ECOM-5392 publish program data to marketing site to create or edit the about page

course_discovery/apps/course_metadata/admin.py

-from django.contrib import admin
+from django.contrib import admin, messages
 from django.core.urlresolvers import reverse
 from django.http import HttpResponseRedirect
 
 from simple_history.admin import SimpleHistoryAdmin
 from course_discovery.apps.course_metadata.forms import ProgramAdminForm
 from course_discovery.apps.course_metadata.models import *  # pylint: disable=wildcard-import
+from course_discovery.apps.course_metadata.publishers import ProgramPublisherException
 
 
 class SeatInline(admin.TabularInline):
@@ -84,6 +85,7 @@ class ProgramAdmin(admin.ModelAdmin):
         'credit_backing_organizations'
     )
     fields += filter_horizontal
+    save_error = None
 
     def custom_course_runs_display(self, obj):
         return ", ".join([str(run) for run in obj.course_runs])
@@ -91,13 +93,27 @@ class ProgramAdmin(admin.ModelAdmin):
     custom_course_runs_display.short_description = "Included course runs"
 
     def response_add(self, request, obj, post_url_continue=None):
-        return HttpResponseRedirect(reverse('admin_metadata:update_course_runs', kwargs={'pk': obj.pk}))
+        if self.save_error:
+            return self.response_post_save_add(request, obj)
+        else:
+            return HttpResponseRedirect(reverse('admin_metadata:update_course_runs', kwargs={'pk': obj.pk}))
 
     def response_change(self, request, obj):
-        if '_continue'in request.POST or '_save' in request.POST:
-            return HttpResponseRedirect(reverse('admin_metadata:update_course_runs', kwargs={'pk': obj.pk}))
+        if self.save_error:
+            return self.response_post_save_change(request, obj)
         else:
-            return HttpResponseRedirect(reverse('admin:course_metadata_program_add'))
+            if any(status in request.POST for status in ['_continue', '_save']):
+                return HttpResponseRedirect(reverse('admin_metadata:update_course_runs', kwargs={'pk': obj.pk}))
+            else:
+                return HttpResponseRedirect(reverse('admin:course_metadata_program_add'))
+
+    def save_model(self, request, obj, form, change):
+        try:
+            obj.save()
+            self.save_error = False
+        except ProgramPublisherException as ex:
+            messages.add_message(request, messages.ERROR, ex.message)
+            self.save_error = True
 
 
 @admin.register(ProgramType)

course_discovery/apps/course_metadata/models.py

@@ -5,7 +5,7 @@ from urllib.parse import urljoin
 from uuid import uuid4
 
 import pytz
-from django.db import models
+from django.db import models, transaction
 from django.db.models.query_utils import Q
 from django.utils.translation import ugettext_lazy as _
 from django_extensions.db.fields import AutoSlugField
@@ -16,8 +16,10 @@ from simple_history.models import HistoricalRecords
 from sortedm2m.fields import SortedManyToManyField
 from stdimage.models import StdImageField
 from taggit.managers import TaggableManager
+import waffle
 
 from course_discovery.apps.core.models import Currency, Partner
+from course_discovery.apps.course_metadata.publishers import MarketingSitePublisher
 from course_discovery.apps.course_metadata.query import CourseQuerySet, CourseRunQuerySet, ProgramQuerySet
 from course_discovery.apps.course_metadata.utils import UploadToFieldNamePath
 from course_discovery.apps.course_metadata.utils import clean_query
@@ -701,6 +703,28 @@ class Program(TimeStampedModel):
         staff = itertools.chain.from_iterable(staff)
         return set(staff)
 
+    @property
+    def is_active(self):
+        return self.status == self.Status.Active
+
+    def save(self, *args, **kwargs):
+        if waffle.switch_is_active('publish_program_to_marketing_site') and \
+                self.partner.has_marketing_site:
+            # Before save, get from database the existing data if exists
+            existing_program = None
+            if self.id:
+                existing_program = Program.objects.get(id=self.id)
+            # Pass existing data to the publisher so it can decide whether we should publish
+            publisher = MarketingSitePublisher(existing_program)
+
+            with transaction.atomic():
+                super(Program, self).save(*args, **kwargs)
+                # Once save complete, we need to update the marketing site
+                # So the marketing page for this program is automatically updated
+                publisher.publish_program(self)
+        else:
+            super(Program, self).save(*args, **kwargs)
+
 
 class PersonSocialNetwork(AbstractSocialNetworkModel):
     """ Person Social Network model. """

