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karma.conf.js
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karma.conf.js
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const path = require('path');
module.exports = function (config) {
config.set({
frameworks: ['detectBrowsers', 'jasmine', 'source-map-support'],
files: [
'node_modules/@babel/polyfill/dist/polyfill.min.js',
'node_modules/@webcomponents/webcomponentsjs/custom-elements-es5-adapter.js',
'node_modules/@webcomponents/webcomponentsjs/webcomponents-bundle.js',
'test/test-istanbul.js'
],
reporters: ['mocha', 'coverage-istanbul', 'junit'],
port: 9876, // karma web server port
colors: true,
logLevel: config.LOG_DISABLED,
autoWatch: false,
singleRun: true,
concurrency: Infinity,
customLaunchers: {
fixed_chrome: {
base: 'ChromeHeadless',
flags: ['--headless', '--disable-gpu', '--no-sandbox']
}
},
preprocessors: {
'test/test-istanbul.js' : ['sourcemap']
},
detectBrowsers: {
// enable/disable, default is true
enabled: true,
// enable/disable phantomjs support, default is true
usePhantomJS: false,
// use headless mode, for browsers that support it, default is false
preferHeadless: true,
postDetection: function(availableBrowsers) {
availableBrowsers = availableBrowsers.filter((value) => value.indexOf('Chrome') < 0)
availableBrowsers = availableBrowsers.filter((value) => value.indexOf('Safari') < 0)
availableBrowsers.push('fixed_chrome');
console.log(availableBrowsers);
return availableBrowsers;
}
},
junitReporter: {
outputDir: path.join(__dirname, 'reports', 'junit')
},
// any of these options are valid: https://github.com/istanbuljs/istanbuljs/blob/aae256fb8b9a3d19414dcf069c592e88712c32c6/packages/istanbul-api/lib/config.js#L33-L39
coverageIstanbulReporter: {
// reports can be any that are listed here: https://github.com/istanbuljs/istanbuljs/tree/aae256fb8b9a3d19414dcf069c592e88712c32c6/packages/istanbul-reports/lib
reports: ['html', 'lcovonly', 'text-summary', 'cobertura'],
// base output directory. If you include %browser% in the path it will be replaced with the karma browser name
dir: path.join(__dirname, 'reports', 'coverage'),
// Combines coverage information from multiple browsers into one report rather than outputting a report
// for each browser.
combineBrowserReports: true,
// if using webpack and pre-loaders, work around webpack breaking the source path
fixWebpackSourcePaths: true,
// Omit files with no statements, no functions and no branches from the report
skipFilesWithNoCoverage: true,
// Most reporters accept additional config options. You can pass these through the `report-config` option
'report-config': {
// all options available at: https://github.com/istanbuljs/istanbuljs/blob/aae256fb8b9a3d19414dcf069c592e88712c32c6/packages/istanbul-reports/lib/html/index.js#L135-L137
html: {
// outputs the report in ./coverage/html
subdir: 'html'
}
},
// enforce percentage thresholds
// anything under these percentages will cause karma to fail with an exit code of 1 if not running in watch mode
thresholds: {
emitWarning: false, // set to `true` to not fail the test command when thresholds are not met
// thresholds for all files
global: {
statements: 0,
lines: 0,
branches: 0,
functions: 0
},
// thresholds per file
each: {
statements: 0,
lines: 0,
branches: 0,
functions: 0,
overrides: {
}
}
},
verbose: false // output config used by istanbul for debugging
}
})
}