Convert end-to-end tests to Typescript (#7206)

test/end-to-end-tests/src/usecases/dialog.ts

@@ -0,0 +1,46 @@
+/*
+Copyright 2018 New Vector Ltd
+Copyright 2019 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 { strict as assert } from 'assert';
+import { ElementSession } from "../session";
+
+export async function assertDialog(session: ElementSession, expectedTitle: string): Promise<void> {
+    const titleElement = await session.query(".mx_Dialog .mx_Dialog_title");
+    const dialogHeader = await session.innerText(titleElement);
+    assert.equal(dialogHeader, expectedTitle);
+}
+
+export async function acceptDialog(session: ElementSession, expectedTitle: string): Promise<void> {
+    const foundDialog = await acceptDialogMaybe(session, expectedTitle);
+    if (!foundDialog) {
+        throw new Error("could not find a dialog");
+    }
+}
+
+export async function acceptDialogMaybe(session: ElementSession, expectedTitle: string): Promise<boolean> {
+    let primaryButton = null;
+    try {
+        primaryButton = await session.query(".mx_Dialog .mx_Dialog_primary");
+    } catch (err) {
+        return false;
+    }
+    if (expectedTitle) {
+        await assertDialog(session, expectedTitle);
+    }
+    await primaryButton.click();
+    return true;
+}