Adding the ecom api functionality for the credentials.

ECOM-2931

lms/djangoapps/commerce/tests/__init__.py

@@ -4,6 +4,7 @@ import datetime
 import json
 
 from django.conf import settings
+from django.contrib.auth.models import User
 from django.test import TestCase
 from django.test.utils import override_settings
 from freezegun import freeze_time
@@ -99,3 +100,13 @@ class EdxRestApiClientTest(TestCase):
         )
         actual_object = ecommerce_api_client(self.user).baskets(1).order.get()
         self.assertEqual(actual_object, {u"result": u"Préparatoire"})
+
+    def test_client_with_user_without_profile(self):
+        """
+        Verify client initialize successfully for users having no profile.
+        """
+        worker = User.objects.create_user(username='test_worker', email='test@example.com')
+        api_client = ecommerce_api_client(worker)
+
+        self.assertEqual(api_client._store['session'].auth.__dict__['username'], worker.username)  # pylint: disable=protected-access
+        self.assertIsNone(api_client._store['session'].auth.__dict__['full_name'])  # pylint: disable=protected-access

lms/templates/credit_notifications/credit_eligibility_email.html

@@ -34,13 +34,25 @@
             </p>
 
             <p>
-              ${_(u"Congratulations! You are eligible to receive course credit for successfully completing your {platform_name} course! {link_start}Get your credit now.{link_end}").format(
-                link_start=u'<a href="{dashboard_url}">'.format(
-                    dashboard_url=dashboard_link
-                ),
-                link_end=u'</a>',
-                platform_name=settings.PLATFORM_NAME
-              )}
+
+              % if providers:
+                  ${_(u"Congratulations! You are eligible to receive course credit from {providers} for successfully completing your {platform_name} course! {link_start}Get your credit now.{link_end}").format(
+                    link_start=u'<a href="{dashboard_url}">'.format(
+                        dashboard_url=dashboard_link
+                    ),
+                    link_end=u'</a>',
+                    platform_name=settings.PLATFORM_NAME,
+                    providers=providers
+                  )}
+              % else:
+                  ${_(u"Congratulations! You are eligible to receive course credit for successfully completing your {platform_name} course! {link_start}Get your credit now.{link_end}").format(
+                    link_start=u'<a href="{dashboard_url}">'.format(
+                        dashboard_url=dashboard_link
+                    ),
+                    link_end=u'</a>',
+                    platform_name=settings.PLATFORM_NAME
+                  )}
+              % endif
             </p>
 
             <p>

lms/templates/credit_notifications/credit_eligibility_email.txt

@@ -5,7 +5,11 @@ ${_(u"Hi {name},").format(name=full_name)}
 ${_(u"Hi,")}
 % endif
 
-${_(u"Congratulations! You are eligible to receive course credit for successfully completing your edX course!")}
+% if providers:
+    ${_(u"Congratulations! You are eligible to receive course credit from {providers} for successfully completing your edX course!").format(providers=providers)}
+% else:
+    ${_(u"Congratulations! You are eligible to receive course credit for successfully completing your edX course!")}
+% endif
 
 ${_(u"Click on the link below to get your credit now:")}
 

openedx/core/djangoapps/commerce/utils.py

@@ -28,11 +28,13 @@ def is_commerce_service_configured():
 
 def ecommerce_api_client(user):
     """ Returns an E-Commerce API client setup with authentication for the specified user. """
-    return EdxRestApiClient(settings.ECOMMERCE_API_URL,
-                            settings.ECOMMERCE_API_SIGNING_KEY,
-                            user.username,
-                            user.profile.name,
-                            user.email,
-                            tracking_context=create_tracking_context(user),
-                            issuer=settings.JWT_ISSUER,
-                            expires_in=settings.JWT_EXPIRATION)
+    return EdxRestApiClient(
+        settings.ECOMMERCE_API_URL,
+        settings.ECOMMERCE_API_SIGNING_KEY,
+        user.username,
+        user.profile.name if hasattr(user, 'profile') else None,
+        user.email,
+        tracking_context=create_tracking_context(user),
+        issuer=settings.JWT_ISSUER,
+        expires_in=settings.JWT_EXPIRATION
+    )

openedx/core/djangoapps/credit/admin.py

@@ -3,7 +3,7 @@ Django admin page for credit eligibility
 """
 from ratelimitbackend import admin
 from openedx.core.djangoapps.credit.models import (
-    CreditCourse, CreditProvider, CreditEligibility, CreditRequest
+    CreditConfig, CreditCourse, CreditProvider, CreditEligibility, CreditRequest
 )
 