course_discovery/apps/course_metadata/publishers.py

+import json
+import requests
+
+from django.utils.functional import cached_property
+
+
+class ProgramPublisherException(Exception):
+    def __init__(self, message):
+        super(ProgramPublisherException, self).__init__(message)
+        suffix = 'The program data has not been saved. Please check your marketing site configuration'
+        self.message = '{exception_msg} {suffix}'.format(exception_msg=message, suffix=suffix)
+
+
+class MarketingSiteAPIClient(object):
+    """
+    The marketing site API client we can use to communicate with the marketing site
+    """
+    username = None
+    password = None
+    api_url = None
+
+    def __init__(self, marketing_site_api_username, marketing_site_api_password, api_url):
+        if not (marketing_site_api_username and marketing_site_api_password):
+            raise ProgramPublisherException('Marketing Site API credentials are not properly configured!')
+        self.username = marketing_site_api_username
+        self.password = marketing_site_api_password
+        self.api_url = api_url.strip('/')
+
+    @cached_property
+    def init_session(self):
+        # Login to set session cookies
+        session = requests.Session()
+        login_url = '{root}/user'.format(root=self.api_url)
+        login_data = {
+            'name': self.username,
+            'pass': self.password,
+            'form_id': 'user_login',
+            'op': 'Log in',
+        }
+        response = session.post(login_url, data=login_data)
+        expected_url = '{root}/users/{username}'.format(root=self.api_url, username=self.username)
+        if not (response.status_code == 200 and response.url == expected_url):
+            raise ProgramPublisherException('Marketing Site Login failed!')
+        return session
+
+    @cached_property
+    def api_session(self):
+        self.init_session.headers.update(self.headers)
+        return self.init_session
+
+    @cached_property
+    def csrf_token(self):
+        token_url = '{root}/restws/session/token'.format(root=self.api_url)
+        response = self.init_session.get(token_url)
+        if not response.status_code == 200:
+            raise ProgramPublisherException('Failed to retrieve Marketing Site CSRF token!')
+        token = response.content.decode('utf8')
+        return token
+
+    @cached_property
+    def user_id(self):
+        # Get a user ID
+        user_url = '{root}/user.json?name={username}'.format(root=self.api_url, username=self.username)
+        response = self.init_session.get(user_url)
+        if not response.status_code == 200:
+            raise ProgramPublisherException('Failed to retrieve Marketing site user details!')
+        user_id = response.json()['list'][0]['uid']
+        return user_id
+
+    @cached_property
+    def headers(self):
+        return {
+            'Content-Type': 'application/json',
+            'X-CSRF-Token': self.csrf_token,
+        }
+
+
+class MarketingSitePublisher(object):
+    """
+    This is the publisher that would publish the object data to marketing site
+    """
+    data_before = None
+
+    def __init__(self, program_before=None):
+        if program_before:
+            self.data_before = {
+                'type': program_before.type,
+                'status': program_before.status,
+                'title': program_before.title,
+            }
+
+    def _get_node_data(self, program, user_id):
+        return {
+            'type': str(program.type).lower(),
+            'title': program.title,
+            'field_uuid': str(program.uuid),
+            'uuid': str(program.uuid),
+            'author': {
+                'id': user_id,
+            },
+            'status': 1 if program.is_active else 0
+        }
+
+    def _get_node_id(self, api_client, uuid):
+        node_url = '{root}/node.json?field_uuid={uuid}'.format(root=api_client.api_url, uuid=uuid)
+        response = api_client.api_session.get(node_url)
+        if response.status_code == 200:
+            found = response.json()
+            if found:
+                list_item = found.get('list')
+                if list_item:
+                    return list_item[0]['nid']
+
+    def _edit_node(self, api_client, nid, node_data):
+        if node_data.get('uuid'):
+            # Drupal do not allow us to update the UUID field on node update
+            del node_data['uuid']
+        node_url = '{root}/node.json/{nid}'.format(root=api_client.api_url, nid=nid)
+        response = api_client.api_session.put(node_url, data=json.dumps(node_data))
+        if response.status_code != 200:
+            raise ProgramPublisherException("Marketing site page edit failed!")
+
+    def _create_node(self, api_client, node_data):
+        node_url = '{root}/node.json'.format(root=api_client.api_url)
+        response = api_client.api_session.post(node_url, data=json.dumps(node_data))
+        if response.status_code == 201:
+            return response.json()
+        else:
+            raise ProgramPublisherException("Marketing site page creation failed!")
+
+    def publish_program(self, program):
+        if not program.partner.has_marketing_site:
+            return
+
+        if not (program.partner.marketing_site_api_username and program.partner.marketing_site_api_password):
+            msg = 'Marketing Site API credentials are not properly configured for Partner [{partner}]!'.format(
+                partner=program.partner.short_code)
+            raise ProgramPublisherException(msg)
+
+        if self.data_before and \
+                self.data_before.get('title') == program.title and \
+                self.data_before.get('status') == program.status and \
+                self.data_before.get('type') == program.type:
+            # We don't need to publish to marketing site because
+            # nothing we care about has changed. This would save at least 4 network calls
+            return
+
+        api_client = MarketingSiteAPIClient(
+            program.partner.marketing_site_api_username,
+            program.partner.marketing_site_api_password,
+            program.partner.marketing_site_url_root
+        )
+
+        node_data = self._get_node_data(program, api_client.user_id)
+        nid = self._get_node_id(api_client, program.uuid)
+        if nid:
+            # We would like to edit the existing node
+            self._edit_node(api_client, nid, node_data)
+        else:
+            # We should create a new node
+            self._create_node(api_client, node_data)

