433 lines
17 KiB
TypeScript

/**
* Copyright (c) Microsoft Corporation.
*
* 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 type * as structs from '../../types/structs';
import type * as api from '../../types/types';
import type * as channels from '@protocol/channels';
import * as util from 'util';
import { asLocator, isString, monotonicTime } from '../utils';
import { ElementHandle } from './elementHandle';
import type { Frame } from './frame';
import type { FilePayload, FrameExpectOptions, Rect, SelectOption, SelectOptionOptions, TimeoutOptions } from './types';
import { parseResult, serializeArgument } from './jsHandle';
import { escapeForTextSelector } from '../utils/isomorphic/stringUtils';
import type { ByRoleOptions } from '../utils/isomorphic/locatorUtils';
import { getByAltTextSelector, getByLabelSelector, getByPlaceholderSelector, getByRoleSelector, getByTestIdSelector, getByTextSelector, getByTitleSelector } from '../utils/isomorphic/locatorUtils';
export type LocatorOptions = {
hasText?: string | RegExp;
hasNotText?: string | RegExp;
has?: Locator;
hasNot?: Locator;
};
export class Locator implements api.Locator {
_frame: Frame;
_selector: string;
constructor(frame: Frame, selector: string, options?: LocatorOptions) {
this._frame = frame;
this._selector = selector;
if (options?.hasText)
this._selector += ` >> internal:has-text=${escapeForTextSelector(options.hasText, false)}`;
if (options?.hasNotText)
this._selector += ` >> internal:has-not-text=${escapeForTextSelector(options.hasNotText, false)}`;
if (options?.has) {
const locator = options.has;
if (locator._frame !== frame)
throw new Error(`Inner "has" locator must belong to the same frame.`);
this._selector += ` >> internal:has=` + JSON.stringify(locator._selector);
}
if (options?.hasNot) {
const locator = options.hasNot;
if (locator._frame !== frame)
throw new Error(`Inner "hasNot" locator must belong to the same frame.`);
this._selector += ` >> internal:has-not=` + JSON.stringify(locator._selector);
}
}
private async _withElement<R>(task: (handle: ElementHandle<SVGElement | HTMLElement>, timeout?: number) => Promise<R>, timeout?: number): Promise<R> {
timeout = this._frame.page()._timeoutSettings.timeout({ timeout });
const deadline = timeout ? monotonicTime() + timeout : 0;
return await this._frame._wrapApiCall<R>(async () => {
const result = await this._frame._channel.waitForSelector({ selector: this._selector, strict: true, state: 'attached', timeout });
const handle = ElementHandle.fromNullable(result.element) as ElementHandle<SVGElement | HTMLElement> | null;
if (!handle)
throw new Error(`Could not resolve ${this._selector} to DOM Element`);
try {
return await task(handle, deadline ? deadline - monotonicTime() : 0);
} finally {
await handle.dispose();
}
});
}
page() {
return this._frame.page();
}
async boundingBox(options?: TimeoutOptions): Promise<Rect | null> {
return await this._withElement(h => h.boundingBox(), options?.timeout);
}
async check(options: channels.ElementHandleCheckOptions = {}) {
return await this._frame.check(this._selector, { strict: true, ...options });
}
async click(options: channels.ElementHandleClickOptions = {}): Promise<void> {
return await this._frame.click(this._selector, { strict: true, ...options });
}
async dblclick(options: channels.ElementHandleDblclickOptions = {}): Promise<void> {
return await this._frame.dblclick(this._selector, { strict: true, ...options });
}
async dispatchEvent(type: string, eventInit: Object = {}, options?: TimeoutOptions) {
return await this._frame.dispatchEvent(this._selector, type, eventInit, { strict: true, ...options });
}
async dragTo(target: Locator, options: channels.FrameDragAndDropOptions = {}) {
return await this._frame.dragAndDrop(this._selector, target._selector, {
strict: true,
...options,
});
}
async evaluate<R, Arg>(pageFunction: structs.PageFunctionOn<SVGElement | HTMLElement, Arg, R>, arg?: Arg, options?: TimeoutOptions): Promise<R> {
return await this._withElement(h => h.evaluate(pageFunction, arg), options?.timeout);
}
async evaluateAll<R, Arg>(pageFunction: structs.PageFunctionOn<Element[], Arg, R>, arg?: Arg): Promise<R> {
return await this._frame.$$eval(this._selector, pageFunction, arg);
}
async evaluateHandle<R, Arg>(pageFunction: structs.PageFunctionOn<any, Arg, R>, arg?: Arg, options?: TimeoutOptions): Promise<structs.SmartHandle<R>> {
return await this._withElement(h => h.evaluateHandle(pageFunction, arg), options?.timeout);
}
async fill(value: string, options: channels.ElementHandleFillOptions = {}): Promise<void> {
return await this._frame.fill(this._selector, value, { strict: true, ...options });
}
async clear(options: channels.ElementHandleFillOptions = {}): Promise<void> {
return await this.fill('', options);
}
async _highlight() {
// VS Code extension uses this one, keep it for now.
