267 lines
9.9 KiB
Python
267 lines
9.9 KiB
Python
"""
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Tests for Blocks Views
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"""
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from datetime import datetime
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from django.core.urlresolvers import reverse
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from string import join
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from urllib import urlencode
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from urlparse import urlunparse
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from opaque_keys.edx.locator import CourseLocator
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from student.models import CourseEnrollment
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from student.tests.factories import AdminFactory, CourseEnrollmentFactory, UserFactory
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from xmodule.modulestore.tests.django_utils import SharedModuleStoreTestCase
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from xmodule.modulestore.tests.factories import ToyCourseFactory
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from .helpers import deserialize_usage_key
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class TestBlocksView(SharedModuleStoreTestCase):
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"""
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Test class for BlocksView
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"""
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requested_fields = ['graded', 'format', 'student_view_multi_device', 'children', 'not_a_field', 'due']
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BLOCK_TYPES_WITH_STUDENT_VIEW_DATA = ['video', 'discussion']
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@classmethod
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def setUpClass(cls):
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super(TestBlocksView, cls).setUpClass()
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# create a toy course
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cls.course = ToyCourseFactory.create(
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modulestore=cls.store,
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due=datetime(3013, 9, 18, 11, 30, 00),
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)
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cls.course_key = cls.course.id
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cls.course_usage_key = cls.store.make_course_usage_key(cls.course_key)
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cls.non_orphaned_block_usage_keys = set(
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unicode(item.location)
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for item in cls.store.get_items(cls.course_key)
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# remove all orphaned items in the course, except for the root 'course' block
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if cls.store.get_parent_location(item.location) or item.category == 'course'
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)
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def setUp(self):
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super(TestBlocksView, self).setUp()
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# create and enroll user in the toy course
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self.user = UserFactory.create()
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self.client.login(username=self.user.username, password='test')
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CourseEnrollmentFactory.create(user=self.user, course_id=self.course_key)
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# default values for url and query_params
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self.url = reverse(
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'blocks_in_block_tree',
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kwargs={'usage_key_string': unicode(self.course_usage_key)}
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)
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self.query_params = {'depth': 'all', 'username': self.user.username}
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def verify_response(self, expected_status_code=200, params=None, url=None):
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"""
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Ensure that sending a GET request to the specified URL returns the
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expected status code.
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Arguments:
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expected_status_code: The status_code that is expected in the
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response.
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params: Parameters to add to self.query_params to include in the
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request.
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url: The URL to send the GET request. Default is self.url.
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Returns:
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response: The HttpResponse returned by the request
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"""
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if params:
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self.query_params.update(params)
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response = self.client.get(url or self.url, self.query_params)
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self.assertEquals(response.status_code, expected_status_code)
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return response
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def verify_response_block_list(self, response):
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"""
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Verify that the response contains only the expected block ids.
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"""
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self.assertSetEqual(
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{block['id'] for block in response.data},
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self.non_orphaned_block_usage_keys,
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)
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def verify_response_block_dict(self, response):
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"""
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Verify that the response contains the expected blocks
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"""
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self.assertSetEqual(
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set(response.data['blocks'].iterkeys()),
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self.non_orphaned_block_usage_keys,
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)
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def verify_response_with_requested_fields(self, response):
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"""
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Verify the response has the expected structure
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"""
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self.verify_response_block_dict(response)
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for block_key_string, block_data in response.data['blocks'].iteritems():
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block_key = deserialize_usage_key(block_key_string, self.course_key)
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xblock = self.store.get_item(block_key)
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self.assert_in_iff('children', block_data, xblock.has_children)
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self.assert_in_iff('graded', block_data, xblock.graded is not None)
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self.assert_in_iff('format', block_data, xblock.format is not None)
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self.assert_in_iff('due', block_data, xblock.due is not None)
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self.assert_true_iff(block_data['student_view_multi_device'], block_data['type'] == 'html')
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self.assertNotIn('not_a_field', block_data)
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if xblock.has_children:
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self.assertSetEqual(
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set(unicode(child.location) for child in xblock.get_children()),
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set(block_data['children']),
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)
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def assert_in_iff(self, member, container, predicate):
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"""
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Assert that member is in container if and only if predicate is true.
