51 lines
1.8 KiB
JavaScript
51 lines
1.8 KiB
JavaScript
const asar = require('asar')
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const fs = require('fs')
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const glob = require('glob')
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const mkdirp = require('mkdirp')
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const path = require('path')
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const {Collector, Instrumenter, Reporter} = require('istanbul')
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const outputPath = path.join(__dirname, '..', '..', 'out', 'coverage')
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const libPath = path.join(__dirname, '..', '..', 'lib')
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// Add unrequired files to the coverage report so all files are present there
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const addUnrequiredFiles = (coverage) => {
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const instrumenter = new Instrumenter()
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const libPath = path.join(__dirname, '..', '..', 'lib')
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glob.sync('**/*.js', {cwd: libPath}).map(function (relativePath) {
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return path.join(libPath, relativePath)
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}).filter(function (filePath) {
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return coverage[filePath] == null
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}).forEach(function (filePath) {
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instrumenter.instrumentSync(fs.readFileSync(filePath, 'utf8'), filePath)
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// When instrumenting the code, istanbul will give each FunctionDeclaration
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// a value of 1 in coverState.s,presumably to compensate for function
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// hoisting. We need to reset this, as the function was not hoisted, as it
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// was never loaded.
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Object.keys(instrumenter.coverState.s).forEach(function (key) {
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instrumenter.coverState.s[key] = 0
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});
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coverage[filePath] = instrumenter.coverState
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})
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}
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// Generate a code coverage report in out/coverage/lcov-report
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exports.generateReport = () => {
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const coverage = window.__coverage__
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if (coverage == null) return
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addUnrequiredFiles(coverage)
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const collector = new Collector()
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collector.add(coverage)
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const {ipcRenderer} = require('electron')
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collector.add(ipcRenderer.sendSync('get-coverage'))
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const reporter = new Reporter(null, outputPath)
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reporter.addAll(['text', 'lcov'])
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reporter.write(collector, true, function () {})
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}
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