def test_init_loads_schema_from_dict():
schema_dict = {
'foo': 'bar'
}
schema = Profile(schema_dict)
assert schema.to_dict().keys() == schema_dict.keys()
assert schema.to_dict()['foo'] == schema_dict['foo']
def test_init_changing_the_original_schema_dict_doesnt_change_schema():
schema_dict = {
'foo': 'bar'
}
schema = Profile(schema_dict)
schema_dict['bar'] = 'baz'
assert 'bar' not in schema.to_dict()
def test_init_loads_schema_from_dict():
schema_dict = {
'foo': 'bar'
}
schema = Profile(schema_dict)
assert schema.to_dict().keys() == schema_dict.keys()
assert schema.to_dict()['foo'] == schema_dict['foo']
def test_doesnt_allow_changing_schema_properties():
schema_dict = {
'foo': 'bar',
}
schema = Profile(schema_dict)
with pytest.raises(AttributeError):
schema.foo = 'baz'
def test_schema_properties_doesnt_linger_in_class():
foo_schema_dict = {'foo': {}}
bar_schema_dict = {'bar': {}}
foo_schema = Profile(foo_schema_dict)
bar_schema = Profile(bar_schema_dict)
assert 'bar' not in dir(foo_schema)
assert 'foo' not in dir(bar_schema)
def test_doesnt_allow_changing_schema_properties():
schema_dict = {
'foo': 'bar',
}
schema = Profile(schema_dict)
with pytest.raises(AttributeError):
schema.foo = 'baz'
def test_init_changing_the_original_schema_dict_doesnt_change_schema():
schema_dict = {
'foo': 'bar'
}
schema = Profile(schema_dict)
schema_dict['bar'] = 'baz'
assert 'bar' not in schema.to_dict()
def test_to_dict_modifying_the_dict_doesnt_modify_the_schema():
original_schema_dict = {
'foo': 'bar',
}
schema = Profile(original_schema_dict)
schema_dict = schema.to_dict()
schema_dict['bar'] = 'baz'
assert 'bar' not in schema.to_dict()
def test_to_dict_modifying_the_dict_doesnt_modify_the_schema():
original_schema_dict = {
'foo': 'bar',
}
schema = Profile(original_schema_dict)
schema_dict = schema.to_dict()
schema_dict['bar'] = 'baz'
assert 'bar' not in schema.to_dict()
def test_iter_validation_returns_iter_with_each_validationerror():
schema_dict = {
'type': 'array',
'items': {'enum': [1, 2, 3]},
'maxItems': 2,
}
data_dict = [2, 3, 4]
expected_errors_validators = ('maxItems', 'enum')
schema = Profile(schema_dict)
errors = [error for error in schema.iter_errors(data_dict)]
assert len(errors) == 2
for error in errors:
assert error.validator in expected_errors_validators
def test_validate_should_raise_when_invalid():
schema_dict = {
'properties': {
'name': {
'type': 'string',
}
},
'required': ['name'],
}
data = {}
schema = Profile(schema_dict)
with pytest.raises(exceptions.ValidationError):
schema.validate(data)
def test_validate_should_raise_when_invalid():
schema_dict = {
'properties': {
'name': {
'type': 'string',
}
},
'required': ['name'],
}
data = {}
schema = Profile(schema_dict)
with pytest.raises(exceptions.ValidationError):
schema.validate(data)
def test_iter_validation_returns_iter_with_each_validationerror():
schema_dict = {
'type': 'array',
'items': {'enum': [1, 2, 3]},
'maxItems': 2,
}
data_dict = [2, 3, 4]
expected_errors_validators = ('maxItems', 'enum')
schema = Profile(schema_dict)
errors = [error for error in schema.iter_errors(data_dict)]
assert len(errors) == 2
for error in errors:
assert error.validator in expected_errors_validators
def test_validate():
schema_dict = {
'properties': {
'name': {
'type': 'string',
}
},
'required': ['name'],
}
data = {
'name': 'Sample Package',
}
schema = Profile(schema_dict)
schema.validate(data)
def test_validate():
schema_dict = {
'properties': {
'name': {
'type': 'string',
}
},
'required': ['name'],
}
data = {
'name': 'Sample Package',
}
schema = Profile(schema_dict)
schema.validate(data)
def test_it_creates_properties_for_every_toplevel_attribute():
schema_dict = {
'foo': 'bar',
'baz': [],
}
schema = Profile(schema_dict)
assert schema.foo == 'bar'
assert schema.baz == []
def test_init_loads_schema_from_url():
schema = {
'foo': 'bar',
}
url = 'http://someplace.com/schema.json'
body = json.dumps(schema)
httpretty.register_uri(httpretty.GET, url, body=body, content_type='application/json')
assert Profile(url).to_dict() == schema
def test_changing_properties_doesnt_change_the_originals():
schema_dict = {
'foo': {
'bar': [],
}
}
schema = Profile(schema_dict)
schema.foo['bar'].append('baz')
assert schema.foo == {'bar': []}
def validate(self, raise_on_error=True, schema_only=True):
"""Validate a datapackage schema.
