def test_adding_multiple_errors(self):
builder = ValidationErrorBuilder()
builder.add_error('foo', 'error 1')
builder.add_error('bar', 'error 2')
builder.add_error('bam', 'error 3')
assert {'foo': 'error 1', 'bar': 'error 2', 'bam': 'error 3'} == \
builder.errors
def test_raise_errors_on_non_empty_builder_raises_ValidationError(self):
builder = ValidationErrorBuilder()
builder.add_error('foo', 'error 1')
with pytest.raises(ValidationError) as excinfo:
builder.raise_errors()
assert excinfo.value.messages == builder.errors
def __call__(self, value, context=None):
if not is_sequence(value):
self._fail('invalid', data=value)
error_builder = ValidationErrorBuilder()
for idx, item in enumerate(value):
for validator in self.validators:
try:
validator(item)
except ValidationError as ve:
error_builder.add_errors({idx: ve.messages})
error_builder.raise_errors()
def load(self, data, *args, **kwargs):
if data is MISSING or data is None:
self._fail('required')
if not is_dict(data):
self._fail('invalid')
errors_builder = ValidationErrorBuilder()
result = {}
for name, field in iteritems(self.fields):
try:
loaded = field.load(name, data, *args, **kwargs)
if loaded != MISSING:
result[name] = loaded
except ValidationError as ve:
errors_builder.add_error(name, ve.messages)
if self.allow_extra_fields is False:
field_names = [name for name, _ in iteritems(self.fields)]
for name in data:
if name not in field_names:
errors_builder.add_error(name, self._error_messages['unknown'])
errors_builder.raise_errors()
result = super(Object, self).load(result, *args, **kwargs)
if self.constructor:
result = self.constructor(**result)
return result
def test_adding_multiple_nested_errors(self):
builder = ValidationErrorBuilder()
builder.add_error('foo.bar', 'error 1')
builder.add_error('foo.baz.bam', 'error 2')
builder.add_error('quux', 'error 3')
assert {'foo': {'bar': 'error 1', 'baz': {'bam': 'error 2'}},
'quux': 'error 3'} == builder.errors
def test_raise_errors_on_non_empty_builder_raises_ValidationError(self):
builder = ValidationErrorBuilder()
builder.add_error('foo', 'error 1')
with pytest.raises(ValidationError) as excinfo:
builder.raise_errors()
assert excinfo.value.messages == builder.errors
def test_adding_multiple_nested_errors(self):
builder = ValidationErrorBuilder()
builder.add_error('foo.bar', 'error 1')
builder.add_error('foo.baz.bam', 'error 2')
builder.add_error('quux', 'error 3')
assert {
'foo': {
'bar': 'error 1',
'baz': {
'bam': 'error 2'
}
},
'quux': 'error 3'
} == builder.errors
def test_adding_multiple_errors(self):
builder = ValidationErrorBuilder()
builder.add_error('foo', 'error 1')
builder.add_error('bar', 'error 2')
builder.add_error('bam', 'error 3')
assert {'foo': 'error 1', 'bar': 'error 2', 'bam': 'error 3'} == \
builder.errors
def __call__(self, value, context=None):
if not is_sequence(value):
self._fail('invalid', data=value)
error_builder = ValidationErrorBuilder()
for idx, item in enumerate(value):
for validator in self.validators:
try:
validator(item)
except ValidationError as ve:
error_builder.add_errors({idx: ve.messages})
error_builder.raise_errors()
def dump(self, obj, *args, **kwargs):
if obj is MISSING or obj is None:
self._fail('required')
errors_builder = ValidationErrorBuilder()
result = OrderedDict() if self.ordered else {}
for name, field in iteritems(self.fields):
try:
dumped = field.dump(name, obj, *args, **kwargs)
if dumped != MISSING:
result[name] = dumped
except ValidationError as ve:
errors_builder.add_error(name, ve.messages)
errors_builder.raise_errors()
return super(Object, self).dump(result, *args, **kwargs)
def load(self, data, context=None):
"""Deserialize data from primitive types. Raises
:exc:`~lollipop.errors.ValidationError` if data is invalid.
:param data: Data to deserialize.
:param context: Context data.
