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karma.conf.js
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karma.conf.js
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// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
// SPDX-License-Identifier: MIT-0
// We will use the core Webpack with a few changes for unit testing
const webpackConfig = require('./webpack.test');
// Removing the output will stop karma from outputing chunks for the test code
delete webpackConfig.output;
const TEST_BROWSERS =
process.env.TEST_BROWSERS !== undefined
? process.env.TEST_BROWSERS.split(',')
.map(s => s.trim())
.filter(s => s !== '')
: ['Chrome'];
console.log(`TEST_BROWSERS=${TEST_BROWSERS.join(',')}`);
module.exports = function(config) {
config.set({
// base path that will be used to resolve all patterns (eg. files, exclude)
basePath: '',
// frameworks to use
// available frameworks: https://npmjs.org/browse/keyword/karma-adapter
frameworks: ['jasmine', 'webpack'],
client: {
jasmine: {
random: false,
},
},
plugins: [
'karma-jasmine',
'karma-webpack',
'karma-firefox-launcher',
'karma-chrome-launcher',
'karma-spec-reporter',
],
// list of files / patterns to load in the browser
files: [
'packages/**/test/unit/**/*.spec.js',
{
pattern: 'packages/**/test/assets/*',
watched: false,
served: true,
included: false,
},
],
// list of files / patterns to exclude
exclude: [],
// preprocess matching files before serving them to the browser
// available preprocessors: https://npmjs.org/browse/keyword/karma-preprocessor
preprocessors: {
'packages/**/test/unit/**/*.spec.js': ['webpack'],
},
// test results reporter to use
// possible values: 'dots', 'progress'
// available reporters: https://npmjs.org/browse/keyword/karma-reporter
reporters: ['spec'],
specReporter: {
suppressErrorSummary: false, // print error summary
suppressFailed: false, // print information about failed tests
suppressPassed: false, // print information about passed tests
suppressSkipped: false, // print information about skipped tests
showSpecTiming: true, // print the time elapsed for each spec
},
// web server port
port: 9876,
// enable / disable colors in the output (reporters and logs)
colors: true,
// level of logging
// possible values: config.LOG_DISABLE || config.LOG_ERROR || config.LOG_WARN || config.LOG_INFO || config.LOG_DEBUG
logLevel: config.LOG_DEBUG,
debugMode: true,
// enable / disable watching file and executing tests whenever any file changes
autoWatch: false,
// start these browsers
// available browser launchers: https://npmjs.org/browse/keyword/karma-launcher
browsers: TEST_BROWSERS,
// Continuous Integration mode
// if true, Karma captures browsers, runs the tests and exits
singleRun: true,
// Concurrency level
// how many browser should be started simultaneous
concurrency: Infinity,
webpack: webpackConfig,
webpackServer: {
noInfo: true,
},
});
};