karma.conf.js

// karma.conf.js

// if debugging, disable instrumentation for coverage
var sourcePreprocessors = 'coverage';
function isDebug(argument) {
    return argument === '--debug';
}
if (process.argv.some(isDebug)) {
    sourcePreprocessors = [];
}

module.exports = function(config) {
    config.set({
        frameworks: ['jasmine-jquery', 'jasmine'],

        browserConsoleLogOptions: {
            level: 'log',
            format: '%b %T: %m',
            path: 'karma.log'
        },

        client: {
            captureConsole: true
        },

        logLevel: config.LOG_DEBUG,

        files: [
            './js/jquery.min.js',
            './js/jquery-ui.min.js',
            './js/bootstrap/bootstrap.min.js',
            './js/underscore.min.js',
            './js/moment.min.js',
            './js/application.js',
            './js/general-tools.js',
            './js/project-page-functions.js',
            './js/i18n.js',

            // served fixtures
            { pattern: 'test/fixtures/**/*.*', included: false, served: true },

            './test/spec/*.js',
            './test/spec/support/*.js'
        ],

        // coverage reporter generates the coverage
        reporters: ['coverage', 'coveralls'],

        preprocessors: {
            // source files, that you wanna generate coverage for
            // do not include tests or libraries
            // (these files will be instrumented by Istanbul)
            './js/general-tools.js': sourcePreprocessors,
            './js/project-page-functions.js': sourcePreprocessors,
            './js/application.js': sourcePreprocessors,
            './js/i18n.js': sourcePreprocessors
        },

        // optionally, configure the reporter
        coverageReporter: {
            // type : 'html', // use this to see the code coverage
            type : 'lcov', // needed by coveralls
            dir : 'coverage/'
        }
    })
};