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trace-viewer.spec.ts
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trace-viewer.spec.ts
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/**
* 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 { TraceViewerFixtures } from '../config/traceViewerFixtures';
import { traceViewerFixtures } from '../config/traceViewerFixtures';
import fs from 'fs';
import path from 'path';
import { expect, playwrightTest } from '../config/browserTest';
import type { FrameLocator } from '@playwright/test';
const test = playwrightTest.extend<TraceViewerFixtures>(traceViewerFixtures);
test.skip(({ trace }) => trace === 'on');
test.skip(({ mode }) => mode.startsWith('service'));
test.slow();
let traceFile: string;
test.beforeAll(async function recordTrace({ browser, browserName, browserType, server }, workerInfo) {
const context = await browser.newContext();
await context.tracing.start({ name: 'test', screenshots: true, snapshots: true, sources: true });
const page = await context.newPage();
await page.goto(`data:text/html,<!DOCTYPE html><html>Hello world</html>`);
await page.setContent('<!DOCTYPE html><button>Click</button>');
await expect(page.locator('button')).toHaveText('Click');
await expect(page.getByTestId('amazing-btn')).toBeHidden();
await expect(page.getByTestId(/amazing-btn-regex/)).toBeHidden();
await page.evaluate(({ a }) => {
console.log('Info');
console.warn('Warning');
console.error('Error');
return new Promise(f => {
// Generate exception.
setTimeout(() => {
// And then resolve.
setTimeout(() => f('return ' + a), 0);
throw new Error('Unhandled exception');
}, 0);
});
}, { a: 'paramA', b: 4 });
await page.evaluate(() => 1 + 1, null);
async function doClick() {
await page.getByText('Click').click();
}
await doClick();
await Promise.all([
page.waitForNavigation(),
page.waitForResponse(server.PREFIX + '/frames/frame.html'),
page.waitForTimeout(200).then(() => page.goto(server.PREFIX + '/frames/frame.html'))
]);
await page.setViewportSize({ width: 500, height: 600 });
// Go through instrumentation to exercise reentrant stack traces.
const csi = {
onWillCloseBrowserContext: async () => {
await page.hover('body');
await page.close();
traceFile = path.join(workerInfo.project.outputDir, String(workerInfo.workerIndex), browserName, 'trace.zip');
await context.tracing.stop({ path: traceFile });
}
};
(browserType as any)._instrumentation.addListener(csi);
await context.close();
(browserType as any)._instrumentation.removeListener(csi);
});
test('should show empty trace viewer', async ({ showTraceViewer }, testInfo) => {
const traceViewer = await showTraceViewer([testInfo.outputPath()]);
await expect(traceViewer.page).toHaveTitle('Playwright Trace Viewer');
});
test('should open two trace viewers', async ({ showTraceViewer }, testInfo) => {
const port = testInfo.workerIndex + 48321;
const traceViewer1 = await showTraceViewer([testInfo.outputPath()], { host: 'localhost', port });
await expect(traceViewer1.page).toHaveTitle('Playwright Trace Viewer');
const traceViewer2 = await showTraceViewer([testInfo.outputPath()], { host: 'localhost', port });
await expect(traceViewer2.page).toHaveTitle('Playwright Trace Viewer');
});
test('should open trace viewer on specific host', async ({ showTraceViewer }, testInfo) => {
const traceViewer = await showTraceViewer([testInfo.outputPath()], { host: '127.0.0.1' });
await expect(traceViewer.page).toHaveTitle('Playwright Trace Viewer');
await expect(traceViewer.page).toHaveURL(/127.0.0.1/);
});
test('should open simple trace viewer', async ({ showTraceViewer }) => {
const traceViewer = await showTraceViewer([traceFile]);
await expect(traceViewer.actionTitles).toHaveText([
/browserContext.newPage/,
/page.gotodata:text\/html,<!DOCTYPE html><html>Hello world<\/html>/,
/page.setContent/,
/expect.toHaveTextlocator\('button'\)/,
/expect.toBeHiddengetByTestId\('amazing-btn'\)/,
/expect.toBeHiddengetByTestId\(\/amazing-btn-regex\/\)/,
/page.evaluate/,
/page.evaluate/,
/locator.clickgetByText\('Click'\)/,
/page.waitForNavigation/,
/page.waitForResponse/,
/page.waitForTimeout/,
/page.gotohttp:\/\/localhost:\d+\/frames\/frame.html/,
/page.setViewportSize/,
]);
});
test('should contain action info', async ({ showTraceViewer }) => {
const traceViewer = await showTraceViewer([traceFile]);
await traceViewer.selectAction('locator.click');
await traceViewer.page.getByText('Log', { exact: true }).click();
await expect(traceViewer.logLines).toContainText([
/\d+m?sattempting click action/,
/\d+m?s click action done/,
]);
});
test('should render network bars', async ({ page, runAndTrace, server }) => {
const traceViewer = await runAndTrace(async () => {
await page.goto(server.EMPTY_PAGE);
});
await expect(traceViewer.page.locator('.timeline-bar.network')).toHaveCount(1);
});
test('should render console', async ({ showTraceViewer, browserName }) => {
const traceViewer = await showTraceViewer([traceFile]);
await traceViewer.showConsoleTab();
await expect(traceViewer.consoleLineMessages.nth(0)).toHaveText('Info');
await expect(traceViewer.consoleLineMessages.nth(1)).toHaveText('Warning');
await expect(traceViewer.consoleLineMessages.nth(2)).toHaveText('Error');
await expect(traceViewer.consoleLineMessages.nth(3)).toHaveText('Unhandled exception');
// Browsers can insert more messages between these two.