 
@@ -51,3 +51,4 @@ admin.site.register(CreditCourse, CreditCourseAdmin)
 admin.site.register(CreditProvider, CreditProviderAdmin)
 admin.site.register(CreditEligibility, CreditEligibilityAdmin)
 admin.site.register(CreditRequest, CreditRequestAdmin)
+admin.site.register(CreditConfig)

openedx/core/djangoapps/credit/email_utils.py

@@ -21,10 +21,11 @@ from django.utils.translation import ugettext as _
 from email.mime.image import MIMEImage
 from email.mime.multipart import MIMEMultipart
 from eventtracking import tracker
-
 from edxmako.shortcuts import render_to_string
 from edxmako.template import Template
 from microsite_configuration import microsite
+from openedx.core.djangoapps.commerce.utils import ecommerce_api_client
+from openedx.core.djangoapps.credit.models import CreditConfig, CreditProvider
 from xmodule.modulestore.django import modulestore
 
 
@@ -67,6 +68,26 @@ def send_credit_notifications(username, course_key):
         # strip enclosing angle brackets from 'logo_image' cache 'Content-ID'
         logo_image_id = logo_image.get('Content-ID', '')[1:-1]
 
+    providers = get_credit_provider_display_names(course_key)
+    providers_string = None
+    if providers:
+        if len(providers) > 1:
+            if len(providers) > 2:
+                # Translators: The join of three or more university names. The first of these formatting strings
+                # represents a comma-separated list of names (e.g., MIT, Harvard, Dartmouth).
+                providers_string = _("{first_providers}, and {last_provider}").format(
+                    first_providers=u", ".join(providers[:-1]),
+                    last_provider=providers[-1]
+                )
+            else:
+                # Translators: The join of two university names (e.g., Harvard and MIT).
+                providers_string = _("{first_provider} and {second_provider}").format(
+                    first_provider=providers[0],
+                    second_provider=providers[1]
+                )
+        else:
+            providers_string = providers[0]
+
     context = {
         'full_name': user.get_full_name(),
         'platform_name': settings.PLATFORM_NAME,
@@ -75,6 +96,7 @@ def send_credit_notifications(username, course_key):
         'dashboard_link': dashboard_link,
         'credit_course_link': credit_course_link,
         'tracking_pixel': tracking_pixel,
+        'providers': providers_string,
     }
 
     # create the root email message
@@ -85,6 +107,10 @@ def send_credit_notifications(username, course_key):
     notification_msg.attach(msg_alternative)
     # render the credit notification templates
     subject = _(u'Course Credit Eligibility')
+    if providers:
+        subject = _(u'You are eligible for credit from {providers_string}').format(
+            providers_string=providers_string
+        )
 
     # add alternative plain text message
     email_body_plain = render_to_string('credit_notifications/credit_eligibility_email.txt', context)
@@ -180,3 +206,56 @@ def _email_url_parser(url_name, extra_param=None):
     dashboard_url_path = reverse(url_name) + extra_param if extra_param else reverse(url_name)
     dashboard_link_parts = ("https", site_name, dashboard_url_path, '', '', '')
     return urlparse.urlunparse(dashboard_link_parts)
+
+
+def get_credit_provider_display_names(course_key):
+    """Get the course information from ecommerce and parse the data to get providers.
+
+    Arguments:
+        course_key (CourseKey): The identifier for the course.
+
+    Returns:
+        List of credit provider display names.
+    """
+    course_id = unicode(course_key)
+    credit_config = CreditConfig.current()
+
+    cache_key = None
+    provider_names = None
+
+    if credit_config.is_cache_enabled:
+        cache_key = '{key_prefix}.{course_key}'.format(
+            key_prefix=credit_config.CACHE_KEY, course_key=course_id
+        )
+        provider_names = cache.get(cache_key)
+
+    if provider_names is not None:
+        return provider_names
+
+    try:
+        user = User.objects.get(username=settings.ECOMMERCE_SERVICE_WORKER_USERNAME)
+        response = ecommerce_api_client(user).courses(course_id).get(include_products=1)
+    except Exception:  # pylint: disable=broad-except
+        log.exception("Failed to receive data from the ecommerce course API for Course ID '%s'.", course_id)
+        return provider_names
+
+    if not response:
+        log.info("No Course information found from ecommerce API for Course ID '%s'.", course_id)
+        return provider_names
+
+    provider_ids = []
+    for product in response.get('products'):
+        provider_ids += [
+            attr.get('value') for attr in product.get('attribute_values') if attr.get('name') == 'credit_provider'
+        ]
+
+    provider_names = []
+    credit_providers = CreditProvider.get_credit_providers()
+    for provider in credit_providers:
+        if provider['id'] in provider_ids:
+            provider_names.append(provider['display_name'])
+
+    if credit_config.is_cache_enabled:
+        cache.set(cache_key, provider_names, credit_config.cache_ttl)
+
+    return provider_names

