Basic first commit of Photo ID Verification model and test code

lms/djangoapps/verify_student/tests/test_models.py

+# -*- coding: utf-8 -*- 
+from nose.tools import assert_in, assert_is_none, assert_equals, \
+                       assert_raises, assert_not_equals
+from django.test import TestCase
+from student.tests.factories import UserFactory
+from verify_student.models import PhotoVerificationAttempt, VerificationException
+
+
+class TestPhotoVerificationAttempt(object):
+
+    def test_state_transitions(self):
+        """Make sure we can't make unexpected status transitions.
+
+        The status transitions we expect are::
+
+            created → ready → submitted → approved
+                                            ↑ ↓ 
+                                        →  denied
+        """
+        user = UserFactory.create()
+        attempt = PhotoVerificationAttempt(user=user)
+        assert_equals(attempt.status, PhotoVerificationAttempt.STATUS.created)
+        assert_equals(attempt.status, "created")
+
+        # This should fail because we don't have the necessary fields filled out
+        assert_raises(VerificationException, attempt.mark_ready)
+
+        # These should all fail because we're in the wrong starting state.
+        assert_raises(VerificationException, attempt.submit)
+        assert_raises(VerificationException, attempt.approve)
+        assert_raises(VerificationException, attempt.deny)
+
+        # Now let's fill in some values so that we can pass the mark_ready() call
+        attempt.face_image_url = "http://fake.edx.org/face.jpg"
+        attempt.photo_id_image_url = "http://fake.edx.org/photo_id.jpg"
+        attempt.mark_ready()
+        assert_equals(attempt.name, user.profile.name) # Move this to another test
+        assert_equals(attempt.status, "ready")
+
+        # Once again, state transitions should fail here. We can't approve or
+        # deny anything until it's been placed into the submitted state -- i.e. 
+        # the user has clicked on whatever agreements, or given payment, or done
+        # whatever the application requires before it agrees to process their
+        # attempt.
+        assert_raises(VerificationException, attempt.approve)
+        assert_raises(VerificationException, attempt.deny)
+
+        # Now we submit
+        attempt.submit()
+        assert_equals(attempt.status, "submitted")
+
+        # So we should be able to both approve and deny
+        attempt.approve()
+        assert_equals(attempt.status, "approved")
+
+        attempt.deny("Could not read name on Photo ID")
+        assert_equals(attempt.status, "denied")
+
+

lms/djangoapps/verify_student/tests/test_views.py

+"""
+
+
+verify_student/start?course_id=MITx/6.002x/2013_Spring # create
+              /upload_face?course_id=MITx/6.002x/2013_Spring
+              /upload_photo_id
+              /confirm # mark_ready()
+
+ ---> To Payment
+
+"""
+import urllib
+
+from django.test import TestCase
+from django.test.utils import override_settings
+
+from xmodule.modulestore.tests.factories import CourseFactory
+from student.tests.factories import UserFactory
+
+
+class StartView(TestCase):
+
+    def start_url(course_id=""):
+        return "/verify_student/start?course_id={0}".format(urllib.quote(course_id))
+
+    def test_start_new_verification(self):
+        """
+        Test the case where the user has no pending `PhotoVerficiationAttempts`,
+        but is just starting their first.
+        """
+        user = UserFactory.create(username="rusty", password="test")
+        self.client.login(username="rusty", password="test")
+
+    def must_be_logged_in(self):
+        self.assertHttpForbidden(self.client.get(self.start_url()))
+
+    
\ No newline at end of file

lms/djangoapps/verify_student/views.py

+"""
+
+
+"""
+
+@login_required
+def start(request):
+    """
+    If they've already started a PhotoVerificationAttempt, we move to wherever
+    they are in that process. If they've completed one, then we skip straight
+    to payment.
+    """
+    
\ No newline at end of file

lms/envs/common.py

@@ -774,6 +774,9 @@ INSTALLED_APPS = (
 
     # Different Course Modes
     'course_modes'
+
+    # Student Identity Verification
+    'verify_student',
 )
 
 ######################### MARKETING SITE ###############################

requirements/edx/base.txt

@@ -12,6 +12,7 @@ django-followit==0.0.3
 django-keyedcache==1.4-6
 django-kombu==0.9.4
 django-mako==0.1.5pre
+django-model-utils==1.4.0
 django-masquerade==0.1.6
 django-mptt==0.5.5
 django-openid-auth==0.4