:returns: Loaded data
:raises: :exc:`~lollipop.errors.ValidationError`
"""
errors_builder = ValidationErrorBuilder()
for validator in self._validators:
try:
validator(data, context)
except ValidationError as ve:
errors_builder.add_errors(ve.messages)
errors_builder.raise_errors()
return data
def dump(self, value, *args, **kwargs):
if value is MISSING or value is None:
self._fail('required')
if not is_list(value):
self._fail('invalid')
errors_builder = ValidationErrorBuilder()
items = []
for idx, item in enumerate(value):
try:
items.append(self.item_type.dump(item, *args, **kwargs))
except ValidationError as ve:
errors_builder.add_errors({idx: ve.messages})
errors_builder.raise_errors()
return super(List, self).dump(items, *args, **kwargs)
def load(self, data, *args, **kwargs):
if data is MISSING or data is None:
self._fail('required')
# TODO: Make more intelligent check for collections
if not is_list(data):
self._fail('invalid')
errors_builder = ValidationErrorBuilder()
items = []
for idx, item in enumerate(data):
try:
items.append(self.item_type.load(item, *args, **kwargs))
except ValidationError as ve:
errors_builder.add_errors({idx: ve.messages})
errors_builder.raise_errors()
return super(List, self).load(items, *args, **kwargs)
def dump(self, value, *args, **kwargs):
if value is MISSING or value is None:
self._fail('required')
if not is_dict(value):
self._fail('invalid')
errors_builder = ValidationErrorBuilder()
result = {}
for k, v in iteritems(value):
value_type = self.value_types.get(k)
if value_type is None:
continue
try:
result[k] = value_type.dump(v, *args, **kwargs)
except ValidationError as ve:
errors_builder.add_error(k, ve.messages)
errors_builder.raise_errors()
return super(Dict, self).dump(result, *args, **kwargs)
def dump(self, value, *args, **kwargs):
if value is MISSING or value is None:
self._fail('required')
if not is_list(value):
self._fail('invalid')
if len(value) != len(self.item_types):
self._fail('invalid_length', expected_length=len(self.item_types))
errors_builder = ValidationErrorBuilder()
result = []
for idx, (item_type, item) in enumerate(zip(self.item_types, value)):
try:
result.append(item_type.dump(item, *args, **kwargs))
except ValidationError as ve:
errors_builder.add_errors({idx: ve.messages})
errors_builder.raise_errors()
return super(Tuple, self).dump(result, *args, **kwargs)
def test_empty_errors(self):
builder = ValidationErrorBuilder()
assert None == builder.errors
def test_raise_errors_on_empty_builder_does_nothing(self):
builder = ValidationErrorBuilder()
builder.raise_errors()
def test_adding_merging_errors(self):
builder = ValidationErrorBuilder()
builder.add_errors({'foo': {'bar': 'error 1'}})
builder.add_errors({'foo': {'baz': 'error 2'}})
assert {'foo': {'bar': 'error 1', 'baz': 'error 2'}} == builder.errors
def test_adding_nested_errors(self):
builder = ValidationErrorBuilder()
builder.add_error('foo.bar', 'error 1')
assert {'foo': {'bar': 'error 1'}} == builder.errors
def test_adding_nested_errors(self):
builder = ValidationErrorBuilder()
builder.add_error('foo.bar', 'error 1')
assert {'foo': {'bar': 'error 1'}} == builder.errors
def test_adding_merging_errors(self):
builder = ValidationErrorBuilder()
builder.add_errors({'foo': {'bar': 'error 1'}})
builder.add_errors({'foo': {'baz': 'error 2'}})
assert {'foo': {'bar': 'error 1', 'baz': 'error 2'}} == builder.errors
def test_adding_field_error(self):
builder = ValidationErrorBuilder()
builder.add_error('foo', 'error 1')
assert {'foo': 'error 1'} == builder.errors
def test_raise_errors_on_empty_builder_does_nothing(self):
builder = ValidationErrorBuilder()
builder.raise_errors()
def load_into(self, obj, data, inplace=True, *args, **kwargs):
"""Load data and update existing object.
:param obj: Object to update with deserialized data.
:param data: Raw data to get value to deserialize from.
:param bool inplace: If True update data inplace;
otherwise - create new data.
:param kwargs: Same keyword arguments as for :meth:`Type.load`.
:returns: Updated object.
:raises: :exc:`~lollipop.errors.ValidationError`
"""
if obj is None:
raise ValueError('Load target should not be None')
if data is MISSING:
return
if data is None:
self._fail('required')
if not is_dict(data):
self._fail('invalid')
errors_builder = ValidationErrorBuilder()
data1 = {}
for name, field in iteritems(self.fields):
try:
if name in data:
# Load new data
value = field.load_into(obj, name, data,
inplace=not self.immutable and inplace)
else:
# Retrive data from existing object
value = field.get_value(name, obj, *args, **kwargs)
if value is not MISSING:
data1[name] = value
except ValidationError as ve:
errors_builder.add_error(name, ve.messages)
if self.allow_extra_fields is False:
field_names = [name for name, _ in iteritems(self.fields)]
for name in data:
if name not in field_names:
errors_builder.add_error(name, self._error_messages['unknown'])
errors_builder.raise_errors()
data2 = super(Object, self).load(data1, *args, **kwargs)
if self.immutable or not inplace:
result = data2
if self.constructor:
result = self.constructor(**result)
else:
for name, field in iteritems(self.fields):
if name not in data:
continue
try:
field.set_value(name, obj, data2.get(name, MISSING))
except ValidationError as ve:
raise ValidationError({name: ve.messages})
result = obj
return result
def test_adding_field_error(self):
builder = ValidationErrorBuilder()
builder.add_error('foo', 'error 1')
assert {'foo': 'error 1'} == builder.errors