Initial Commit

packages/media/audio/audio-engine-browser/tests/integration.test.ts

@@ -0,0 +1,49 @@
+import { TimelineEngine } from "@suaveplan/audio-timeline";
+import { describe, expect, it } from "@suaveplan/testing/runner";
+import { BrowserTimelineAdapter } from "../src/adapter/browser-adapter.js";
+import { renderOffline } from "../src/offline/offline-render.js";
+import { FakeAudioContext } from "./fake-context.js";
+
+describe("BrowserTimelineAdapter integration", () => {
+    it("TimelineEngine drives BrowserTimelineAdapter end to end", {
+        timeout: 30000,
+    }, async () => {
+        const ctx = new FakeAudioContext();
+        const adapter = new BrowserTimelineAdapter({
+            context: ctx as never,
+        });
+        await adapter.init();
+        const timeline = new TimelineEngine();
+        timeline.setAdapter(adapter);
+        timeline.setTracks([
+            {
+                id: "t1",
+                name: "t1",
+                clips: [],
+                volume: 1,
+                muted: false,
+                soloed: false,
+                pan: 0,
+            },
+        ]);
+        timeline.play();
+        expect(adapter.snapshotGraph().nodes["t1:track-gain"]).toBe("gain");
+        adapter.dispose();
+    });
+
+    it("offline render integration with TimelineEngine", {
+        timeout: 30000,
+    }, async () => {
+        const timeline = new TimelineEngine();
+        const buffer = await renderOffline(timeline, 1, 22050, {
+            contextFactory: (args) =>
+                new FakeAudioContext({
+                    length: args.length,
+                    sampleRate: args.sampleRate,
+                    offline: true,
+                }),
+        });
+        expect(buffer.length).toBe(22050);
+        expect(buffer.sampleRate).toBe(22050);
+    });
+});