mirror of
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251 lines
10 KiB
TypeScript
251 lines
10 KiB
TypeScript
/**
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* Copyright (c) Microsoft Corporation.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import { expect, contextTest as test, browserTest } from './config/browserTest';
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import yauzl from 'yauzl';
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import jpeg from 'jpeg-js';
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test('should collect trace', async ({ context, page, server }, testInfo) => {
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await context.tracing.start({ name: 'test', screenshots: true, snapshots: true });
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await page.goto(server.EMPTY_PAGE);
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await page.setContent('<button>Click</button>');
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await page.click('"Click"');
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await page.waitForTimeout(2000); // Give it some time to produce screenshots.
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await page.close();
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await context.tracing.stop({ path: testInfo.outputPath('trace.zip') });
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const { events } = await parseTrace(testInfo.outputPath('trace.zip'));
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expect(events[0].type).toBe('context-options');
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expect(events.find(e => e.metadata?.apiName === 'page.goto')).toBeTruthy();
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expect(events.find(e => e.metadata?.apiName === 'page.setContent')).toBeTruthy();
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expect(events.find(e => e.metadata?.apiName === 'page.click')).toBeTruthy();
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expect(events.find(e => e.metadata?.apiName === 'page.close')).toBeTruthy();
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expect(events.some(e => e.type === 'frame-snapshot')).toBeTruthy();
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expect(events.some(e => e.type === 'resource-snapshot')).toBeTruthy();
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expect(events.some(e => e.type === 'screencast-frame')).toBeTruthy();
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});
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test('should not collect snapshots by default', async ({ context, page, server }, testInfo) => {
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await context.tracing.start();
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await page.goto(server.EMPTY_PAGE);
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await page.setContent('<button>Click</button>');
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await page.click('"Click"');
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await page.close();
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await context.tracing.stop({ path: testInfo.outputPath('trace.zip') });
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const { events } = await parseTrace(testInfo.outputPath('trace.zip'));
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expect(events.some(e => e.type === 'frame-snapshot')).toBeFalsy();
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expect(events.some(e => e.type === 'resource-snapshot')).toBeFalsy();
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});
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test('should exclude internal pages', async ({ browserName, context, page, server }, testInfo) => {
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test.fixme(true, 'https://github.com/microsoft/playwright/issues/6743');
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await page.goto(server.EMPTY_PAGE);
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await context.tracing.start();
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await context.storageState();
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await page.close();
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await context.tracing.stop({ path: testInfo.outputPath('trace.zip') });
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const trace = await parseTrace(testInfo.outputPath('trace.zip'));
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const pageIds = new Set();
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trace.events.forEach(e => {
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const pageId = e.metadata?.pageId;
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if (pageId)
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pageIds.add(pageId);
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});
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expect(pageIds.size).toBe(1);
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});
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test('should collect two traces', async ({ context, page, server }, testInfo) => {
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await context.tracing.start({ screenshots: true, snapshots: true });
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await page.goto(server.EMPTY_PAGE);
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await page.setContent('<button>Click</button>');
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await page.click('"Click"');
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await context.tracing.stop({ path: testInfo.outputPath('trace1.zip') });
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await context.tracing.start({ screenshots: true, snapshots: true });
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await page.dblclick('"Click"');
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await page.close();
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await context.tracing.stop({ path: testInfo.outputPath('trace2.zip') });
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{
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const { events } = await parseTrace(testInfo.outputPath('trace1.zip'));
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expect(events[0].type).toBe('context-options');
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expect(events.find(e => e.metadata?.apiName === 'page.goto')).toBeTruthy();
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expect(events.find(e => e.metadata?.apiName === 'page.setContent')).toBeTruthy();
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expect(events.find(e => e.metadata?.apiName === 'page.click')).toBeTruthy();
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expect(events.find(e => e.metadata?.apiName === 'page.dblclick')).toBeFalsy();
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expect(events.find(e => e.metadata?.apiName === 'page.close')).toBeFalsy();
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}
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{
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const { events } = await parseTrace(testInfo.outputPath('trace2.zip'));
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expect(events[0].type).toBe('context-options');
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expect(events.find(e => e.metadata?.apiName === 'page.goto')).toBeFalsy();
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expect(events.find(e => e.metadata?.apiName === 'page.setContent')).toBeFalsy();
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expect(events.find(e => e.metadata?.apiName === 'page.click')).toBeFalsy();
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expect(events.find(e => e.metadata?.apiName === 'page.dblclick')).toBeTruthy();
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expect(events.find(e => e.metadata?.apiName === 'page.close')).toBeTruthy();
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}
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});
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test('should not stall on dialogs', async ({ page, context, server }) => {
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await context.tracing.start({ screenshots: true, snapshots: true });
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await page.goto(server.EMPTY_PAGE);
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page.on('dialog', async dialog => {
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await dialog.accept();
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});
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await page.evaluate(() => {
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confirm('are you sure');
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});
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await context.tracing.stop();
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});
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for (const params of [
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{
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id: 'fit',
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width: 500,
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height: 500,
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},
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{
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id: 'crop',
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width: 400, // Less than 450 to test firefox
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height: 800,
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},
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{
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id: 'scale',
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width: 1024,
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height: 768,
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}
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]) {
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browserTest(`should produce screencast frames ${params.id}`, async ({ video, contextFactory, browserName, platform, headless }, testInfo) => {
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browserTest.fixme(browserName === 'chromium' && video, 'Same screencast resolution conflicts');
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browserTest.fixme(browserName === 'chromium' && !headless, 'Chromium screencast on headed has a min width issue');
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browserTest.fixme(params.id === 'fit' && browserName === 'chromium' && platform === 'darwin', 'High DPI maxes image at 600x600');
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browserTest.fixme(params.id === 'fit' && browserName === 'webkit' && platform === 'linux', 'Image size is flaky');
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const scale = Math.min(800 / params.width, 600 / params.height, 1);
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const previewWidth = params.width * scale;
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const previewHeight = params.height * scale;
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const context = await contextFactory({ viewport: { width: params.width, height: params.height }});
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await context.tracing.start({ screenshots: true, snapshots: true });
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const page = await context.newPage();
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// Make sure we have a chance to paint.
