def test_map_with_multiple_nested_mappings_when_no_matching_mapper_for_target_type_should_raise_exception(
self):
# given
root_mapper = OneWayMapper.for_target_prototype(
TestClassSomeProperty2(
some_property=TestClassMappedPropertyEmptyInit()))
root_mapper.nested_mapper(
OneWayMapper.for_target_prototype(TestClassSomeProperty2(None)),
TestClassSomePropertyEmptyInit1)
root_mapper.nested_mapper(
OneWayMapper.for_target_prototype(
TestClassSomePropertyEmptyInit2()),
TestClassSomePropertyEmptyInit1)
with self.assertRaises(ConfigurationException) as context:
root_mapper.map(
TestClassSomeProperty1(
some_property=TestClassSomePropertyEmptyInit1(
some_property_02="nested_value_02")))
# then
assert_that(context.exception.message).contains("some_property")
assert_that(context.exception.message).contains(
"TestClassSomePropertyEmptyInit1")
assert_that(context.exception.message).contains(
"TestClassMappedPropertyEmptyInit")
def test_map_with_nested_explicit_mapper(self):
# given
root_mapper = OneWayMapper.for_target_prototype(TestClassSomeProperty2(None))
root_mapper.nested_mapper(
OneWayMapper.for_target_class(TestClassSomePropertyEmptyInit2), TestClassSomePropertyEmptyInit1)
# when
mapped_object = root_mapper.map(TestClassSomeProperty1(
some_property="some_value",
some_property_02=TestClassSomePropertyEmptyInit1(
some_property="nested_value",
some_property_02="nested_value_02",
some_property_03="nested_value_03",
unmapped_property1="unmapped_nested_value"),
some_property_03="some_value_03",
unmapped_property1="unmapped_value"))
# then
assert_that(mapped_object).is_instance_of(TestClassSomeProperty2)
assert_that(mapped_object.some_property).is_equal_to("some_value")
assert_that(mapped_object.some_property_03).is_equal_to("some_value_03")
assert_that(mapped_object.unmapped_property2).is_none()
nested_mapped_obj = mapped_object.some_property_02
assert_that(nested_mapped_obj).is_instance_of(TestClassSomePropertyEmptyInit2)
assert_that(nested_mapped_obj.some_property).is_equal_to("nested_value")
assert_that(nested_mapped_obj.some_property_02).is_equal_to("nested_value_02")
assert_that(nested_mapped_obj.some_property_03).is_equal_to("nested_value_03")
assert_that(nested_mapped_obj.unmapped_property2).is_none()
def test_map_with_multiple_nested_mappings_for_one_attribute_when_target_type_known(
self):
# given
root_mapper = OneWayMapper.for_target_prototype(
TestClassSomeProperty2(
some_property=TestClassSomePropertyEmptyInit2()))
root_mapper.nested_mapper(
OneWayMapper.for_target_prototype(TestClassSomeProperty2(None)),
TestClassSomePropertyEmptyInit1)
root_mapper.nested_mapper(
OneWayMapper.for_target_prototype(
TestClassSomePropertyEmptyInit2()),
TestClassSomePropertyEmptyInit1)
# when
mapped_object = root_mapper.map(
TestClassSomeProperty1(
some_property=TestClassSomePropertyEmptyInit1(
some_property_02="nested_value_02")))
# then
assert_that(mapped_object).is_instance_of(TestClassSomeProperty2)
nested_mapped_obj = mapped_object.some_property
assert_that(nested_mapped_obj).is_not_none()
assert_that(nested_mapped_obj).is_instance_of(
TestClassSomePropertyEmptyInit2)
assert_that(
nested_mapped_obj.some_property_02).is_equal_to("nested_value_02")
def test_map_with_custom_target_initializers_when_initializer_not_function_should_raise_exception(
self):
with self.assertRaises(ValueError) as context:
OneWayMapper.for_target_prototype(
TestClassSomePropertyEmptyInit1()).target_initializers(
{"some_property_02": 7})
assert_that(context.exception.message).contains("some_property_02")
def test_map_with_option_fail_on_get_attr(self):
# given
mapper = OneWayMapper.for_target_class(
TestClassSomeProperty1).custom_mappings({
"non_existing_property":
"some_property"
}).options(MapperOptions.fail_on_get_attr == False)
# when
mapped_object = mapper.map(TestEmptyClass1())
# then
assert_that(mapped_object).is_instance_of(TestClassSomeProperty1)
