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Convert sticker end-to-end tests to Cypress (#8807)

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* Convert sticker end-to-end tests to Cypress

Reference materials:
* https://www.cypress.io/blog/2020/02/12/working-with-iframes-in-cypress/
* https://github.com/cypress-io/cypress/issues/136
* https://docs.cypress.io/api/commands/origin#Other-limitations

Ideally we'd be able to use `cy.origin()` to jump into the iframe, but it's explicitly not supported. Instead we disable web security as instructed by cypress because it's our only reasonable option here. Thankfully, disabling web security doesn't appear to remove the crypto libraries from the browser so we can still function in that respect.

Rationale for why we can't just serve the sticker picker off the app domain is included in the code.

* Appease the linter

* More linter appeasement
This commit is contained in:
Travis Ralston 2022-06-10 09:24:15 -06:00 • committed by GitHub
parent 5b149bcffd
commit 4171c008a4
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11 changed files with 371 additions and 154 deletions
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10
test/end-to-end-tests/src/scenario.ts
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@ -25,7 +25,6 @@ import { ElementSession } from "./session";
import { RestSessionCreator } from "./rest/creator";
import { RestMultiSession } from "./rest/multi";
import { RestSession } from "./rest/session";
import { stickerScenarios } from './scenarios/sticker';
export async function scenario(createSession: (s: string) => Promise<ElementSession>,
restCreator: RestSessionCreator): Promise<void> {
@ -51,15 +50,6 @@ export async function scenario(createSession: (s: string) => Promise<ElementSess
console.log("create REST users:");
const charlies = await createRestUsers(restCreator);
await lazyLoadingScenarios(alice, bob, charlies);
// we spawn another session for stickers, partially because it involves injecting
// a custom sticker picker widget for the account, although mostly because for these
// tests to scale, they probably need to be split up more, which means running each
// scenario with it's own session (and will make it easier to find relevant logs),
// so lets move in this direction (although at some point we'll also need to start
// closing them as we go rather than leaving them all open until the end).
const stickerSession = await createSession("sally");
await stickerScenarios("sally", "ilikestickers", stickerSession, restCreator);
}
async function createRestUsers(restCreator: RestSessionCreator): Promise<RestMultiSession> {

143
test/end-to-end-tests/src/scenarios/sticker.ts
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@ -1,143 +0,0 @@
/*
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 * as http from "http";
import { AddressInfo } from "net";
import { RestSessionCreator } from "../rest/creator";
import { ElementSession } from "../session";
import { login } from "../usecases/login";
import { selectRoom } from "../usecases/select-room";
import { sendSticker } from "../usecases/send-sticker";
const STICKER_PICKER_WIDGET_ID = "fake-sticker-picker";
const ROOM_NAME_1 = "Sticker Test";
const ROOM_NAME_2 = "Sticker Test Two";
const STICKER_MESSAGE = JSON.stringify({
action: "m.sticker",
api: "fromWidget",
data: {
name: "teststicker",
description: "Test Sticker",
file: "test.png",
content: {
body: "Test Sticker",
msgtype: "m.sticker",
url: "mxc://somewhere",
},
},
requestId: "1",
widgetId: STICKER_PICKER_WIDGET_ID,
});
const WIDGET_HTML = `
<html>
<head>
<title>Fake Sticker Picker</title>
<script>
window.onmessage = ev => {
if (ev.data.action === 'capabilities') {
window.parent.postMessage(Object.assign({
response: {
capabilities: ["m.sticker"]
},
}, ev.data), '*');
}
};
</script>
</head>
<body>
<button name="Send" id="sendsticker">Press for sticker</button>
<script>
document.getElementById('sendsticker').onclick = () => {
window.parent.postMessage(${STICKER_MESSAGE}, '*')
};
</script>
</body>
</html>
`;
class WidgetServer {
private server: http.Server = null;
start() {
this.server = http.createServer(this.onRequest);
this.server.listen();
}
stop() {
this.server.close();
}
get port(): number {
return (this.server.address()as AddressInfo).port;
}
onRequest = (req: http.IncomingMessage, res: http.ServerResponse) => {
res.writeHead(200);
res.end(WIDGET_HTML);
};
}
export async function stickerScenarios(
username: string, password: string,
session: ElementSession, restCreator: RestSessionCreator,
): Promise<void> {
console.log(" making account to test stickers");
const creds = await restCreator.createSession(username, password);
// we make the room here which also approves the consent stuff
// (besides, we test creating rooms elsewhere: no need to do so again)
await creds.createRoom(ROOM_NAME_1, {});
await creds.createRoom(ROOM_NAME_2, {});
console.log(" injecting fake sticker picker");
const widgetServer = new WidgetServer();
widgetServer.start();
const stickerPickerUrl = `http://localhost:${widgetServer.port}/`;
await creds.put(`/user/${encodeURIComponent(creds.userId())}/account_data/m.widgets`, {
"fake_sticker_picker": {
content: {
type: "m.stickerpicker",
name: "Fake Stickers",
url: stickerPickerUrl,
},
id: STICKER_PICKER_WIDGET_ID,
},
});
await login(session, username, password, session.hsUrl);
session.log.startGroup(`can send a sticker`);
await selectRoom(session, ROOM_NAME_1);
await sendSticker(session);
session.log.endGroup();
// switch to another room & send another one
session.log.startGroup(`can send a sticker to another room`);
const navPromise = session.page.waitForNavigation();
await selectRoom(session, ROOM_NAME_2);
await navPromise;
await sendSticker(session);
session.log.endGroup();
widgetServer.stop();
}