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replayer.test.ts
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replayer.test.ts
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/* tslint:disable no-string-literal no-console */
import * as fs from 'fs';
import * as path from 'path';
import * as puppeteer from 'puppeteer';
import { expect } from 'chai';
import { Suite } from 'mocha';
import {
launchPuppeteer,
sampleEvents as events,
sampleStyleSheetRemoveEvents as stylesheetRemoveEvents
} from './utils';
interface ISuite extends Suite {
code: string;
browser: puppeteer.Browser;
page: puppeteer.Page;
}
describe('replayer', function (this: ISuite) {
this.timeout(10_000);
before(async () => {
this.browser = await launchPuppeteer();
const bundlePath = path.resolve(__dirname, '../dist/rrweb.min.js');
this.code = fs.readFileSync(bundlePath, 'utf8');
});
beforeEach(async () => {
const page: puppeteer.Page = await this.browser.newPage();
await page.goto('about:blank');
await page.evaluate(this.code);
await page.evaluate(`let events = ${JSON.stringify(events)}`);
this.page = page;
page.on('console', (msg) => console.log('PAGE LOG:', msg.text()));
});
afterEach(async () => {
await this.page.close();
});
after(async () => {
await this.browser.close();
});
it('can get meta data', async () => {
const meta = await this.page.evaluate(`
const { Replayer } = rrweb;
const replayer = new Replayer(events);
replayer.getMetaData();
`);
expect(meta).to.deep.equal({
startTime: events[0].timestamp,
endTime: events[events.length - 1].timestamp,
totalTime: events[events.length - 1].timestamp - events[0].timestamp,
});
});
it('will start actions when play', async () => {
const actionLength = await this.page.evaluate(`
const { Replayer } = rrweb;
const replayer = new Replayer(events);
replayer.play();
replayer['timer']['actions'].length;
`);
expect(actionLength).to.equal(events.length);
});
it('will clean actions when pause', async () => {
const actionLength = await this.page.evaluate(`
const { Replayer } = rrweb;
const replayer = new Replayer(events);
replayer.play();
replayer.pause();
replayer['timer']['actions'].length;
`);
expect(actionLength).to.equal(0);
});
it('can play at any time offset', async () => {
const actionLength = await this.page.evaluate(`
const { Replayer } = rrweb;
const replayer = new Replayer(events);
replayer.play(1500);
replayer['timer']['actions'].length;
`);
expect(actionLength).to.equal(
events.filter((e) => e.timestamp - events[0].timestamp >= 1500).length,
);
});
it('can play a second time in the future', async () => {
const actionLength = await this.page.evaluate(`
const { Replayer } = rrweb;
const replayer = new Replayer(events);
replayer.play(500);
replayer.play(1500);
replayer['timer']['actions'].length;
`);
expect(actionLength).to.equal(
events.filter((e) => e.timestamp - events[0].timestamp >= 1500).length,
);
});
it('can play a second time to the past', async () => {
const actionLength = await this.page.evaluate(`
const { Replayer } = rrweb;
const replayer = new Replayer(events);
replayer.play(1500);
replayer.play(500);
replayer['timer']['actions'].length;
`);
expect(actionLength).to.equal(
events.filter((e) => e.timestamp - events[0].timestamp >= 500).length,
);
});
it('can pause at any time offset', async () => {
const actionLength = await this.page.evaluate(`
const { Replayer } = rrweb;
const replayer = new Replayer(events);
replayer.pause(2500);
replayer['timer']['actions'].length;
`);
const currentTime = await this.page.evaluate(`
replayer.getCurrentTime();
`)
const currentState = await this.page.evaluate(`
replayer['service']['state']['value'];
`)
expect(actionLength).to.equal(0)
expect(currentTime).to.equal(2500);
expect(currentState).to.equal('paused');
});
it('can handle removing style elements', async () => {
await this.page.evaluate(`events = ${JSON.stringify(stylesheetRemoveEvents)}`);
const actionLength = await this.page.evaluate(`
const { Replayer } = rrweb;
const replayer = new Replayer(events);
replayer.play(2500);
replayer['timer']['actions'].length;
`);
expect(actionLength).to.equal(
stylesheetRemoveEvents.filter((e) => e.timestamp - stylesheetRemoveEvents[0].timestamp >= 2500).length,
);
});
it('can stream events in live mode', async () => {
const status = await this.page.evaluate(`
const { Replayer } = rrweb;
const replayer = new Replayer(events, {
liveMode: true
});
replayer.startLive();
replayer.service.state.value;
`);
expect(status).to.equal('live');
});
});