chore: add basic unit-testing infrastructure with Karma

.gitignore

@@ -1,2 +1,3 @@
+npm-debug.log
 node_modules
 dist

TODO.md

@@ -1,2 +1,5 @@
-- testing infrastructure
--
+* testing infrastructure
+    * finish first version of the pre-processor
+        * calculate module path name
+        * push options to the karma config configuration
+        * how can I start all JS tests from System.register modules

build/karma-typescript-preprocessor/index.js

@@ -0,0 +1,37 @@
+var ts = require('typescript');
+var path = require('path');
+
+var createTypeScriptPreprocessor = function (args, config, logger) {
+
+    var log = logger.create('preprocessor.typescript');
+    var projectBasePath = path.resolve(__dirname, '../..'); //TODO: OS-specific, path specific
+
+    return function (content, file, done) {
+
+        var baseRelativePath = path.relative(projectBasePath, file.originalPath);
+        baseRelativePath = path.join('base', baseRelativePath);
+
+        log.debug('Processing "%s".', file.originalPath);
+
+        //TODO: pass those options from "outside"
+        var compilerOptions = {
+            module: ts.ModuleKind.System,
+            experimentalDecorators: true
+        };
+
+        var compileResult = ts.transpileModule(content, {
+            compilerOptions: compilerOptions,
+            moduleName: baseRelativePath.slice(0, -path.extname(baseRelativePath).length)
+        });
+
+        //TODO: what happens if there is transpilation error?
+        done(compileResult.outputText); //keys: [ 'outputText', 'diagnostics', 'sourceMapText' ]
+    };
+};
+
+// PUBLISH DI MODULE
+module.exports = {
+    'preprocessor:TypeScript': ['factory', createTypeScriptPreprocessor]
+};
+
+//TODO: source-map support

build/tests-bootstrap.js

@@ -0,0 +1,20 @@
+// Cancel Karma's synchronous start,
+// we will call `__karma__.start()` later, once all the specs are loaded.
+__karma__.loaded = function() {};
+
+// Import all the specs, execute their `main()` method and kick off Karma (Jasmine).
+Promise
+    .all(Object.keys(window.__karma__.files) // All files served by Karma.
+        .filter(onlySpecFiles)
+        .map(function(path) {
+            return System.import(path.slice(0, -3)); //TODO: hard-coded extension length
+        }))
+    .then(function() {
+        __karma__.start();
+    }, function(error) {
+        __karma__.error(error.stack || error);
+    });
+
+function onlySpecFiles(path) {
+    return /spec\.ts$/.test(path); //TODO: hard-coded extension
+}

gulpfile.js

@@ -3,12 +3,13 @@ var gulp = require('gulp');
 var PATHS = {
     src: {
         js: 'src/**/*.ts',
+        test: 'test/**/*.spec.ts',
         html: 'src/**/*.html'
     },
     lib: [
         'node_modules/angular2/node_modules/traceur/bin/traceur-runtime.js',
-        'node_modules/angular2/bundles/angular2.js',
-        'node_modules/systemjs/dist/system-csp-production.js'
+        'node_modules/systemjs/dist/system-csp-production.js',
+        'node_modules/angular2/bundles/angular2.js'
     ],
     typings: 'node_modules/angular2/bundles/typings/angular2/angular2.d.ts'
 };
@@ -40,6 +41,25 @@ gulp.task('libs', function () {
     return gulp.src(PATHS.lib).pipe(gulp.dest('dist/lib'));
 });
 
+gulp.task('test', function (done) {
+    var Server = require('karma').Server;
+    new Server({
+        browsers: ['Chrome'],
+        frameworks: ['jasmine'],
+        files: [
+            PATHS.lib[0], PATHS.lib[1], PATHS.lib[2], //TODO: do it better
+            PATHS.src.js,
+            PATHS.src.test,
+            'build/tests-bootstrap.js'
+        ],
+        preprocessors: {
+            '**/*.ts': ['TypeScript']
+        },
+        plugins: ['karma-jasmine', 'karma-chrome-launcher', require('./build/karma-typescript-preprocessor')],
+        singleRun: true
+    }, done).start();
+});
+
 gulp.task('play', ['libs', 'html', 'js'], function () {
     var httpPlay = require('http-play');
 
@@ -48,4 +68,3 @@ gulp.task('play', ['libs', 'html', 'js'], function () {
 
     httpPlay({dist: __dirname + '/dist', port: 9000});
 });
-

package.json

@@ -14,7 +14,12 @@
     "del": "^1.2.0",
     "gulp": "^3.9.0",
     "gulp-typescript": "^2.8.0",
-    "http-play": "^0.1.0"
+    "http-play": "^0.1.0",
+    "jasmine-core": "^2.3.4",
+    "karma": "^0.13.9",
+    "karma-chrome-launcher": "^0.2.0",
+    "karma-jasmine": "^0.3.6",
+    "typescript": "^1.6.0-dev.20150915"
   },
   "dependencies": {
     "angular2": "2.0.0-alpha.37",

test/progress/progress.spec.ts

@@ -0,0 +1,14 @@
+import {BsProgress} from '../../src/progress/progress';
+
+describe('progress', () => {
+    var progress;
+
+    beforeEach(() => {
+        progress = new BsProgress();
+    });
+
+    it('should calculate progress percent for default min = 0 / max = 100', () => {
+        progress.value = 60;
+        expect(progress.getPercentValue()).toBe(60);
+    });
+});