2 files changed, 30 insertions, 1 deletions
diff --git a/web-ui/test/unit/login/app.spec.js b/web-ui/test/unit/login/app.spec.js
index 3b6461cf..347e2b19 100644
--- a/web-ui/test/unit/login/app.spec.js
+++ b/web-ui/test/unit/login/app.spec.js
@@ -5,13 +5,22 @@ import { App } from 'src/login/app';
 
 describe('App', () => {
   let app;
+  const mockTranslations = key => key;
 
   beforeEach(() => {
-    const mockTranslations = key => key;
     app = shallow(<App t={mockTranslations} />);
   });
 
   it('renders login form', () => {
     expect(app.find('form').props().action).toEqual('/login');
   });
+
+  it('renders auth error message', () => {
+    app = shallow(<App t={mockTranslations} authError />);
+    expect(app.find('.error').length).toEqual(1);
+  });
+
+  it('does not render auth error message', () => {
+    expect(app.find('.error').length).toEqual(0);
+  });
 });
diff --git a/web-ui/test/unit/util.spec.js b/web-ui/test/unit/util.spec.js
new file mode 100644
index 00000000..84decf6f
--- /dev/null
+++ b/web-ui/test/unit/util.spec.js
@@ -0,0 +1,20 @@
+import expect from 'expect';
+import Util from 'src/util';
+
+describe('Utils', () => {
+  describe('.hasQueryParameter', () => {
+    global.window = {
+      location: {
+        search: '?auth&lng=pt-BR'
+      }
+    };
+
+    it('checks if param included in query parameters', () => {
+      expect(Util.hasQueryParameter('auth')).toBe(true);
+    });
+
+    it('checks if param not included in query parameters', () => {
+      expect(Util.hasQueryParameter('error')).toBe(false);
+    });
+  });
+});