Files
edx-platform/common/lib/xmodule/xmodule/tests/__init__.py
2014-08-05 09:54:29 -04:00

310 lines
12 KiB
Python

"""
unittests for xmodule
Run like this:
paver test_lib -l common/lib/xmodule
"""
import json
import os
import pprint
import unittest
from mock import Mock
from path import path
from xblock.field_data import DictFieldData
from xblock.fields import ScopeIds
from xmodule.x_module import ModuleSystem, XModuleDescriptor, XModuleMixin
from xmodule.modulestore.inheritance import InheritanceMixin, own_metadata
from opaque_keys.edx.locations import SlashSeparatedCourseKey
from xmodule.mako_module import MakoDescriptorSystem
from xmodule.error_module import ErrorDescriptor
MODULE_DIR = path(__file__).dirname()
# Location of common test DATA directory
# '../../../../edx-platform/common/test/data/'
DATA_DIR = MODULE_DIR.parent.parent.parent.parent / "test" / "data"
open_ended_grading_interface = {
'url': 'blah/',
'username': 'incorrect_user',
'password': 'incorrect_pass',
'staff_grading': 'staff_grading',
'peer_grading': 'peer_grading',
'grading_controller': 'grading_controller',
}
class TestModuleSystem(ModuleSystem): # pylint: disable=abstract-method
"""
ModuleSystem for testing
"""
def handler_url(self, block, handler, suffix='', query='', thirdparty=False):
return '{usage_id}/{handler}{suffix}?{query}'.format(
usage_id=block.scope_ids.usage_id.to_deprecated_string(),
handler=handler,
suffix=suffix,
query=query,
)
def local_resource_url(self, block, uri):
return 'resource/{usage_id}/{uri}'.format(
usage_id=block.scope_ids.usage_id.to_deprecated_string(),
uri=uri,
)
def get_test_system(course_id=SlashSeparatedCourseKey('org', 'course', 'run')):
"""
Construct a test ModuleSystem instance.
By default, the render_template() method simply returns the repr of the
context it is passed. You can override this behavior by monkey patching::
system = get_test_system()
system.render_template = my_render_func
where `my_render_func` is a function of the form my_render_func(template, context).
"""
return TestModuleSystem(
static_url='/static',
track_function=Mock(),
get_module=Mock(),
render_template=mock_render_template,
replace_urls=str,
user=Mock(is_staff=False),
filestore=Mock(),
debug=True,
hostname="edx.org",
xqueue={'interface': None, 'callback_url': '/', 'default_queuename': 'testqueue', 'waittime': 10, 'construct_callback' : Mock(side_effect="/")},
node_path=os.environ.get("NODE_PATH", "/usr/local/lib/node_modules"),
anonymous_student_id='student',
open_ended_grading_interface=open_ended_grading_interface,
course_id=course_id,
error_descriptor_class=ErrorDescriptor,
get_user_role=Mock(is_staff=False),
descriptor_runtime=get_test_descriptor_system(),
user_location=Mock(),
)
def get_test_descriptor_system():
"""
Construct a test DescriptorSystem instance.
"""
return MakoDescriptorSystem(
load_item=Mock(),
resources_fs=Mock(),
error_tracker=Mock(),
render_template=mock_render_template,
mixins=(InheritanceMixin, XModuleMixin),
field_data=DictFieldData({}),
)
def mock_render_template(*args, **kwargs):
"""
Pretty-print the args and kwargs.
Allows us to not depend on any actual template rendering mechanism,
while still returning a unicode object
"""
return pprint.pformat((args, kwargs)).decode()
class ModelsTest(unittest.TestCase):
def setUp(self):
pass
def test_load_class(self):
vc = XModuleDescriptor.load_class('video')
vc_str = "<class 'xmodule.video_module.video_module.VideoDescriptor'>"
self.assertEqual(str(vc), vc_str)
class LogicTest(unittest.TestCase):
"""Base class for testing xmodule logic."""
descriptor_class = None
raw_field_data = {}
def setUp(self):
class EmptyClass:
"""Empty object."""
url_name = ''
category = 'test'
self.system = get_test_system()
self.descriptor = EmptyClass()
self.xmodule_class = self.descriptor_class.module_class
usage_key = self.system.course_id.make_usage_key(self.descriptor.category, 'test_loc')
# ScopeIds has 4 fields: user_id, block_type, def_id, usage_id
scope_ids = ScopeIds(1, self.descriptor.category, usage_key, usage_key)
self.xmodule = self.xmodule_class(
self.descriptor, self.system, DictFieldData(self.raw_field_data), scope_ids
)
def ajax_request(self, dispatch, data):
"""Call Xmodule.handle_ajax."""
return json.loads(self.xmodule.handle_ajax(dispatch, data))
class CourseComparisonTest(unittest.TestCase):
"""
Mixin that has methods for comparing courses for equality.
