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Author	SHA1	Message	Date
Mark	e40949d1d2	test(01-08): regenerate last_30sec.webm fixture + split remux input/output fixtures Plan 01-08 Task 5 closeout. The post-B+ smoke run produced a working single-EBML WebM (28.76s, 676 frames, 1.89 MB, monotonic 0→28.76s timestamps). Operator-confirmed empirically (timer overlay in smoke HTML showed the latest frames matched expectations). Two-fixture split resolves a test-design conflict surfaced when last_30sec.webm flipped from pre-remux input shape to post-remux output shape: - tests/fixtures/last_30sec.webm — POST-REMUX output (single EBML, 41 ffmpeg dry-run lines). Validates webm-playback.test.ts' playable-duration + structural assertions. - tests/fixtures/raw-3ebml-concat.webm — PRE-REMUX input (3-EBML concat, 299 ffmpeg dry-run lines = 3 segment boundaries). Preserved from the original 2026-05-15 Phase 1 closure fixture. Used by webm-remux.test.ts to test that remuxSegments correctly transforms 3-EBML input → single-EBML output. tests/background/webm-remux.test.ts FIXTURE_PATH updated to point at raw-3ebml-concat.webm; the hardcoded EBML byte offsets [0, 509038, 970967] and frame bounds [905, 912] remain valid against that preserved input. Result: 64/64 vitest GREEN (was 61/64). tsc clean. Build exit 0. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>	2026-05-17 12:44:50 +02:00
Mark	407e683e9b	test(01-08): RED unit tests for remuxSegments — single-EBML + monotonic + frame-count + size + empty - 5 RED tests pinning the contract for src/background/webm-remux.ts (created in Task 3). All fail with "module missing" today — the Task 3 GREEN gate. - Test 1: exactly 1 EBML header + 1 Segment magic in output. - Test 2: output size within [0.7x, 1.3x] of input sum. - Test 3: ffprobe format=duration >= 25_000 ms (skip-if-no-ffprobe). - Test 4: ffprobe -count_frames in [905, 912] (per-seg sum 912 ± 3 boundary partial-frame drops, I-01 tightening). - Test 5: empty input -> empty Blob (defense-in-depth). - Fixture sliced at d13-confirmed byte offsets (0 / 509038 / 970967); verified against committed last_30sec.webm at Task 2 land time. - Baseline counts: 13 files / 62 tests / 7 failed (2 webm-playback + 5 new webm-remux) \| 55 passed. tsc exit 0.	2026-05-17 09:23:53 +02:00

Author

SHA1

Message

Date

Mark

e40949d1d2

test(01-08): regenerate last_30sec.webm fixture + split remux input/output fixtures

Plan 01-08 Task 5 closeout. The post-B+ smoke run produced a working
single-EBML WebM (28.76s, 676 frames, 1.89 MB, monotonic 0→28.76s
timestamps). Operator-confirmed empirically (timer overlay in smoke
HTML showed the latest frames matched expectations).

Two-fixture split resolves a test-design conflict surfaced when
last_30sec.webm flipped from pre-remux input shape to post-remux
output shape:

- tests/fixtures/last_30sec.webm — POST-REMUX output (single EBML,
  41 ffmpeg dry-run lines). Validates webm-playback.test.ts'
  playable-duration + structural assertions.

- tests/fixtures/raw-3ebml-concat.webm — PRE-REMUX input (3-EBML
  concat, 299 ffmpeg dry-run lines = 3 segment boundaries).
  Preserved from the original 2026-05-15 Phase 1 closure fixture.
  Used by webm-remux.test.ts to test that remuxSegments correctly
  transforms 3-EBML input → single-EBML output.

tests/background/webm-remux.test.ts FIXTURE_PATH updated to point at
raw-3ebml-concat.webm; the hardcoded EBML byte offsets [0, 509038,
970967] and frame bounds [905, 912] remain valid against that
preserved input.

Result: 64/64 vitest GREEN (was 61/64). tsc clean. Build exit 0.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

2026-05-17 12:44:50 +02:00

Mark

407e683e9b

test(01-08): RED unit tests for remuxSegments — single-EBML + monotonic + frame-count + size + empty

- 5 RED tests pinning the contract for src/background/webm-remux.ts
  (created in Task 3). All fail with "module missing" today — the
  Task 3 GREEN gate.
- Test 1: exactly 1 EBML header + 1 Segment magic in output.
- Test 2: output size within [0.7x, 1.3x] of input sum.
- Test 3: ffprobe format=duration >= 25_000 ms (skip-if-no-ffprobe).
- Test 4: ffprobe -count_frames in [905, 912] (per-seg sum 912 ± 3 boundary
  partial-frame drops, I-01 tightening).
- Test 5: empty input -> empty Blob (defense-in-depth).
- Fixture sliced at d13-confirmed byte offsets (0 / 509038 / 970967);
  verified against committed last_30sec.webm at Task 2 land time.
- Baseline counts: 13 files / 62 tests / 7 failed (2 webm-playback +
  5 new webm-remux) | 55 passed. tsc exit 0.

2026-05-17 09:23:53 +02:00

2 Commits