By default, only the data-package schema is validated. To validate the
data files too, set the `data` flag to `True`. The method fails if an
error is found, unless the `raise_error` flag is explicitely set to
`False`.
:param raise_on_error: raise error on failure or not (default: True)
:param schema_only: only validate the schema (default: True)
:raise: :class:`ValidationError` if the schema is invalid
:return A list of error messages or an empty list.
"""
messages = []
profile = Profile('fiscal-data-package')
if raise_on_error:
profile.validate(self.descriptor)
else:
try:
profile.validate(self.descriptor)
message = '%s (%s) is a valid fiscal data-package schema'
log.info(message, self.path, self)
except ValidationError as e:
for error in e.errors:
message = 'SCHEMA ERROR in %s: %s'
args = self.path, error
messages.append(message % args)
log.warn(message, *args)
if messages:
messages.append('Aborting data validation due to invalid schema')
return messages
if not schema_only:
return self._validate_data(raise_on_error)
else:
return messages
def test_init_raises_if_schema_is_invalid():
invalid_schema = {
'required': 51,
}
with pytest.raises(exceptions.ValidationError):
Profile(invalid_schema)
def test_init_raises_if_schema_isnt_string_nor_dict():
invalid_schema = []
with pytest.raises(exceptions.ValidationError):
Profile(invalid_schema)
def test_init_raises_if_url_doesnt_exist():
url = 'https://inexistent-url.com/data-package.json'
httpretty.register_uri(httpretty.GET, url, status=404)
with pytest.raises(exceptions.ValidationError):
Profile(url).to_dict()
def test_init_raises_if_url_isnt_a_json():
url = 'https://someplace.com/data-package.csv'
body = 'not a json'
httpretty.register_uri(httpretty.GET, url, body=body)
with pytest.raises(exceptions.ValidationError):
Profile(url).to_dict()
def test_init_raises_if_path_isnt_a_json():
with pytest.raises(exceptions.ValidationError):
Profile('data/not_a_json')
def test_init_raises_if_path_doesnt_exist():
with pytest.raises(exceptions.ValidationError):
Profile('inexistent_schema.json')
def test_iter_validation_returns_no_errors_if_data_is_valid():
schema_dict = {}
data_dict = ''
schema = Profile(schema_dict)
errors = [error for error in schema.iter_errors(data_dict)]
assert len(errors) == 0
def test_allow_changing_properties_not_in_schema():
schema_dict = {}
schema = Profile(schema_dict)
schema.foo = 'bar'
assert schema.foo == 'bar'
def test_properties_are_visible_with_dir():
schema_dict = {'foo': {}}
schema = Profile(schema_dict)
assert 'foo' in dir(schema)
def test_raises_if_trying_to_access_inexistent_attribute():
schema_dict = {}
schema = Profile(schema_dict)
with pytest.raises(AttributeError):
schema.this_doesnt_exist
def test_allow_changing_properties_not_in_schema():
schema_dict = {}
schema = Profile(schema_dict)
schema.foo = 'bar'
assert schema.foo == 'bar'
def test_to_dict_converts_schema_to_dict():
original_schema_dict = {
'foo': 'bar',
}
schema = Profile(original_schema_dict)
assert schema.to_dict() == original_schema_dict
def test_init_loads_schema_from_path():
assert Profile('data/empty_schema.json').to_dict() == {}
def test_iter_validation_returns_no_errors_if_data_is_valid():
schema_dict = {}
data_dict = ''
schema = Profile(schema_dict)
errors = [error for error in schema.iter_errors(data_dict)]
assert len(errors) == 0
def test_to_dict_converts_schema_to_dict():
original_schema_dict = {
'foo': 'bar',
}
schema = Profile(original_schema_dict)
assert schema.to_dict() == original_schema_dict