await expect(traceViewer.consoleLineMessages.filter({ hasText: 'Cheers!' })).toBeVisible();
const icons = traceViewer.consoleLines.locator('.codicon');
await expect.soft(icons.nth(0)).toHaveClass('codicon codicon-browser status-none');
await expect.soft(icons.nth(1)).toHaveClass('codicon codicon-browser status-warning');
await expect.soft(icons.nth(2)).toHaveClass('codicon codicon-browser status-error');
await expect.soft(icons.nth(3)).toHaveClass('codicon codicon-browser status-error');
// Browsers can insert more messages between these two.
await expect.soft(traceViewer.consoleLines.filter({ hasText: 'Cheers!' }).locator('.codicon')).toHaveClass('codicon codicon-browser status-none');
await expect(traceViewer.consoleStacks.first()).toContainText('Error: Unhandled exception');
await traceViewer.selectAction('page.evaluate');
const listViews = traceViewer.page.locator('.console-tab').locator('.list-view-entry');
await expect(listViews.nth(0)).toHaveClass('list-view-entry');
await expect(listViews.nth(1)).toHaveClass('list-view-entry warning');
await expect(listViews.nth(2)).toHaveClass('list-view-entry error');
await expect(listViews.nth(3)).toHaveClass('list-view-entry error');
// Browsers can insert more messages between these two.
await expect(listViews.filter({ hasText: 'Cheers!' })).toHaveClass('list-view-entry');
});
test('should open console errors on click', async ({ showTraceViewer, browserName }) => {
const traceViewer = await showTraceViewer([traceFile]);
expect(await traceViewer.actionIconsText('page.evaluate')).toEqual(['2', '1']);
expect(await traceViewer.page.isHidden('.console-tab')).toBeTruthy();
await (await traceViewer.actionIcons('page.evaluate')).click();
expect(await traceViewer.page.waitForSelector('.console-tab')).toBeTruthy();
});
test('should show params and return value', async ({ showTraceViewer }) => {
const traceViewer = await showTraceViewer([traceFile]);
await traceViewer.selectAction('page.evaluate');
await expect(traceViewer.callLines).toHaveText([
/page.evaluate/,
/wall time:[0-9/:,APM ]+/,
/duration:[\d]+ms/,
/expression:"\({↵ a↵ }\) => {↵ console\.log\(\'Info\'\);↵ console\.warn\(\'Warning\'\);↵ console/,
'isFunction:true',
'arg:{"a":"paramA","b":4}',
'value:"return paramA"'
]);
await traceViewer.selectAction(`locator('button')`);
await expect(traceViewer.callLines).toContainText([
/expect.toHaveText/,
/wall time:[0-9/:,APM ]+/,
/duration:[\d]+ms/,
/locator:locator\('button'\)/,
/expression:"to.have.text"/,
/timeout:10000/,
/matches:true/,
/received:"Click"/,
]);
});
test('should show null as a param', async ({ showTraceViewer, browserName }) => {
const traceViewer = await showTraceViewer([traceFile]);
await traceViewer.selectAction('page.evaluate', 1);
await expect(traceViewer.callLines).toHaveText([
/page.evaluate/,
/wall time:[0-9/:,APM ]+/,
/duration:[\d]+ms/,
'expression:"() => 1 + 1"',
'isFunction:true',
'arg:null',
'value:2'
]);
});
test('should have correct snapshot size', async ({ showTraceViewer }, testInfo) => {
const traceViewer = await showTraceViewer([traceFile]);
await traceViewer.selectAction('page.setViewport');
await traceViewer.selectSnapshot('Before');
await expect(traceViewer.snapshotContainer).toHaveCSS('width', '1280px');
await expect(traceViewer.snapshotContainer).toHaveCSS('height', '720px');
await traceViewer.selectSnapshot('After');
await expect(traceViewer.snapshotContainer).toHaveCSS('width', '500px');
await expect(traceViewer.snapshotContainer).toHaveCSS('height', '600px');
});
test('should have correct stack trace', async ({ showTraceViewer }) => {
const traceViewer = await showTraceViewer([traceFile]);
await traceViewer.selectAction('locator.click');
await traceViewer.showSourceTab();
await expect(traceViewer.stackFrames).toContainText([
/doClick\s+trace-viewer.spec.ts\s+:\d+/,
/recordTrace\s+trace-viewer.spec.ts\s+:\d+/,
], { useInnerText: true });
});
test('should have network requests', async ({ showTraceViewer }) => {
const traceViewer = await showTraceViewer([traceFile]);
await traceViewer.selectAction('http://localhost');
await traceViewer.showNetworkTab();
await expect(traceViewer.networkRequests).toContainText([/frame.htmlGET200text\/html/]);
await expect(traceViewer.networkRequests).toContainText([/style.cssGET200text\/css/]);
