mirror of https://github.com/zulip/zulip.git
55 lines
2.2 KiB
TypeScript
55 lines
2.2 KiB
TypeScript
|
import type {ElementHandle, Page} from "puppeteer";
|
||
|
|
|
||
|
|
import common from "../puppeteer_lib/common";
|
||
|
|
|
||
|
|
async function test_subscription_button(page: Page): Promise<void> {
|
||
|
|
const stream_selector = "[data-stream-name='Venice']";
|
||
|
|
const button_selector = `${stream_selector} .sub_unsub_button`;
|
||
|
|
const subscribed_selector = `${button_selector}.checked`;
|
||
|
|
const unsubscribed_selector = `${button_selector}:not(.checked)`;
|
||
|
|
|
||
|
|
async function subscribed(): Promise<ElementHandle | null> {
|
||
|
|
return await page.waitForSelector(subscribed_selector, {visible: true});
|
||
|
|
}
|
||
|
|
|
||
|
|
async function unsubscribed(): Promise<ElementHandle | null> {
|
||
|
|
return await page.waitForSelector(unsubscribed_selector, {visible: true});
|
||
|
|
}
|
||
|
|
|
||
|
|
// Make sure that Venice is even in our list of streams.
|
||
|
|
await page.waitForSelector(stream_selector, {visible: true});
|
||
|
|
await page.waitForSelector(button_selector, {visible: true});
|
||
|
|
|
||
|
|
// Note that we intentionally re-find the button after each click, since
|
||
|
|
// the live-update code may replace the whole row.
|
||
|
|
let button;
|
||
|
|
|
||
|
|
// We assume Venice is already subscribed, so the first line here
|
||
|
|
// should happen immediately.
|
||
|
|
button = await subscribed();
|
||
|
|
|
||
|
|
// Toggle subscriptions several times. This test code has been known
|
||
|
|
// to flake, so we add console statements. It appears that the console
|
||
|
|
// statements help prevent the flake, which is probably caused by some
|
||
|
|
// subtle race condition. We will hopefully diagnose the root cause of
|
||
|
|
// the flake, but I am confident that the test will mostly catch actual
|
||
|
|
// bugs in the real code, so as long as the console.info statements help
|
||
|
|
// here, we should just leave them in.
|
||
|
|
for (let i = 0; i < 10; i += 1) {
|
||
|
|
console.info(`\n unsubscribe/subscribe loop ${i}\n\n`);
|
||
|
|
await button!.click();
|
||
|
|
button = await unsubscribed();
|
||
|
|
await button!.click();
|
||
|
|
button = await subscribed();
|
||
|
|
console.info(`\n end loop ${i}\n\n`);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
async function subscriptions_tests(page: Page): Promise<void> {
|
||
|
|
await common.log_in(page);
|
||
|
|
await common.open_streams_modal(page);
|
||
|
|
await test_subscription_button(page);
|
||
|
|
}
|
||
|
|
|
||
|
|
common.run_test(subscriptions_tests);
|