Show poll question in message preview (#7320)

test/stores/room-list/previews/PollStartEventPreview-test.ts

@@ -0,0 +1,71 @@
+/*
+Copyright 2021 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 { MatrixEvent } from "matrix-js-sdk";
+
+import { IPollAnswer } from "../../../../src/polls/consts";
+import { PollStartEventPreview } from "../../../../src/stores/room-list/previews/PollStartEventPreview";
+import { MatrixClientPeg } from "../../../../src/MatrixClientPeg";
+
+MatrixClientPeg.matrixClient = {
+    getUserId: () => "@me:example.com",
+};
+
+describe("PollStartEventPreview", () => {
+    it("shows the question for a poll I created", async () => {
+        const pollStartEvent = newPollStartEvent("My Question", "@me:example.com");
+        const preview = new PollStartEventPreview();
+        expect(preview.getTextFor(pollStartEvent)).toBe("My Question");
+    });
+
+    it("shows the sender and question for a poll created by someone else", async () => {
+        const pollStartEvent = newPollStartEvent("Your Question", "@yo:example.com");
+        const preview = new PollStartEventPreview();
+        expect(preview.getTextFor(pollStartEvent)).toBe("@yo:example.com: Your Question");
+    });
+});
+
+function newPollStartEvent(
+    question: string,
+    sender: string,
+    answers?: IPollAnswer[],
+): MatrixEvent {
+    if (!answers) {
+        answers = [
+            { "id": "socks", "org.matrix.msc1767.text": "Socks" },
+            { "id": "shoes", "org.matrix.msc1767.text": "Shoes" },
+        ];
+    }
+
+    return new MatrixEvent(
+        {
+            "event_id": "$mypoll",
+            "room_id": "#myroom:example.com",
+            "sender": sender,
+            "content": {
+                "org.matrix.msc3381.poll.start": {
+                    "question": {
+                        "org.matrix.msc1767.text": question,
+                    },
+                    "kind": "org.matrix.msc3381.poll.disclosed",
+                    "answers": answers,
+                },
+                "org.matrix.msc1767.text": `${question}: answers`,
+            },
+        },
+    );
+}
+