return await this._frame._highlight(this._selector);
}
async highlight() {
return await this._frame._highlight(this._selector);
}
locator(selectorOrLocator: string | Locator, options?: LocatorOptions): Locator {
if (isString(selectorOrLocator))
return new Locator(this._frame, this._selector + ' >> ' + selectorOrLocator, options);
if (selectorOrLocator._frame !== this._frame)
throw new Error(`Locators must belong to the same frame.`);
return new Locator(this._frame, this._selector + ' >> internal:chain=' + JSON.stringify(selectorOrLocator._selector), options);
}
getByTestId(testId: string | RegExp): Locator {
return this.locator(getByTestIdSelector(testIdAttributeName(), testId));
}
getByAltText(text: string | RegExp, options?: { exact?: boolean }): Locator {
return this.locator(getByAltTextSelector(text, options));
}
getByLabel(text: string | RegExp, options?: { exact?: boolean }): Locator {
return this.locator(getByLabelSelector(text, options));
}
getByPlaceholder(text: string | RegExp, options?: { exact?: boolean }): Locator {
return this.locator(getByPlaceholderSelector(text, options));
}
getByText(text: string | RegExp, options?: { exact?: boolean }): Locator {
return this.locator(getByTextSelector(text, options));
}
getByTitle(text: string | RegExp, options?: { exact?: boolean }): Locator {
return this.locator(getByTitleSelector(text, options));
}
getByRole(role: string, options: ByRoleOptions = {}): Locator {
return this.locator(getByRoleSelector(role, options));
}
frameLocator(selector: string): FrameLocator {
return new FrameLocator(this._frame, this._selector + ' >> ' + selector);
}
filter(options?: LocatorOptions): Locator {
return new Locator(this._frame, this._selector, options);
}
async elementHandle(options?: TimeoutOptions): Promise<ElementHandle<SVGElement | HTMLElement>> {
return await this._frame.waitForSelector(this._selector, { strict: true, state: 'attached', ...options })!;
}
async elementHandles(): Promise<api.ElementHandle<SVGElement | HTMLElement>[]> {
return await this._frame.$$(this._selector);
}
first(): Locator {
return new Locator(this._frame, this._selector + ' >> nth=0');
}
last(): Locator {
return new Locator(this._frame, this._selector + ` >> nth=-1`);
}
nth(index: number): Locator {
return new Locator(this._frame, this._selector + ` >> nth=${index}`);
}
and(locator: Locator): Locator {
if (locator._frame !== this._frame)
throw new Error(`Locators must belong to the same frame.`);
return new Locator(this._frame, this._selector + ` >> internal:and=` + JSON.stringify(locator._selector));
}
or(locator: Locator): Locator {
if (locator._frame !== this._frame)
throw new Error(`Locators must belong to the same frame.`);
return new Locator(this._frame, this._selector + ` >> internal:or=` + JSON.stringify(locator._selector));
}
async focus(options?: TimeoutOptions): Promise<void> {
return await this._frame.focus(this._selector, { strict: true, ...options });
}
async blur(options?: TimeoutOptions): Promise<void> {
await this._frame._channel.blur({ selector: this._selector, strict: true, ...options });
}
async count(): Promise<number> {
return await this._frame._queryCount(this._selector);
}
async getAttribute(name: string, options?: TimeoutOptions): Promise<string | null> {
return await this._frame.getAttribute(this._selector, name, { strict: true, ...options });
}
async hover(options: channels.ElementHandleHoverOptions = {}): Promise<void> {
return await this._frame.hover(this._selector, { strict: true, ...options });
}
async innerHTML(options?: TimeoutOptions): Promise<string> {
return await this._frame.innerHTML(this._selector, { strict: true, ...options });
