gristlabs_grist-core/test/nbrowser/gristWebDriverUtils.ts

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/**
* Utilities that simplify writing browser tests against Grist, which
* have only mocha-webdriver as a code dependency. Separated out to
* make easier to borrow for grist-widget repo.
*
* If you are seeing this code outside the grist-core repo, please don't
* edit it, it is just a copy and local changes will prevent updating it
* easily.
*/
import { WebDriver, WebElement } from 'mocha-webdriver';
type SectionTypes = 'Table'|'Card'|'Card List'|'Chart'|'Custom';
export class GristWebDriverUtils {
public constructor(public driver: WebDriver) {
}
public isSidePanelOpen(which: 'right'|'left'): Promise<boolean> {
return this.driver.find(`.test-${which}-panel`).matches('[class*=-open]');
}
/**
* Waits for all pending comm requests from the client to the doc worker to complete. This taps into
* Grist's communication object in the browser to get the count of pending requests.
*
* Simply call this after some request has been made, and when it resolves, you know that request
* has been processed.
* @param optTimeout: Timeout in ms, defaults to 2000.
*/
public async waitForServer(optTimeout: number = 2000) {
await this.driver.wait(() => this.driver.executeScript(
"return window.gristApp && (!window.gristApp.comm || !window.gristApp.comm.hasActiveRequests())"
+ " && window.gristApp.testNumPendingApiRequests() === 0",
optTimeout,
"Timed out waiting for server requests to complete"
));
}
public async waitForSidePanel() {
// 0.4 is the duration of the transition setup in app/client/ui/PagePanels.ts for opening the
// side panes
const transitionDuration = 0.4;
// let's add an extra delay of 0.1 for even more robustness
const delta = 0.1;
await this.driver.sleep((transitionDuration + delta) * 1000);
}
/*
* Toggles (opens or closes) the right or left panel and wait for the transition to complete. An optional
* argument can specify the desired state.
*/
public async toggleSidePanel(which: 'right'|'left', goal: 'open'|'close'|'toggle' = 'toggle') {
if ((goal === 'open' && await this.isSidePanelOpen(which)) ||
(goal === 'close' && !await this.isSidePanelOpen(which))) {
return;
}
// Adds '-ns' when narrow screen
const suffix = (await this.getWindowDimensions()).width < 768 ? '-ns' : '';
// click the opener and wait for the duration of the transition
await this.driver.find(`.test-${which}-opener${suffix}`).doClick();
await this.waitForSidePanel();
}
/**
* Gets browser window dimensions.
*/
public async getWindowDimensions(): Promise<WindowDimensions> {
const {width, height} = await this.driver.manage().window().getRect();
return {width, height};
}
// Add a new widget to the current page using the 'Add New' menu.
public async addNewSection(
typeRe: RegExp|SectionTypes, tableRe: RegExp|string, options?: PageWidgetPickerOptions
) {
// Click the 'Add widget to page' entry in the 'Add New' menu
await this.driver.findWait('.test-dp-add-new', 2000).doClick();
await this.driver.findWait('.test-dp-add-widget-to-page', 500).doClick();
// add widget
await this.selectWidget(typeRe, tableRe, options);
}
// Select type and table that matches respectively typeRe and tableRe and save. The widget picker
// must be already opened when calling this function.
public async selectWidget(
typeRe: RegExp|string,
tableRe: RegExp|string = '',
options: PageWidgetPickerOptions = {}
) {
const driver = this.driver;
if (options.dismissTips) { await this.dismissBehavioralPrompts(); }
// select right type
await driver.findContent('.test-wselect-type', typeRe).doClick();
if (options.dismissTips) { await this.dismissBehavioralPrompts(); }
if (tableRe) {
const tableEl = driver.findContent('.test-wselect-table', tableRe);
// unselect all selected columns
for (const col of (await driver.findAll('.test-wselect-column[class*=-selected]'))) {
await col.click();
}
// let's select table
await tableEl.click();
if (options.dismissTips) { await this.dismissBehavioralPrompts(); }
const pivotEl = tableEl.find('.test-wselect-pivot');
if (await pivotEl.isPresent()) {
await this.toggleSelectable(pivotEl, Boolean(options.summarize));
}
if (options.summarize) {
for (const columnEl of await driver.findAll('.test-wselect-column')) {
const label = await columnEl.getText();
// TODO: Matching cols with regexp calls for trouble and adds no value. I think function should be
// rewritten using string matching only.
