diff --git a/colab/accounts/tests/test_view_signup.py b/colab/accounts/tests/test_view_signup.py
new file mode 100644
index 0000000..186ae70
--- /dev/null
+++ b/colab/accounts/tests/test_view_signup.py
@@ -0,0 +1,44 @@
+"""
+Test Sign Up view
+This test related with accounts/views.py
+"""
+
+from django.test import TestCase, Client
+from colab.accounts.models import User 
+
+class TestSignUpView(TestCase):
+
+    def setUp(self):
+        self.user = self.create_user_django()
+        self.client = Client()
+
+    def tearDown(self):
+        self.user.delete()
+
+    def create_user_django(self):
+        user = User.objects.create_user("USERtestCoLaB",
+                                        "usertest@colab.com.br", "123colab4") 
+        return user
+
+    def test_user_authenticated_and_unregistered(self):
+        self.client.login(username="usertestcolab", password="123colab4")
+        response = self.client.get("/account/register/")
+        self.assertEquals(200, response.status_code)
+        self.client.logout()
+
+    def test_user_authenticated_and_registered(self):
+        self.user.needs_update = False
+        self.user.save()
+        self.client.login(username="usertestcolab", password="123colab4")
+        response = self.client.get("/account/register/")
+        self.assertEquals(302, response.status_code)
+        url = "http://testserver/account/usertestcolab"
+        self.assertEquals(url, response.url)
+        self.client.logout()
+
+    def test_user_not_authenticated(self):
+        response = self.client.get("/account/register/")
+        self.assertEquals(302 , response.status_code)
+        url = "http://testserver/account/login"
+        self.assertEquals(url, response.url)
+
diff --git a/colab/accounts/views.py b/colab/accounts/views.py
index b18b17f..448d576 100644
--- a/colab/accounts/views.py
+++ b/colab/accounts/views.py
@@ -123,17 +123,22 @@ class UserProfileDetailView(UserProfileBaseMixin, DetailView):
 
 
 def signup(request):
+    # TODO: Refactor 
     user = request.user
 
-    # If the user is not authenticated, redirect to login
+    # If the user is not authenticated in Persona, and try to access url
+    # /account/register/ then he will be redirected to login page. 
     if not user.is_authenticated():
         return redirect('login')
 
-    # If the user doesn't need to update its main data, redirect to its profile
+    # If the user is authenticated in Persona, already register in Colab
+    # and try to access directly "/account/register/", then he will be redirect
+    # to user profile.
     if not user.needs_update:
         return redirect('user_profile', username=user.username)
 
-    # If the request method is GET just return the form
+    # If the user is authenticated in Persona, but not in the Colab then he 
+    # will be redirected to the register form.
     if request.method == 'GET':
         user_form = UserCreationForm()
         lists_form = ListsForm()
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