Resume voice broadcast on load (#9475)

test/voice-broadcast/utils/findRoomLiveVoiceBroadcastFromUserAndDevice-test.ts

@@ -0,0 +1,127 @@
+/*
+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 { mocked } from "jest-mock";
+import { MatrixClient, MatrixEvent, Room } from "matrix-js-sdk/src/matrix";
+
+import {
+    findRoomLiveVoiceBroadcastFromUserAndDevice,
+    VoiceBroadcastInfoEventType,
+    VoiceBroadcastInfoState,
+} from "../../../src/voice-broadcast";
+import { mkEvent, stubClient } from "../../test-utils";
+import { mkVoiceBroadcastInfoStateEvent } from "./test-utils";
+
+describe("findRoomLiveVoiceBroadcastFromUserAndDevice", () => {
+    const roomId = "!room:example.com";
+    let client: MatrixClient;
+    let room: Room;
+
+    const itShouldReturnNull = () => {
+        it("should return null", () => {
+            expect(findRoomLiveVoiceBroadcastFromUserAndDevice(
+                room,
+                client.getUserId(),
+                client.getDeviceId(),
+            )).toBeNull();
+        });
+    };
+
+    beforeAll(() => {
+        client = stubClient();
+        room = new Room(roomId, client, client.getUserId());
+        jest.spyOn(room.currentState, "getStateEvents");
+        mocked(client.getRoom).mockImplementation((getRoomId: string) => {
+            if (getRoomId === roomId) return room;
+        });
+    });
+
+    describe("when there is no info event", () => {
+        itShouldReturnNull();
+    });
+
+    describe("when there is an info event without content", () => {
+        beforeEach(() => {
+            room.currentState.setStateEvents([
+                mkEvent({
+                    event: true,
+                    type: VoiceBroadcastInfoEventType,
+                    room: roomId,
+                    user: client.getUserId(),
+                    content: {},
+                }),
+            ]);
+        });
+
+        itShouldReturnNull();
+    });
+
+    describe("when there is a stopped info event", () => {
+        beforeEach(() => {
+            room.currentState.setStateEvents([
+                mkVoiceBroadcastInfoStateEvent(
+                    roomId,
+                    VoiceBroadcastInfoState.Stopped,
+                    client.getUserId(),
+                    client.getDeviceId(),
+                ),
+            ]);
+        });
+
+        itShouldReturnNull();
+    });
+
+    describe("when there is a started info event from another device", () => {
+        beforeEach(() => {
+            const event = mkVoiceBroadcastInfoStateEvent(
+                roomId,
+                VoiceBroadcastInfoState.Stopped,
+                client.getUserId(),
+                "JKL123",
+            );
+            room.currentState.setStateEvents([event]);
+        });
+
+        itShouldReturnNull();
+    });
+
+    describe("when there is a started info event", () => {
+        let event: MatrixEvent;
+
+        beforeEach(() => {
+            event = mkVoiceBroadcastInfoStateEvent(
+                roomId,
+                VoiceBroadcastInfoState.Started,
+                client.getUserId(),
+                client.getDeviceId(),
+            );
+            room.currentState.setStateEvents([event]);
+        });
+
+        it("should return this event", () => {
+            expect(room.currentState.getStateEvents).toHaveBeenCalledWith(
+                VoiceBroadcastInfoEventType,
+                client.getUserId(),
+            );
+
+            expect(findRoomLiveVoiceBroadcastFromUserAndDevice(
+                room,
+                client.getUserId(),
+                client.getDeviceId(),
+            )).toBe(event);
+        });
+    });
+});