fix cert test

lms/djangoapps/certificates/tests/test_webview_views.py

@@ -12,7 +12,6 @@ from django.conf import settings
 from django.core.urlresolvers import reverse
 from django.test.client import Client, RequestFactory
 from django.test.utils import override_settings
-from freezegun import freeze_time
 from util.date_utils import strftime_localized
 from mock import patch
 from nose.plugins.attrib import attr
@@ -795,7 +794,42 @@ class CertificatesViewsTests(CommonCertificatesTestCase):
         self.assertIn('course_title_0', response.content)
         self.assertIn('Signatory_Title 0', response.content)
 
-    @freeze_time('2017-09-10 00:00:00Z')
+    @override_settings(FEATURES=FEATURES_WITH_CERTS_ENABLED)
+    @ddt.data(
+        (-2, True),
+        (-2, False),
+        (10, False)
+    )
+    @ddt.unpack
+    def test_html_view_certificate_available_date_for_instructor_paced_courses(self, cert_avail_delta, self_paced):
+        """
+        test certificate web view should display the certificate available date
+        as the issued date for instructor-paced courses
+        """
+        self.course.self_paced = self_paced
+        today = datetime.datetime.today()
+        self.course.certificate_available_date = today + datetime.timedelta(cert_avail_delta)
+        self.store.update_item(self.course, self.user.id)
+        self._add_course_certificates(count=1, signatory_count=1, is_active=True)
+        test_url = get_certificate_url(
+            user_id=self.user.id,
+            course_id=unicode(self.course.id)
+        )
+
+        if self_paced or self.course.certificate_available_date > today:
+            expected_date = today
+        else:
+            expected_date = self.course.certificate_available_date
+        with waffle.waffle().override(waffle.SELF_PACED_ONLY, active=True):
+            with waffle.waffle().override(waffle.INSTRUCTOR_PACED_ONLY, active=True):
+                response = self.client.get(test_url)
+        date = '{month} {day}, {year}'.format(
+            month=strftime_localized(expected_date, "%B"),
+            day=expected_date.day,
+            year=expected_date.year
+        )
+        self.assertIn(date, response.content)
+
     @override_settings(FEATURES=FEATURES_WITH_CERTS_ENABLED)
     def test_render_html_view_invalid_certificate_configuration(self):
         self.course.cert_html_view_enabled = True