Test VideoLobby

test/components/views/voip/VideoLobby-test.tsx

@@ -0,0 +1,116 @@
+/*
+Copyright 2022 The Matrix.org Foundation C.I.C.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+import React from "react";
+import { mount } from "enzyme";
+import { act } from "react-dom/test-utils";
+import { mocked } from "jest-mock";
+
+import { stubClient, stubVideoChannelStore, mkRoom } from "../../../test-utils";
+import { MatrixClientPeg } from "../../../../src/MatrixClientPeg";
+import VideoLobby from "../../../../src/components/views/voip/VideoLobby";
+
+describe("VideoLobby", () => {
+    stubClient();
+    Object.defineProperty(navigator, "mediaDevices", {
+        value: {
+            enumerateDevices: jest.fn(),
+            getUserMedia: () => null,
+        },
+    });
+    jest.spyOn(HTMLMediaElement.prototype, "play").mockImplementation(async () => {});
+
+    const cli = MatrixClientPeg.get();
+    const room = mkRoom(cli, "!1:example.org");
+
+    let store;
+    beforeEach(() => {
+        store = stubVideoChannelStore();
+        mocked(navigator.mediaDevices.enumerateDevices).mockResolvedValue([]);
+    });
+
+    afterEach(() => {
+        jest.clearAllMocks();
+    });
+
+    describe("device buttons", () => {
+        it("hides when no devices are available", async () => {
+            const lobby = mount(<VideoLobby room={room} />);
+            // Wait for state to settle
+            await act(() => Promise.resolve());
+            lobby.update();
+
+            expect(lobby.find("DeviceButton").children().exists()).toEqual(false);
+        });
+
+        it("hides device list when only one device is available", async () => {
+            mocked(navigator.mediaDevices.enumerateDevices).mockResolvedValue([{
+                deviceId: "1",
+                groupId: "1",
+                label: "Webcam",
+                kind: "videoinput",
+                toJSON: () => {},
+            }]);
+
+            const lobby = mount(<VideoLobby room={room} />);
+            // Wait for state to settle
+            await act(() => Promise.resolve());
+            lobby.update();
+
+            expect(lobby.find(".mx_VideoLobby_deviceListButton").exists()).toEqual(false);
+        });
+
+        it("shows device list when multiple devices are available", async () => {
+            mocked(navigator.mediaDevices.enumerateDevices).mockResolvedValue([
+                {
+                    deviceId: "1",
+                    groupId: "1",
+                    label: "Front camera",
+                    kind: "videoinput",
+                    toJSON: () => {},
+                },
+                {
+                    deviceId: "2",
+                    groupId: "1",
+                    label: "Back camera",
+                    kind: "videoinput",
+                    toJSON: () => {},
+                },
+            ]);
+
+            const lobby = mount(<VideoLobby room={room} />);
+            // Wait for state to settle
+            await act(() => Promise.resolve());
+            lobby.update();
+
+            expect(lobby.find(".mx_VideoLobby_deviceListButton").exists()).toEqual(true);
+        });
+    });
+
+    describe("join button", () => {
+        it("works", async () => {
+            const lobby = mount(<VideoLobby room={room} />);
+            // Wait for state to settle
+            await act(() => Promise.resolve());
+            lobby.update();
+
+            act(() => {
+                lobby.find("AccessibleButton.mx_VideoLobby_joinButton").simulate("click");
+            });
+            expect(store.connect).toHaveBeenCalled();
+        });
+    });
+});

test/test-utils/video.ts

@@ -29,17 +29,17 @@ class StubVideoChannelStore extends EventEmitter {
         this._roomId = roomId;
         this.emit(VideoChannelEvent.StartConnect, roomId);
     };
-    public connect = (roomId: string) => {
+    public connect = jest.fn((roomId: string) => {
         this._roomId = roomId;
         this._connected = true;
         this.emit(VideoChannelEvent.Connect, roomId);
-    };
-    public disconnect = () => {
+    });
+    public disconnect = jest.fn(() => {
         const roomId = this._roomId;
         this._roomId = null;
         this._connected = false;
         this.emit(VideoChannelEvent.Disconnect, roomId);
-    };
+    });
 }
 
 export const stubVideoChannelStore = (): StubVideoChannelStore => {