course_discovery/apps/course_metadata/tests/__init__.py

+from waffle.models import Switch
+
+
+def toggle_switch(name, active):
+    """
+    Activate or deactivate a feature switch.
+    The switch is created if it does not exist.
+    Arguments:
+        name (str): name of the switch to be toggled
+        active (bool): boolean indicating if the switch should be activated or deactivated
+    Returns:
+        Switch: Waffle Switch
+    """
+    switch, __ = Switch.objects.get_or_create(name=name,
+                                              defaults={'active': active})
+    switch.active = active
+    switch.save()
+    return switch

course_discovery/apps/course_metadata/tests/mixins.py

+import json
+
+from factory.fuzzy import FuzzyText, FuzzyInteger
+import responses
+
+from course_discovery.apps.core.tests.utils import FuzzyUrlRoot
+
+
+class MarketingSiteAPIClientTestMixin(object):
+    """
+    The mixing to help mock the responses for marketing site API Client
+    """
+    def setUp(self):
+        super(MarketingSiteAPIClientTestMixin, self).setUp()
+        self.username = FuzzyText().fuzz()
+        self.password = FuzzyText().fuzz()
+        self.api_root = FuzzyUrlRoot().fuzz()
+        self.csrf_token = FuzzyText().fuzz()
+        self.user_id = FuzzyInteger(1).fuzz()
+
+    def mock_login_response(self, status):
+        """ Mock the response of the marketing site login """
+        response_url = '{root}/users/{username}'.format(
+            root=self.api_root,
+            username=self.username
+        )
+
+        def request_callback(request):  # pylint: disable=unused-argument
+            headers = {
+                'location': response_url
+            }
+            return (302, headers, None)
+
+        responses.add_callback(
+            responses.POST,
+            '{root}/user'.format(root=self.api_root),
+            callback=request_callback,
+            content_type='text/html',
+        )
+
+        responses.add(
+            responses.GET,
+            response_url,
+            body='',
+            content_type='text/html',
+            status=status
+        )
+
+    def mock_csrf_token_response(self, status):
+        responses.add(
+            responses.GET,
+            '{root}/restws/session/token'.format(root=self.api_root),
+            body=self.csrf_token,
+            content_type='text/html',
+            status=status
+        )
+
+    def mock_user_id_response(self, status):
+        data = {
+            'list': [{
+                'uid': self.user_id
+            }]
+        }
+        responses.add(
+            responses.GET,
+            '{root}/user.json?name={username}'.format(root=self.api_root, username=self.username),
+            body=json.dumps(data),
+            content_type='application/json',
+            status=status,
+            match_querystring=True
+        )
+
+
+class MarketingSitePublisherTestMixin(MarketingSiteAPIClientTestMixin):
+    """
+    The mixing to help mock the responses for marketing site publisher
+    """
+    def setUp(self):
+        super(MarketingSitePublisherTestMixin, self).setUp()
+        self.nid = FuzzyText().fuzz()
+
+    def mock_api_client(self, status):
+        self.mock_login_response(status)
+        self.mock_csrf_token_response(status)
+        self.mock_user_id_response(status)
+
+    def mock_node_retrieval(self, program_uuid, exists=True):
+        data = {}
+        status = 404
+        if exists:
+            data = {
+                'list': [{
+                    'nid': self.nid
+                }]
+            }
+            status = 200
+
+        responses.add(
+            responses.GET,
+            '{root}/node.json?field_uuid={uuid}'.format(root=self.api_root, uuid=str(program_uuid)),
+            body=json.dumps(data),
+            content_type='application/json',
+            status=status,
+            match_querystring=True
+        )
+
+    def mock_node_edit(self, status):
+        responses.add(
+            responses.PUT,
+            '{root}/node.json/{nid}'.format(root=self.api_root, nid=self.nid),
+            body=json.dumps({}),
+            content_type='application/json',
+            status=status
+        )
+
+    def mock_node_create(self, response_data, status):
+        responses.add(
+            responses.POST,
+            '{root}/node.json'.format(root=self.api_root),
+            body=json.dumps(response_data),
+            content_type='application/json',
+            status=status
+        )