await expect(traceViewer.networkRequests).toContainText([/404GET404text\/plain/]);
await expect(traceViewer.networkRequests).toContainText([/script.jsGET200application\/javascript/]);
await expect(traceViewer.networkRequests.filter({ hasText: '404' })).toHaveCSS('background-color', 'rgb(242, 222, 222)');
});
test('should have network request overrides', async ({ page, server, runAndTrace }) => {
const traceViewer = await runAndTrace(async () => {
await page.route('**/style.css', route => route.abort());
await page.goto(server.PREFIX + '/frames/frame.html');
});
await traceViewer.selectAction('http://localhost');
await traceViewer.showNetworkTab();
await expect(traceViewer.networkRequests).toContainText([/frame.htmlGET200text\/html/]);
await expect(traceViewer.networkRequests).toContainText([/style.cssGETx-unknown.*aborted/]);
await expect(traceViewer.networkRequests).not.toContainText([/continued/]);
});
test('should have network request overrides 2', async ({ page, server, runAndTrace }) => {
const traceViewer = await runAndTrace(async () => {
await page.route('**/script.js', route => route.continue());
await page.goto(server.PREFIX + '/frames/frame.html');
});
await traceViewer.selectAction('http://localhost');
await traceViewer.showNetworkTab();
await expect.soft(traceViewer.networkRequests).toContainText([/frame.htmlGET200text\/html.*/]);
await expect.soft(traceViewer.networkRequests).toContainText([/script.jsGET200application\/javascript.*continued/]);
});
test('should show snapshot URL', async ({ page, runAndTrace, server }) => {
const traceViewer = await runAndTrace(async () => {
await page.goto(server.EMPTY_PAGE);
await page.evaluate('2+2');
});
await traceViewer.snapshotFrame('page.evaluate');
await expect(traceViewer.page.locator('.browser-frame-address-bar')).toHaveText(server.EMPTY_PAGE);
});
test('should popup snapshot', async ({ page, runAndTrace, server }) => {
const traceViewer = await runAndTrace(async () => {
await page.goto(server.EMPTY_PAGE);
await page.setContent('hello');
});
await traceViewer.snapshotFrame('page.setContent');
const popupPromise = traceViewer.page.context().waitForEvent('page');
await traceViewer.page.getByTitle('Open snapshot in a new tab').click();
const popup = await popupPromise;
await expect(popup.getByText('hello')).toBeVisible();
});
test('should capture iframe with sandbox attribute', async ({ page, server, runAndTrace }) => {
await page.route('**/empty.html', route => {
void route.fulfill({
body: '<iframe src="iframe.html" sandBOX="allow-scripts"></iframe>',
contentType: 'text/html'
}).catch(() => {});
});
await page.route('**/iframe.html', route => {
void route.fulfill({
body: '<html><button>Hello iframe</button></html>',
contentType: 'text/html'
}).catch(() => {});
});
const traceViewer = await runAndTrace(async () => {
await page.goto(server.EMPTY_PAGE);
if (page.frames().length < 2)
await page.waitForEvent('frameattached');
await page.frames()[1].waitForSelector('button');
// Force snapshot.
await page.evaluate('2+2');
});
// Render snapshot, check expectations.
const snapshotFrame = await traceViewer.snapshotFrame('page.evaluate', 0, true);
const button = snapshotFrame.frameLocator('iframe').locator('button');
expect(await button.textContent()).toBe('Hello iframe');
});
test('should capture data-url svg iframe', async ({ page, server, runAndTrace }) => {
await page.route('**/empty.html', route => {
void route.fulfill({
body: `<iframe src="data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' height='24px' viewBox='0 0 24 24' width='24px' fill='%23000000'%3e%3cpath d='M0 0h24v24H0z' fill='none'/%3e%3cpath d='M16.5 3c-1.74 0-3.41.81-4.5 2.09C10.91 3.81 9.24 3 7.5 3 4.42 3 2 5.42 2 8.5c0 3.78 3.4 6.86 8.55 11.54L12 21.35l1.45-1.32C18.6 15.36 22 12.28 22 8.5 22 5.42 19.58 3 16.5 3zm-4.4 15.55l-.1.1-.1-.1C7.14 14.24 4 11.39 4 8.5 4 6.5 5.5 5 7.5 5c1.54 0 3.04.99 3.57 2.36h1.87C13.46 5.99 14.96 5 16.5 5c2 0 3.5 1.5 3.5 3.5 0 2.89-3.14 5.74-7.9 10.05z'/%3e%3c/svg%3e"></iframe>`,
contentType: 'text/html'
}).catch(() => {});
});
const traceViewer = await runAndTrace(async () => {
await page.goto(server.EMPTY_PAGE);
if (page.frames().length < 2)
await page.waitForEvent('frameattached');
await page.frames()[1].waitForSelector('svg');
// Force snapshot.
await page.evaluate('2+2');
});
// Render snapshot, check expectations.
