Files
edx-platform/lms/djangoapps/course_api/blocks/tests/test_api.py

234 lines
8.9 KiB
Python

"""
Tests for Blocks api.py
"""
from unittest.mock import patch
import ddt
from django.test.client import RequestFactory
from common.djangoapps.student.tests.factories import UserFactory
from openedx.core.djangoapps.content.block_structure.api import clear_course_from_cache
from openedx.core.djangolib.testing.utils import AUTHZ_TABLES
from xmodule.modulestore import ModuleStoreEnum # lint-amnesty, pylint: disable=wrong-import-order
from xmodule.modulestore.tests.django_utils import SharedModuleStoreTestCase # lint-amnesty, pylint: disable=wrong-import-order
from xmodule.modulestore.tests.factories import SampleCourseFactory, check_mongo_calls # lint-amnesty, pylint: disable=wrong-import-order
from xmodule.modulestore.tests.sample_courses import BlockInfo # lint-amnesty, pylint: disable=wrong-import-order
from ..api import get_blocks
QUERY_COUNT_TABLE_IGNORELIST = AUTHZ_TABLES
class TestGetBlocks(SharedModuleStoreTestCase):
"""
Tests for the get_blocks function
"""
@classmethod
def setUpClass(cls):
super().setUpClass()
with cls.store.default_store(ModuleStoreEnum.Type.split):
cls.course = SampleCourseFactory.create()
# hide the html block
cls.html_block = cls.store.get_item(cls.course.id.make_usage_key('html', 'html_x1a_1'))
cls.html_block.visible_to_staff_only = True
cls.store.update_item(cls.html_block, ModuleStoreEnum.UserID.test)
def setUp(self):
super().setUp()
self.user = UserFactory.create()
self.request = RequestFactory().get("/dummy")
self.request.user = self.user
def test_basic(self):
blocks = get_blocks(self.request, self.course.location, self.user)
assert blocks['root'] == str(self.course.location)
# subtract for (1) the orphaned course About block and (2) the hidden Html block
assert len(blocks['blocks']) == (len(self.store.get_items(self.course.id)) - 2)
assert str(self.html_block.location) not in blocks['blocks']
def test_no_user(self):
blocks = get_blocks(self.request, self.course.location)
assert str(self.html_block.location) not in blocks['blocks']
vertical_block = self.store.get_item(self.course.id.make_usage_key('vertical', 'vertical_x1a'))
assert str(vertical_block.location) in blocks['blocks']
def test_access_before_api_transformer_order(self):
"""
Tests the order of transformers: access checks are made before the api
transformer is applied.
"""
blocks = get_blocks(self.request, self.course.location, self.user, nav_depth=5, requested_fields=['nav_depth'])
vertical_block = self.store.get_item(self.course.id.make_usage_key('vertical', 'vertical_x1a'))
problem_block = self.store.get_item(self.course.id.make_usage_key('problem', 'problem_x1a_1'))
vertical_descendants = blocks['blocks'][str(vertical_block.location)]['descendants']
assert str(problem_block.location) in vertical_descendants
assert str(self.html_block.location) not in vertical_descendants
def test_sub_structure(self):
sequential_block = self.store.get_item(self.course.id.make_usage_key('sequential', 'sequential_y1'))
blocks = get_blocks(self.request, sequential_block.location, self.user)
assert blocks['root'] == str(sequential_block.location)
assert len(blocks['blocks']) == 5
for block_type, block_name, is_inside_of_structure in (
('vertical', 'vertical_y1a', True),
('problem', 'problem_y1a_1', True),
('chapter', 'chapter_y', False),
('sequential', 'sequential_x1', False),
):
block = self.store.get_item(self.course.id.make_usage_key(block_type, block_name))
if is_inside_of_structure:
assert str(block.location) in blocks['blocks']
else:
assert str(block.location) not in blocks['blocks']
def test_filtering_by_block_types(self):
sequential_block = self.store.get_item(self.course.id.make_usage_key('sequential', 'sequential_y1'))
# not filtered blocks
blocks = get_blocks(self.request, sequential_block.location, self.user, requested_fields=['type'])
assert len(blocks['blocks']) == 5
found_not_problem = False
for block in blocks['blocks'].values():
if block['type'] != 'problem':
found_not_problem = True
assert found_not_problem
# filtered blocks
blocks = get_blocks(self.request, sequential_block.location, self.user,
block_types_filter=['problem'], requested_fields=['type'])
assert len(blocks['blocks']) == 3
for block in blocks['blocks'].values():
assert block['type'] == 'problem'
class TestGetBlocksVideoUrls(SharedModuleStoreTestCase):
"""
Tests the video blocks returned have their URL re-written for
encoded videos.
