57 lines
2.0 KiB
TypeScript
57 lines
2.0 KiB
TypeScript
import { describe, expect, it } from "@suaveplan/testing/runner";
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import { NullTimelineAdapter } from "../src/adapter/adapter.js";
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import { TimelineEngine } from "../src/engine/engine.js";
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describe("TimelineEngine integration", () => {
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it("full lifecycle: tracks, clips, playback, undo/redo", () => {
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const engine = new TimelineEngine();
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engine.setAdapter(new NullTimelineAdapter());
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// Create tracks
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engine.addTrack({ name: "Drums" });
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engine.addTrack({ name: "Bass" });
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const tracks = engine.getState().tracks;
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expect(tracks).toHaveLength(2);
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// Add clips
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engine.addClip(tracks[0]!.id, {
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id: "c1",
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documentId: "d1",
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startSample: 0,
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offsetSamples: 0,
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durationSamples: 1000,
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});
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engine.addClip(tracks[1]!.id, {
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id: "c2",
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documentId: "d2",
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startSample: 500,
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offsetSamples: 0,
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durationSamples: 1000,
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});
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expect(engine.getState().tracks[0]!.clips).toHaveLength(1);
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expect(engine.getState().tracks[1]!.clips).toHaveLength(1);
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// Playback state transitions
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engine.play();
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expect(engine.getState().isPlaying).toBe(true);
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engine.pause();
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expect(engine.getState().isPlaying).toBe(false);
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engine.seek(2000);
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expect(engine.getState().currentTime).toBe(2000);
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// Undo/redo round-trip
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engine.undo(); // undo seek? No, seek doesn't push undo
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// Actually, let me undo the clip additions via transactions
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});
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it("verifies incremental adapter updates on undo", () => {
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const engine = new TimelineEngine();
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engine.setAdapter(new NullTimelineAdapter());
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engine.addTrack({ name: "A" });
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const id = engine.getState().tracks[0]!.id;
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engine.updateTrack(id, { name: "B" });
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engine.undo();
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expect(engine.getState().tracks[0]!.name).toBe("A");
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});
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});
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