const snapshotFrame = await traceViewer.snapshotFrame('page.evaluate', 0, true);
await expect(snapshotFrame.frameLocator('iframe').locator('svg')).toBeVisible();
const content = await snapshotFrame.frameLocator('iframe').locator(':root').innerHTML();
expect(content).toContain(`d="M16.5 3c-1.74 0-3.41.81-4.5 2.09C10.91 3.81 9.24 3 7.5 3 4.42 3 2 5.42 2 8.5c0 3.78 3.4 6.86 8.55 11.54L12 21.35l1.45-1.32C18.6 15.36 22 12.28 22 8.5 22 5.42 19.58 3 16.5 3zm-4.4 15.55l-.1.1-.1-.1C7.14 14.24 4 11.39 4 8.5 4 6.5 5.5 5 7.5 5c1.54 0 3.04.99 3.57 2.36h1.87C13.46 5.99 14.96 5 16.5 5c2 0 3.5 1.5 3.5 3.5 0 2.89-3.14 5.74-7.9 10.05z"`);
});
test('should contain adopted style sheets', async ({ page, runAndTrace, browserName }) => {
test.skip(browserName !== 'chromium', 'Constructed stylesheets are only in Chromium.');
const traceViewer = await runAndTrace(async () => {
await page.setContent('<button>Hello</button>');
await page.evaluate(() => {
const sheet = new CSSStyleSheet();
sheet.addRule('button', 'color: red');
(document as any).adoptedStyleSheets = [sheet];
const sheet2 = new CSSStyleSheet();
sheet2.addRule(':host', 'color: blue');
for (const element of [document.createElement('div'), document.createElement('span')]) {
const root = element.attachShadow({
mode: 'open'
});
root.append('foo');
(root as any).adoptedStyleSheets = [sheet2];
document.body.appendChild(element);
}
});
});
const frame = await traceViewer.snapshotFrame('page.evaluate');
await expect(frame.locator('button')).toHaveCSS('color', 'rgb(255, 0, 0)');
await expect(frame.locator('div')).toHaveCSS('color', 'rgb(0, 0, 255)');
await expect(frame.locator('span')).toHaveCSS('color', 'rgb(0, 0, 255)');
});
test('should work with adopted style sheets and replace/replaceSync', async ({ page, runAndTrace, browserName }) => {
test.skip(browserName !== 'chromium', 'Constructed stylesheets are only in Chromium.');
const traceViewer = await runAndTrace(async () => {
await page.setContent('<button>Hello</button>');
await page.evaluate(() => {
const sheet = new CSSStyleSheet();
sheet.addRule('button', 'color: red');
(document as any).adoptedStyleSheets = [sheet];
});
await page.evaluate(() => {
const [sheet] = (document as any).adoptedStyleSheets;
sheet.replaceSync(`button { color: blue }`);
});
await page.evaluate(() => {
const [sheet] = (document as any).adoptedStyleSheets;
sheet.replace(`button { color: #0F0 }`);
});
});
{
const frame = await traceViewer.snapshotFrame('page.evaluate', 0);
await expect(frame.locator('button')).toHaveCSS('color', 'rgb(255, 0, 0)');
}
{
const frame = await traceViewer.snapshotFrame('page.evaluate', 1);
await expect(frame.locator('button')).toHaveCSS('color', 'rgb(0, 0, 255)');
}
{
const frame = await traceViewer.snapshotFrame('page.evaluate', 2);
await expect(frame.locator('button')).toHaveCSS('color', 'rgb(0, 255, 0)');
}
});
test('should restore scroll positions', async ({ page, runAndTrace, browserName }) => {
const traceViewer = await runAndTrace(async () => {
await page.setContent(`
<style>
li { height: 20px; margin: 0; padding: 0; }
div { height: 60px; overflow-x: hidden; overflow-y: scroll; background: green; padding: 0; margin: 0; }
</style>
<div>
<ul>
<li>Item 1</li>
<li>Item 2</li>
<li>Item 3</li>
<li>Item 4</li>
<li>Item 5</li>
<li>Item 6</li>
<li>Item 7</li>
<li>Item 8</li>
<li>Item 9</li>
<li>Item 10</li>
</ul>
</div>
`);
await (await page.$('text=Item 8')).scrollIntoViewIfNeeded();
});
// Render snapshot, check expectations.
const frame = await traceViewer.snapshotFrame('scrollIntoViewIfNeeded');
expect(await frame.locator('div').evaluate(div => div.scrollTop)).toBe(136);
});
test('should restore control values', async ({ page, runAndTrace, asset }) => {
const traceViewer = await runAndTrace(async () => {
await page.setContent(`
<input type=text value=old>
<input type=checkbox checked>
<input type=radio>
<input type=file>
<textarea>old</textarea>
<select multiple>
<option value=opt1>Hi</option>
<option value=opt2 selected>Bye</option>
<option value=opt3>Hello</option>
</select>
<script>
document.querySelector('[type=text]').value = 'hi';
document.querySelector('[type=checkbox]').checked = false;
document.querySelector('[type=radio]').checked = true;
document.querySelector('textarea').value = 'hello';
document.querySelector('[value=opt1]').selected = true;
document.querySelector('[value=opt2]').selected = false;
document.querySelector('[value=opt3]').selected = true;
</script>
`);
await page.locator('input[type="file"]').setInputFiles(asset('file-to-upload.txt'));
await page.click('input');
});
// Render snapshot, check expectations.
