Marcus Schiesser
34 lines
1.1 KiB
TypeScript
34 lines
1.1 KiB
TypeScript
import { describe, expect, it } from "vitest";
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import { computeWebcamOverlayLayout } from "./webcamOverlay";
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describe("computeWebcamOverlayLayout", () => {
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it("anchors the overlay in the lower-right corner", () => {
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const layout = computeWebcamOverlayLayout({
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stageWidth: 1920,
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stageHeight: 1080,
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videoWidth: 1280,
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videoHeight: 720,
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});
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expect(layout).not.toBeNull();
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expect(layout!.x + layout!.width).toBeLessThanOrEqual(1920);
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expect(layout!.y + layout!.height).toBeLessThanOrEqual(1080);
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expect(layout!.x).toBeGreaterThan(1920 / 2);
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expect(layout!.y).toBeGreaterThan(1080 / 2);
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});
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it("keeps the overlay within the configured stage fraction while preserving aspect ratio", () => {
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const layout = computeWebcamOverlayLayout({
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stageWidth: 1280,
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stageHeight: 720,
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videoWidth: 1920,
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videoHeight: 1080,
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});
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expect(layout).not.toBeNull();
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expect(layout!.width).toBeLessThanOrEqual(Math.round(1280 * 0.18) + 1);
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expect(layout!.height).toBeLessThanOrEqual(Math.round(720 * 0.18) + 1);
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expect(layout!.width / layout!.height).toBeCloseTo(1920 / 1080, 2);
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});
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});
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