mirror of https://github.com/zulip/zulip.git
513 lines
19 KiB
TypeScript
513 lines
19 KiB
TypeScript
import {strict as assert} from "assert";
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import "css.escape";
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import path from "path";
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import type {Browser, ElementHandle, Page} from "puppeteer";
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import {launch} from "puppeteer";
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import {test_credentials} from "../../var/puppeteer/test_credentials";
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const root_dir = path.resolve(__dirname, "../../");
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const puppeteer_dir = path.join(root_dir, "var/puppeteer");
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type Message = Record<string, string | boolean> & {recipient?: string; content: string};
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class CommonUtils {
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browser: Browser | null = null;
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screenshot_id = 0;
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is_firefox = process.env.PUPPETEER_PRODUCT === "firefox";
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realm_url = "http://zulip.zulipdev.com:9981/";
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pm_recipient = {
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async set(page: Page, recipient: string): Promise<void> {
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// Without using the delay option here there seems to be
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// a flake where the typeahead doesn't show up.
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await page.type("#private_message_recipient", recipient, {delay: 100});
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// We use [style*="display: block"] here to distinguish
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// the visible typeahead menu from the invisible ones
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// meant for something else; e.g., the private message
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// input typeahead is different from the topic input
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// typeahead but both can be present in the DOM.
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const entry = await page.waitForSelector(
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'.typeahead[style*="display: block"] .active a',
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{visible: true},
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);
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await entry!.click();
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},
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async expect(page: Page, expected: string): Promise<void> {
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const actual_recipients = await page.evaluate(() =>
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zulip_test.private_message_recipient(),
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);
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assert.equal(actual_recipients, expected);
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},
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};
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fullname: Record<string, string> = {
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cordelia: "Cordelia Lear",
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othello: "Othello, the Moor of Venice",
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hamlet: "King Hamlet",
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};
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window_size = {
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width: 1400,
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height: 1024,
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};
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async ensure_browser(): Promise<Browser> {
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if (this.browser === null) {
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const {window_size} = this;
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this.browser = await launch({
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args: [
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`--window-size=${window_size.width},${window_size.height}`,
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"--no-sandbox",
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"--disable-setuid-sandbox",
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],
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// TODO: Change defaultViewport to 1280x1024 when puppeteer fixes the window size issue with firefox.
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// Here is link to the issue that is tracking the above problem https://github.com/puppeteer/puppeteer/issues/6442.
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// @ts-expect-error: Because of https://github.com/puppeteer/puppeteer/issues/6885
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defaultViewport: null,
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headless: true,
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});
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}
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return this.browser;
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}
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async get_page(): Promise<Page> {
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const browser = await this.ensure_browser();
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const page = await browser.newPage();
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return page;
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}
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async screenshot(page: Page, name: string | null = null): Promise<void> {
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if (name === null) {
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name = `${this.screenshot_id}`;
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this.screenshot_id += 1;
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}
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const screenshot_path = path.join(puppeteer_dir, `${name}.png`);
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await page.screenshot({
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path: screenshot_path,
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});
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}
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async page_url_with_fragment(page: Page): Promise<string> {
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// `page.url()` does not include the url fragment when running
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// Puppeteer with Firefox: https://github.com/puppeteer/puppeteer/issues/6787.
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//
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// This function hacks around that issue; once it's fixed in
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// puppeteer upstream, we can delete this function and return
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// its callers to using `page.url()`
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return await page.evaluate("location.href");
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}
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// This function will clear the existing value of the element and
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// replace it with the text.
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async clear_and_type(page: Page, selector: string, text: string): Promise<void> {
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// Select all text currently in the element.
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await page.click(selector, {clickCount: 3});
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await page.type(selector, text);
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}
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/**
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* This function takes a params object whose fields
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* are referenced by name attribute of an input field and
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* the input as a key.
