test functional EventUtils (#8386)

* extract poll event test util

Signed-off-by: Kerry Archibald <kerrya@element.io>

* test isContentActionable

Signed-off-by: Kerry Archibald <kerrya@element.io>

* test canEditContent

Signed-off-by: Kerry Archibald <kerrya@element.io>

* test functional eventutils

Signed-off-by: Kerry Archibald <kerrya@element.io>

* copyrights

Signed-off-by: Kerry Archibald <kerrya@element.io>

test/test-utils/poll.ts

@@ -0,0 +1,50 @@
+/*
+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 { MatrixEvent } from "matrix-js-sdk/src/matrix";
+import { M_TEXT, M_POLL_START, POLL_ANSWER, M_POLL_KIND_DISCLOSED } from "matrix-events-sdk";
+
+export const makePollStartEvent = (
+    question: string,
+    sender: string,
+    answers?: POLL_ANSWER[],
+): MatrixEvent => {
+    if (!answers) {
+        answers = [
+            { "id": "socks", [M_TEXT.name]: "Socks" },
+            { "id": "shoes", [M_TEXT.name]: "Shoes" },
+        ];
+    }
+
+    return new MatrixEvent(
+        {
+            "event_id": "$mypoll",
+            "room_id": "#myroom:example.com",
+            "sender": sender,
+            "type": M_POLL_START.name,
+            "content": {
+                [M_POLL_START.name]: {
+                    "question": {
+                        [M_TEXT.name]: question,
+                    },
+                    "kind": M_POLL_KIND_DISCLOSED.name,
+                    "answers": answers,
+                },
+                [M_TEXT.name]: `${question}: answers`,
+            },
+        },
+    );
+};