}
async innerText(options?: TimeoutOptions): Promise<string> {
return await this._frame.innerText(this._selector, { strict: true, ...options });
}
async inputValue(options?: TimeoutOptions): Promise<string> {
return await this._frame.inputValue(this._selector, { strict: true, ...options });
}
async isChecked(options?: TimeoutOptions): Promise<boolean> {
return await this._frame.isChecked(this._selector, { strict: true, ...options });
}
async isDisabled(options?: TimeoutOptions): Promise<boolean> {
return await this._frame.isDisabled(this._selector, { strict: true, ...options });
}
async isEditable(options?: TimeoutOptions): Promise<boolean> {
return await this._frame.isEditable(this._selector, { strict: true, ...options });
}
async isEnabled(options?: TimeoutOptions): Promise<boolean> {
return await this._frame.isEnabled(this._selector, { strict: true, ...options });
}
async isHidden(options?: TimeoutOptions): Promise<boolean> {
return await this._frame.isHidden(this._selector, { strict: true, ...options });
}
async isVisible(options?: TimeoutOptions): Promise<boolean> {
return await this._frame.isVisible(this._selector, { strict: true, ...options });
}
async press(key: string, options: channels.ElementHandlePressOptions = {}): Promise<void> {
return await this._frame.press(this._selector, key, { strict: true, ...options });
}
async screenshot(options: Omit<channels.ElementHandleScreenshotOptions, 'mask'> & { path?: string, mask?: Locator[] } = {}): Promise<Buffer> {
return await this._withElement((h, timeout) => h.screenshot({ ...options, timeout }), options.timeout);
}
async scrollIntoViewIfNeeded(options: channels.ElementHandleScrollIntoViewIfNeededOptions = {}) {
return await this._withElement((h, timeout) => h.scrollIntoViewIfNeeded({ ...options, timeout }), options.timeout);
}
async selectOption(values: string | api.ElementHandle | SelectOption | string[] | api.ElementHandle[] | SelectOption[] | null, options: SelectOptionOptions = {}): Promise<string[]> {
return await this._frame.selectOption(this._selector, values, { strict: true, ...options });
}
async selectText(options: channels.ElementHandleSelectTextOptions = {}): Promise<void> {
return await this._withElement((h, timeout) => h.selectText({ ...options, timeout }), options.timeout);
}
async setChecked(checked: boolean, options?: channels.ElementHandleCheckOptions) {
if (checked)
await this.check(options);
else
await this.uncheck(options);
}
async setInputFiles(files: string | FilePayload | string[] | FilePayload[], options: channels.ElementHandleSetInputFilesOptions = {}) {
return await this._frame.setInputFiles(this._selector, files, { strict: true, ...options });
}
async tap(options: channels.ElementHandleTapOptions = {}): Promise<void> {
return await this._frame.tap(this._selector, { strict: true, ...options });
}
async textContent(options?: TimeoutOptions): Promise<string | null> {
return await this._frame.textContent(this._selector, { strict: true, ...options });
}
async type(text: string, options: channels.ElementHandleTypeOptions = {}): Promise<void> {
return await this._frame.type(this._selector, text, { strict: true, ...options });
}
async pressSequentially(text: string, options: channels.ElementHandleTypeOptions = {}): Promise<void> {
return await this.type(text, options);
}
async uncheck(options: channels.ElementHandleUncheckOptions = {}) {
return await this._frame.uncheck(this._selector, { strict: true, ...options });
}
async all(): Promise<Locator[]> {
return new Array(await this.count()).fill(0).map((e, i) => this.nth(i));
}
async allInnerTexts(): Promise<string[]> {