openedx/core/djangoapps/credit/migrations/0002_creditconfig.py

+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+import django.db.models.deletion
+from django.conf import settings
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+        ('credit', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='CreditConfig',
+            fields=[
+                ('id', models.AutoField(verbose_name='ID', serialize=False, auto_created=True, primary_key=True)),
+                ('change_date', models.DateTimeField(auto_now_add=True, verbose_name='Change date')),
+                ('enabled', models.BooleanField(default=False, verbose_name='Enabled')),
+                ('cache_ttl', models.PositiveIntegerField(default=0, help_text='Specified in seconds. Enable caching by setting this to a value greater than 0.', verbose_name='Cache Time To Live')),
+                ('changed_by', models.ForeignKey(on_delete=django.db.models.deletion.PROTECT, editable=False, to=settings.AUTH_USER_MODEL, null=True, verbose_name='Changed by')),
+            ],
+            options={
+                'ordering': ('-change_date',),
+                'abstract': False,
+            },
+        ),
+    ]

openedx/core/djangoapps/credit/models.py

@@ -6,23 +6,22 @@ Credit courses allow students to receive university credit for
 successful completion of a course on EdX
 """
 
-import datetime
 from collections import defaultdict
+import datetime
 import logging
 
-import pytz
-
+from config_models.models import ConfigurationModel
 from django.conf import settings
 from django.core.cache import cache
-from django.dispatch import receiver
-from django.db import models, transaction, IntegrityError
 from django.core.validators import RegexValidator
-from simple_history.models import HistoricalRecords
-
+from django.db import models, transaction, IntegrityError
+from django.dispatch import receiver
+from django.utils.translation import ugettext_lazy, ugettext as _
 from jsonfield.fields import JSONField
 from model_utils.models import TimeStampedModel
+import pytz
+from simple_history.models import HistoricalRecords
 from xmodule_django.models import CourseKeyField
-from django.utils.translation import ugettext_lazy
 
 
 CREDIT_PROVIDER_ID_REGEX = r"[a-z,A-Z,0-9,\-]+"
@@ -709,3 +708,25 @@ class CreditRequest(TimeStampedModel):
             provider=self.provider.provider_id,
             status=self.status,
         )
+
+
+class CreditConfig(ConfigurationModel):
+    """ Manage credit configuration """
+    CACHE_KEY = 'credit.providers.api.data'
+
+    cache_ttl = models.PositiveIntegerField(
+        verbose_name=_("Cache Time To Live"),
+        default=0,
+        help_text=_(
+            "Specified in seconds. Enable caching by setting this to a value greater than 0."
+        )
+    )
+
+    @property
+    def is_cache_enabled(self):
+        """Whether responses from the commerce API will be cached."""
+        return self.enabled and self.cache_ttl > 0
+
+    def __unicode__(self):
+        """Unicode representation of the config. """
+        return 'Credit Configuration'

openedx/core/djangoapps/credit/tests/test_api.py

@@ -2,21 +2,23 @@
 Tests for the API functions in the credit app.
 """
 import datetime
+import json
 import unittest
 
