141 lines
4.7 KiB
JavaScript
141 lines
4.7 KiB
JavaScript
const { remote } = require('electron')
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const chai = require('chai')
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const dirtyChai = require('dirty-chai')
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const fs = require('fs')
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const path = require('path')
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const { expect } = chai
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const { app, contentTracing } = remote
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chai.use(dirtyChai)
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const timeout = async (milliseconds) => {
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return new Promise((resolve) => {
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setTimeout(resolve, milliseconds)
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})
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}
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describe('contentTracing', () => {
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beforeEach(function () {
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// FIXME: The tests are skipped on arm/arm64.
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if (process.platform === 'linux' &&
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['arm', 'arm64'].includes(process.arch)) {
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this.skip()
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}
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})
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const record = async (options, outputFilePath, recordTimeInMilliseconds = 1e3) => {
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await app.whenReady()
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await contentTracing.startRecording(options)
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await timeout(recordTimeInMilliseconds)
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const resultFilePath = await contentTracing.stopRecording(outputFilePath)
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return resultFilePath
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}
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const outputFilePath = path.join(app.getPath('temp'), 'trace.json')
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beforeEach(() => {
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if (fs.existsSync(outputFilePath)) {
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fs.unlinkSync(outputFilePath)
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}
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})
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describe('startRecording', function () {
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this.timeout(5e3)
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const getFileSizeInKiloBytes = (filePath) => {
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const stats = fs.statSync(filePath)
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const fileSizeInBytes = stats.size
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const fileSizeInKiloBytes = fileSizeInBytes / 1024
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return fileSizeInKiloBytes
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}
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it('accepts an empty config', async () => {
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const config = {}
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await record(config, outputFilePath)
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expect(fs.existsSync(outputFilePath)).to.be.true()
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const fileSizeInKiloBytes = getFileSizeInKiloBytes(outputFilePath)
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expect(fileSizeInKiloBytes).to.be.above(0,
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`the trace output file is empty, check "${outputFilePath}"`)
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})
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it('accepts a trace config', async () => {
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// (alexeykuzmin): All categories are excluded on purpose,
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// so only metadata gets into the output file.
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const config = {
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excluded_categories: ['*']
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}
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await record(config, outputFilePath)
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expect(fs.existsSync(outputFilePath)).to.be.true()
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// If the `excluded_categories` param above is not respected
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// the file size will be above 50KB.
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const fileSizeInKiloBytes = getFileSizeInKiloBytes(outputFilePath)
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const expectedMaximumFileSize = 10 // Depends on a platform.
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expect(fileSizeInKiloBytes).to.be.above(0,
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`the trace output file is empty, check "${outputFilePath}"`)
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expect(fileSizeInKiloBytes).to.be.below(expectedMaximumFileSize,
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`the trace output file is suspiciously large (${fileSizeInKiloBytes}KB),
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check "${outputFilePath}"`)
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})
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it('accepts "categoryFilter" and "traceOptions" as a config', async () => {
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// (alexeykuzmin): All categories are excluded on purpose,
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// so only metadata gets into the output file.
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const config = {
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categoryFilter: '__ThisIsANonexistentCategory__',
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traceOptions: ''
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}
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await record(config, outputFilePath)
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expect(fs.existsSync(outputFilePath)).to.be.true()
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// If the `categoryFilter` param above is not respected
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// the file size will be above 50KB.
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const fileSizeInKiloBytes = getFileSizeInKiloBytes(outputFilePath)
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const expectedMaximumFileSize = 10 // Depends on a platform.
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expect(fileSizeInKiloBytes).to.be.above(0,
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`the trace output file is empty, check "${outputFilePath}"`)
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expect(fileSizeInKiloBytes).to.be.below(expectedMaximumFileSize,
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`the trace output file is suspiciously large (${fileSizeInKiloBytes}KB),
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check "${outputFilePath}"`)
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})
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})
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describe('stopRecording', function () {
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this.timeout(5e3)
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it('does not crash on empty string', async () => {
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const options = {
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categoryFilter: '*',
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traceOptions: 'record-until-full,enable-sampling'
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}
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await contentTracing.startRecording(options)
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const path = await contentTracing.stopRecording('')
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expect(path).to.be.a('string').that.is.not.empty()
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expect(fs.statSync(path).isFile()).to.be.true()
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})
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it('calls its callback with a result file path', async () => {
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const resultFilePath = await record(/* options */ {}, outputFilePath)
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expect(resultFilePath).to.be.a('string').and.be.equal(outputFilePath)
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})
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it('creates a temporary file when an empty string is passed', async function () {
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const resultFilePath = await record(/* options */ {}, /* outputFilePath */ '')
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expect(resultFilePath).to.be.a('string').that.is.not.empty()
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})
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it('creates a temporary file when no path is passed', async function () {
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const resultFilePath = await record(/* options */ {}, /* outputFilePath */ undefined)
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expect(resultFilePath).to.be.a('string').that.is.not.empty()
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})
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})
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})
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