return await this._frame.$$eval(this._selector, ee => ee.map(e => (e as HTMLElement).innerText));
}
async allTextContents(): Promise<string[]> {
return await this._frame.$$eval(this._selector, ee => ee.map(e => e.textContent || ''));
}
waitFor(options: channels.FrameWaitForSelectorOptions & { state: 'attached' | 'visible' }): Promise<void>;
waitFor(options?: channels.FrameWaitForSelectorOptions): Promise<void>;
async waitFor(options?: channels.FrameWaitForSelectorOptions): Promise<void> {
await this._frame._channel.waitForSelector({ selector: this._selector, strict: true, omitReturnValue: true, ...options });
}
async _expect(expression: string, options: Omit<FrameExpectOptions, 'expectedValue'> & { expectedValue?: any }): Promise<{ matches: boolean, received?: any, log?: string[], timedOut?: boolean }> {
const params: channels.FrameExpectParams = { selector: this._selector, expression, ...options, isNot: !!options.isNot };
params.expectedValue = serializeArgument(options.expectedValue);
const result = (await this._frame._channel.expect(params));
if (result.received !== undefined)
result.received = parseResult(result.received);
return result;
}
[util.inspect.custom]() {
return this.toString();
}
toString() {
return asLocator('javascript', this._selector);
}
}
export class FrameLocator implements api.FrameLocator {
private _frame: Frame;
private _frameSelector: string;
constructor(frame: Frame, selector: string) {
this._frame = frame;
this._frameSelector = selector;
}
locator(selectorOrLocator: string | Locator, options?: LocatorOptions): Locator {
if (isString(selectorOrLocator))
return new Locator(this._frame, this._frameSelector + ' >> internal:control=enter-frame >> ' + selectorOrLocator, options);
if (selectorOrLocator._frame !== this._frame)
throw new Error(`Locators must belong to the same frame.`);
return new Locator(this._frame, this._frameSelector + ' >> internal:control=enter-frame >> ' + selectorOrLocator._selector, options);
}
getByTestId(testId: string | RegExp): Locator {
return this.locator(getByTestIdSelector(testIdAttributeName(), testId));
}
getByAltText(text: string | RegExp, options?: { exact?: boolean }): Locator {
return this.locator(getByAltTextSelector(text, options));
}
getByLabel(text: string | RegExp, options?: { exact?: boolean }): Locator {
return this.locator(getByLabelSelector(text, options));
}
getByPlaceholder(text: string | RegExp, options?: { exact?: boolean }): Locator {
return this.locator(getByPlaceholderSelector(text, options));
}
getByText(text: string | RegExp, options?: { exact?: boolean }): Locator {
return this.locator(getByTextSelector(text, options));
}
getByTitle(text: string | RegExp, options?: { exact?: boolean }): Locator {
return this.locator(getByTitleSelector(text, options));
}
getByRole(role: string, options: ByRoleOptions = {}): Locator {
return this.locator(getByRoleSelector(role, options));
}
frameLocator(selector: string): FrameLocator {
return new FrameLocator(this._frame, this._frameSelector + ' >> internal:control=enter-frame >> ' + selector);
}
first(): FrameLocator {
return new FrameLocator(this._frame, this._frameSelector + ' >> nth=0');
}
last(): FrameLocator {
return new FrameLocator(this._frame, this._frameSelector + ` >> nth=-1`);
}
nth(index: number): FrameLocator {
return new FrameLocator(this._frame, this._frameSelector + ` >> nth=${index}`);
}
}
let _testIdAttributeName: string = 'data-testid';
export function testIdAttributeName(): string {
return _testIdAttributeName;
}
export function setTestIdAttribute(attributeName: string) {
_testIdAttributeName = attributeName;
}