 import ddt
 from django.conf import settings
+from django.contrib.auth.models import User
 from django.core import mail
 from django.test.utils import override_settings
-from django.db import connection, transaction
+from django.db import connection
 from nose.plugins.attrib import attr
-from opaque_keys.edx.keys import CourseKey
+import httpretty
+from lms.djangoapps.commerce.tests import TEST_API_SIGNING_KEY, TEST_API_URL
+import mock
 import pytz
-from xmodule.modulestore.tests.django_utils import ModuleStoreTestCase
-from xmodule.modulestore.tests.factories import CourseFactory
-
-from util.date_utils import from_timestamp
+from opaque_keys.edx.keys import CourseKey
 from openedx.core.djangoapps.credit import api
+from openedx.core.djangoapps.credit.email_utils import get_credit_provider_display_names
 from openedx.core.djangoapps.credit.exceptions import (
     InvalidCreditRequirements,
     InvalidCreditCourse,
@@ -26,6 +28,7 @@ from openedx.core.djangoapps.credit.exceptions import (
     CreditRequestNotFound,
 )
 from openedx.core.djangoapps.credit.models import (
+    CreditConfig,
     CreditCourse,
     CreditProvider,
     CreditRequirement,
@@ -33,8 +36,13 @@ from openedx.core.djangoapps.credit.models import (
     CreditEligibility
 )
 from student.tests.factories import UserFactory
+from util.date_utils import from_timestamp
+from xmodule.modulestore.tests.django_utils import ModuleStoreTestCase
+from xmodule.modulestore.tests.factories import CourseFactory
+
 
 TEST_CREDIT_PROVIDER_SECRET_KEY = "931433d583c84ca7ba41784bad3232e6"
+TEST_ECOMMERCE_WORKER = 'test_worker'
 
 
 @override_settings(CREDIT_PROVIDER_SECRET_KEYS={
@@ -64,6 +72,86 @@ class CreditApiTestBase(ModuleStoreTestCase):
     }
     THUMBNAIL_URL = "https://credit.example.com/logo.png"
 
+    PROVIDERS_LIST = [u'Hogwarts School of Witchcraft and Wizardry', u'Arizona State University']
+
+    COURSE_API_RESPONSE = {
+        "id": "course-v1:Demo+Demox+Course",
+        "url": "http://localhost/api/v2/courses/course-v1:Demo+Demox+Course/",
+        "name": "dummy edX Demonstration Course",
+        "verification_deadline": "2023-09-12T23:59:00Z",
+        "type": "credit",
+        "products_url": "http://localhost/api/v2/courses/course:Demo+Demox+Course/products/",
+        "last_edited": "2016-03-06T09:51:10Z",
+        "products": [
+            {
+                "id": 1,
+                "url": "http://localhost/api/v2/products/11/",
+                "structure": "child",
+                "product_class": "Seat",
+                "title": "",
+                "price": 1,
+                "expires": '2016-03-06T09:51:10Z',
+                "attribute_values": [
+                    {
+                        "name": "certificate_type",
+                        "value": "credit"
+                    },
+                    {
+                        "name": "course_key",
+                        "value": "edX/DemoX/Demo_Course",
+                    },
+                    {
+                        "name": "credit_hours",
+                        "value": 1
+                    },
+                    {
+                        "name": "credit_provider",
+                        "value": "ASU"
+                    },
+                    {
+                        "name": "id_verification_required",
+                        "value": False
+                    }
+                ],
+                "is_available_to_buy": False,
+                "stockrecords": []
+            },
+            {
+                "id": 2,
+                "url": "http://localhost/api/v2/products/10/",
+                "structure": "child",
+                "product_class": "Seat",
+                "title": "",
+                "price": 1,
+                "expires": '2016-03-06T09:51:10Z',
+                "attribute_values": [
+                    {
+                        "name": "certificate_type",
+                        "value": "credit"
+                    },
+                    {
+                        "name": "course_key",
+                        "value": "edX/DemoX/Demo_Course",
+                    },
+                    {
+                        "name": "credit_hours",
+                        "value": 1
+                    },
+                    {
+                        "name": "credit_provider",
+                        "value": PROVIDER_ID
+                    },
+                    {
+                        "name": "id_verification_required",
+                        "value": False
+                    }
+                ],
+                "is_available_to_buy": False,
+                "stockrecords": []
+            }
+        ]
+    }
+
     def setUp(self, **kwargs):
         super(CreditApiTestBase, self).setUp()
         self.course_key = CourseKey.from_string("edX/DemoX/Demo_Course")
@@ -86,6 +174,15 @@ class CreditApiTestBase(ModuleStoreTestCase):
 
         return credit_course
 
+    def _mock_ecommerce_courses_api(self, course_key, body, status=200):
+        """ Mock GET requests to the ecommerce course API endpoint. """
+        httpretty.reset()
+        httpretty.register_uri(
+            httpretty.GET, '{}/courses/{}/?include_products=1'.format(TEST_API_URL, unicode(course_key)),
+            status=status,
+            body=json.dumps(body), content_type='application/json',
+        )
+
 
