Prepare room components for local rooms (#9082)

test/components/views/rooms/NewRoomIntro-test.tsx

@@ -0,0 +1,78 @@
+/*
+Copyright 2015 - 2022 The Matrix.org Foundation C.I.C.
+Copyright 2019 Michael Telatynski <7t3chguy@gmail.com>
+
+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, screen } from "@testing-library/react";
+import { MatrixClient, Room } from "matrix-js-sdk/src/matrix";
+
+import { LocalRoom } from "../../../../src/models/LocalRoom";
+import { createTestClient } from "../../../test-utils";
+import RoomContext from "../../../../src/contexts/RoomContext";
+import MatrixClientContext from "../../../../src/contexts/MatrixClientContext";
+import NewRoomIntro from "../../../../src/components/views/rooms/NewRoomIntro";
+import { IRoomState } from "../../../../src/components/structures/RoomView";
+import DMRoomMap from "../../../../src/utils/DMRoomMap";
+import { MatrixClientPeg } from "../../../../src/MatrixClientPeg";
+import { DirectoryMember } from "../../../../src/utils/direct-messages";
+
+const renderNewRoomIntro = (client: MatrixClient, room: Room|LocalRoom) => {
+    render(
+        <MatrixClientContext.Provider value={client}>
+            <RoomContext.Provider value={{ room, roomId: room.roomId } as unknown as IRoomState}>
+                <NewRoomIntro />
+            </RoomContext.Provider>
+        </MatrixClientContext.Provider>,
+    );
+};
+
+describe("NewRoomIntro", () => {
+    let client: MatrixClient;
+    const roomId = "!room:example.com";
+    const userId = "@user:example.com";
+
+    beforeEach(() => {
+        client = createTestClient();
+        jest.spyOn(MatrixClientPeg, "get").mockReturnValue(client);
+        DMRoomMap.makeShared();
+    });
+
+    describe("for a DM Room", () => {
+        beforeEach(() => {
+            jest.spyOn(DMRoomMap.shared(), "getUserIdForRoomId").mockReturnValue(userId);
+            renderNewRoomIntro(client, new Room(roomId, client, client.getUserId()));
+        });
+
+        it("should render the expected intro", () => {
+            const expected = `This is the beginning of your direct message history with ${userId}.`;
+            screen.getByText((id, element) => element.tagName === "SPAN" && element.textContent === expected);
+        });
+    });
+
+    describe("for a DM LocalRoom", () => {
+        beforeEach(() => {
+            jest.spyOn(DMRoomMap.shared(), "getUserIdForRoomId").mockReturnValue(userId);
+            const localRoom = new LocalRoom(roomId, client, client.getUserId());
+            localRoom.targets.push(new DirectoryMember({ user_id: userId }));
+            renderNewRoomIntro(client, localRoom);
+        });
+
+        it("should render the expected intro", () => {
+            const expected = `Send your first message to invite ${userId} to chat`;
+            screen.getByText((id, element) => element.tagName === "SPAN" && element.textContent === expected);
+        });
+    });
+});