const goal = Boolean(options.summarize.find(r => label.match(r)));
await this.toggleSelectable(columnEl, goal);
}
}
if (options.selectBy) {
// select link
await driver.find('.test-wselect-selectby').doClick();
await driver.findContent('.test-wselect-selectby option', options.selectBy).doClick();
}
}
if (options.dontAdd) {
return;
}
// add the widget
await driver.find('.test-wselect-addBtn').doClick();
// if we selected a new table, there will be a popup for a name
const prompts = await driver.findAll(".test-modal-prompt");
const prompt = prompts[0];
if (prompt) {
if (options.tableName) {
await prompt.doClear();
await prompt.click();
await driver.sendKeys(options.tableName);
}
await driver.find(".test-modal-confirm").click();
}
await this.waitForServer();
}
/**
* Dismisses all behavioral prompts that are present.
*/
public async dismissBehavioralPrompts() {
let i = 0;
const max = 10;
// Keep dismissing prompts until there are no more, up to a maximum of 10 times.
while (i < max && await this.driver.find('.test-behavioral-prompt').isPresent()) {
await this.driver.find('.test-behavioral-prompt-dismiss').click();
await this.waitForServer();
i += 1;
}
}
/**
* Toggle elem if not selected. Expects elem to be clickable and to have a class ending with
* -selected when selected.
*/
public async toggleSelectable(elem: WebElement, goal: boolean) {
const isSelected = await elem.matches('[class*=-selected]');
if (goal !== isSelected) {
await elem.click();
}
}
public async waitToPass(check: () => Promise<void>, timeMs: number = 4000) {
try {
let delay: number = 10;
await this.driver.wait(async () => {
try {
await check();
} catch (e) {
// Throttle operations a little bit.
await this.driver.sleep(delay);
if (delay < 50) { delay += 10; }
return false;
}
return true;
}, timeMs);
} catch (e) {
await check();
}
}
/**
* Refresh browser and dismiss alert that is shown (for refreshing during edits).
*/
public async refreshDismiss() {
await this.driver.navigate().refresh();
await this.acceptAlert();
await this.waitForDocToLoad();
}
/**
* Accepts an alert.
*/
public async acceptAlert() {
await (await this.driver.switchTo().alert()).accept();
}
/**
* Returns whether an alert is shown.
*/
public async isAlertShown() {
try {
await this.driver.switchTo().alert();
return true;
} catch {
return false;
}
}
/**
* Wait for the doc to be loaded, to the point of finishing fetch for the data on the current
* page. If you navigate from a doc page, use e.g. waitForUrl() before waitForDocToLoad() to
* ensure you are checking the new page and not the old.
*/
public async waitForDocToLoad(timeoutMs: number = 10000): Promise<void> {
await this.driver.findWait('.viewsection_title', timeoutMs);
await this.waitForServer();
}
public async reloadDoc() {
await this.driver.navigate().refresh();
await this.waitForDocToLoad();
}
}
export interface WindowDimensions {
width: number;
height: number;
}
export interface PageWidgetPickerOptions {
tableName?: string;
/** Optional pattern of SELECT BY option to pick. */
selectBy?: RegExp|string;
/** Optional list of patterns to match Group By columns. */
summarize?: (RegExp|string)[];
/** If true, configure the widget selection without actually adding to the page. */
dontAdd?: boolean;
/** If true, dismiss any tooltips that are shown. */
dismissTips?: boolean;
}