diff --git a/index.js b/index.js
index 9eea6a31..6b38a21f 100644
--- a/index.js
+++ b/index.js
@@ -372,6 +372,8 @@ module.exports = {
      */
     enableTypeScriptLoader(callback = () => {}) {
         webpackConfig.enableTypeScriptLoader(callback);
+
+        return this;
     },
 
     /**
diff --git a/test/index.js b/test/index.js
new file mode 100644
index 00000000..d1d2b444
--- /dev/null
+++ b/test/index.js
@@ -0,0 +1,206 @@
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+'use strict';
+
+const expect = require('chai').expect;
+require('../lib/context').runtimeConfig = {};
+const api = require('../index');
+
+describe('Public API', () => {
+
+    describe('setOutputPath', () => {
+
+        it('must return the API object', () => {
+            const returnedValue = api.setOutputPath('/');
+            expect(returnedValue).to.equal(api);
+        });
+
+    });
+
+    describe('setPublicPath', () => {
+
+        it('must return the API object', () => {
+            const returnedValue = api.setPublicPath('/');
+            expect(returnedValue).to.equal(api);
+        });
+
+    });
+
+    describe('setManifestKeyPrefix', () => {
+
+        it('must return the API object', () => {
+            const returnedValue = api.setManifestKeyPrefix('/build');
+            expect(returnedValue).to.equal(api);
+        });
+
+    });
+
+    describe('addEntry', () => {
+
+        it('must return the API object', () => {
+            const returnedValue = api.addEntry('entry', 'main.js');
+            expect(returnedValue).to.equal(api);
+        });
+
+    });
+
+    describe('addStyleEntry', () => {
+
+        it('must return the API object', () => {
+            const returnedValue = api.addStyleEntry('styleEntry', 'main.css');
+            expect(returnedValue).to.equal(api);
+        });
+
+    });
+
+    describe('addPlugin', () => {
+
+        it('must return the API object', () => {
+            const returnedValue = api.addPlugin(null);
+            expect(returnedValue).to.equal(api);
+        });
+
+    });
+
+    describe('addLoader', () => {
+
+        it('must return the API object', () => {
+            const returnedValue = api.addLoader(null);
+            expect(returnedValue).to.equal(api);
+        });
+
+    });
+
+    describe('addRule', () => {
+
+        it('must return the API object', () => {
+            const returnedValue = api.addRule(null);
+            expect(returnedValue).to.equal(api);
+        });
+
+    });
+
+    describe('enableVersioning', () => {
+
+        it('must return the API object', () => {
+            const returnedValue = api.enableVersioning();
+            expect(returnedValue).to.equal(api);
+        });
+
+    });
+
+    describe('enableSourceMaps', () => {
+
+        it('must return the API object', () => {
+            const returnedValue = api.enableSourceMaps();
+            expect(returnedValue).to.equal(api);
+        });
+
+    });
+
+    describe('createSharedEntry', () => {
+
+        it('must return the API object', () => {
+            const returnedValue = api.createSharedEntry('sharedEntry', 'vendor.js');
+            expect(returnedValue).to.equal(api);
+        });
+
+    });
+
+    describe('autoProvideVariables', () => {
+
+        it('must return the API object', () => {
+            const returnedValue = api.autoProvideVariables({});
+            expect(returnedValue).to.equal(api);
+        });
+
+    });
+
+    describe('autoProvidejQuery', () => {
+
+        it('must return the API object', () => {
+            const returnedValue = api.autoProvidejQuery();
+            expect(returnedValue).to.equal(api);
+        });
+
+    });
+
+    describe('enablePostCssLoader', () => {
+
+        it('must return the API object', () => {
+            const returnedValue = api.enablePostCssLoader();
+            expect(returnedValue).to.equal(api);
+        });
+
+    });
+
+    describe('enableSassLoader', () => {
+
+        it('must return the API object', () => {
+            const returnedValue = api.enableSassLoader();
+            expect(returnedValue).to.equal(api);
+        });
+
+    });
+
+    describe('enableLessLoader', () => {
+
+        it('must return the API object', () => {
+            const returnedValue = api.enableLessLoader();
+            expect(returnedValue).to.equal(api);
+        });
+
+    });
+
+    describe('setOutputPath', () => {
+
+        it('must return the API object', () => {
+            const returnedValue = api.configureBabel(() => {});
+            expect(returnedValue).to.equal(api);
+        });
+
+    });
+
+    describe('enableReactPreset', () => {
+
+        it('must return the API object', () => {
+            const returnedValue = api.enableReactPreset();
+            expect(returnedValue).to.equal(api);
+        });
+
+    });
+
+    describe('enableTypeScriptLoader', () => {
+
+        it('must return the API object', () => {
+            const returnedValue = api.enableTypeScriptLoader();
+            expect(returnedValue).to.equal(api);
+        });
+
+    });
+
+    describe('enableVueLoader', () => {
+
+        it('must return the API object', () => {
+            const returnedValue = api.enableVueLoader();
+            expect(returnedValue).to.equal(api);
+        });
+
+    });
+
+    describe('cleanupOutputBeforeBuild', () => {
+
+        it('must return the API object', () => {
+            const returnedValue = api.cleanupOutputBeforeBuild();
+            expect(returnedValue).to.equal(api);
+        });
+
+    });
+});