const frame = await traceViewer.snapshotFrame('page.click');
const text = frame.locator('[type=text]');
await expect(text).toHaveAttribute('value', 'old');
await expect(text).toHaveValue('hi');
const checkbox = frame.locator('[type=checkbox]');
await expect(checkbox).not.toBeChecked();
expect(await checkbox.evaluate(c => c.hasAttribute('checked'))).toBe(true);
const radio = frame.locator('[type=radio]');
await expect(radio).toBeChecked();
expect(await radio.evaluate(c => c.hasAttribute('checked'))).toBe(false);
const textarea = frame.locator('textarea');
await expect(textarea).toHaveText('old');
await expect(textarea).toHaveValue('hello');
expect(await frame.locator('option >> nth=0').evaluate(o => o.hasAttribute('selected'))).toBe(false);
expect(await frame.locator('option >> nth=1').evaluate(o => o.hasAttribute('selected'))).toBe(true);
expect(await frame.locator('option >> nth=2').evaluate(o => o.hasAttribute('selected'))).toBe(false);
await expect(frame.locator('select')).toHaveValues(['opt1', 'opt3']);
await expect(frame.locator('input[type=file]')).toHaveValue('');
});
test('should work with meta CSP', async ({ page, runAndTrace, browserName }) => {
const traceViewer = await runAndTrace(async () => {
await page.setContent(`
<head>
<meta http-equiv="Content-Security-Policy" content="script-src 'none'">
</head>
<body>
<div>Hello</div>
</body>
`);
await page.$eval('div', div => {
const shadow = div.attachShadow({ mode: 'open' });
const span = document.createElement('span');
span.textContent = 'World';
shadow.appendChild(span);
});
});
// Render snapshot, check expectations.
const frame = await traceViewer.snapshotFrame('$eval');
// Should render shadow dom with post-processing script.
await expect(frame.locator('span')).toHaveText('World');
});
test('should handle multiple headers', async ({ page, server, runAndTrace, browserName }) => {
server.setRoute('/foo.css', (req, res) => {
res.statusCode = 200;
res.setHeader('vary', ['accepts-encoding', 'accepts-encoding']);
res.end('body { padding: 42px }');
});
const traceViewer = await runAndTrace(async () => {
await page.goto(server.EMPTY_PAGE);
await page.setContent(`<head><link rel=stylesheet href="/foo.css"></head><body><div>Hello</div></body>`);
});
const frame = await traceViewer.snapshotFrame('setContent');
await frame.locator('div').waitFor();
await expect(frame.locator('body')).toHaveCSS('padding-left', '42px');
});
test('should handle src=blob', async ({ page, server, runAndTrace, browserName }) => {
test.skip(browserName === 'firefox');
const traceViewer = await runAndTrace(async () => {
await page.setViewportSize({ width: 300, height: 300 });
await page.goto(server.EMPTY_PAGE);
await page.evaluate(async () => {
const dataUrl = 'data:image/png;base64,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';
const blob = await fetch(dataUrl).then(res => res.blob());
const url = window.URL.createObjectURL(blob);
const img = document.createElement('img');
img.src = url;
const loaded = new Promise(f => img.onload = f);
document.body.appendChild(img);
await loaded;
});
});
const frame = await traceViewer.snapshotFrame('page.evaluate');
const size = await frame.locator('img').evaluate(e => (e as HTMLImageElement).naturalWidth);
expect(size).toBe(10);
});
test('should preserve currentSrc', async ({ browser, server, showTraceViewer }) => {
const traceFile = test.info().outputPath('trace.zip');
const page = await browser.newPage({ deviceScaleFactor: 3 });
await page.context().tracing.start({ snapshots: true, screenshots: true, sources: true });
await page.setViewportSize({ width: 300, height: 300 });
await page.goto(server.EMPTY_PAGE);
await page.setContent(`
<picture>
<source srcset="digits/1.png 1x, digits/2.png 2x, digits/3.png 3x">
<img id=target1 src="digits/0.png">
</picture>
<img id=target2 srcset="digits/4.png 1x, digits/5.png 2x, digits/6.png 3x">
`);
await page.context().tracing.stop({ path: traceFile });
await page.close();
const traceViewer = await showTraceViewer([traceFile]);
const frame = await traceViewer.snapshotFrame('page.setContent');
await expect(frame.locator('#target1')).toHaveAttribute('src', server.PREFIX + '/digits/3.png');
await expect(frame.locator('#target2')).toHaveAttribute('src', server.PREFIX + '/digits/6.png');
});
test('should register custom elements', async ({ page, server, runAndTrace }) => {
const traceViewer = await runAndTrace(async () => {
await page.goto(server.EMPTY_PAGE);
await page.evaluate(() => {
customElements.define('my-element', class extends HTMLElement {
constructor() {
super();
const shadow = this.attachShadow({ mode: 'open' });
const span = document.createElement('span');
span.textContent = 'hello';
shadow.appendChild(span);
shadow.appendChild(document.createElement('slot'));
}
});
});
await page.setContent(`
<style>
:not(:defined) {
visibility: hidden;
}
</style>
<MY-element>world</MY-element>
`);
});
const frame = await traceViewer.snapshotFrame('page.setContent');
await expect(frame.getByText('worldhello')).toBeVisible();
});
test('should highlight target elements', async ({ page, runAndTrace, browserName }) => {
const traceViewer = await runAndTrace(async () => {
await page.setContent(`
<div>t1</div>
<div>t2</div>
<div>t3</div>
<div>t4</div>
<div>t5</div>
<div>t6</div>
<div>multi</div>
<div>multi</div>
`);
await page.click('text=t1');
await page.innerText('text=t2');
await (await page.$('text=t3')).click();
await (await page.$('text=t4')).innerText();
await page.locator('text=t5').innerText();
await expect(page.locator('text=t6')).toHaveText(/t6/i);
await expect(page.locator('text=multi')).toHaveText(['a', 'b'], { timeout: 1000 }).catch(() => {});
await page.mouse.move(123, 234);
});
async function highlightedDivs(frameLocator: FrameLocator) {
return frameLocator.locator('div').evaluateAll(divs => {
// See snapshotRenderer.ts for the exact color.
