added new files

test_crowdxblock.py

+'''
+This is a test for the crowdxblock, attempting to copy test_recommender.py
+'''
+
+import json
+import itertools
+import StringIO
+from ddt import ddt, data
+from copy import deepcopy
+
+from django.core.urlresolvers import reverse
+from django.test.utils import override_settings
+
+from xmodule.modulestore.tests.factories import CourseFactory, ItemFactory
+from xmodule.modulestore.tests.django_utils import ModuleStoreTestCase
+
+from courseware.tests.helpers import LoginEnrollmentTestCase
+from courseware.tests.modulestore_config import TEST_DATA_MIXED_MODULESTORE
+from courseware.tests.factories import GlobalStaffFactory
+
+from lms.lib.xblock.runtime import quote_slashes
+
+@override_settings(MODULESTORE=TEST_DATA_MIXED_MODULESTORE)
+class TestCrowdXBlock(ModuleStoreTestCase, LoginEnrollmentTestCase):
+    STUDENT_INFO = [('view@test.com', 'foo'), ('view2@test.com', 'foo')]
+
+    def setUp(self):
+         self.course = CourseFactory.create(
+             display_name='Recommender_Test_Course'
+         )
+         self.chapter = ItemFactory.create(
+             parent=self.course, display_name='Overview'
+         )
+         self.section = ItemFactory.create(
+             parent=self.chapter, display_name='Welcome'
+         )
+         self.unit = ItemFactory.create(
+             parent=self.section, display_name='New Unit'
+         )
+         self.xblock = ItemFactory.create(
+             parent=self.unit,
+             category='text_input',
+             display_name='text_input'
+         )
+         self.xblock2 = ItemFactory.create(
+             parent=self.unit,
+             category='crowdxblock',
+             display_name='crowdxblock'
+         )
+
+         self.xblock_names = ['text_input', 'crowdxblock']
+
+        self.course_url = reverse(
+            'courseware_section',
+            kwargs={
+                'course_id': self.course.id.to_deprecated_string(),
+                'chapter': 'Overview',
+                'section': 'Welcome',
+            }
+        )
+
+        # self.test_crowdxblock here?
+
+        for i, (email, password) in enumerate(self.STUDENT_INFO):
+            username = "u{}".format(i)
+            self.create_account(username, email, password)
+            self.activate_user(email)
+
+        self.staff_user = GlobalStaffFactory()
+        
+    def get_handler_url(self, handler, xblock_name='recommender'):
+        """
+        Get url for the specified xblock handler
+        """
+        return reverse('xblock_handler', kwargs={
+            'course_id': self.course.id.to_deprecated_string(),
+            'usage_id': quote_slashes(self.course.id.make_usage_key('crowdxblock', xblock_name).to_deprecated_string()),
+            'handler': handler,
+            'suffix': ''
+    })
+
+    def enroll_student(self, email, password):
+        """
+        Student login and enroll for the course
+        """
+        self.login(email, password)
+        self.enroll(self.course, verify=True)
+
+    def enroll_staff(self, staff):
+        """
+        Staff login and enroll for the course
+        """
+        email = staff.email
+        password = 'test'
+        self.login(email, password)
+        self.enroll(self.course, verify=True)
+
+    def add_resource(self, resource, xblock_name='crowdxblock'):
+        """
+        Add resource to crowdxblock
+        """
+        url = self.get_handler_url('add_resource', xblock_name)
+        resp = self.client.post(url, json.dumps(resource), '')
+        return json.loads(resp.content)
+
+    def initialize_database_by_id(
+        self, handler, resource_id, times, xblock_name='crowdxblock'
+    ):
+        """
+        Call a ajax event (vote, delete, endorse) on a resource by its id
+        several times
+        """
+        url = self.get_handler_url(handler, xblock_name)
+        for _ in range(0, times):
+            self.client.post(url, json.dumps({'id': resource_id}), '')
+
+    def call_event(self, handler, event_data, xblock_name='crowdxblock'):
+        """
+        Call a ajax event (edit, flag) on a resource by providing data
+        """
+        url = self.get_handler_url(handler, xblock_name)
+        resp = self.client.post(url, json.dumps(event_data), '')
+        return json.loads(resp.content)
+
+

tests.py

+def test_