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*
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* For example to fill:
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* <form id="#demo">
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* <input type="text" name="username">
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* <input type="checkbox" name="terms">
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* </form>
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*
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* You can call:
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* common.fill_form(page, '#demo', {
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* username: 'Iago',
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* terms: true
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* });
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*/
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async fill_form(
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page: Page,
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form_selector: string,
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params: Record<string, boolean | string>,
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): Promise<void> {
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async function is_dropdown(page: Page, name: string): Promise<boolean> {
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return (await page.$(`select[name="${name}"]`)) !== null;
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}
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for (const name of Object.keys(params)) {
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const name_selector = `${form_selector} [name="${name}"]`;
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const value = params[name];
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if (typeof value === "boolean") {
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await page.$eval(
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name_selector,
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(el, value) => {
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if (el instanceof HTMLInputElement && el.checked !== value) {
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el.click();
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}
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},
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value,
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);
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} else if (await is_dropdown(page, name)) {
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if (typeof value !== "string") {
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throw new TypeError(`Expected string for ${name}`);
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}
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await page.select(name_selector, value);
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} else {
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// clear any existing text in the input field before filling.
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await page.$eval(name_selector, (el) => {
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(el as HTMLInputElement).value = "";
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});
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await page.type(name_selector, value);
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}
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}
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}
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async check_form_contents(
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page: Page,
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form_selector: string,
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params: Record<string, boolean | string>,
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): Promise<void> {
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for (const name of Object.keys(params)) {
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const name_selector = `${form_selector} [name="${name}"]`;
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const expected_value = params[name];
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if (typeof expected_value === "boolean") {
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assert.equal(
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await page.$eval(name_selector, (el) => (el as HTMLInputElement).checked),
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expected_value,
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"Form content is not as expected.",
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);
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} else {
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assert.equal(
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await page.$eval(name_selector, (el) => (el as HTMLInputElement).value),
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expected_value,
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"Form content is not as expected.",
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);
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}
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}
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}
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async get_element_text(element: ElementHandle<Element>): Promise<string> {
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return (await element.getProperty("textContent"))!.jsonValue();
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}
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async get_text_from_selector(page: Page, selector: string): Promise<string> {
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const elements = await page.$$(selector);
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const texts = await Promise.all(
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elements.map(async (element) => this.get_element_text(element)),
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);
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return texts.join("").trim();
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}
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async get_stream_id(page: Page, stream_name: string): Promise<number> {
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return await page.evaluate(
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(stream_name: string) => zulip_test.get_stream_id(stream_name),
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stream_name,
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);
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}
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async get_user_id_from_name(page: Page, name: string): Promise<number> {
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if (this.fullname[name] !== undefined) {
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name = this.fullname[name];
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}
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return await page.evaluate((name: string) => zulip_test.get_user_id_from_name(name), name);
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}
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async get_internal_email_from_name(page: Page, name: string): Promise<string> {
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if (this.fullname[name] !== undefined) {
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name = this.fullname[name];
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}
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return await page.evaluate((fullname: string) => {
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const user_id = zulip_test.get_user_id_from_name(fullname);
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return zulip_test.get_person_by_user_id(user_id).email;
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}, name);
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}
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async log_in(
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page: Page,
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credentials: {username: string; password: string} | null = null,
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): Promise<void> {
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console.log("Logging in");
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await page.goto(this.realm_url + "login/");
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assert.equal(this.realm_url + "login/", page.url());
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if (credentials === null) {
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credentials = test_credentials.default_user;
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}
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// fill login form
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const params = {
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username: credentials.username,
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password: credentials.password,
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};
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await this.fill_form(page, "#login_form", params);
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await page.$eval("#login_form", (form) => (form as HTMLFormElement).submit());
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await page.waitForSelector("#recent_topics_filter_buttons", {visible: true});
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}
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async log_out(page: Page): Promise<void> {
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await page.goto(this.realm_url);
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const menu_selector = "#settings-dropdown";
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const logout_selector = 'a[href="#logout"]';
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console.log("Logging out");
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await page.waitForSelector(menu_selector, {visible: true});
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await page.click(menu_selector);
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await page.waitForSelector(logout_selector);
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await page.click(logout_selector);
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// Wait for a email input in login page so we know login
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// page is loaded. Then check that we are at the login url.