 @attr('shard_2')
 @unittest.skipUnless(settings.ROOT_URLCONF == 'lms.urls', 'Test only valid in LMS')
@@ -394,10 +491,20 @@ class CreditRequirementApiTests(CreditApiTestBase):
         req_status = api.get_credit_requirement_status(self.course_key, "bob", namespace="grade", name="grade")
         self.assertEqual(len(req_status), 0)
 
+    @httpretty.activate
+    @override_settings(
+        ECOMMERCE_API_URL=TEST_API_URL,
+        ECOMMERCE_API_SIGNING_KEY=TEST_API_SIGNING_KEY,
+        ECOMMERCE_SERVICE_WORKER_USERNAME=TEST_ECOMMERCE_WORKER
+    )
     def test_satisfy_all_requirements(self):
         """ Test the credit requirements, eligibility notification, email
         content caching for a credit course.
         """
+        self._mock_ecommerce_courses_api(self.course_key, self.COURSE_API_RESPONSE)
+        worker_user = User.objects.create_user(username=TEST_ECOMMERCE_WORKER)
+        self.assertFalse(hasattr(worker_user, 'profile'))
+
         # Configure a course with two credit requirements
         self.add_credit_course()
         CourseFactory.create(org='edX', number='DemoX', display_name='Demo_Course')
@@ -435,7 +542,7 @@ class CreditRequirementApiTests(CreditApiTestBase):
         self.assertFalse(api.is_user_eligible_for_credit("bob", self.course_key))
 
         # Satisfy the other requirement
-        with self.assertNumQueries(15):
+        with self.assertNumQueries(19):
             api.set_credit_requirement_status(
                 "bob",
                 self.course_key,
@@ -448,7 +555,10 @@ class CreditRequirementApiTests(CreditApiTestBase):
 
         # Credit eligibility email should be sent
         self.assertEqual(len(mail.outbox), 1)
-        self.assertEqual(mail.outbox[0].subject, 'Course Credit Eligibility')
+        self.assertEqual(
+            mail.outbox[0].subject,
+            'You are eligible for credit from Hogwarts School of Witchcraft and Wizardry'
+        )
 
         # Now verify them email content
         email_payload_first = mail.outbox[0].attachments[0]._payload  # pylint: disable=protected-access
@@ -471,11 +581,22 @@ class CreditRequirementApiTests(CreditApiTestBase):
         image_id = email_image.get('Content-ID', '')[1:-1]
         self.assertIsNotNone(image_id)
         self.assertIn(image_id, html_content_first)
+        self.assertIn(
+            'credit from Hogwarts School of Witchcraft and Wizardry for',
+            html_content_first
+        )
+
+        # test text email contents
+        text_content_first = email_payload_first[0]._payload[0]._payload
+        self.assertIn(
+            'credit from Hogwarts School of Witchcraft and Wizardry for',
+            text_content_first
+        )
 
         # Delete the eligibility entries and satisfy the user's eligibility
         # requirement again to trigger eligibility notification
         CreditEligibility.objects.all().delete()
-        with self.assertNumQueries(13):
+        with self.assertNumQueries(15):
             api.set_credit_requirement_status(
                 "bob",
                 self.course_key,
@@ -551,6 +672,87 @@ class CreditRequirementApiTests(CreditApiTestBase):
         self.assertEqual(len(req_status), 1)
         self.assertEqual(req_status[0]["status"], None)
 
