add test scenario for e2e encryption

src/tests/dialog.js

@@ -0,0 +1,47 @@
+/*
+Copyright 2018 New Vector Ltd
+
+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.
+*/
+
+const assert = require('assert');
+
+
+async function acceptDialog(session, expectedContent) {
+	const foundDialog = await acceptDialogMaybe(session, expectedContent);
+	if (!foundDialog) {
+		throw new Error("could not find a dialog");
+	}
+}
+
+async function acceptDialogMaybe(session, expectedContent) {
+	let dialog = null;
+	try {
+		dialog = await session.waitAndQuery(".mx_QuestionDialog", 100);
+	} catch(err) {
+		return false;
+	}
+	if (expectedContent) {
+		const contentElement = await dialog.$(".mx_Dialog_content");
+		const content = await (await contentElement.getProperty("innerText")).jsonValue();
+		assert.ok(content.indexOf(expectedContent) !== -1);
+	}
+	const primaryButton = await dialog.$(".mx_Dialog_primary");
+	await primaryButton.click();
+	return true;
+}
+
+module.exports = {
+	acceptDialog,
+	acceptDialogMaybe,
+};