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await page.waitForSelector('input[name="username"]');
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assert(page.url().includes("/login/"));
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}
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async ensure_enter_does_not_send(page: Page): Promise<void> {
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await page.$eval("#enter_sends", (el) => {
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if ((el as HTMLInputElement).checked) {
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(el as HTMLInputElement).click();
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}
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});
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}
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async assert_compose_box_content(page: Page, expected_value: string): Promise<void> {
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await page.waitForSelector("#compose-textarea");
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const compose_box_element = await page.$("#compose-textarea");
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const compose_box_content = await page.evaluate(
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(element: HTMLTextAreaElement) => element.value,
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compose_box_element,
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);
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assert.equal(
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compose_box_content,
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expected_value,
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`Compose box content did not match with the expected value '{${expected_value}}'`,
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);
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}
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async wait_for_fully_processed_message(page: Page, content: string): Promise<void> {
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await page.waitForFunction(
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(content: string) => {
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/*
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The tricky part about making sure that
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a message has actually been fully processed
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is that we'll "locally echo" the message
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first on the client. Until the server
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actually acks the message, the message will
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have a temporary id and will not have all
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the normal message controls.
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For the Puppeteer tests, we want to avoid all
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the edge cases with locally echoed messages.
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In order to make sure a message is processed,
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we use internals to determine the following:
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- has message_list even been updated with
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the message with out content?
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- has the locally_echoed flag been cleared?
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But for the final steps we look at the
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actual DOM (via JQuery):
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- is it visible?
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- does it look to have been
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re-rendered based on server info?
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*/
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const last_msg = current_msg_list.last();
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if (last_msg === undefined) {
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return false;
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}
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if (last_msg.raw_content !== content) {
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return false;
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}
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if (last_msg.locally_echoed) {
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return false;
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}
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const row = zulip_test.last_visible_row();
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if (zulip_test.row_id(row) !== last_msg.id) {
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return false;
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}
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/*
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Make sure the message is completely
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re-rendered from its original "local echo"
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version by looking for the star icon. We
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don't add the star icon until the server
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responds.
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*/
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return row.find(".star").length === 1;
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},
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{},
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content,
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);
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}
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// Wait for any previous send to finish, then send a message.
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async send_message(page: Page, type: "stream" | "private", params: Message): Promise<void> {
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// If a message is outside the view, we do not need
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// to wait for it to be processed later.
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const outside_view = params.outside_view;
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delete params.outside_view;
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// Compose box content should be empty before sending the message.
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await this.assert_compose_box_content(page, "");
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if (type === "stream") {
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await page.keyboard.press("KeyC");
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} else if (type === "private") {
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await page.keyboard.press("KeyX");
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const recipients = params.recipient!.split(", ");
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for (const recipient of recipients) {
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await this.pm_recipient.set(page, recipient);
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}
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delete params.recipient;
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} else {
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assert.fail("`send_message` got invalid message type");
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}
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if (params.stream) {
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params.stream_message_recipient_stream = params.stream;
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delete params.stream;
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}
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if (params.topic) {
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params.stream_message_recipient_topic = params.topic;
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delete params.topic;
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}
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await this.fill_form(page, 'form[action^="/json/messages"]', params);
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await this.assert_compose_box_content(page, params.content);
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await this.ensure_enter_does_not_send(page);
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await page.waitForSelector("#compose-send-button", {visible: true});
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await page.click("#compose-send-button");
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// Sending should clear compose box content.
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await this.assert_compose_box_content(page, "");
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if (!outside_view) {
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await this.wait_for_fully_processed_message(page, params.content);
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}
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// Close the compose box after sending the message.
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await page.evaluate(() => zulip_test.cancel_compose());
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// Make sure the compose box is closed.
