Wire local room logic (#9078)

* Wire local room logic

* Migrate to testling-lib; update test descriptions

test/stores/TypingStore-test.ts

@@ -0,0 +1,88 @@
+/*
+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 } from "matrix-js-sdk/src/matrix";
+
+import { MatrixClientPeg } from "../../src/MatrixClientPeg";
+import TypingStore from "../../src/stores/TypingStore";
+import { LOCAL_ROOM_ID_PREFIX } from "../../src/models/LocalRoom";
+import SettingsStore from "../../src/settings/SettingsStore";
+
+jest.mock("../../src/settings/SettingsStore", () => ({
+    getValue: jest.fn(),
+}));
+
+describe("TypingStore", () => {
+    let typingStore: TypingStore;
+    let mockClient: MatrixClient;
+    const settings = {
+        "sendTypingNotifications": true,
+        "feature_thread": false,
+    };
+    const roomId = "!test:example.com";
+    const localRoomId = LOCAL_ROOM_ID_PREFIX + "test";
+
+    beforeEach(() => {
+        typingStore = new TypingStore();
+        mockClient = {
+            sendTyping: jest.fn(),
+        } as unknown as MatrixClient;
+        MatrixClientPeg.get = () => mockClient;
+        mocked(SettingsStore.getValue).mockImplementation((setting: string) => {
+            return settings[setting];
+        });
+    });
+
+    describe("setSelfTyping", () => {
+        it("shouldn't do anything for a local room", () => {
+            typingStore.setSelfTyping(localRoomId, null, true);
+            expect(mockClient.sendTyping).not.toHaveBeenCalled();
+        });
+
+        describe("in typing state true", () => {
+            beforeEach(() => {
+                typingStore.setSelfTyping(roomId, null, true);
+            });
+
+            it("should change to false when setting false", () => {
+                typingStore.setSelfTyping(roomId, null, false);
+                expect(mockClient.sendTyping).toHaveBeenCalledWith(roomId, false, 30000);
+            });
+
+            it("should change to true when setting true", () => {
+                typingStore.setSelfTyping(roomId, null, true);
+                expect(mockClient.sendTyping).toHaveBeenCalledWith(roomId, true, 30000);
+            });
+        });
+
+        describe("in typing state false", () => {
+            beforeEach(() => {
+                typingStore.setSelfTyping(roomId, null, false);
+            });
+
+            it("shouldn't change when setting false", () => {
+                typingStore.setSelfTyping(roomId, null, false);
+                expect(mockClient.sendTyping).not.toHaveBeenCalled();
+            });
+
+            it("should change to true when setting true", () => {
+                typingStore.setSelfTyping(roomId, null, true);
+                expect(mockClient.sendTyping).toHaveBeenCalledWith(roomId, true, 30000);
+            });
+        });
+    });
+});