41 lines
1.2 KiB
TypeScript
41 lines
1.2 KiB
TypeScript
import { afterEach, describe, expect, it, vi } from "vitest";
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import { decodeQrImage } from "../../src/qr/decoder";
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describe("QR image decoding", () => {
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afterEach(() => vi.unstubAllGlobals());
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it("uses native QR detection when available and closes the bitmap", async () => {
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const close = vi.fn();
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vi.stubGlobal(
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"createImageBitmap",
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vi.fn().mockResolvedValue({ width: 128, height: 128, close }),
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);
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vi.stubGlobal(
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"BarcodeDetector",
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class {
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async detect() {
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return [
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{ rawValue: "otpauth://totp/Example?secret=JBSWY3DPEHPK3PXP" },
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];
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}
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},
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);
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await expect(
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decodeQrImage(new File([new Uint8Array(10)], "qr.png")),
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).resolves.toMatch(/^otpauth:/u);
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expect(close).toHaveBeenCalledOnce();
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});
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it("rejects oversized dimensions before pixel extraction", async () => {
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const close = vi.fn();
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vi.stubGlobal(
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"createImageBitmap",
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vi.fn().mockResolvedValue({ width: 4097, height: 1, close }),
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);
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await expect(
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decodeQrImage(new File([new Uint8Array(10)], "huge.png")),
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).rejects.toThrow(/dimensions/iu);
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expect(close).toHaveBeenCalledOnce();
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});
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});
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