Added __str__ methods to the ProgramType and SeatType models

ECOM-5173

course_discovery/apps/course_metadata/models.py

@@ -411,6 +411,9 @@ class SeatType(TimeStampedModel):
     name = models.CharField(max_length=64, unique=True)
     slug = AutoSlugField(populate_from='name')
 
+    def __str__(self):
+        return self.name
+
 
 class Seat(TimeStampedModel):
     """ Seat model. """
@@ -503,6 +506,9 @@ class ProgramType(TimeStampedModel):
                               'of the course counted toward the completion of the program.'),
     )
 
+    def __str__(self):
+        return self.name
+
 
 class Program(TimeStampedModel):
     class ProgramStatus(DjangoChoices):

course_discovery/apps/course_metadata/tests/factories.py

@@ -12,7 +12,7 @@ from course_discovery.apps.core.tests.factories import PartnerFactory
 from course_discovery.apps.core.tests.utils import FuzzyURL
 from course_discovery.apps.course_metadata.models import (
     Course, CourseRun, Organization, Person, Image, Video, Subject, Seat, Prerequisite, LevelType, Program,
-    AbstractSocialNetworkModel, CourseRunSocialNetwork, PersonSocialNetwork, ProgramType
+    AbstractSocialNetworkModel, CourseRunSocialNetwork, PersonSocialNetwork, ProgramType, SeatType,
 )
 from course_discovery.apps.ietf_language_tags.models import LanguageTag
 
@@ -229,3 +229,10 @@ class CourseRunSocialNetworkFactory(AbstractSocialNetworkModelFactory):
 
     class Meta:
         model = CourseRunSocialNetwork
+
+
+class SeatTypeFactory(factory.django.DjangoModelFactory):
+    class Meta(object):
+        model = SeatType
+
+    name = FuzzyText()

course_discovery/apps/course_metadata/tests/test_models.py

@@ -316,7 +316,7 @@ class ProgramTests(TestCase):
         factories.SeatFactory(type='credit', currency=currency, course_run=course_run, price=600)
         factories.SeatFactory(type='verified', currency=currency, course_run=course_run, price=100)
         applicable_seat_types = SeatType.objects.filter(slug__in=['credit', 'verified'])
-        program_type = factories.ProgramTypeFactory(name='XSeries', applicable_seat_types=applicable_seat_types)
+        program_type = factories.ProgramTypeFactory(applicable_seat_types=applicable_seat_types)
         program = factories.ProgramFactory(type=program_type, courses=[course_run.course])
 
         expected_price_ranges = [{'currency': 'USD', 'min': Decimal(100), 'max': Decimal(600)}]
@@ -374,3 +374,17 @@ class CourseSocialNetworkTests(TestCase):
         factories.CourseRunSocialNetworkFactory(course_run=self.course_run, type='facebook')
         with self.assertRaises(IntegrityError):
             factories.CourseRunSocialNetworkFactory(course_run=self.course_run, type='facebook')
+
+
+class SeatTypeTests(TestCase):
+    """ Tests of the SeatType model. """
+    def test_str(self):
+        seat_type = factories.SeatTypeFactory()
+        self.assertEqual(str(seat_type), seat_type.name)
+
+
+class ProgramTypeTests(TestCase):
+    """ Tests of the ProgramType model. """
+    def test_str(self):
+        program_type = factories.ProgramTypeFactory()
+        self.assertEqual(str(program_type), program_type.name)