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Arguments:
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member - any object
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container - any container
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predicate - an expression, tested for truthiness
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"""
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if predicate:
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self.assertIn(member, container)
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else:
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self.assertNotIn(member, container)
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def assert_true_iff(self, expression, predicate):
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"""
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Assert that the expression is true if and only if the predicate is true
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Arguments:
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expression
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predicate
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"""
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if predicate:
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self.assertTrue(expression)
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else:
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self.assertFalse(expression)
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def test_not_authenticated(self):
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self.client.logout()
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self.verify_response(401)
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def test_not_enrolled(self):
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CourseEnrollment.unenroll(self.user, self.course_key)
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self.verify_response(403)
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def test_non_existent_course(self):
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usage_key = self.store.make_course_usage_key(CourseLocator('non', 'existent', 'course'))
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url = reverse(
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'blocks_in_block_tree',
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kwargs={'usage_key_string': unicode(usage_key)}
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)
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self.verify_response(403, url=url)
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def test_no_user_non_staff(self):
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self.query_params.pop('username')
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self.query_params['all_blocks'] = True
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self.verify_response(403)
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def test_no_user_staff_not_all_blocks(self):
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self.query_params.pop('username')
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self.verify_response(400)
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def test_no_user_staff_all_blocks(self):
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self.client.login(username=AdminFactory.create().username, password='test')
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self.query_params.pop('username')
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self.query_params['all_blocks'] = True
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self.verify_response()
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def test_basic(self):
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response = self.verify_response()
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self.assertEquals(response.data['root'], unicode(self.course_usage_key))
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self.verify_response_block_dict(response)
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for block_key_string, block_data in response.data['blocks'].iteritems():
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block_key = deserialize_usage_key(block_key_string, self.course_key)
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self.assertEquals(block_data['id'], block_key_string)
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self.assertEquals(block_data['type'], block_key.block_type)
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self.assertEquals(block_data['display_name'], self.store.get_item(block_key).display_name or '')
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def test_return_type_param(self):
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response = self.verify_response(params={'return_type': 'list'})
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self.verify_response_block_list(response)
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def test_block_counts_param(self):
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response = self.verify_response(params={'block_counts': ['course', 'chapter']})
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self.verify_response_block_dict(response)
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for block_data in response.data['blocks'].itervalues():
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self.assertEquals(
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block_data['block_counts']['course'],
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1 if block_data['type'] == 'course' else 0,
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)
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self.assertEquals(
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block_data['block_counts']['chapter'],
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(
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1 if block_data['type'] == 'chapter' else
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5 if block_data['type'] == 'course' else
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0
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)
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)
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def test_student_view_data_param(self):
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response = self.verify_response(params={
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'student_view_data': self.BLOCK_TYPES_WITH_STUDENT_VIEW_DATA + ['chapter']
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})
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self.verify_response_block_dict(response)
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for block_data in response.data['blocks'].itervalues():
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self.assert_in_iff(
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'student_view_data',
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block_data,
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block_data['type'] in self.BLOCK_TYPES_WITH_STUDENT_VIEW_DATA
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)
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def test_navigation_param(self):
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response = self.verify_response(params={'nav_depth': 10})
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self.verify_response_block_dict(response)
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for block_data in response.data['blocks'].itervalues():
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self.assertIn('descendants', block_data)
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def test_requested_fields_param(self):
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response = self.verify_response(
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params={'requested_fields': self.requested_fields}
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)
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self.verify_response_with_requested_fields(response)
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def test_with_list_field_url(self):
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query = urlencode(self.query_params.items() + [
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('requested_fields', self.requested_fields[0]),
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('requested_fields', self.requested_fields[1]),
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('requested_fields', join(self.requested_fields[1:], ',')),
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])
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self.query_params = None
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response = self.verify_response(
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url=urlunparse(("", "", self.url, "", query, ""))
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)
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self.verify_response_with_requested_fields(response)
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class TestBlocksInCourseView(TestBlocksView): # pylint: disable=test-inherits-tests
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"""
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Test class for BlocksInCourseView
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"""
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def setUp(self):
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super(TestBlocksInCourseView, self).setUp()
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self.url = reverse('blocks_in_course')
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self.query_params['course_id'] = unicode(self.course_key)
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def test_no_course_id(self):
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self.query_params.pop('course_id')
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self.verify_response(400)
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def test_invalid_course_id(self):
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self.verify_response(400, params={'course_id': 'invalid_course_id'})
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def test_non_existent_course(self):
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self.verify_response(403, params={'course_id': unicode(CourseLocator('non', 'existent', 'course'))})
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