Initial Commit

packages/media/audio/audio-codec-ffmpeg-wasm/tests/integration.test.ts

@@ -0,0 +1,47 @@
+import { CodecRegistry } from "@suaveplan/audio-codecs/registry/registry";
+import { describe, expect, it } from "@suaveplan/testing/runner";
+import { FfmpegWasmCodec, register } from "../src/index.js";
+import {
+    buildPcmBytes,
+    FakeWorker,
+    successScript,
+} from "./fixtures/fake-worker.js";
+
+describe("integration: codec wired through CodecRegistry", () => {
+    it("register installs and registry.detect finds the codec", {
+        timeout: 30000,
+    }, () => {
+        const registry = new CodecRegistry();
+        const codec = register(registry, {
+            coreLoader: () => Promise.resolve({}),
+            workerFactory: () => new FakeWorker() as unknown as Worker,
+        });
+        expect(codec).toBeInstanceOf(FfmpegWasmCodec);
+        const wav = new Uint8Array(44);
+        wav[0] = 0x52;
+        wav[1] = 0x49;
+        wav[2] = 0x46;
+        wav[3] = 0x46;
+        expect(registry.detect(wav)).toBe("ffmpeg-wasm");
+    });
+
+    it("registry.decode produces an AudioDocument", {
+        timeout: 30000,
+    }, async () => {
+        const registry = new CodecRegistry();
+        const worker = new FakeWorker();
+        worker.script.push(...successScript(buildPcmBytes(64, 2)));
+        register(registry, {
+            coreLoader: () => Promise.resolve({}),
+            workerFactory: () => worker as unknown as Worker,
+        });
+        const wav = new Uint8Array(44);
+        wav[0] = 0x52;
+        wav[1] = 0x49;
+        wav[2] = 0x46;
+        wav[3] = 0x46;
+        const doc = await registry.decode(wav);
+        expect(doc.channels).toBe(2);
+        expect(doc.sampleRate).toBeGreaterThan(0);
+    });
+});