30 s window)
* empty-by-default, ordered, oldest-evicted-at-cap
* resetBuffer clears
* getSegments returns a defensive snapshot (no internal aliasing)
Uses a `pushSegmentForTest` seam so vitest can drive rotation
deterministically without instantiating a real MediaRecorder.
RED today by design (TDD discipline) — the segment-rotation suite
imports `getSegments`, `pushSegmentForTest`, `MAX_SEGMENTS`,
`SEGMENT_DURATION_MS` from src/offscreen/recorder.ts. Those exports
land in the next commit. tsconfig.include is "src" only so tsc stays
clean during the RED window.
30 lines
1.4 KiB
TypeScript
30 lines
1.4 KiB
TypeScript
// tests/offscreen/ring-buffer.test.ts — vestigial entry point.
|
|
//
|
|
// Under D-09..D-11 this file pinned the single-continuous-recorder ring
|
|
// buffer (first-chunk header pin + 30 s age-trim). Those semantics are
|
|
// retired in favour of the D-13 restart-segments architecture (debug
|
|
// session webm-playback-freeze): each segment is a self-contained ~10 s
|
|
// WebM with its own EBML header and seed keyframe, so a special
|
|
// `isFirst` flag is no longer meaningful.
|
|
//
|
|
// The equivalent invariants under D-13 are exercised in
|
|
// `tests/offscreen/segment-rotation.test.ts`. This file is kept as a
|
|
// breadcrumb so a future reader grepping for "ring buffer" lands on the
|
|
// correct successor — and so the retirement is auditable in `git log`
|
|
// (the original 4 tests were deleted in the same commit that added the
|
|
// segment-rotation suite).
|
|
//
|
|
// See: .planning/debug/webm-playback-freeze.md "Activation Plan"
|
|
// step 4 — the D-09..D-11 invariants are replaced, not weakened.
|
|
|
|
import { describe, it, expect } from 'vitest';
|
|
|
|
describe('ring buffer (retired — see segment-rotation.test.ts)', () => {
|
|
it('D-09..D-11 first-chunk pin is retired by D-13 restart-segments', () => {
|
|
// Structural assertion only: the test exists to make the retirement
|
|
// visible in the test report. Behavioural assertions live in
|
|
// segment-rotation.test.ts.
|
|
expect(true).toBe(true);
|
|
});
|
|
});
|