"""
def setUp(self):
self.field_exclusions = set()
self.ignored_asset_keys = set()
def exclude_field(self, usage_id, field_name):
"""
Mark field ``field_name`` of expected block usage ``usage_id`` as ignored
Args:
usage_id (:class:`opaque_keys.edx.UsageKey` or ``None``). If ``None``, skip, this field in all blocks
field_name (string): The name of the field to skip
"""
self.field_exclusions.add((usage_id, field_name))
def ignore_asset_key(self, key_name):
"""
Add an asset key to the list of keys to be ignored when comparing assets.
Args:
key_name: The name of the key to ignore.
"""
self.ignored_asset_keys.add(key_name)
def assertCoursesEqual(self, expected_store, expected_course_key, actual_store, actual_course_key):
"""
Assert that the courses identified by ``expected_course_key`` in ``expected_store`` and
``actual_course_key`` in ``actual_store`` are identical (ignore differences related
owing to the course_keys being different).
Any field value mentioned in ``self.field_exclusions`` by the key (usage_id, field_name)
will be ignored for the purpose of equality checking.
"""
expected_items = expected_store.get_items(expected_course_key)
actual_items = actual_store.get_items(actual_course_key)
self.assertGreater(len(expected_items), 0)
self.assertEqual(len(expected_items), len(actual_items))
actual_item_map = {item.location: item for item in actual_items}
for expected_item in expected_items:
actual_item_location = expected_item.location.map_into_course(actual_course_key)
if expected_item.location.category == 'course':
actual_item_location = actual_item_location.replace(name=actual_item_location.run)
actual_item = actual_item_map.get(actual_item_location)
# compare published state
exp_pub_state = expected_store.compute_publish_state(expected_item)
act_pub_state = actual_store.compute_publish_state(actual_item)
self.assertEqual(
exp_pub_state,
act_pub_state,
'Published states for usages {} and {} differ: {!r} != {!r}'.format(
expected_item.location,
actual_item.location,
exp_pub_state,
act_pub_state
)
)
# compare fields
self.assertEqual(expected_item.fields, actual_item.fields)
for field_name in expected_item.fields:
if (expected_item.scope_ids.usage_id, field_name) in self.field_exclusions:
continue
if (None, field_name) in self.field_exclusions:
continue
# Children are handled specially
if field_name == 'children':
continue
exp_value = getattr(expected_item, field_name)
actual_value = getattr(actual_item, field_name)
self.assertEqual(
exp_value,
actual_value,
"Field {!r} doesn't match between usages {} and {}: {!r} != {!r}".format(
field_name,
expected_item.scope_ids.usage_id,
actual_item.scope_ids.usage_id,
exp_value,
actual_value,
)
)
# compare children
self.assertEqual(expected_item.has_children, actual_item.has_children)
if expected_item.has_children:
expected_children = []
for course1_item_child in expected_item.children:
expected_children.append(
course1_item_child.map_into_course(actual_course_key)
)
self.assertEqual(expected_children, actual_item.children)
def assertAssetEqual(self, expected_course_key, expected_asset, actual_course_key, actual_asset):
"""
Assert that two assets are equal, allowing for differences related to their being from different courses.
"""
for key in self.ignored_asset_keys:
if key in expected_asset:
del expected_asset[key]
if key in actual_asset:
del actual_asset[key]
expected_key = expected_asset.pop('asset_key')
actual_key = actual_asset.pop('asset_key')
self.assertEqual(expected_key.map_into_course(actual_course_key), actual_key)
self.assertEqual(expected_key, actual_key.map_into_course(expected_course_key))
expected_filename = expected_asset.pop('filename')
actual_filename = actual_asset.pop('filename')
self.assertEqual(expected_key.to_deprecated_string(), expected_filename)
self.assertEqual(actual_key.to_deprecated_string(), actual_filename)
self.assertEqual(expected_asset, actual_asset)
def _assertAssetsEqual(self, expected_course_key, expected_assets, actual_course_key, actual_assets): # pylint: disable=invalid-name
"""
Private helper method for assertAssetsEqual
"""
self.assertEqual(len(expected_assets), len(actual_assets))
actual_assets_map = {asset['asset_key']: asset for asset in actual_assets}
for expected_item in expected_assets:
actual_item = actual_assets_map[expected_item['asset_key'].map_into_course(actual_course_key)]
self.assertAssetEqual(expected_course_key, expected_item, actual_course_key, actual_item)
def assertAssetsEqual(self, expected_store, expected_course_key, actual_store, actual_course_key):
"""
Assert that the course assets identified by ``expected_course_key`` in ``expected_store`` and
``actual_course_key`` in ``actual_store`` are identical, allowing for differences related
to their being from different course keys.
"""
expected_content, expected_count = expected_store.get_all_content_for_course(expected_course_key)
actual_content, actual_count = actual_store.get_all_content_for_course(actual_course_key)
self.assertEqual(expected_count, actual_count)
self._assertAssetsEqual(expected_course_key, expected_content, actual_course_key, actual_content)
expected_thumbs = expected_store.get_all_content_thumbnails_for_course(expected_course_key)
actual_thumbs = actual_store.get_all_content_thumbnails_for_course(actual_course_key)
self._assertAssetsEqual(expected_course_key, expected_thumbs, actual_course_key, actual_thumbs)