+    @ddt.data(
+        (
+            [u'Arizona State University'],
+            'credit from Arizona State University for',
+            'You are eligible for credit from Arizona State University'),
+        (
+            [u'Arizona State University', u'Hogwarts School of Witchcraft and Wizardry'],
+            'credit from Arizona State University and Hogwarts School of Witchcraft and Wizardry for',
+            'You are eligible for credit from Arizona State University and Hogwarts School of Witchcraft and Wizardry'
+        ),
+        (
+            [u'Arizona State University', u'Hogwarts School of Witchcraft and Wizardry', u'Charter Oak'],
+            'credit from Arizona State University, Hogwarts School of Witchcraft and Wizardry, and Charter Oak for',
+            'You are eligible for credit from Arizona State University, Hogwarts School'
+            ' of Witchcraft and Wizardry, and Charter Oak'
+        ),
+        ([], 'credit for', 'Course Credit Eligibility'),
+        (None, 'credit for', 'Course Credit Eligibility')
+    )
+    @ddt.unpack
+    def test_eligibility_email_with_providers(self, providers_list, providers_email_message, expected_subject):
+        """ Test the credit requirements, eligibility notification, email
+        for different providers combinations.
+        """
+        # Configure a course with two credit requirements
+        self.add_credit_course()
+        CourseFactory.create(org='edX', number='DemoX', display_name='Demo_Course')
+        requirements = [
+            {
+                "namespace": "grade",
+                "name": "grade",
+                "display_name": "Grade",
+                "criteria": {
+                    "min_grade": 0.8
+                },
+            },
+            {
+                "namespace": "reverification",
+                "name": "i4x://edX/DemoX/edx-reverification-block/assessment_uuid",
+                "display_name": "Assessment 1",
+                "criteria": {},
+            }
+        ]
+        api.set_credit_requirements(self.course_key, requirements)
+
+        user = UserFactory.create(username=self.USER_INFO['username'], password=self.USER_INFO['password'])
+
+        # Satisfy one of the requirements, but not the other
+        api.set_credit_requirement_status(
+            user.username,
+            self.course_key,
+            requirements[0]["namespace"],
+            requirements[0]["name"]
+        )
+        # Satisfy the other requirement. And mocked the api to return different kind of data.
+        with mock.patch('openedx.core.djangoapps.credit.email_utils.get_credit_provider_display_names') as mock_method:
+            mock_method.return_value = providers_list
+            api.set_credit_requirement_status(
+                "bob",
+                self.course_key,
+                requirements[1]["namespace"],
+                requirements[1]["name"]
+            )
+        # Now the user should be eligible
+        self.assertTrue(api.is_user_eligible_for_credit("bob", self.course_key))
+
+        # Credit eligibility email should be sent
+        self.assertEqual(len(mail.outbox), 1)
+
+        # Verify the email subject
+        self.assertEqual(mail.outbox[0].subject, expected_subject)
+
+        # Now verify them email content
+        email_payload_first = mail.outbox[0].attachments[0]._payload  # pylint: disable=protected-access
+        html_content_first = email_payload_first[0]._payload[1]._payload  # pylint: disable=protected-access
+        self.assertIn(providers_email_message, html_content_first)
+
+        # test text email
+        text_content_first = email_payload_first[0]._payload[0]._payload  # pylint: disable=protected-access
+        self.assertIn(providers_email_message, text_content_first)
+
 