assert_that(mapped_object.some_property).is_none()
# given
mapper_strict = OneWayMapper.for_target_class(
TestClassSomeProperty1).custom_mappings({
"non_existing_property":
"some_property"
}).options(MapperOptions.fail_on_get_attr == True)
# when
with self.assertRaises(AttributeError) as context:
mapper_strict.map(TestEmptyClass1())
# then
assert_that(
context.exception.message).contains("non_existing_property")
def test_for_target_class_when_object_passed_should_raise_exception(self):
# when
with self.assertRaises(ValueError) as context:
OneWayMapper.for_target_class(object())
# then
assert_that(context.exception.message).contains("object")
def test_target_value_converters_when_converter_not_function_should_raise_exception(
self):
with self.assertRaises(ValueError) as context:
OneWayMapper.for_target_class(
TestClassSomePropertyEmptyInit1).target_value_converters(
{"some_property_02": 7})
assert_that(context.exception.message).contains("some_property_02")
def test_map_use_cached_source_attributes(self):
# given
get_attributes_func_mock = Mock(return_value=[
"some_property", "some_property_02", "some_property_03"
])
attributes_cache = AttributesCache(
get_attributes_func=get_attributes_func_mock)
mapper = OneWayMapper(
TestClassSomePropertyEmptyInit2,
attributes_cache_provider=lambda: attributes_cache)
# when
mapped_object = mapper.map(
TestClassSomePropertyEmptyInit1("some_val",
some_property_03="some_val_03"))
# then
assert_that(mapped_object.some_property).is_equal_to("some_val")
assert_that(mapped_object.some_property_03).is_equal_to("some_val_03")
# when
mapped_object = mapper.map(
TestClassSomePropertyEmptyInit1("some_val", "some_val_02",
"some_val_03"))
# then
assert_that(mapped_object.some_property).is_equal_to("some_val")
assert_that(mapped_object.some_property_02).is_equal_to("some_val_02")
assert_that(mapped_object.some_property_03).is_equal_to("some_val_03")
get_attributes_func_mock.assert_called_once()
def test_for_target_prototype_when_class_passed_should_raise_exception(
self):
# when
with self.assertRaises(ValueError) as context:
OneWayMapper.for_target_prototype(object)
# then
assert_that(context.exception.args[0]).contains("object")
def test_map_attr_value_for_none_attr_name_should_raise_exception(self):
# when
with self.assertRaises(ValueError) as context:
OneWayMapper.for_target_class(TestClassSomePropertyEmptyInit1).map_attr_value(None, "some_value")
# then
assert_that(context.exception.message).contains("None")
def test_map_attr_value_when_unknown_attr_name_should_raise_exception(
self):
# when
with self.assertRaises(ValueError) as context:
OneWayMapper.for_target_class(
TestClassSomePropertyEmptyInit1).map_attr_value(
"unknown_attr", "some_value")
# then
assert_that(context.exception.args[0]).contains("unknown_attr")
def test_map_when_ambiguous_nested_mapping_should_raise_exception(self):
# given
root_mapper = OneWayMapper.for_target_prototype(TestClassSomeProperty2(None))
root_mapper.nested_mapper(
OneWayMapper.for_target_prototype(TestClassSomePropertyEmptyInit2()), TestClassSomePropertyEmptyInit1)
root_mapper.nested_mapper(
OneWayMapper.for_target_prototype(TestClassSomeProperty2(None)), TestClassSomePropertyEmptyInit1)
# when
with self.assertRaises(ConfigurationException) as context:
root_mapper.map(TestClassSomeProperty1(some_property=TestClassSomePropertyEmptyInit1()))
# then
assert_that(context.exception.message).contains("some_property")
assert_that(context.exception.message).contains("TestClassSomePropertyEmptyInit1")
def test_map_with_reversed_nested_mapper_should_not_use_nested_mapper(self):
# given
root_mapper = OneWayMapper.for_target_prototype(TestClassSomeProperty2(TestClassSomePropertyEmptyInit2()))
root_mapper.nested_mapper(
OneWayMapper.for_target_prototype(TestClassSomePropertyEmptyInit1()), TestClassSomePropertyEmptyInit2)