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for (let i = 0; i < 10; ++i) {
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await page.setContent('<body style="box-sizing: border-box; width: 100%; height: 100%; margin:0; background: red; border: 50px solid blue"></body>');
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await page.evaluate(() => new Promise(requestAnimationFrame));
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}
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await context.tracing.stop({ path: testInfo.outputPath('trace.zip') });
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const { events, resources } = await parseTrace(testInfo.outputPath('trace.zip'));
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const frames = events.filter(e => e.type === 'screencast-frame');
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// Check all frame sizes.
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for (const frame of frames) {
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expect(frame.width).toBe(params.width);
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expect(frame.height).toBe(params.height);
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const buffer = resources.get('resources/' + frame.sha1);
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const image = jpeg.decode(buffer);
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expect(image.width).toBe(previewWidth);
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expect(image.height).toBe(previewHeight);
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}
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const frame = frames[frames.length - 1]; // pick last frame.
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const buffer = resources.get('resources/' + frame.sha1);
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const image = jpeg.decode(buffer);
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expect(image.data.byteLength).toBe(previewWidth * previewHeight * 4);
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expectRed(image.data, previewWidth * previewHeight * 4 / 2 + previewWidth * 4 / 2); // center is red
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expectBlue(image.data, previewWidth * 5 * 4 + previewWidth * 4 / 2); // top
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expectBlue(image.data, previewWidth * (previewHeight - 5) * 4 + previewWidth * 4 / 2); // bottom
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expectBlue(image.data, previewWidth * previewHeight * 4 / 2 + 5 * 4); // left
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expectBlue(image.data, previewWidth * previewHeight * 4 / 2 + (previewWidth - 5) * 4); // right
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});
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}
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test('should include interrupted actions', async ({ context, page, server }, testInfo) => {
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await context.tracing.start({ name: 'test', screenshots: true, snapshots: true });
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await page.goto(server.EMPTY_PAGE);
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await page.setContent('<button>Click</button>');
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page.click('"ClickNoButton"').catch(() => {});
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await context.tracing.stop({ path: testInfo.outputPath('trace.zip') });
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await context.close();
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const { events } = await parseTrace(testInfo.outputPath('trace.zip'));
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const clickEvent = events.find(e => e.metadata?.apiName === 'page.click');
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expect(clickEvent).toBeTruthy();
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expect(clickEvent.metadata.error).toBe('Action was interrupted');
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});
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async function parseTrace(file: string): Promise<{ events: any[], resources: Map<string, Buffer> }> {
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const entries = await new Promise<any[]>(f => {
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const entries: Promise<any>[] = [];
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yauzl.open(file, (err, zipFile) => {
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zipFile.on('entry', entry => {
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const entryPromise = new Promise(ff => {
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zipFile.openReadStream(entry, (err, readStream) => {
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const buffers = [];
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if (readStream) {
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readStream.on('data', d => buffers.push(d));
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readStream.on('end', () => ff({ name: entry.fileName, buffer: Buffer.concat(buffers) }));
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} else {
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ff({ name: entry.fileName });
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}
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});
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});
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entries.push(entryPromise);
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});
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zipFile.on('end', () => f(entries));
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});
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});
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const resources = new Map<string, Buffer>();
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for (const { name, buffer } of await Promise.all(entries))
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resources.set(name, buffer);
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const events = resources.get('trace.trace').toString().split('\n').map(line => line ? JSON.parse(line) : false).filter(Boolean);
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return {
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events,
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resources,
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};
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}
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function expectRed(pixels: Buffer, offset: number) {
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const r = pixels.readUInt8(offset);
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const g = pixels.readUInt8(offset + 1);
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const b = pixels.readUInt8(offset + 2);
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const a = pixels.readUInt8(offset + 3);
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expect(r).toBeGreaterThan(200);
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expect(g).toBeLessThan(70);
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expect(b).toBeLessThan(70);
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expect(a).toBe(255);
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}
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function expectBlue(pixels: Buffer, offset: number) {
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const r = pixels.readUInt8(offset);
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const g = pixels.readUInt8(offset + 1);
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const b = pixels.readUInt8(offset + 2);
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const a = pixels.readUInt8(offset + 3);
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expect(r).toBeLessThan(70);
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expect(g).toBeLessThan(70);
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expect(b).toBeGreaterThan(200);
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expect(a).toBe(255);
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}
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