def test_conditional_module_with_empty_sources_list(self):
"""
If a ConditionalBlock is initialized with an empty sources_list, we assert that the sources_list is set
via generating UsageKeys from the values in xml_attributes['sources']
"""
dummy_system = Mock()
dummy_location = BlockUsageLocator(
CourseLocator("edX", "conditional_test", "test_run"),
"conditional", "SampleConditional")
dummy_scope_ids = ScopeIds(None, None, dummy_location, dummy_location)
dummy_field_data = DictFieldData({
'data': '<conditional/>',
'xml_attributes': {
'sources': 'i4x://HarvardX/ER22x/poll_question/T15_poll'
},
'children': None,
})
conditional = ConditionalBlock(
dummy_system,
dummy_field_data,
dummy_scope_ids,
)
new_run = conditional.location.course_key.run # lint-amnesty, pylint: disable=unused-variable
assert conditional.sources_list[0] == BlockUsageLocator.from_string(conditional.xml_attributes['sources'])\
.replace(run=dummy_location.course_key.run)
def test_conditional_module_parse_sources(self):
dummy_system = Mock()
dummy_location = BlockUsageLocator(CourseLocator("edX", "conditional_test", "test_run"),
"conditional", "SampleConditional")
dummy_scope_ids = ScopeIds(None, None, dummy_location, dummy_location)
dummy_field_data = DictFieldData({
'data': '<conditional/>',
'xml_attributes': {'sources': 'i4x://HarvardX/ER22x/poll_question/T15_poll;i4x://HarvardX/ER22x/poll_question/T16_poll'}, # lint-amnesty, pylint: disable=line-too-long
'children': None,
})
conditional = ConditionalBlock(
dummy_system,
dummy_field_data,
dummy_scope_ids,
)
assert conditional.parse_sources(conditional.xml_attributes) == ['i4x://HarvardX/ER22x/poll_question/T15_poll',
'i4x://HarvardX/ER22x/poll_question/T16_poll']
def test_conditional_module_parse_attr_values(self):
root = '<conditional attempted="false"></conditional>'
xml_object = etree.XML(root)
definition = ConditionalBlock.definition_from_xml(xml_object, Mock())[0]
expected_definition = {
'show_tag_list': [],
'conditional_attr': 'attempted',
'conditional_value': 'false',
'conditional_message': ''
}
assert definition == expected_definition
def create(system,
source_is_error_module=False,
source_visible_to_staff_only=False):
"""
return a dict of modules: the conditional with a single source and a single child.
Keys are 'cond_module', 'source_module', and 'child_module'.
if the source_is_error_module flag is set, create a real ErrorBlock for the source.
"""
descriptor_system = get_test_descriptor_system()
# construct source descriptor and module:
source_location = BlockUsageLocator(CourseLocator("edX",
"conditional_test",
"test_run",
deprecated=True),
"problem",
"SampleProblem",
deprecated=True)
if source_is_error_module:
# Make an error descriptor and module
source_descriptor = NonStaffErrorBlock.from_xml(
'some random xml data',
system,
id_generator=CourseLocationManager(source_location.course_key),
error_msg='random error message')
else:
source_descriptor = Mock(name='source_descriptor')
source_descriptor.location = source_location
source_descriptor.visible_to_staff_only = source_visible_to_staff_only
source_descriptor.runtime = descriptor_system
source_descriptor.render = lambda view, context=None: descriptor_system.render(
source_descriptor, view, context)
# construct other descriptors:
child_descriptor = Mock(name='child_descriptor')
child_descriptor.visible_to_staff_only = False
child_descriptor._xmodule.student_view.return_value = Fragment(
content='<p>This is a secret</p>') # lint-amnesty, pylint: disable=protected-access
child_descriptor.student_view = child_descriptor._xmodule.student_view # lint-amnesty, pylint: disable=protected-access
child_descriptor.displayable_items.return_value = [child_descriptor]
child_descriptor.runtime = descriptor_system
child_descriptor.xmodule_runtime = get_test_system()
child_descriptor.render = lambda view, context=None: descriptor_system.render(
child_descriptor, view, context)
child_descriptor.location = source_location.replace(category='html',
name='child')
def visible_to_nonstaff_users(desc):
"""
Returns if the object is visible to nonstaff users.
"""
return not desc.visible_to_staff_only
def load_item(usage_id, for_parent=None): # pylint: disable=unused-argument
"""Test-only implementation of load_item that simply returns static xblocks."""
return {
child_descriptor.location: child_descriptor,
source_location: source_descriptor
}.get(usage_id)
descriptor_system.load_item = load_item
system.descriptor_runtime = descriptor_system
# construct conditional module:
cond_location = BlockUsageLocator(CourseLocator("edX",
"conditional_test",
"test_run",
deprecated=True),
"conditional",
"SampleConditional",
deprecated=True)
field_data = DictFieldData({
'data': '<conditional/>',
'conditional_attr': 'attempted',
'conditional_value': 'true',
'xml_attributes': {
'attempted': 'true'
},
'children': [child_descriptor.location],
})
cond_descriptor = ConditionalBlock(
descriptor_system, field_data,
ScopeIds(None, None, cond_location, cond_location))
cond_descriptor.xmodule_runtime = system
system.get_module = lambda desc: desc if visible_to_nonstaff_users(
desc) else None
cond_descriptor.get_required_blocks = [
system.get_module(source_descriptor),
]
# return dict:
return {
'cond_module': cond_descriptor,
'source_module': source_descriptor,
'child_module': child_descriptor
}