chromedevtools--chrome-devtools-mcp
Nikolay Vitkov
250 行
7.7 KiB
TypeScript
250 行
7.7 KiB
TypeScript
/**
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* @license
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* Copyright 2025 Google LLC
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* SPDX-License-Identifier: Apache-2.0
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*/
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import {describe, it} from 'node:test';
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import assert from 'assert';
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import {getMockRequest, html, withBrowser} from './utils.js';
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describe('McpResponse', () => {
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it('list pages', async () => {
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await withBrowser(async (response, context) => {
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response.setIncludePages(true);
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const result = await response.handle('test', context);
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assert.equal(result[0].type, 'text');
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assert.deepStrictEqual(
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result[0].text,
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`# test response
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## Pages
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0: about:blank [selected]`,
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);
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});
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});
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it('allows response text lines to be added', async () => {
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await withBrowser(async (response, context) => {
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response.appendResponseLine('Testing 1');
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response.appendResponseLine('Testing 2');
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const result = await response.handle('test', context);
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assert.equal(result[0].type, 'text');
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assert.deepStrictEqual(
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result[0].text,
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`# test response
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Testing 1
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Testing 2`,
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);
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});
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});
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it('does not include anything in response if snapshot is null', async () => {
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await withBrowser(async (response, context) => {
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const page = context.getSelectedPage();
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page.accessibility.snapshot = async () => null;
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const result = await response.handle('test', context);
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assert.equal(result[0].type, 'text');
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assert.deepStrictEqual(result[0].text, `# test response`);
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});
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});
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it('returns correctly formatted snapshot for a simple tree', async () => {
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await withBrowser(async (response, context) => {
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const page = context.getSelectedPage();
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await page.setContent(`<!DOCTYPE html>
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<button>Click me</button><input type="text" value="Input">`);
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await page.focus('button');
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response.setIncludeSnapshot(true);
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const result = await response.handle('test', context);
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assert.equal(result[0].type, 'text');
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assert.strictEqual(
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result[0].text,
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`# test response
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## Page content
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uid=1_0 RootWebArea ""
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uid=1_1 button "Click me" focusable focused
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uid=1_2 textbox "" value="Input"
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`,
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);
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});
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});
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it('returns values for textboxes', async () => {
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await withBrowser(async (response, context) => {
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const page = context.getSelectedPage();
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await page.setContent(
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html`<label
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>username<input
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name="username"
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value="mcp"
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/></label>`,
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);
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await page.focus('input');
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response.setIncludeSnapshot(true);
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const result = await response.handle('test', context);
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assert.equal(result[0].type, 'text');
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assert.strictEqual(
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result[0].text,
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`# test response
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## Page content
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uid=1_0 RootWebArea "My test page"
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uid=1_1 StaticText "username"
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uid=1_2 textbox "username" value="mcp" focusable focused
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`,
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);
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});
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});
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it('adds throttling setting when it is not null', async () => {
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await withBrowser(async (response, context) => {
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context.setNetworkConditions('Slow 3G');
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const result = await response.handle('test', context);
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assert.equal(result[0].type, 'text');
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assert.strictEqual(
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result[0].text,
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`# test response
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## Network emulation
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Emulating: Slow 3G
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Navigation timeout set to 100000 ms`,
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);
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});
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});
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it('does not include throttling setting when it is null', async () => {
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await withBrowser(async (response, context) => {
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const result = await response.handle('test', context);
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context.setNetworkConditions(null);
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assert.equal(result[0].type, 'text');
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assert.strictEqual(result[0].text, `# test response`);
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});
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});
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it('adds image when image is attached', async () => {
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await withBrowser(async (response, context) => {
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response.attachImage({data: 'imageBase64', mimeType: 'image/png'});
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const result = await response.handle('test', context);
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assert.strictEqual(result[0].text, `# test response`);
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assert.equal(result[1].type, 'image');
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assert.strictEqual(result[1].data, 'imageBase64');
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assert.strictEqual(result[1].mimeType, 'image/png');
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});
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});
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it('adds cpu throttling setting when it is over 1', async () => {
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await withBrowser(async (response, context) => {
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context.setCpuThrottlingRate(4);
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const result = await response.handle('test', context);
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assert.strictEqual(
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result[0].text,
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`# test response
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## CPU emulation
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Emulating: 4x slowdown`,
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);
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});
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});
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it('does not include cpu throttling setting when it is 1', async () => {
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await withBrowser(async (response, context) => {
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context.setCpuThrottlingRate(1);
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const result = await response.handle('test', context);
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assert.strictEqual(result[0].text, `# test response`);
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});
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});
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it('adds a dialog', async () => {
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await withBrowser(async (response, context) => {
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const page = context.getSelectedPage();
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const dialogPromise = new Promise<void>(resolve => {
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page.on('dialog', () => {
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resolve();
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});
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});
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page.evaluate(() => {
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alert('test');
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});
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await dialogPromise;
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const result = await response.handle('test', context);
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await context.getDialog()?.dismiss();
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assert.strictEqual(
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result[0].text,
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`# test response
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# Open dialog
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alert: test (default value: test).
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Call browser_handle_dialog to handle it before continuing.`,
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);
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});
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});
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it('add network requests when setting is true', async () => {
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await withBrowser(async (response, context) => {
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response.setIncludeNetworkRequests(true);
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context.getNetworkRequests = () => {
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return [getMockRequest()];
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};
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const result = await response.handle('test', context);
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assert.strictEqual(
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result[0].text,
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`# test response
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## Network requests
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http://example.com GET [pending]`,
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);
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});
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});
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it('does not include network requests when setting is false', async () => {
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await withBrowser(async (response, context) => {
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response.setIncludeNetworkRequests(false);
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context.getNetworkRequests = () => {
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return [getMockRequest()];
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};
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const result = await response.handle('test', context);
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assert.strictEqual(result[0].text, `# test response`);
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});
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});
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it('add network request when attached', async () => {
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await withBrowser(async (response, context) => {
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response.setIncludeNetworkRequests(true);
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const request = getMockRequest();
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context.getNetworkRequests = () => {
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return [request];
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};
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response.attachNetworkRequest(request.url());
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const result = await response.handle('test', context);
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assert.strictEqual(
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result[0].text,
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`# test response
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## Request http://example.com
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Status: [pending]
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### Request Headers
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- content-size:10
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## Network requests
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http://example.com GET [pending]`,
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);
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});
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});
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it('adds console messages when the setting is true', async () => {
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await withBrowser(async (response, context) => {
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response.setIncludeConsoleData(true);
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const page = context.getSelectedPage();
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const consoleMessagePromise = new Promise<void>(resolve => {
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page.on('console', () => {
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resolve();
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});
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});
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page.evaluate(() => {
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console.log('Hello from the test');
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});
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await consoleMessagePromise;
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const result = await response.handle('test', context);
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assert.ok(result[0].text);
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// Cannot check the full text because it contains local file path
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assert.ok(
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result[0].text.toString().startsWith(`# test response
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## Console messages
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Log>`),
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);
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assert.ok(result[0].text.toString().includes('Hello from the test'));
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});
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});
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});
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