 @attr('shard_2')
 @ddt.ddt
@@ -879,3 +1081,126 @@ class CreditProviderIntegrationApiTests(CreditApiTestBase):
         """Check the user's credit status. """
         statuses = api.get_credit_requests_for_user(self.USER_INFO["username"])
         self.assertEqual(statuses[0]["status"], expected_status)
+
+
+@attr('shard_2')
+@unittest.skipUnless(settings.ROOT_URLCONF == 'lms.urls', 'Test only valid in LMS')
+@override_settings(
+    ECOMMERCE_API_URL=TEST_API_URL,
+    ECOMMERCE_API_SIGNING_KEY=TEST_API_SIGNING_KEY,
+    ECOMMERCE_SERVICE_WORKER_USERNAME=TEST_ECOMMERCE_WORKER
+)
+@ddt.ddt
+class CourseApiTests(CreditApiTestBase):
+    """Test Python API for course product information."""
+    def setUp(self):
+        super(CourseApiTests, self).setUp()
+        self.worker_user = User.objects.create_user(username=TEST_ECOMMERCE_WORKER)
+        self.add_credit_course(self.course_key)
+        self.credit_config = CreditConfig(cache_ttl=100, enabled=True)
+        self.credit_config.save()
+
+        # Add another provider.
+        CreditProvider.objects.get_or_create(
+            provider_id='ASU',
+            display_name='Arizona State University',
+            provider_url=self.PROVIDER_URL,
+            provider_status_url=self.PROVIDER_STATUS_URL,
+            provider_description=self.PROVIDER_DESCRIPTION,
+            enable_integration=self.ENABLE_INTEGRATION,
+            fulfillment_instructions=self.FULFILLMENT_INSTRUCTIONS,
+            thumbnail_url=self.THUMBNAIL_URL
+        )
+        self.assertFalse(hasattr(self.worker_user, 'profile'))
+
+    @httpretty.activate
+    def test_get_credit_provider_display_names_method(self):
+        """Verify that parsed providers list is returns after getting course production information."""
+        self._mock_ecommerce_courses_api(self.course_key, self.COURSE_API_RESPONSE)
+        response_providers = get_credit_provider_display_names(self.course_key)
+        self.assertListEqual(self.PROVIDERS_LIST, response_providers)
+
+    @httpretty.activate
+    @mock.patch('edx_rest_api_client.client.EdxRestApiClient.__init__')
+    def test_get_credit_provider_display_names_method_with_exception(self, mock_init):
+        """Verify that in case of any exception it logs the error and return."""
+        mock_init.side_effect = Exception
+        response = get_credit_provider_display_names(self.course_key)
+        self.assertTrue(mock_init.called)
+        self.assertEqual(response, None)
+
+    @httpretty.activate
+    def test_get_credit_provider_display_names_caching(self):
+        """Verify that providers list is cached."""
+        self.assertTrue(self.credit_config.is_cache_enabled)
+        self._mock_ecommerce_courses_api(self.course_key, self.COURSE_API_RESPONSE)
+
+        # Warm up the cache.
+        response_providers = get_credit_provider_display_names(self.course_key)
+        self.assertListEqual(self.PROVIDERS_LIST, response_providers)
+
+        # Hit the cache.
+        response_providers = get_credit_provider_display_names(self.course_key)
+        self.assertListEqual(self.PROVIDERS_LIST, response_providers)
+
+        # Verify only one request was made.
+        self.assertEqual(len(httpretty.httpretty.latest_requests), 1)
+
+    @httpretty.activate
+    def test_get_credit_provider_display_names_without_caching(self):
+        """Verify that providers list is not cached."""
+        self.credit_config.cache_ttl = 0
+        self.credit_config.save()
+        self.assertFalse(self.credit_config.is_cache_enabled)
+
+        self._mock_ecommerce_courses_api(self.course_key, self.COURSE_API_RESPONSE)
+
+        response_providers = get_credit_provider_display_names(self.course_key)
+        self.assertListEqual(self.PROVIDERS_LIST, response_providers)
+
+        response_providers = get_credit_provider_display_names(self.course_key)
+        self.assertListEqual(self.PROVIDERS_LIST, response_providers)
+
+        self.assertEqual(len(httpretty.httpretty.latest_requests), 2)
+
+    @httpretty.activate
+    @ddt.data(
+        (None, None),
+        ({'products': []}, []),
+        (
+            {
+                'products': [{'expires': '', 'attribute_values': [{'name': 'credit_provider', 'value': 'ASU'}]}]
+            }, ['Arizona State University']
+        ),
+        (
+            {
+                'products': [{'expires': '', 'attribute_values': [{'name': 'namespace', 'value': 'grade'}]}]
+            }, []
+        ),
+        (
+            {
+                'products': [
+                    {
+                        'expires': '', 'attribute_values':
+                        [
+                            {'name': 'credit_provider', 'value': 'ASU'},
+                            {'name': 'credit_provider', 'value': 'hogwarts'},
+                            {'name': 'course_type', 'value': 'credit'}
+                        ]
+                    }
+                ]
+            }, ['Hogwarts School of Witchcraft and Wizardry', 'Arizona State University']
+        )
+    )
+    @ddt.unpack
+    def test_get_provider_api_with_multiple_data(self, data, expected_data):
+        self._mock_ecommerce_courses_api(self.course_key, data)
+        response_providers = get_credit_provider_display_names(self.course_key)
+        self.assertEqual(expected_data, response_providers)
+
+    @httpretty.activate
+    def test_get_credit_provider_display_names_without_providers(self):
+        """Verify that if all providers are in-active than method return empty list."""
+        self._mock_ecommerce_courses_api(self.course_key, self.COURSE_API_RESPONSE)
+        CreditProvider.objects.all().update(active=False)
+        self.assertEqual(get_credit_provider_display_names(self.course_key), [])