"""
@classmethod
def setUpClass(cls):
super().setUpClass()
with cls.store.default_store(ModuleStoreEnum.Type.split):
cls.course = SampleCourseFactory.create(
block_info_tree=[
BlockInfo('empty_chapter', 'chapter', {}, [
BlockInfo('empty_sequential', 'sequential', {}, [
BlockInfo('empty_vertical', 'vertical', {}, []),
]),
]),
BlockInfo('full_chapter', 'chapter', {}, [
BlockInfo('full_sequential', 'sequential', {}, [
BlockInfo('full_vertical', 'vertical', {}, [
BlockInfo('html', 'html', {}, []),
BlockInfo('sample_video', 'video', {}, [])
]),
]),
])
]
)
def setUp(self):
super().setUp()
self.user = UserFactory.create()
self.request = RequestFactory().get("/dummy")
self.request.user = self.user
@patch('xmodule.video_block.VideoBlock.student_view_data')
def test_video_urls_rewrite(self, video_data_patch):
"""
Verify the video blocks returned have their URL re-written for
encoded videos.
"""
video_data_patch.return_value = {
'encoded_videos': {
'hls': {
'url': 'https://xyz123.cloudfront.net/XYZ123ABC.mp4',
'file_size': 0
},
'mobile_low': {
'url': 'https://1234abcd.cloudfront.net/ABCD1234abcd.mp4',
'file_size': 0
}
}
}
blocks = get_blocks(
self.request, self.course.location, requested_fields=['student_view_data'], student_view_data=['video']
)
video_block_key = str(self.course.id.make_usage_key('video', 'sample_video'))
video_block_data = blocks['blocks'][video_block_key]
for video_data in video_block_data['student_view_data']['encoded_videos'].values():
assert 'cloudfront' not in video_data['url']
@ddt.ddt
class TestGetBlocksQueryCountsBase(SharedModuleStoreTestCase):
"""
Base for the get_blocks tests.
"""
ENABLED_SIGNALS = ['course_published']
def setUp(self):
super().setUp()
self.user = UserFactory.create()
self.request = RequestFactory().get("/dummy")
self.request.user = self.user
def _create_course(self, store_type):
"""
Creates the sample course in the given store type.
"""
with self.store.default_store(store_type):
return SampleCourseFactory.create()
def _get_blocks(self, course, expected_mongo_queries, expected_sql_queries):
"""
Verifies the number of expected queries when calling
get_blocks on the given course.
"""
with check_mongo_calls(expected_mongo_queries):
with self.assertNumQueries(expected_sql_queries, table_ignorelist=QUERY_COUNT_TABLE_IGNORELIST):
get_blocks(self.request, course.location, self.user)
@ddt.ddt
class TestGetBlocksQueryCounts(TestGetBlocksQueryCountsBase):
"""
Tests query counts for the get_blocks function.
"""
@ddt.data(ModuleStoreEnum.Type.split)
def test_query_counts_cached(self, store_type):
course = self._create_course(store_type)
self._get_blocks(
course,
expected_mongo_queries=0,
expected_sql_queries=16,
)
@ddt.data(
(ModuleStoreEnum.Type.split, 2, 26),
)
@ddt.unpack
def test_query_counts_uncached(self, store_type, expected_mongo_queries, num_sql_queries):
course = self._create_course(store_type)
clear_course_from_cache(course.id)
self._get_blocks(
course,
expected_mongo_queries,
expected_sql_queries=num_sql_queries,
)