def setUp(self):
self.content = Mock()
self.settings = Mock()
self.split = SplitFieldData({
Scope.content: self.content,
Scope.settings: self.settings
})
self.block = TestingBlock(
runtime=Mock(),
field_data=self.split,
scope_ids=Mock(),
)
def setUp(self):
self.content = Mock()
self.settings = Mock()
self.split = SplitFieldData({
Scope.content: self.content,
Scope.settings: self.settings
})
self.runtime = TestRuntime(services={'field-data': self.split})
self.block = TestingBlock(
runtime=self.runtime,
scope_ids=Mock(),
)
def setup_method(self):
"""
Setup for each test case in this class.
"""
self.content = Mock()
self.settings = Mock()
self.split = SplitFieldData({
Scope.content: self.content,
Scope.settings: self.settings
})
self.runtime = TestRuntime(services={'field-data': self.split})
self.block = TestingBlock(
runtime=self.runtime,
scope_ids=Mock(),
)
def _init_field_data_for_block(self, block):
"""
Initialize the FieldData implementation for the specified XBlock
"""
if self.user is None:
# No user is specified, so we want to throw an error if anything attempts to read/write user-specific fields
student_data_store = None
elif self.user.is_anonymous:
# The user is anonymous. Future work will support saving their state
# in a cache or the django session but for now just use a highly
# ephemeral dict.
student_data_store = KvsFieldData(kvs=DictKeyValueStore())
elif self.system.student_data_mode == XBlockRuntimeSystem.STUDENT_DATA_EPHEMERAL:
# We're in an environment like Studio where we want to let the
# author test blocks out but not permanently save their state.
# This in-memory dict will typically only persist for one
# request-response cycle, so we need to soon replace it with a store
# that puts the state into a cache or the django session.
student_data_store = KvsFieldData(kvs=DictKeyValueStore())
else:
# Use database-backed field data (i.e. store user_state in StudentModule)
context_key = block.scope_ids.usage_id.context_key
if context_key not in self.django_field_data_caches:
field_data_cache = FieldDataCache(
[block],
course_id=context_key,
user=self.user,
asides=None,
read_only=False,
)
self.django_field_data_caches[context_key] = field_data_cache
else:
field_data_cache = self.django_field_data_caches[context_key]
field_data_cache.add_descriptors_to_cache([block])
student_data_store = KvsFieldData(
kvs=DjangoKeyValueStore(field_data_cache))
return SplitFieldData({
Scope.content: self.system.authored_data_store,
Scope.settings: self.system.authored_data_store,
Scope.parent: self.system.authored_data_store,
Scope.children: self.system.authored_data_store,
Scope.user_state_summary: student_data_store,
Scope.user_state: student_data_store,
Scope.user_info: student_data_store,
Scope.preferences: student_data_store,
})
def _init_field_data_for_block(self, block):
"""
Initialize the FieldData implementation for the specified XBlock
"""
if self.user is None:
# No user is specified, so we want to throw an error if anything attempts to read/write user-specific fields
student_data_store = None
elif self.user.is_anonymous:
# This is an anonymous (non-registered) user:
assert self.user_id.startswith("anon")
kvs = EphemeralKeyValueStore()
student_data_store = KvsFieldData(kvs)
elif self.system.student_data_mode == XBlockRuntimeSystem.STUDENT_DATA_EPHEMERAL:
# We're in an environment like Studio where we want to let the
# author test blocks out but not permanently save their state.
kvs = EphemeralKeyValueStore()
student_data_store = KvsFieldData(kvs)
else:
# Use database-backed field data (i.e. store user_state in StudentModule)
context_key = block.scope_ids.usage_id.context_key
if context_key not in self.django_field_data_caches:
field_data_cache = FieldDataCache(
[block],
course_id=context_key,
user=self.user,
asides=None,
read_only=False,
)
self.django_field_data_caches[context_key] = field_data_cache
else:
field_data_cache = self.django_field_data_caches[context_key]
field_data_cache.add_descriptors_to_cache([block])
student_data_store = KvsFieldData(
kvs=DjangoKeyValueStore(field_data_cache))
return SplitFieldData({
Scope.content: self.system.authored_data_store,
Scope.settings: self.system.authored_data_store,
Scope.parent: self.system.authored_data_store,
Scope.children: self.system.children_data_store,
Scope.user_state_summary: student_data_store,
Scope.user_state: student_data_store,
Scope.user_info: student_data_store,
Scope.preferences: student_data_store,
})
def __init__(
self,
handler_url, # type: (Callable[[XBlock, string, string, string, bool], string]
authored_data_kvs, # type: KeyValueStore
student_data_kvs, # type: KeyValueStore
runtime_class, # type: XBlockRuntime
):
"""
args:
handler_url: A method that implements the XBlock runtime
handler_url interface.
authored_data_kvs: An KeyValueStore used to retrieve
any fields with UserScope.NONE
student_data_kvs: An KeyValueStore used to retrieve
any fields with UserScope.ONE or UserScope.ALL
"""
self.handler_url = handler_url
# TODO: new ID manager:
self.id_reader = OpaqueKeyReader()
self.id_generator = MemoryIdManager(
) # We don't really use id_generator until we need to support asides
self.runtime_class = runtime_class
# Field data storage/retrieval:
authored_data = KvsFieldData(kvs=authored_data_kvs)
student_data = KvsFieldData(kvs=student_data_kvs)
#if authored_data_readonly:
# authored_data = ReadOnlyFieldData(authored_data)
self.field_data = SplitFieldData({
Scope.content: authored_data,
Scope.settings: authored_data,
Scope.parent: authored_data,
Scope.children: authored_data,
Scope.user_state_summary: student_data,
Scope.user_state: student_data,
Scope.user_info: student_data,
Scope.preferences: student_data,
})
self._error_trackers = {}
def __init__(
self,
handler_url, # type: (Callable[[UsageKey, str, Union[int, ANONYMOUS_USER]], str]
authored_data_store, # type: FieldData
student_data_store, # type: FieldData
runtime_class, # type: XBlockRuntime
):
"""
args:
handler_url: A method to get URLs to call XBlock handlers. It must
implement this signature:
handler_url(
usage_key: UsageKey,
handler_name: str,
user_id: Union[int, ANONYMOUS_USER],
)
If user_id is ANONYMOUS_USER, the handler should execute without
any user-scoped fields.
authored_data_store: A FieldData instance used to retrieve/write
any fields with UserScope.NONE
student_data_store: A FieldData instance used to retrieve/write
any fields with UserScope.ONE or UserScope.ALL
"""
self.handler_url = handler_url
self.id_reader = OpaqueKeyReader()
self.id_generator = MemoryIdManager(
) # We don't really use id_generator until we need to support asides
self.runtime_class = runtime_class
self.authored_data_store = authored_data_store
self.field_data = SplitFieldData({
Scope.content: authored_data_store,
Scope.settings: authored_data_store,
Scope.parent: authored_data_store,
Scope.children: authored_data_store,
Scope.user_state_summary: student_data_store,
Scope.user_state: student_data_store,
Scope.user_info: student_data_store,
Scope.preferences: student_data_store,
})
self._error_trackers = {}
