karma.conf.js

module.exports = function(config) {
    var configuration = {
        basePath: '.',
        frameworks: ["jasmine", "karma-typescript"],
        files: [
            { pattern: "src/client/ts/**/*.ts" },
            { pattern: "test/**/*.ts" }
        ],
        karmaTypescriptConfig: {
            compilerOptions: {
                emitDecoratorMetadata: true,
                experimentalDecorators: true,
                jsx: "react",
                module: "commonjs",
                sourceMap: true,
                target: "ES2015"
            }
        },
        preprocessors: {
            "src/**/*.ts": ["karma-typescript", "coverage"],
            "test/**/*.ts": ["karma-typescript"],
        },
        reporters: ['spec', 'coverage'],
        browsers: ["Chrome"],
        specReporter: {
            maxLogLines: 5,         // limit number of lines logged per test
            suppressErrorSummary: true,  // do not print error summary
            suppressFailed: false,  // do not print information about failed tests
            suppressPassed: false,  // do not print information about passed tests
            suppressSkipped: true,  // do not print information about skipped tests
            showSpecTiming: false // print the time elapsed for each spec
        },
        logLevel: config.LOG_WARN,
        singleRun: true,
        customLaunchers: {
            Chrome_travis_ci: {
                base: 'Chrome',
                flags: ['--no-sandbox']
            }
        }
    };

    if (process.env.TRAVIS) {
        configuration.browsers = ['Chrome_travis_ci'];
    }

    config.set(configuration);
};