course_discovery/apps/course_metadata/tests/test_models.py

@@ -6,7 +6,9 @@ from dateutil.parser import parse
 from django.conf import settings
 from django.db import IntegrityError
 from django.test import TestCase
+from factory.fuzzy import FuzzyText
 from freezegun import freeze_time
+import responses
 
 from course_discovery.apps.core.models import Currency
 from course_discovery.apps.core.tests.helpers import make_image_file
@@ -14,10 +16,11 @@ from course_discovery.apps.core.utils import SearchQuerySetWrapper
 from course_discovery.apps.course_metadata.models import (
     AbstractMediaModel, AbstractNamedModel, AbstractValueModel,
     CorporateEndorsement, Course, CourseRun, Endorsement,
-    FAQ, SeatType
+    FAQ, SeatType, Program
 )
-from course_discovery.apps.course_metadata.tests import factories
+from course_discovery.apps.course_metadata.tests import factories, toggle_switch
 from course_discovery.apps.course_metadata.tests.factories import CourseRunFactory, ImageFactory
+from course_discovery.apps.course_metadata.tests.mixins import MarketingSitePublisherTestMixin
 from course_discovery.apps.ietf_language_tags.models import LanguageTag
 
 
@@ -251,7 +254,8 @@ class AbstractValueModelTests(TestCase):
         self.assertEqual(str(instance), value)
 
 
-class ProgramTests(TestCase):
+@ddt.ddt
+class ProgramTests(MarketingSitePublisherTestMixin, TestCase):
     """Tests of the Program model."""
 
     def setUp(self):
@@ -369,6 +373,42 @@ class ProgramTests(TestCase):
         program = self.create_program_with_seats()
         self.assertEqual(program.seat_types, set(['credit', 'verified']))
 
+    @ddt.data(Program.Status.choices)
+    def test_is_active(self, status):
+        self.program.status = status
+        self.assertEqual(self.program.is_active, status == Program.Status.Active)
+
+    @responses.activate
+    def test_save_without_publish(self):
+        self.program.title = FuzzyText().fuzz()
+        self.program.save()
+        self.assertEqual(len(responses.calls), 0)
+
+    @responses.activate
+    def test_save_and_publish_success(self):
+        self.program.partner.marketing_site_url_root = self.api_root
+        self.program.partner.marketing_site_api_username = self.username
+        self.program.partner.marketing_site_api_password = self.password
+        self.program.save()
+        self.mock_api_client(200)
+        self.mock_node_retrieval(self.program.uuid)
+        self.mock_node_edit(200)
+        toggle_switch('publish_program_to_marketing_site', True)
+        self.program.title = FuzzyText().fuzz()
+        self.program.save()
+        self.assertEqual(len(responses.calls), 6)
+        toggle_switch('publish_program_to_marketing_site', False)
+
+    @responses.activate
+    def test_save_and_no_marketing_site(self):
+        self.program.partner.marketing_site_url_root = None
+        self.program.save()
+        toggle_switch('publish_program_to_marketing_site', True)
+        self.program.title = FuzzyText().fuzz()
+        self.program.save()
+        self.assertEqual(len(responses.calls), 0)
+        toggle_switch('publish_program_to_marketing_site', False)
+
 
 class PersonSocialNetworkTests(TestCase):
     """Tests of the PersonSocialNetwork model."""

