test: adds cea tests for enroll_subsidy_users util

tests/test_enterprise/test_utils.py

@@ -526,6 +526,71 @@ def test_enroll_subsidy_users_in_courses_user_identifier_failures(
         )
         self.assertEqual(len(EnterpriseCourseEnrollment.objects.all()), 0)
 
+    @ddt.unpack
+    @ddt.data(
+        (True, True),
+        (True, False),
+        (False, True),
+        (False, False),
+    )
+    @mock.patch('enterprise.utils.lms_update_or_create_enrollment')
+    @mock.patch('enterprise.utils.ensure_course_enrollment_is_allowed')
+    def test_enroll_subsidy_users_in_courses_for_invite_only_courses(
+        self,
+        invite_only,
+        enrollment_allowed,
+        mock_ensure_course_enrollment_is_allowed,
+        mock_update_or_create_enrollment,
+    ):
+        """
+        Test that the users ensure_course_enrollemnt_is_allowed is called for
+        invitiation-only courses when the enterprise_customer has the flag enabled.
+        """
+        self.create_user()
+
+        ent_customer = factories.EnterpriseCustomerFactory(
+            uuid=FAKE_UUIDS[0],
+            name="test_enterprise",
+            allow_enrollment_in_invite_only_courses=enrollment_allowed,
+        )
+        factories.EnterpriseCustomerUserFactory(
+            user_id=self.user.id,
+            enterprise_customer=ent_customer,
+        )
+        licensed_users_info = [{
+            'email': self.user.email,
+            'course_run_key': 'course-key-v1',
+            'course_mode': 'verified',
+            'license_uuid': '5b77bdbade7b4fcb838f8111b68e18ae',
+            'invitation_only': invite_only,
+        }]
+
+        mock_update_or_create_enrollment.return_value = True
+        result = enroll_subsidy_users_in_courses(ent_customer, licensed_users_info)
+        self.assertEqual(
+            {
+                'pending': [],
+                'successes': [{
+                    'user_id': self.user.id,
+                    'email': self.user.email,
+                    'course_run_key': 'course-key-v1',
+                    'user': self.user,
+                    'created': True,
+                    'activation_link': None,
+                    'enterprise_fulfillment_source_uuid': LicensedEnterpriseCourseEnrollment.objects.first().uuid,
+                }],
+                'failures': []
+            },
+            result
+        )
+        self.assertEqual(len(EnterpriseCourseEnrollment.objects.all()), 1)
+        if invite_only and enrollment_allowed:
+            mock_ensure_course_enrollment_is_allowed.assert_called()
+        else:
+            mock_ensure_course_enrollment_is_allowed.assert_not_called()
+
+
+
     def test_enroll_pending_licensed_users_in_courses_succeeds(self):
         """
         Test that users that do not exist are pre-enrolled by enroll_subsidy_users_in_courses and returned under the