def test_build_with_multiple_superclasses(self):
NamedJSONDecoder = MappingJSONDecoderClassBuilder(_Named, [
JsonPropertyMapping("name", "name")
]).build()
OfficeJSONDecoder = MappingJSONDecoderClassBuilder(_Office, [], (NamedJSONDecoder,)).build()
IdentifiableJSONDecoder = MappingJSONDecoderClassBuilder(_Identifiable, [
JsonPropertyMapping("id", "id")
]).build()
EmployeeJSONDecoder = MappingJSONDecoderClassBuilder(_Employee, [
JsonPropertyMapping("title", "title"),
JsonPropertyMapping("office", "office", decoder_cls=OfficeJSONDecoder)
], (NamedJSONDecoder, IdentifiableJSONDecoder)).build()
office = _Office()
office.name = "Cambridge"
employee = _Employee()
employee.name = "Bob"
employee.id = 42
employee.title = "Software Dev"
employee.office = office
employee_as_json = {
"name": employee.name,
"id": employee.id,
"title": employee.title,
"office": {
"name": office.name
}
}
employee_as_json_string = json.dumps([employee_as_json])
self.assertEqual(EmployeeJSONDecoder().decode(employee_as_json_string), [employee])
def test_build(self):
decoder_builder = MappingJSONDecoderClassBuilder()
decoder_builder.target_cls = SimpleModel
decoder_builder.mappings = get_simple_model_json_property_mappings()
decoder_cls = decoder_builder.build()
decoder = decoder_cls() # type: MappingJSONDecoder
decoded = decoder.decode(json.dumps(self.simple_model_as_json))
self.assertEqual(decoded, self.simple_model)
def test_build_with_superclass_string(self):
ContainerJSONDecoder = MappingJSONDecoderClassBuilder(_Container, [
JsonPropertyMapping("colour", "colour", object_constructor_parameter_name="colour"),
JsonPropertyMapping("contains", "contains", decoder_cls=lambda: ContainerJSONDecoder, optional=True)
]).build()
decoder = ContainerJSONDecoder()
container = _Container("red", _Container("blue"))
self.assertEqual(container, decoder.decode(json.dumps({"colour": "red", "contains": {"colour": "blue"}})))
def test_build_with_none_property(self):
NamedJSONDecoder = MappingJSONDecoderClassBuilder(_Named, [
JsonPropertyMapping("name", "name")
]).build()
OfficeJSONDecoder = MappingJSONDecoderClassBuilder(_Office, [], (NamedJSONDecoder,)).build()
EmployeeJSONDecoder = MappingJSONDecoderClassBuilder(_Employee, [
JsonPropertyMapping("office", "office", decoder_cls=OfficeJSONDecoder)
], (NamedJSONDecoder, )).build()
employee = _Employee()
employee.name = "Bob"
employee.office = None
employee_as_json = {
"name": employee.name,
"id": employee.id,
"title": employee.title,
"office": None
}
employee_as_json_string = json.dumps([employee_as_json])
self.assertEqual(EmployeeJSONDecoder().decode(employee_as_json_string), [employee])
def test_build_with_superclass(self):
SimpleModelJSONDecoder = MappingJSONDecoderClassBuilder(
target_cls=SimpleModel, mappings=get_simple_model_json_property_mappings()).build()
decoder_builder = MappingJSONDecoderClassBuilder()
decoder_builder.superclasses = (SimpleModelJSONDecoder, )
decoder_builder.target_cls = ComplexModel
decoder_builder.mappings = get_complex_model_json_property_mappings()
decoder_cls = decoder_builder.build()
decoder = decoder_cls() # type: MappingJSONDecoder
decoded = decoder.decode(json.dumps(self.complex_model_as_json))
self.assertEqual(decoded, self.complex_model)
def setUp(self):
self.values = set([create_simple_model_with_json_representation(i)[0] for i in range(10)])
self.values_as_json = [create_simple_model_with_json_representation(i)[1] for i in range(10)]
self.ValueJSONDecoder = MappingJSONDecoderClassBuilder(
SimpleModel, get_simple_model_json_property_mappings()).build()