diff --git a/karma.conf.js b/karma.conf.js
new file mode 100644
index 0000000..4de5c1e
--- /dev/null
+++ b/karma.conf.js
@@ -0,0 +1,36 @@
+module.exports = function(config) {
+    config.set({
+        basePath: '',
+        frameworks: ['browserify', 'mocha'],
+        files: [
+            'blocks/**/test.js'
+        ],
+        preprocessors: {
+            'blocks/**/*.js': ['browserify']
+        },
+        browserify: {
+            debug: true,
+            transform: [
+                [
+                    'babelify',
+                    {
+                        presets: ['es2015', 'stage-2', 'react']
+                    }
+                ]
+            ],
+            configure(bundle) {
+                bundle.on('prebundle', () => {
+                    bundle.external('react/lib/ReactContext');
+                    bundle.external('react/lib/ExecutionEnvironment');
+                });
+            }
+        },
+        reporters: ['progress'],
+        port: 9876,
+        colors: true,
+        logLevel: config.LOG_INFO,
+        autoWatch: false,
+        browsers: ['Chrome'],
+        singleRun: false,
+    });
+};
diff --git a/package.json b/package.json
index 20e44e6..7b1e79f 100644
--- a/package.json
+++ b/package.json
@@ -8,7 +8,9 @@
     "start": "gulp",
     "unit": "mocha --compilers js:babel-register -r jsdom-global/register blocks/**/test.js",
     "test": "npm run unit",
-    "pretest": "npm run lint"
+    "pretest": "npm run lint",
+    "karma": "./node_modules/karma/bin/karma start --single-run --browsers PhantomJS",
+    "karma:watch": "./node_modules/karma/bin/karma start --auto-watch"
   },
   "author": "Vladimir Varankin <nek.narqo@gmail.com> (http://github.com/narqo)",
   "license": "WTFPL",
@@ -42,11 +44,20 @@
     "gulp-jade": "^1.1.0",
     "gulp-rename": "^1.2.2",
     "gulp-util": "^3.0.7",
+    "jasmine-core": "^2.4.1",
     "jsdom": "^8.4.0",
     "jsdom-global": "^1.7.0",
+    "karma": "^0.13.19",
+    "karma-babel-preprocessor": "^6.0.1",
+    "karma-browserify": "^5.0.0",
+    "karma-chrome-launcher": "^0.2.2",
+    "karma-jasmine": "^0.3.6",
+    "karma-mocha": "^1.0.1",
+    "karma-phantomjs-launcher": "^1.0.0",
     "merge-stream": "^1.0.0",
     "mocha": "^2.4.5",
-    "react-addons-test-utils": "^15.0.1",
+    "phantomjs-prebuilt": "^2.1.4",
+    "react-addons-test-utils": "^15.0.2",
     "sinon": "^1.17.3",
     "vinyl-source-stream": "^1.1.0",
     "watchify": "^3.7.0"