add support for changing the room settings

src/tests/room-settings.js

@@ -17,5 +17,51 @@ limitations under the License.
 const assert = require('assert');
 
 module.exports = async function changeRoomSettings(session, settings) {
-	session.waitFor
+	session.log.startGroup(`changes the room settings`);
+	/// XXX delay is needed here, possible because the header is being rerendered
+	/// click doesn't do anything otherwise
+	await session.delay(500);
+	const settingsButton = await session.query(".mx_RoomHeader .mx_AccessibleButton[title=Settings]");
+	await settingsButton.click();
+	const checks = await session.waitAndQueryAll(".mx_RoomSettings_settings input[type=checkbox]");
+	assert.equal(checks.length, 3);
+	const e2eEncryptionCheck = checks[0];
+	const sendToUnverifiedDevices = checks[1];
+	const isDirectory = checks[2];
+
+	if (typeof settings.directory === "boolean") {
+		session.log.step(`sets directory listing to ${settings.directory}`);
+		const checked = await session.getElementProperty(isDirectory, "checked");
+		assert(typeof checked, "boolean");
+		if (checked !== settings.directory) {
+			await isDirectory.click();
+			session.log.done();
+		} else {
+			session.log.done("already set");
+		}
+	}
+
+	if (settings.visibility) {
+		session.log.step(`sets visibility to ${settings.visibility}`);
+		const radios = await session.waitAndQueryAll(".mx_RoomSettings_settings input[type=radio]");
+		assert.equal(radios.length, 7);
+		const inviteOnly = radios[0];
+		const publicNoGuests = radios[1];
+		const publicWithGuests = radios[2];
+		
+		if (settings.visibility === "invite_only") {
+			await inviteOnly.click();
+		} else if (settings.visibility === "public_no_guests") {
+			await publicNoGuests.click();
+		} else if (settings.visibility === "public_with_guests") {
+			await publicWithGuests.click();
+		} else {
+			throw new Error(`unrecognized room visibility setting: ${settings.visibility}`);
+		}
+		session.log.done();
+	}
+
+	const saveButton = await session.query(".mx_RoomHeader_wrapper .mx_RoomHeader_textButton");
+	await saveButton.click();
+	session.log.endGroup();
 }