karma.conf.js

// Karma configuration, placed in the root of the project

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: ['mocha', 'requirejs'],


        // list of files / patterns to load in the browser
        files: [
            'test/test-main.js',
            {pattern: 'src/**/*.js', included: false }
            {pattern: 'test/**/*Spec.js', included: false}
        ],


        // list of files to exclude
        exclude: [
            'src/js/main.js',
            'src/js/bootstrap.js',
            'src/js/services/module.js',
            'src/js/all.js'
        ],


        // preprocess matching files before serving them to the browser
        // available preprocessors: https://npmjs.org/browse/keyword/karma-preprocessor
        preprocessors: {
        },


        // test results reporter to use
        // possible values: 'dots', 'progress'
        // available reporters: https://npmjs.org/browse/keyword/karma-reporter
        reporters: ['progress'],


        // 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_INFO,


        // enable / disable watching file and executing tests whenever any file changes
        autoWatch: true,


        // start these browsers
        // available browser launchers: https://npmjs.org/browse/keyword/karma-launcher
        browsers: ['PhantomJS'],


        // Continuous Integration mode
        // if true, Karma captures browsers, runs the tests and exits
        singleRun: false
    });
};

main.js

requirejs(['require-config'], function() {
    // RequireJS has been configured. It's now safe to load application code.

    requirejs(['bootstrap'],  function(bootstrap) {
        // "main" logic
    });
});

require-config.js

/* I moved the requirejs configuration to a separate file in order to share it with the test setup with having to
   duplicate the code.
*/
requirejs.config({

    // Application configuration option
    paths: {
        'domReady': '../lib/requirejs-domready/domReady',
        'angular': '../lib/angular/angular',
        'angular-ui-router': '../lib/angular-ui-router/release/angular-ui-router',
        'text': '../lib/requirejs-text/text',
        '_': '../lib/lodash/dist/lodash',
        '$': '../lib/jquery/jquery',
        'angular-bootstrap': '../lib/angular-bootstrap/ui-bootstrap',
        'angular-bootstrap-tmpls': '../lib/angular-bootstrap/ui-bootstrap-tpls',
        'moment': '../lib/moment/moment',
        'angular-animate': '../lib/angular-animate/angular-animate',
        'angular-ui-sortable': '../lib/angular-ui-sortable/sortable',
        'jquery-ui': '../lib/jquery-ui/ui/jquery-ui',
        'angular-moment': '../lib/angular-moment/angular-moment',
        'angular-ui-utils-keypress': '../lib/angular-ui-utils/keypress',
        'hello': '../lib/hello/dist/hello.all'
    },

    /**
     * for libs that either do not support AMD out of the box, or
     * require some fine tuning to dependency mgt'
     */
    shim: {
        'angular': {
            exports: 'angular'
        },
        'angular-ui-router': {
            deps: ['angular']
        },
        '_': {
            exports: '_'
        },
        'angular-bootstrap-tmpls': {
            deps: ['angular']
        },
        'angular-bootstrap': {
            deps: ['angular', '$', 'angular-bootstrap-tmpls']
        },
        'moment': {
            exports: 'moment'
        },
        'angular-animate': {
            deps: ['angular']
        },
        'angular-ui-sortable': {
            deps: ['angular', 'jquery-ui']
        },
        'jquery-ui': {
            deps: ['$']
        },
        'angular-moment': {
            deps: ['moment', 'angular']
        },
        'angular-ui-utils-keypress': {
            deps: ['angular']
        }
    }
});

test-main.js

var tests = [];
for (var file in window.__karma__.files) {
    if (/Spec\.js$/.test(file)) { // every test file should end up in Spec for this configuration
        tests.push(file);
    }
}

// reference the requirejs configuration
require.config({
    baseUrl: '/base/src/js',
    deps: ['/base/src/js/require-config.js'],
    callback: function() {
        'use strict';
        require(tests, window.__karma__.start);
    }
});