course_discovery/apps/course_metadata/tests/test_publishers.py

+from django.test import TestCase
+import responses
+
+from course_discovery.apps.course_metadata.publishers import (
+    MarketingSiteAPIClient,
+    MarketingSitePublisher,
+    ProgramPublisherException,
+)
+from course_discovery.apps.course_metadata.tests.factories import ProgramFactory
+from course_discovery.apps.course_metadata.tests.mixins import (
+    MarketingSiteAPIClientTestMixin,
+    MarketingSitePublisherTestMixin,
+)
+from course_discovery.apps.course_metadata.models import Program
+
+
+class MarketingSiteAPIClientTests(MarketingSiteAPIClientTestMixin, TestCase):
+    """
+    Unit test cases for MarketinSiteAPIClient
+    """
+    def setUp(self):
+        super(MarketingSiteAPIClientTests, self).setUp()
+        self.api_client = MarketingSiteAPIClient(
+            self.username,
+            self.password,
+            self.api_root
+        )
+
+    @responses.activate
+    def test_init_session(self):
+        self.mock_login_response(200)
+        session = self.api_client.init_session
+        self.assertEqual(len(responses.calls), 2)
+        self.assertIsNotNone(session)
+
+    @responses.activate
+    def test_init_session_failed(self):
+        self.mock_login_response(500)
+        with self.assertRaises(ProgramPublisherException):
+            self.api_client.init_session  # pylint: disable=pointless-statement
+
+    @responses.activate
+    def test_csrf_token(self):
+        self.mock_login_response(200)
+        self.mock_csrf_token_response(200)
+        csrf_token = self.api_client.csrf_token
+        self.assertEqual(len(responses.calls), 3)
+        self.assertEqual(self.csrf_token, csrf_token)
+
+    @responses.activate
+    def test_csrf_token_failed(self):
+        self.mock_login_response(200)
+        self.mock_csrf_token_response(500)
+        with self.assertRaises(ProgramPublisherException):
+            self.api_client.csrf_token  # pylint: disable=pointless-statement
+
+    @responses.activate
+    def test_user_id(self):
+        self.mock_login_response(200)
+        self.mock_user_id_response(200)
+        user_id = self.api_client.user_id
+        self.assertEqual(len(responses.calls), 3)
+        self.assertEqual(self.user_id, user_id)
+
+    @responses.activate
+    def test_user_id_failed(self):
+        self.mock_login_response(200)
+        self.mock_user_id_response(500)
+        with self.assertRaises(ProgramPublisherException):
+            self.api_client.user_id  # pylint: disable=pointless-statement
+
+    @responses.activate
+    def test_api_session(self):
+        self.mock_login_response(200)
+        self.mock_csrf_token_response(200)
+        api_session = self.api_client.api_session
+        self.assertEqual(len(responses.calls), 3)
+        self.assertIsNotNone(api_session)
+        self.assertEqual(api_session.headers.get('Content-Type'), 'application/json')
+        self.assertEqual(api_session.headers.get('X-CSRF-Token'), self.csrf_token)
+
+    @responses.activate
+    def test_api_session_failed(self):
+        self.mock_login_response(500)
+        self.mock_csrf_token_response(500)
+        with self.assertRaises(ProgramPublisherException):
+            self.api_client.api_session  # pylint: disable=pointless-statement
+
+
+class MarketingSitePublisherTests(MarketingSitePublisherTestMixin, TestCase):
+    """
+    Unit test cases for the MarketingSitePublisher
+    """
+    def setUp(self):
+        super(MarketingSitePublisherTests, self).setUp()
+        self.program = ProgramFactory()
+        self.program.partner.marketing_site_url_root = self.api_root
+        self.program.partner.marketing_site_api_username = self.username
+        self.program.partner.marketing_site_api_password = self.password
+        self.program.save()  # pylint: disable=no-member
+        self.api_client = MarketingSiteAPIClient(
+            self.username,
+            self.password,
+            self.api_root
+        )
+
+    def test_get_node_data(self):
+        publisher = MarketingSitePublisher()
+        publish_data = publisher._get_node_data(self.program, self.user_id)  # pylint: disable=protected-access
+        expected = {
+            'type': str(self.program.type).lower(),
+            'title': self.program.title,
+            'field_uuid': str(self.program.uuid),
+            'uuid': str(self.program.uuid),
+            'author': {
+                'id': self.user_id,
+            },
+            'status': 1 if self.program.status == Program.Status.Active else 0
+        }
+        self.assertDictEqual(publish_data, expected)
+
+    @responses.activate
+    def test_get_node_id(self):
+        self.mock_api_client(200)
+        self.mock_node_retrieval(self.program.uuid)
+        publisher = MarketingSitePublisher()
