def test_runtime_handle():
# Test a simple handler and a fallback handler
key_store = DictKeyValueStore()
field_data = KvsFieldData(key_store)
runtime = TestRuntime(services={"field-data": field_data})
tester = TestXBlock(runtime, scope_ids=Mock(spec=ScopeIds))
runtime = MockRuntimeForQuerying()
# string we want to update using the handler
update_string = "user state update"
assert_equals(runtime.handle(tester, "existing_handler", update_string), "I am the existing test handler")
assert_equals(tester.user_state, update_string)
# when the handler needs to use the fallback as given name can't be found
new_update_string = "new update"
assert_equals(runtime.handle(tester, "test_fallback_handler", new_update_string), "I have been handled")
assert_equals(tester.user_state, new_update_string)
# request to use a handler which doesn't have XBlock.handler decoration
# should use the fallback
new_update_string = "new update"
assert_equals(runtime.handle(tester, "handler_without_correct_decoration", new_update_string), "gone to fallback")
assert_equals(tester.user_state, new_update_string)
# handler can't be found & no fallback handler supplied, should throw an exception
tester = TestXBlockNoFallback(runtime, scope_ids=Mock(spec=ScopeIds))
ultimate_string = "ultimate update"
with assert_raises(NoSuchHandlerError):
runtime.handle(tester, "test_nonexistant_fallback_handler", ultimate_string)
# request to use a handler which doesn't have XBlock.handler decoration
# and no fallback should raise NoSuchHandlerError
with assert_raises(NoSuchHandlerError):
runtime.handle(tester, "handler_without_correct_decoration", "handled")
def test_runtime_handle():
# Test a simple handler and a fallback handler
key_store = DictKeyValueStore()
field_data = KvsFieldData(key_store)
runtime = TestRuntime(services={'field-data': field_data})
tester = TestXBlock(runtime, scope_ids=Mock(spec=ScopeIds))
runtime = MockRuntimeForQuerying()
# string we want to update using the handler
update_string = "user state update"
assert_equals(runtime.handle(tester, 'existing_handler', update_string),
'I am the existing test handler')
assert_equals(tester.user_state, update_string)
# when the handler needs to use the fallback as given name can't be found
new_update_string = "new update"
assert_equals(
runtime.handle(tester, 'test_fallback_handler', new_update_string),
'I have been handled')
assert_equals(tester.user_state, new_update_string)
# request to use a handler which doesn't have XBlock.handler decoration
# should use the fallback
new_update_string = "new update"
assert_equals(
runtime.handle(tester, 'handler_without_correct_decoration',
new_update_string), 'gone to fallback')
assert_equals(tester.user_state, new_update_string)
# handler can't be found & no fallback handler supplied, should throw an exception
tester = TestXBlockNoFallback(runtime, scope_ids=Mock(spec=ScopeIds))
ultimate_string = "ultimate update"
with assert_raises(NoSuchHandlerError):
runtime.handle(tester, 'test_nonexistant_fallback_handler',
ultimate_string)
# request to use a handler which doesn't have XBlock.handler decoration
# and no fallback should raise NoSuchHandlerError
with assert_raises(NoSuchHandlerError):
runtime.handle(tester, 'handler_without_correct_decoration', 'handled')
