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add tests for dynamically removing timeline nodes

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This commit is contained in:
Cherrie Chang 2024-11-04 17:42:18 -05:00
parent 4e88af18c1
commit 9b55e9dfcc
1 changed files with 66 additions and 0 deletions
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66
packages/jspsych/src/timeline/Timeline.spec.ts
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@ -75,6 +75,72 @@ describe("Timeline", () => {
expect(timeline.children.length).toEqual(2);
});
it("respects dynamically removed end child node descriptions", async () => {
TestPlugin.setManualFinishTrialMode();
const timelineDescription: TimelineArray = [
{ type: TestPlugin },
{ type: TestPlugin },
{ timeline: [{ type: TestPlugin }] },
];
const timeline = createTimeline(timelineDescription);
const runPromise = timeline.run();
expect(timeline.children.length).toEqual(1); // Only the first child is instantiated because they are incrementally instantiated now
timelineDescription.pop();
await TestPlugin.finishTrial();
await TestPlugin.finishTrial();
await runPromise;
expect(timeline.children.length).toEqual(2);
expect(timeline.children).toEqual([expect.any(Trial), expect.any(Trial)]);
});
it("respects dynamically removed first child node descriptions", async () => {
TestPlugin.setManualFinishTrialMode();
const timelineDescription: TimelineArray = [
{ type: TestPlugin },
{ timeline: [{ type: TestPlugin }] },
{ type: TestPlugin },
];
const timeline = createTimeline(timelineDescription);
const runPromise = timeline.run();
expect(timeline.children.length).toEqual(1);
timelineDescription.shift();
await TestPlugin.finishTrial();
await TestPlugin.finishTrial();
await runPromise;
expect(timeline.children.length).toEqual(2);
expect(timeline.children).toEqual([expect.any(Timeline), expect.any(Trial)]);
});
it("respects dynamically removed middle child node descriptions", async () => {
TestPlugin.setManualFinishTrialMode();
const timelineDescription: TimelineArray = [
{ type: TestPlugin },
{ timeline: [{ type: TestPlugin }] },
{ type: TestPlugin },
];
const timeline = createTimeline(timelineDescription);
const runPromise = timeline.run();
expect(timeline.children.length).toEqual(1);
timelineDescription.splice(1, 1);
await TestPlugin.finishTrial();
await TestPlugin.finishTrial();
await runPromise;
expect(timeline.children.length).toEqual(2);
expect(timeline.children).toEqual([expect.any(Trial), expect.any(Trial)]);
});
describe("with `pause()` and `resume()` calls`", () => {
beforeEach(() => {
TestPlugin.setManualFinishTrialMode();