+        node_id = publisher._get_node_id(self.api_client, self.program.uuid)  # pylint: disable=protected-access
+        self.assertEqual(len(responses.calls), 4)
+        self.assertEqual(node_id, self.nid)
+
+    @responses.activate
+    def test_get_non_existent_node_id(self):
+        self.mock_api_client(200)
+        self.mock_node_retrieval(self.program.uuid, exists=False)
+        publisher = MarketingSitePublisher()
+        node_id = publisher._get_node_id(self.api_client, self.program.uuid)  # pylint: disable=protected-access
+        self.assertIsNone(node_id)
+
+    @responses.activate
+    def test_edit_node(self):
+        self.mock_api_client(200)
+        self.mock_node_edit(200)
+        publisher = MarketingSitePublisher()
+        publish_data = publisher._get_node_data(self.program, self.user_id)  # pylint: disable=protected-access
+        publisher._edit_node(self.api_client, self.nid, publish_data)  # pylint: disable=protected-access
+        self.assertEqual(len(responses.calls), 4)
+
+    @responses.activate
+    def test_edit_node_failed(self):
+        self.mock_api_client(200)
+        self.mock_node_edit(500)
+        publisher = MarketingSitePublisher()
+        publish_data = publisher._get_node_data(self.program, self.user_id)  # pylint: disable=protected-access
+        with self.assertRaises(ProgramPublisherException):
+            publisher._edit_node(self.api_client, self.nid, publish_data)  # pylint: disable=protected-access
+
+    @responses.activate
+    def test_create_node(self):
+        self.mock_api_client(200)
+        expected = {
+            'list': [{
+                'nid': self.nid
+            }]
+        }
+        self.mock_node_create(expected, 201)
+        publisher = MarketingSitePublisher()
+        publish_data = publisher._get_node_data(self.program, self.user_id)  # pylint: disable=protected-access
+        data = publisher._create_node(self.api_client, publish_data)  # pylint: disable=protected-access
+        self.assertEqual(data, expected)
+
+    @responses.activate
+    def test_create_node_failed(self):
+        self.mock_api_client(200)
+        self.mock_node_create({}, 500)
+        publisher = MarketingSitePublisher()
+        publish_data = publisher._get_node_data(self.program, self.user_id)  # pylint: disable=protected-access
+        with self.assertRaises(ProgramPublisherException):
+            publisher._create_node(self.api_client, publish_data)  # pylint: disable=protected-access
+
+    @responses.activate
+    def test_publish_program_create(self):
+        self.mock_api_client(200)
+        expected = {
+            'list': [{
+                'nid': self.nid
+            }]
+        }
+        self.mock_node_retrieval(self.program.uuid, exists=False)
+        self.mock_node_create(expected, 201)
+        publisher = MarketingSitePublisher()
+        publisher.publish_program(self.program)
+        self.assertEqual(len(responses.calls), 6)
+
+    @responses.activate
+    def test_publish_program_edit(self):
+        self.mock_api_client(200)
+        self.mock_node_retrieval(self.program.uuid)
+        self.mock_node_edit(200)
+        publisher = MarketingSitePublisher()
+        publisher.publish_program(self.program)
+        self.assertEqual(len(responses.calls), 6)
+
+    @responses.activate
+    def test_publish_modified_program(self):
+        self.mock_api_client(200)
+        self.mock_node_retrieval(self.program.uuid)
+        self.mock_node_edit(200)
+        program_before = ProgramFactory()
+        publisher = MarketingSitePublisher(program_before)
+        publisher.publish_program(self.program)
+        self.assertEqual(len(responses.calls), 6)
+
+    @responses.activate
+    def test_publish_unmodified_program(self):
+        self.mock_api_client(200)
+        publisher = MarketingSitePublisher(self.program)
+        publisher.publish_program(self.program)
+        self.assertEqual(len(responses.calls), 0)

course_discovery/apps/edx_catalog_extensions/migrations/0003_create_publish_to_marketing_site_flag.py

+
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import migrations
+
+
+def create_switch(apps, schema_editor):
+    """Create and activate the publish_program_to_marketing_site switch if it does not already exist."""
+    Switch = apps.get_model('waffle', 'Switch')
+    Switch.objects.get_or_create(name='publish_program_to_marketing_site', defaults={'active': False})
+
+
+def delete_switch(apps, schema_editor):
+    """Delete the publish_program_to_marketing_site switch."""
+    Switch = apps.get_model('waffle', 'Switch')
+    Switch.objects.filter(name='publish_program_to_marketing_site').delete()
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ('edx_catalog_extensions', '0002_convert_program_category_to_type'),
+        ('waffle', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.RunPython(create_switch, reverse_code=delete_switch),
+    ]