feat: release authentication laboratories 0.3.0

tests/qr/camera.test.ts

@@ -0,0 +1,59 @@
+import { afterEach, describe, expect, it, vi } from "vitest";
+import { scanQrFromCamera } from "../../src/qr/camera";
+
+describe("opt-in camera QR scanning", () => {
+  afterEach(() => {
+    vi.unstubAllGlobals();
+    vi.restoreAllMocks();
+  });
+
+  it("requests only video and stops every track after a match", async () => {
+    const stop = vi.fn();
+    const getUserMedia = vi.fn().mockResolvedValue({
+      getTracks: () => [{ stop }],
+    });
+    Object.defineProperty(navigator, "mediaDevices", {
+      configurable: true,
+      value: { getUserMedia },
+    });
+    vi.stubGlobal("isSecureContext", true);
+    vi.stubGlobal(
+      "BarcodeDetector",
+      class {
+        detect = vi
+          .fn()
+          .mockResolvedValue([{ rawValue: "otpauth://totp/Test" }]);
+      },
+    );
+    const video = document.createElement("video");
+    vi.spyOn(video, "play").mockResolvedValue();
+    vi.spyOn(video, "pause").mockImplementation(() => undefined);
+    Object.defineProperty(video, "readyState", {
+      configurable: true,
+      value: HTMLMediaElement.HAVE_CURRENT_DATA,
+    });
+    await expect(
+      scanQrFromCamera(video, new AbortController().signal),
+    ).resolves.toBe("otpauth://totp/Test");
+    expect(getUserMedia).toHaveBeenCalledWith(
+      expect.objectContaining({ audio: false, video: expect.any(Object) }),
+    );
+    expect(stop).toHaveBeenCalledOnce();
+    expect(video.srcObject).toBeNull();
+  });
+
+  it("does not request permission after prior cancellation", async () => {
+    const getUserMedia = vi.fn();
+    Object.defineProperty(navigator, "mediaDevices", {
+      configurable: true,
+      value: { getUserMedia },
+    });
+    vi.stubGlobal("isSecureContext", true);
+    const controller = new AbortController();
+    controller.abort();
+    await expect(
+      scanQrFromCamera(document.createElement("video"), controller.signal),
+    ).rejects.toMatchObject({ name: "AbortError" });
+    expect(getUserMedia).not.toHaveBeenCalled();
+  });
+});