# when
mapped_object = root_mapper.map(TestClassSomeProperty1(
some_property=TestClassSomePropertyEmptyInit1(some_property="nested_value")))
# then
assert_that(mapped_object).is_instance_of(TestClassSomeProperty2)
assert_that(mapped_object.some_property).is_instance_of(TestClassSomePropertyEmptyInit1)
assert_that(mapped_object.some_property.some_property).is_equal_to("nested_value")
def test_map_attr_value_with_custom_mapping(self):
# given
mapper = OneWayMapper.for_target_class(TestClassMappedPropertyEmptyInit).\
custom_mappings({"some_property_02": "mapped_property_02"})
# then
assert_that(mapper.map_attr_value("some_property_02", "some_value")).is_equal_to("some_value")
def test_map_attr_name_for_explicit_mapping(self):
# given
mapper = OneWayMapper.for_target_class(TestClassMappedProperty).custom_mappings(
{"some_property": "mapped_property"})
# then
assert_that(mapper.map_attr_name("some_property")).is_equal_to("mapped_property")
def test_map_override_implicit_mapping(self):
# given
mapper = OneWayMapper.for_target_class(
TestClassSomePropertyEmptyInit2).custom_mappings({
"some_property_02":
"some_property_03",
"some_property_03":
"some_property_02"
})
# when
mapped_object = mapper.map(
TestClassSomePropertyEmptyInit1(
some_property="some_value",
some_property_02="some_value_02",
some_property_03="some_value_03",
unmapped_property1="unmapped_value"))
# then
assert_that(mapped_object).is_instance_of(
TestClassSomePropertyEmptyInit2)
assert_that(mapped_object.some_property).is_equal_to("some_value")
assert_that(
mapped_object.some_property_02).is_equal_to("some_value_03")
assert_that(
mapped_object.some_property_03).is_equal_to("some_value_02")
assert_that(mapped_object.unmapped_property2).is_none()
def test_map_attr_value_with_datetime_to_string_conversion(self):
# given
mapper = OneWayMapper.for_target_prototype(TestClassSomePropertyEmptyInit1(some_property_02=""))
# then
assert_that(mapper.map_attr_value("some_property_02", datetime(2015, 11, 2, 18, 14, 42, 123))).is_equal_to(
"2015-11-02T18:14:42.000123")
def test_map_attr_value_with_default_mapping(self):
# given
mapper = OneWayMapper.for_target_class(TestClassSomePropertyEmptyInit1)
# then
assert_that(mapper.map_attr_value(
"some_property_02", "some_value")).is_equal_to("some_value")
def test_nested_mapper_when_the_same_mapper_added_should_raise_exception(self):
# given
root_mapper = OneWayMapper.for_target_class(TestClassSomeProperty2)
root_mapper.nested_mapper(
OneWayMapper.for_target_class(TestClassSomePropertyEmptyInit2),
TestClassSomePropertyEmptyInit1)
# when
with self.assertRaises(ConfigurationException) as context:
root_mapper.nested_mapper(
OneWayMapper.for_target_class(TestClassSomePropertyEmptyInit2),
TestClassSomePropertyEmptyInit1)
# then
assert_that(context.exception.message).contains(TestClassSomePropertyEmptyInit1.__name__)
assert_that(context.exception.message).contains(TestClassSomePropertyEmptyInit2.__name__)
def test_map_multiple_explicit_properties(self):
# given
mapper = OneWayMapper.for_target_class(
TestClassMappedProperty).custom_mappings({
"some_property":
"mapped_property",
"some_property_02":
"mapped_property_02",
"some_property_03":
"mapped_property_03"
})
# when
mapped_object = mapper.map(
TestClassSomeProperty1(some_property="some_value",
some_property_02="some_value_02",
some_property_03="some_value_03",
unmapped_property1="unmapped_value"))
# then
assert_that(mapped_object).is_instance_of(TestClassMappedProperty)
assert_that(mapped_object.mapped_property).is_equal_to("some_value")
assert_that(
mapped_object.mapped_property_02).is_equal_to("some_value_02")
assert_that(
mapped_object.mapped_property_03).is_equal_to("some_value_03")
assert_that(mapped_object.unmapped_property2).is_none()
def test_map_attr_value_with_enum_to_int_conversion(self):
# given
mapper = OneWayMapper.for_target_prototype(
TestClassSomePropertyEmptyInit1(some_property_02=7))
