factor out low-dependency browser test code useful for grist-widget (#576)
It would be useful to write browser tests that use Grist for some of our other repositories (e.g. grist-widget, grist-static). This is a first baby step to factor out some useful code that has no code dependencies beyond mocha-webdriver, for use in grist-widget.pull/587/head
Paul Fitzpatrick
10 months ago
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GitHub
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commit
b054594840
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/**
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* Utilities that simplify writing browser tests against Grist, which
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* have only mocha-webdriver as a code dependency. Separated out to
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* make easier to borrow for grist-widget repo.
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*
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* If you are seeing this code outside the grist-core repo, please don't
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* edit it, it is just a copy and local changes will prevent updating it
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* easily.
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*/
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import { WebDriver, WebElement } from 'mocha-webdriver';
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type SectionTypes = 'Table'|'Card'|'Card List'|'Chart'|'Custom';
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export class GristWebDriverUtils {
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public constructor(public driver: WebDriver) {
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}
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public isSidePanelOpen(which: 'right'|'left'): Promise<boolean> {
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return this.driver.find(`.test-${which}-panel`).matches('[class*=-open]');
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}
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/**
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* Waits for all pending comm requests from the client to the doc worker to complete. This taps into
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* Grist's communication object in the browser to get the count of pending requests.
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*
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* Simply call this after some request has been made, and when it resolves, you know that request
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* has been processed.
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* @param optTimeout: Timeout in ms, defaults to 2000.
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*/
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public async waitForServer(optTimeout: number = 2000) {
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await this.driver.wait(() => this.driver.executeScript(
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"return window.gristApp && (!window.gristApp.comm || !window.gristApp.comm.hasActiveRequests())"
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+ " && window.gristApp.testNumPendingApiRequests() === 0",
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optTimeout,
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"Timed out waiting for server requests to complete"
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));
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}
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public async waitForSidePanel() {
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// 0.4 is the duration of the transition setup in app/client/ui/PagePanels.ts for opening the
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// side panes
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const transitionDuration = 0.4;
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// let's add an extra delay of 0.1 for even more robustness
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const delta = 0.1;
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await this.driver.sleep((transitionDuration + delta) * 1000);
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}
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/*
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* Toggles (opens or closes) the right or left panel and wait for the transition to complete. An optional
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* argument can specify the desired state.
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*/
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public async toggleSidePanel(which: 'right'|'left', goal: 'open'|'close'|'toggle' = 'toggle') {
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if ((goal === 'open' && await this.isSidePanelOpen(which)) ||
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(goal === 'close' && !await this.isSidePanelOpen(which))) {
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return;
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}
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// Adds '-ns' when narrow screen
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const suffix = (await this.getWindowDimensions()).width < 768 ? '-ns' : '';
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// click the opener and wait for the duration of the transition
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await this.driver.find(`.test-${which}-opener${suffix}`).doClick();
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await this.waitForSidePanel();
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}
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/**
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* Gets browser window dimensions.
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*/
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public async getWindowDimensions(): Promise<WindowDimensions> {
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const {width, height} = await this.driver.manage().window().getRect();
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return {width, height};
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}
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// Add a new widget to the current page using the 'Add New' menu.
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public async addNewSection(
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typeRe: RegExp|SectionTypes, tableRe: RegExp|string, options?: PageWidgetPickerOptions
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) {
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// Click the 'Add widget to page' entry in the 'Add New' menu
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await this.driver.findWait('.test-dp-add-new', 2000).doClick();
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await this.driver.findWait('.test-dp-add-widget-to-page', 500).doClick();
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// add widget
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await this.selectWidget(typeRe, tableRe, options);
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}
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// Select type and table that matches respectively typeRe and tableRe and save. The widget picker
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// must be already opened when calling this function.
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public async selectWidget(
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typeRe: RegExp|string,
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tableRe: RegExp|string = '',
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options: PageWidgetPickerOptions = {}
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) {
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const driver = this.driver;
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if (options.dismissTips) { await this.dismissBehavioralPrompts(); }
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// select right type
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await driver.findContent('.test-wselect-type', typeRe).doClick();
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if (options.dismissTips) { await this.dismissBehavioralPrompts(); }
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if (tableRe) {
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const tableEl = driver.findContent('.test-wselect-table', tableRe);
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// unselect all selected columns
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for (const col of (await driver.findAll('.test-wselect-column[class*=-selected]'))) {
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await col.click();
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}
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// let's select table
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await tableEl.click();
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if (options.dismissTips) { await this.dismissBehavioralPrompts(); }
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const pivotEl = tableEl.find('.test-wselect-pivot');
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if (await pivotEl.isPresent()) {
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await this.toggleSelectable(pivotEl, Boolean(options.summarize));
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}
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if (options.summarize) {
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for (const columnEl of await driver.findAll('.test-wselect-column')) {
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const label = await columnEl.getText();
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// TODO: Matching cols with regexp calls for trouble and adds no value. I think function should be
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// rewritten using string matching only.
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const goal = Boolean(options.summarize.find(r => label.match(r)));
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await this.toggleSelectable(columnEl, goal);
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}
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}
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if (options.selectBy) {
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// select link
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await driver.find('.test-wselect-selectby').doClick();
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await driver.findContent('.test-wselect-selectby option', options.selectBy).doClick();
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}
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}
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if (options.dontAdd) {
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return;
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}
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// add the widget
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await driver.find('.test-wselect-addBtn').doClick();
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// if we selected a new table, there will be a popup for a name
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const prompts = await driver.findAll(".test-modal-prompt");
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const prompt = prompts[0];
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if (prompt) {
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if (options.tableName) {
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await prompt.doClear();
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await prompt.click();
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await driver.sendKeys(options.tableName);
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}
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await driver.find(".test-modal-confirm").click();
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}
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await this.waitForServer();
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}
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/**
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* Dismisses all behavioral prompts that are present.
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*/
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public async dismissBehavioralPrompts() {
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let i = 0;
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const max = 10;
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// Keep dismissing prompts until there are no more, up to a maximum of 10 times.
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while (i < max && await this.driver.find('.test-behavioral-prompt').isPresent()) {
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await this.driver.find('.test-behavioral-prompt-dismiss').click();
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await this.waitForServer();
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i += 1;
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}
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}
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/**
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* Toggle elem if not selected. Expects elem to be clickable and to have a class ending with
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* -selected when selected.
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*/
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public async toggleSelectable(elem: WebElement, goal: boolean) {
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const isSelected = await elem.matches('[class*=-selected]');
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if (goal !== isSelected) {
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await elem.click();
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}
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}
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public async waitToPass(check: () => Promise<void>, timeMs: number = 4000) {
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try {
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let delay: number = 10;
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await this.driver.wait(async () => {
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try {
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await check();
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} catch (e) {
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// Throttle operations a little bit.
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await this.driver.sleep(delay);
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if (delay < 50) { delay += 10; }
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return false;
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}
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return true;
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}, timeMs);
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} catch (e) {
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await check();
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}
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}
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}
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export interface WindowDimensions {
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width: number;
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height: number;
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}
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export interface PageWidgetPickerOptions {
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tableName?: string;
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/** Optional pattern of SELECT BY option to pick. */
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selectBy?: RegExp|string;
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/** Optional list of patterns to match Group By columns. */
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summarize?: (RegExp|string)[];
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/** If true, configure the widget selection without actually adding to the page. */
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dontAdd?: boolean;
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/** If true, dismiss any tooltips that are shown. */
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dismissTips?: boolean;
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}
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