Absorb the matrix-react-sdk repository (#28192)

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test/unit-tests/utils/media/requestMediaPermissions-test.tsx

@@ -0,0 +1,112 @@
+/*
+Copyright 2024 New Vector Ltd.
+Copyright 2022 The Matrix.org Foundation C.I.C.
+
+SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only
+Please see LICENSE files in the repository root for full details.
+*/
+
+import { mocked } from "jest-mock";
+import { logger } from "matrix-js-sdk/src/logger";
+import { screen } from "jest-matrix-react";
+
+import { requestMediaPermissions } from "../../../../src/utils/media/requestMediaPermissions";
+import { flushPromises, useMockMediaDevices } from "../../../test-utils";
+
+describe("requestMediaPermissions", () => {
+    let error: Error;
+    const audioVideoStream = {} as MediaStream;
+    const audioStream = {} as MediaStream;
+
+    const itShouldLogTheErrorAndShowTheNoMediaPermissionsModal = () => {
+        it("should log the error and show the »No media permissions« modal", () => {
+            expect(logger.log).toHaveBeenCalledWith("Failed to list userMedia devices", error);
+            screen.getByText("No media permissions");
+        });
+    };
+
+    beforeEach(() => {
+        useMockMediaDevices();
+        error = new Error();
+        jest.spyOn(logger, "log");
+    });
+
+    describe("when an audio and video device is available", () => {
+        beforeEach(() => {
+            mocked(navigator.mediaDevices.getUserMedia).mockImplementation(
+                async ({ audio, video }: MediaStreamConstraints): Promise<MediaStream> => {
+                    if (audio && video) return audioVideoStream;
+                    return audioStream;
+                },
+            );
+        });
+
+        it("should return the audio/video stream", async () => {
+            expect(await requestMediaPermissions()).toBe(audioVideoStream);
+        });
+    });
+
+    describe("when calling with video = false and an audio device is available", () => {
+        beforeEach(() => {
+            mocked(navigator.mediaDevices.getUserMedia).mockImplementation(
+                async ({ audio, video }: MediaStreamConstraints): Promise<MediaStream> => {
+                    if (audio && !video) return audioStream;
+                    return audioVideoStream;
+                },
+            );
+        });
+
+        it("should return the audio stream", async () => {
+            expect(await requestMediaPermissions(false)).toBe(audioStream);
+        });
+    });
+
+    describe("when only an audio stream is available", () => {
+        beforeEach(() => {
+            error.name = "NotFoundError";
+            mocked(navigator.mediaDevices.getUserMedia).mockImplementation(
+                async ({ audio, video }: MediaStreamConstraints): Promise<MediaStream> => {
+                    if (audio && video) throw error;
+                    if (audio) return audioStream;
+                    return audioVideoStream;
+                },
+            );
+        });
+
+        it("should return the audio stream", async () => {
+            expect(await requestMediaPermissions()).toBe(audioStream);
+        });
+    });
+
+    describe("when no device is available", () => {
+        beforeEach(async () => {
+            error.name = "NotFoundError";
+            mocked(navigator.mediaDevices.getUserMedia).mockImplementation(async (): Promise<MediaStream> => {
+                throw error;
+            });
+            await requestMediaPermissions();
+            // required for the modal to settle
+            await flushPromises();
+            await flushPromises();
+        });
+
+        itShouldLogTheErrorAndShowTheNoMediaPermissionsModal();
+    });
+
+    describe("when an Error is raised", () => {
+        beforeEach(async () => {
+            mocked(navigator.mediaDevices.getUserMedia).mockImplementation(
+                async ({ audio, video }: MediaStreamConstraints): Promise<MediaStream> => {
+                    if (audio && video) throw error;
+                    return audioVideoStream;
+                },
+            );
+            await requestMediaPermissions();
+            // required for the modal to settle
+            await flushPromises();
+            await flushPromises();
+        });
+
+        itShouldLogTheErrorAndShowTheNoMediaPermissionsModal();
+    });
+});