# then
assert_that(mapper.map_attr_value("some_property_02", SomeEnum.some_enum_01)).is_equal_to(1)
def test_map_explicit_when_ambiguous_nested_mapping_should_raise_exception(self):
# given
root_mapper = OneWayMapper.for_target_class(TestClassMappedProperty).\
custom_mappings({"some_property": "mapped_property"})
root_mapper.nested_mapper(
OneWayMapper.for_target_class(TestClassSomePropertyEmptyInit2), TestClassSomePropertyEmptyInit1)
root_mapper.nested_mapper(
OneWayMapper.for_target_class(TestClassSomeProperty2), TestClassSomePropertyEmptyInit1)
with self.assertRaises(ConfigurationException) as context:
# when
root_mapper.map(TestClassSomeProperty1(some_property=TestClassSomePropertyEmptyInit1()))
# then
assert_that(context.exception.message).contains("some_property")
assert_that(context.exception.message).contains("mapped_property")
assert_that(context.exception.message).contains("TestClassSomePropertyEmptyInit1")
def test_map_from_none_attribute(self):
# given
mapper = OneWayMapper.for_target_prototype(TestClassSomePropertyEmptyInit2(some_property_02="3"))
# when
mapped_object = mapper.map(TestClassSomePropertyEmptyInit1(some_property_02=None))
# then
assert_that(mapped_object).is_instance_of(TestClassSomePropertyEmptyInit2)
assert_that(mapped_object.some_property_02).is_none()
def test_map_attr_name_for_empty_classes_should_raise_exception(self):
# given
mapper = OneWayMapper.for_target_class(TestEmptyClass1)
# when
with self.assertRaises(ValueError) as context:
mapper.map_attr_name("unmapped_property")
# then
assert_that(context.exception.message).contains("unmapped_property")
def test_map_from_string_to_datetime_wrong_format_should_raise_exception(self):
# given
mapper = OneWayMapper.for_target_prototype(TestClassSomePropertyEmptyInit2(some_property_02=datetime.now()))
# when
with self.assertRaises(ValueError) as context:
mapper.map(TestClassSomePropertyEmptyInit1(some_property_02="wrong_date_format"))
# then
assert_that(context.exception.args[0]).contains("wrong_date_format")
def test_map_one_explicit_property(self):
# given
mapper = OneWayMapper.for_target_class(TestClassMappedProperty).custom_mappings(
{"some_property": "mapped_property"})
# when
mapped_object = mapper.map(TestClassSomeProperty1(some_property="some_value"))
# then
assert_that(mapped_object).is_instance_of(TestClassMappedProperty)
assert_that(mapped_object.mapped_property).is_equal_to("some_value")
def test_map_attr_name_for_opposite_way_should_raise_exception(self):
# given
mapper = OneWayMapper.for_target_class(TestClassMappedProperty).custom_mappings(
{"some_property": "mapped_property"})
# when
with self.assertRaises(ValueError) as context:
mapper.map_attr_name("mapped_property")
# then
assert_that(context.exception.message).contains("mapped_property")
def test_nested_mapper_when_wrong_param_type_should_raise_exception(self):
# given
root_mapper = OneWayMapper.for_target_class(TestClassSomeProperty2)
# when
with self.assertRaises(ValueError) as context:
root_mapper.nested_mapper(object(), TestClassSomeProperty1)
# then
assert_that(context.exception.message).contains(OneWayMapper.__name__)
assert_that(context.exception.message).contains("object")
def test_map_unknown_property_should_raise_exception(self):
# given
mapper = OneWayMapper.for_target_class(TestClassMappedProperty).custom_mappings(
{"some_property": "unknown"})
# when
with self.assertRaises(AttributeError) as context:
mapper.map(TestClassSomeProperty1(some_property="some_value"))
# then
assert_that(context.exception.message).contains("unknown")
def test_map_for_single_converter(self):
# given
mapper = OneWayMapper.for_target_class(
TestClassSomePropertyEmptyInit1).target_value_converters(
{"some_property_02": lambda val: 7})
# when
mapped_object = mapper.map({"some_property_02": "val"})
# then
assert_that(mapped_object.some_property_02).is_equal_to(7)