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await page.waitForSelector("#compose-textarea", {hidden: true});
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}
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async send_multiple_messages(page: Page, msgs: Message[]): Promise<void> {
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for (const msg of msgs) {
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await this.send_message(page, msg.stream !== undefined ? "stream" : "private", msg);
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}
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}
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/**
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* This method returns a array, which is formmated as:
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* [
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* ['stream > topic', ['message 1', 'message 2']],
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* ['You and Cordelia Lear', ['message 1', 'message 2']]
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* ]
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*
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* The messages are sorted chronologically.
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*/
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async get_rendered_messages(page: Page, table = "zhome"): Promise<[string, string[]][]> {
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const recipient_rows = await page.$$(`#${CSS.escape(table)} .recipient_row`);
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return Promise.all(
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recipient_rows.map(
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async (element): Promise<[string, string[]]> => {
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const stream_label = await element.$(".stream_label");
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const stream_name = (await this.get_element_text(stream_label!)).trim();
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const topic_label = await element.$(".stream_topic a");
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const topic_name =
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topic_label === null
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? ""
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: (await this.get_element_text(topic_label)).trim();
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let key = stream_name;
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if (topic_name !== "") {
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// If topic_name is '' then this is PMs, so only
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// append > topic_name if we are not in PMs or Group PMs.
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key = `${stream_name} > ${topic_name}`;
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}
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const messages = await Promise.all(
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(
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await element.$$(".message_row .message_content")
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).map(async (message_row) =>
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(await this.get_element_text(message_row)).trim(),
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),
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);
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return [key, messages];
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},
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),
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);
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}
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// This method takes in page, table to fetch the messages
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// from, and expected messages. The format of expected
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// message is { "stream > topic": [messages] }.
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// The method will only check that all the messages in the
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// messages array passed exist in the order they are passed.
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async check_messages_sent(
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page: Page,
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table: string,
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messages: [string, string[]][],
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): Promise<void> {
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await page.waitForSelector(`#${CSS.escape(table)}`, {visible: true});
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const rendered_messages = await this.get_rendered_messages(page, table);
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// We only check the last n messages because if we run
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// the test with --interactive there will be duplicates.
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const last_n_messages = rendered_messages.slice(-messages.length);
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assert.deepStrictEqual(last_n_messages, messages);
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}
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async manage_organization(page: Page): Promise<void> {
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const menu_selector = "#settings-dropdown";
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await page.waitForSelector(menu_selector, {visible: true});
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await page.click(menu_selector);
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const organization_settings = 'a[href="#organization"]';
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await page.click(organization_settings);
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await page.waitForSelector("#settings_overlay_container.show", {visible: true});
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const url = await this.page_url_with_fragment(page);
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assert(/^http:\/\/[^/]+\/#organization/.test(url), "Unexpected manage organization URL");
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const organization_settings_data_section = "li[data-section='organization-settings']";
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await page.click(organization_settings_data_section);
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}
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async select_item_via_typeahead(
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page: Page,
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field_selector: string,
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str: string,
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item: string,
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): Promise<void> {
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console.log(`Looking in ${field_selector} to select ${str}, ${item}`);
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await this.clear_and_type(page, field_selector, str);
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const entry = await page.waitForXPath(
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`//*[@class="typeahead dropdown-menu" and contains(@style, "display: block")]//li[contains(normalize-space(), "${item}")]//a`,
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);
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await entry!.click();
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}
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async run_test(test_function: (page: Page) => Promise<void>): Promise<void> {
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// Pass a page instance to test so we can take
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// a screenshot of it when the test fails.
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const browser = await this.ensure_browser();
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const page = await this.get_page();
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try {
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await test_function(page);
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} catch (error: unknown) {
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console.log(error);
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// Take a screenshot, and increment the screenshot_id.
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await this.screenshot(page, `failure-${this.screenshot_id}`);
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this.screenshot_id += 1;
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await browser.close();
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process.exit(1);
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} finally {
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await browser.close();
|
|
}
|
|
}
|
|
}
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export default new CommonUtils();
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