return divs.filter(div => getComputedStyle(div).backgroundColor === 'rgba(111, 168, 220, 0.498)').map(div => div.textContent);
});
}
const framePageClick = await traceViewer.snapshotFrame('page.click');
await expect.poll(() => highlightedDivs(framePageClick)).toEqual(['t1']);
const box1 = await framePageClick.getByText('t1').boundingBox();
const box2 = await framePageClick.locator('x-pw-pointer').boundingBox();
const x1 = box1!.x + box1!.width / 2;
const y1 = box1!.y + box1!.height / 2;
const x2 = box2!.x + box2!.width / 2;
const y2 = box2!.y + box2!.height / 2;
expect(Math.abs(x1 - x2) < 2).toBeTruthy();
expect(Math.abs(y1 - y2) < 2).toBeTruthy();
const framePageInnerText = await traceViewer.snapshotFrame('page.innerText');
await expect.poll(() => highlightedDivs(framePageInnerText)).toEqual(['t2']);
const frameHandleClick = await traceViewer.snapshotFrame('elementHandle.click');
await expect.poll(() => highlightedDivs(frameHandleClick)).toEqual(['t3']);
const frameHandleInnerText = await traceViewer.snapshotFrame('elementHandle.innerText');
await expect.poll(() => highlightedDivs(frameHandleInnerText)).toEqual(['t4']);
const frameLocatorInnerText = await traceViewer.snapshotFrame('locator.innerText');
await expect.poll(() => highlightedDivs(frameLocatorInnerText)).toEqual(['t5']);
const frameExpect1 = await traceViewer.snapshotFrame('expect.toHaveText', 0);
await expect.poll(() => highlightedDivs(frameExpect1)).toEqual(['t6']);
const frameExpect2 = await traceViewer.snapshotFrame('expect.toHaveText', 1);
await expect.poll(() => highlightedDivs(frameExpect2)).toEqual(['multi', 'multi']);
await expect(frameExpect2.locator('x-pw-pointer')).not.toBeVisible();
const frameMouseMove = await traceViewer.snapshotFrame('mouse.move');
await expect(frameMouseMove.locator('x-pw-pointer')).toBeVisible();
});
test('should highlight target element in shadow dom', async ({ page, server, runAndTrace }) => {
const traceViewer = await runAndTrace(async () => {
await page.goto(server.PREFIX + '/shadow.html');
await page.locator('button').click();
await expect(page.locator('h1')).toHaveText('Hellow Shadow DOM v1');
});
const framePageClick = await traceViewer.snapshotFrame('locator.click');
await expect(framePageClick.locator('button')).toHaveCSS('background-color', 'rgba(111, 168, 220, 0.498)');
const frameExpect = await traceViewer.snapshotFrame('expect.toHaveText');
await expect(frameExpect.locator('h1')).toHaveCSS('background-color', 'rgba(111, 168, 220, 0.498)');
});
test('should highlight expect failure', async ({ page, server, runAndTrace }) => {
test.info().annotations.push({ type: 'issue', description: 'https://github.com/microsoft/playwright-python/issues/2258' });
const traceViewer = await runAndTrace(async () => {
try {
await page.goto(server.EMPTY_PAGE);
await expect(page).toHaveTitle('foo', { timeout: 100 });
} catch (e) {
}
});
await expect(traceViewer.actionTitles.getByText('expect.toHaveTitle')).toHaveCSS('color', 'rgb(176, 16, 17)');
await traceViewer.showErrorsTab();
await expect(traceViewer.errorMessages.nth(0)).toHaveText('Expect failed');
});
test('should show action source', async ({ showTraceViewer }) => {
const traceViewer = await showTraceViewer([traceFile]);
await traceViewer.selectAction('locator.click');
const page = traceViewer.page;
await page.click('text=Source');
await expect(page.locator('.source-line-running')).toContainText('await page.getByText(\'Click\').click()');
await expect(page.getByTestId('stack-trace-list').locator('.list-view-entry.selected')).toHaveText(/doClick.*trace-viewer\.spec\.ts:[\d]+/);
});
test('should follow redirects', async ({ page, runAndTrace, server, asset }) => {
server.setRoute('/empty.html', (req, res) => {
res.writeHead(200, { 'Content-Type': 'text/html' });
res.end(`<div><img id=img src="image.png"></img></div>`);
});
server.setRoute('/image.png', (req, res) => {
res.writeHead(301, { location: '/image-301.png' });
res.end();
});
server.setRoute('/image-301.png', (req, res) => {
res.writeHead(302, { location: '/image-302.png' });
res.end();
});
server.setRoute('/image-302.png', (req, res) => {
res.writeHead(200, { 'content-type': 'image/png' });
res.end(fs.readFileSync(asset('digits/0.png')));
});
const traceViewer = await runAndTrace(async () => {
await page.goto(server.EMPTY_PAGE);
expect(await page.evaluate(() => (window as any).img.naturalWidth)).toBe(10);
});
const snapshotFrame = await traceViewer.snapshotFrame('page.evaluate');
await expect(snapshotFrame.locator('img')).toHaveJSProperty('naturalWidth', 10);
});
test('should include metainfo', async ({ showTraceViewer, browserName }) => {
const traceViewer = await showTraceViewer([traceFile]);
await traceViewer.page.locator('text=Metadata').click();
const callLine = traceViewer.page.locator('.metadata-view .call-line');
await expect(callLine.getByText('start time')).toHaveText(/start time:[\d/,: ]+/);
