def getDefaultInstance(self, cls):
"""
Returns a new instance with the required values set.
"""
tool = avrotools.Creator(cls)
instance = tool.getDefaultInstance()
return instance
def getTypicalInstance(self, cls):
"""
Returns a typical instance of the specified protocol class.
"""
tool = avrotools.Creator(cls)
instance = tool.getTypicalInstance()
return instance
def _createInstance(self, requestClass):
"""
Returns a valid instance of the specified class.
"""
creator = avrotools.Creator(requestClass)
instance = creator.getTypicalInstance()
return instance
def getRandomInstance(self, cls):
"""
Returns an instance of the specified class with randomly generated
values conforming to the schema.
"""
tool = avrotools.Creator(cls)
instance = tool.getRandomInstance()
return instance
def testGeneratedObjects(self):
# Test that generated objects pass validation
for class_ in protocol.getProtocolClasses():
creator = avrotools.Creator(class_)
validator = avrotools.Validator(class_)
generatedInstance = creator.getTypicalInstance()
jsonDict = generatedInstance.toJsonDict()
returnValue = validator.getInvalidFields(jsonDict)
self.assertEqual(returnValue, {})
def testOptionalFields(self):
# test that omission of optional fields does not throw
# an exception, but omission of a required field returns
# a dict only mentioning that field
for class_ in protocol.getProtocolClasses():
validator = avrotools.Validator(class_)
creator = avrotools.Creator(class_)
generatedInstance = creator.getTypicalInstance()
jsonDict = generatedInstance.toJsonDict()
requiredFields = class_.requiredFields
for key in jsonDict.keys():
if key not in requiredFields:
del jsonDict[key]
returnValue = validator.getInvalidFields(jsonDict)
self.assertEqual(returnValue, {})
if len(requiredFields) != 0:
requiredKey = list(requiredFields)[0]
del jsonDict[requiredKey]
returnValue = validator.getInvalidFields(jsonDict)
self.assertEqual(returnValue[requiredKey],
avrotools.SchemaValidator.missingValue)
self.assertEqual(len(returnValue), 1)
def getInvalidValue(self, cls, fieldName):
"""
Returns a value that should trigger a schema validation failure.
"""
value = avrotools.Creator(cls).getInvalidField(fieldName)
return value