feat: publish av-tools 0.1.0

tests/unit/ffmpeg-utils.test.ts

@@ -0,0 +1,47 @@
+import { describe, expect, it } from 'vitest';
+import {
+  getCoreAssetUrls,
+  resolveFromAppBase,
+} from '../../src/ffmpeg/asset-urls';
+import { LogBuffer } from '../../src/ffmpeg/log-buffer';
+import { normalizeProgress } from '../../src/ffmpeg/progress-parser';
+
+describe('FFmpeg runtime utilities', () => {
+  it('resolves assets under a nested application base', () => {
+    expect(
+      resolveFromAppBase(
+        'vendor/core.wasm',
+        'https://tools.example/apps/av/index.html',
+        './'
+      )
+    ).toBe('https://tools.example/apps/av/vendor/core.wasm');
+
+    const mt = getCoreAssetUrls(
+      'multithread',
+      (path) => `https://tools.example/deep/${path}`
+    );
+    expect(mt.coreURL).toContain('/0.12.10/mt/ffmpeg-core.js');
+    expect(mt.workerURL).toContain('/0.12.10/mt/ffmpeg-core.worker.js');
+  });
+
+  it('clamps experimental progress and removes invalid numbers', () => {
+    expect(normalizeProgress({ progress: 3, time: -10 })).toEqual({
+      progress: 1,
+      time: 0,
+    });
+    expect(
+      normalizeProgress({ progress: Number.NaN, time: Number.NaN })
+    ).toEqual({ progress: 0, time: 0 });
+  });
+
+  it('bounds diagnostic log memory', () => {
+    const logs = new LogBuffer(2, 100);
+    logs.append({ type: 'stdout', message: 'one' });
+    logs.append({ type: 'stderr', message: 'two\u0000' });
+    logs.append({ type: 'stderr', message: 'three' });
+    expect(logs.snapshot()).toEqual([
+      { type: 'stderr', message: 'two' },
+      { type: 'stderr', message: 'three' },
+    ]);
+  });
+});