await expect(callLine.getByText('duration')).toHaveText(/duration:[\dms]+/);
await expect(callLine.getByText('engine')).toHaveText(/engine:[\w]+/);
await expect(callLine.getByText('platform')).toHaveText(/platform:[\w]+/);
await expect(callLine.getByText('width')).toHaveText(/width:[\d]+/);
await expect(callLine.getByText('height')).toHaveText(/height:[\d]+/);
await expect(callLine.getByText('pages')).toHaveText(/pages:1/);
await expect(callLine.getByText('actions')).toHaveText(/actions:[\d]+/);
await expect(callLine.getByText('events')).toHaveText(/events:[\d]+/);
});
test('should open two trace files', async ({ context, page, request, server, showTraceViewer }, testInfo) => {
await (request as any)._tracing.start({ snapshots: true });
await context.tracing.start({ snapshots: true, sources: true });
{
const response = await request.get(server.PREFIX + '/simple.json');
await expect(response).toBeOK();
}
await page.goto(server.PREFIX + '/input/button.html');
{
const response = await request.head(server.PREFIX + '/simplezip.json');
await expect(response).toBeOK();
}
await page.locator('button').click();
await page.locator('button').click();
{
const response = await request.post(server.PREFIX + '/one-style.css');
await expect(response).toBeOK();
}
const apiTrace = testInfo.outputPath('api.zip');
const contextTrace = testInfo.outputPath('context.zip');
await (request as any)._tracing.stop({ path: apiTrace });
await context.tracing.stop({ path: contextTrace });
const traceViewer = await showTraceViewer([contextTrace, apiTrace]);
await traceViewer.selectAction('apiRequestContext.head');
await traceViewer.selectAction('apiRequestContext.get');
await traceViewer.selectAction('apiRequestContext.post');
await expect(traceViewer.actionTitles).toHaveText([
`apiRequestContext.get`,
`page.gotohttp://localhost:${server.PORT}/input/button.html`,
`apiRequestContext.head`,
`locator.clicklocator('button')`,
`locator.clicklocator('button')`,
`apiRequestContext.post`,
]);
await traceViewer.page.locator('text=Metadata').click();
const callLine = traceViewer.page.locator('.call-line');
// Should get metadata from the context trace
await expect(callLine.getByText('start time')).toHaveText(/start time:[\d/,: ]+/);
// duration in the metadata section
await expect(callLine.getByText('duration').first()).toHaveText(/duration:[\dms]+/);
await expect(callLine.getByText('engine')).toHaveText(/engine:[\w]+/);
await expect(callLine.getByText('platform')).toHaveText(/platform:[\w]+/);
await expect(callLine.getByText('width')).toHaveText(/width:[\d]+/);
await expect(callLine.getByText('height')).toHaveText(/height:[\d]+/);
await expect(callLine.getByText('pages')).toHaveText(/pages:1/);
await expect(callLine.getByText('actions')).toHaveText(/actions:6/);
await expect(callLine.getByText('events')).toHaveText(/events:[\d]+/);
});
test('should open two trace files of the same test', async ({ context, page, request, server, showTraceViewer, asset }, testInfo) => {
const traceViewer = await showTraceViewer([asset('test-trace1.zip'), asset('test-trace2.zip')]);
// Same actions from different test runs should not be merged.
await expect(traceViewer.actionTitles).toHaveText([
'Before Hooks',
'Before Hooks',
'page.gotohttps://playwright.dev/',
'page.gotohttps://playwright.dev/',
'expect.toBe',
'After Hooks',
'expect.toBe',
'After Hooks',
]);
});
test('should include requestUrl in route.fulfill', async ({ page, runAndTrace, browserName }) => {
await page.route('**/*', route => {
void route.fulfill({
status: 200,
headers: {
'content-type': 'text/html'
},
body: 'Hello there!'
});
});
const traceViewer = await runAndTrace(async () => {
await page.goto('http://test.com');
});
// Render snapshot, check expectations.
await traceViewer.selectAction('route.fulfill');
await traceViewer.page.locator('.tabbed-pane-tab-label', { hasText: 'Call' }).click();
const callLine = traceViewer.page.locator('.call-line');
await expect(callLine.getByText('status')).toContainText('200');
await expect(callLine.getByText('requestUrl')).toContainText('http://test.com');
});
test('should not crash with broken locator', async ({ page, runAndTrace, server }) => {
test.info().annotations.push({ type: 'issue', description: 'https://github.com/microsoft/playwright/issues/21832' });
const traceViewer = await runAndTrace(async () => {
try {
await page.locator('[class*=github-btn] a]').click();
} catch (e) {
}
});
await expect(traceViewer.page).toHaveTitle('Playwright Trace Viewer');
const header = traceViewer.page.getByText('Playwright', { exact: true });
await expect(header).toBeVisible();
});
test('should include requestUrl in route.continue', async ({ page, runAndTrace, server }) => {
await page.route('**/*', route => {
void route.continue({ url: server.EMPTY_PAGE });
});
const traceViewer = await runAndTrace(async () => {
await page.goto('http://test.com');
});
// Render snapshot, check expectations.
