Add voice broadcast ended message (#9728)

test/voice-broadcast/utils/textForVoiceBroadcastStoppedEvent-test.tsx

@@ -0,0 +1,98 @@
+/*
+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 { render, RenderResult, screen } from "@testing-library/react";
+import userEvent from '@testing-library/user-event';
+import { mocked } from "jest-mock";
+import { MatrixClient, RelationType } from "matrix-js-sdk/src/matrix";
+
+import { textForVoiceBroadcastStoppedEvent, VoiceBroadcastInfoState } from "../../../src/voice-broadcast";
+import { stubClient } from "../../test-utils";
+import { mkVoiceBroadcastInfoStateEvent } from "./test-utils";
+import dis from "../../../src/dispatcher/dispatcher";
+import { Action } from "../../../src/dispatcher/actions";
+
+jest.mock("../../../src/dispatcher/dispatcher");
+
+describe("textForVoiceBroadcastStoppedEvent", () => {
+    const otherUserId = "@other:example.com";
+    const roomId = "!room:example.com";
+    let client: MatrixClient;
+
+    const renderText = (senderId: string, startEventId?: string) => {
+        const event = mkVoiceBroadcastInfoStateEvent(
+            roomId,
+            VoiceBroadcastInfoState.Stopped,
+            senderId,
+            client.deviceId!,
+        );
+
+        if (startEventId) {
+            event.getContent()["m.relates_to"] = {
+                rel_type: RelationType.Reference,
+                event_id: startEventId,
+            };
+        }
+
+        return render(<div>{ textForVoiceBroadcastStoppedEvent(event)() }</div>);
+    };
+
+    beforeEach(() => {
+        client = stubClient();
+    });
+
+    it("should render own broadcast as expected", () => {
+        expect(renderText(client.getUserId()!).container).toMatchSnapshot();
+    });
+
+    it("should render other users broadcast as expected", () => {
+        expect(renderText(otherUserId).container).toMatchSnapshot();
+    });
+
+    it("should render without login as expected", () => {
+        mocked(client.getUserId).mockReturnValue(null);
+        expect(renderText(otherUserId).container).toMatchSnapshot();
+    });
+
+    describe("when rendering an event with relation to the start event", () => {
+        let result: RenderResult;
+
+        beforeEach(() => {
+            result = renderText(client.getUserId()!, "$start-id");
+        });
+
+        it("should render events with relation to the start event", () => {
+            expect(result.container).toMatchSnapshot();
+        });
+
+        describe("and clicking the link", () => {
+            beforeEach(async () => {
+                await userEvent.click(screen.getByRole("button"));
+            });
+
+            it("should dispatch an action to highlight the event", () => {
+                expect(dis.dispatch).toHaveBeenCalledWith({
+                    action: Action.ViewRoom,
+                    event_id: "$start-id",
+                    highlighted: true,
+                    room_id: roomId,
+                    metricsTrigger: undefined, // room doesn't change
+                });
+            });
+        });
+    });
+});