await traceViewer.selectAction('route.continue');
await traceViewer.page.locator('.tabbed-pane-tab-label', { hasText: 'Call' }).click();
const callLine = traceViewer.page.locator('.call-line');
await expect(callLine.getByText('requestUrl')).toContainText('http://test.com');
await expect(callLine.getByText(/^url:.*/)).toContainText(server.EMPTY_PAGE);
});
test('should include requestUrl in route.abort', async ({ page, runAndTrace, server }) => {
await page.route('**/*', route => {
void route.abort();
});
const traceViewer = await runAndTrace(async () => {
await page.goto('http://test.com').catch(() => {});
});
// Render snapshot, check expectations.
await traceViewer.selectAction('route.abort');
await traceViewer.page.locator('.tabbed-pane-tab-label', { hasText: 'Call' }).click();
const callLine = traceViewer.page.locator('.call-line');
await expect(callLine.getByText('requestUrl')).toContainText('http://test.com');
});
test('should serve overridden request', async ({ page, runAndTrace, server }) => {
server.setRoute('/custom.css', (req, res) => {
res.writeHead(200, {
'Content-Type': 'text/css',
});
res.end(`body { background: red }`);
});
await page.route('**/one-style.css', route => {
void route.continue({
url: server.PREFIX + '/custom.css'
});
});
const traceViewer = await runAndTrace(async () => {
await page.goto(server.PREFIX + '/one-style.html');
});
// Render snapshot, check expectations.
const snapshotFrame = await traceViewer.snapshotFrame('page.goto');
await expect(snapshotFrame.locator('body')).toHaveCSS('background-color', 'rgb(255, 0, 0)');
});
test('should display waitForLoadState even if did not wait for it', async ({ runAndTrace, server, page }) => {
const traceViewer = await runAndTrace(async () => {
await page.goto(server.EMPTY_PAGE);
await page.waitForLoadState('load');
await page.waitForLoadState('load');
});
await expect(traceViewer.actionTitles).toHaveText([
/page.goto/,
/page.waitForLoadState/,
/page.waitForLoadState/,
]);
});
test('should display language-specific locators', async ({ runAndTrace, server, page, toImpl }) => {
toImpl(page).attribution.playwright.options.sdkLanguage = 'python';
const traceViewer = await runAndTrace(async () => {
await page.setContent('<button>Submit</button>');
await page.getByRole('button', { name: 'Submit' }).click();
});
await expect(traceViewer.actionTitles).toHaveText([
/page.setContent/,
/locator.clickget_by_role\("button", name="Submit"\)/,
]);
toImpl(page).attribution.playwright.options.sdkLanguage = 'javascript';
});
test('should pick locator', async ({ page, runAndTrace, server }) => {
const traceViewer = await runAndTrace(async () => {
await page.goto(server.EMPTY_PAGE);
await page.setContent('<button>Submit</button>');
});
const snapshot = await traceViewer.snapshotFrame('page.setContent');
await traceViewer.page.getByTitle('Pick locator').click();
await snapshot.locator('button').click();
await expect(traceViewer.page.locator('.cm-wrapper')).toContainText(`getByRole('button', { name: 'Submit' })`);
});
test('should update highlight when typing', async ({ page, runAndTrace, server }) => {
const traceViewer = await runAndTrace(async () => {
await page.goto(server.EMPTY_PAGE);
await page.setContent('<button>Submit</button>');
});
const snapshot = await traceViewer.snapshotFrame('page.setContent');
await traceViewer.page.getByText('Locator').click();
await traceViewer.page.locator('.CodeMirror').click();
await traceViewer.page.keyboard.type('button');
await expect(snapshot.locator('x-pw-glass')).toBeVisible();
});
test('should open trace-1.31', async ({ showTraceViewer }) => {
const traceViewer = await showTraceViewer([path.join(__dirname, '../assets/trace-1.31.zip')]);
const snapshot = await traceViewer.snapshotFrame('locator.click');
await expect(snapshot.locator('[__playwright_target__]')).toHaveText(['Submit']);
});
test('should open trace-1.37', async ({ showTraceViewer }) => {
const traceViewer = await showTraceViewer([path.join(__dirname, '../assets/trace-1.37.zip')]);
const snapshot = await traceViewer.snapshotFrame('page.goto');
await expect(snapshot.locator('div')).toHaveCSS('background-color', 'rgb(255, 0, 0)');
await traceViewer.showConsoleTab();
await expect(traceViewer.consoleLineMessages).toHaveText(['hello {foo: bar}']);
await traceViewer.showNetworkTab();
await expect(traceViewer.networkRequests).toContainText([
/index.htmlGET200text\/html/,
/style.cssGET200x-unknown/
]);
});
test('should prefer later resource request with the same method', async ({ page, server, runAndTrace }) => {
const html = `
<body>
<script>
const link = document.createElement('link');
link.rel = 'stylesheet';
link.href = 'style.css';
document.head.appendChild(link);
if (!window.location.href.includes('reloaded'))
window.location.href = window.location.href + '?reloaded';
else
link.onload = () => fetch('style.css', { method: 'HEAD' });
</script>
<div>Hello</div>
</body>
`;
let reloadStartedCallback = () => {};
const reloadStartedPromise = new Promise<void>(f => reloadStartedCallback = f);
server.setRoute('/style.css', async (req, res) => {
if (req.method === 'HEAD') {
res.statusCode = 200;