def test_doesnt_allow_changing_schema_properties(self):
schema_dict = {
'foo': 'bar',
}
schema = Schema(schema_dict)
with pytest.raises(AttributeError):
schema.foo = 'baz'
def test_iter_validation_returns_no_errors_if_data_is_valid(self):
schema_dict = {}
data_dict = ''
schema = Schema(schema_dict)
errors = [error for error in schema.iter_errors(data_dict)]
assert len(errors) == 0
def test_init_loads_schema_from_dict(self):
schema_dict = {
'foo': 'bar'
}
schema = Schema(schema_dict)
assert schema.to_dict().keys() == schema_dict.keys()
assert schema.to_dict()['foo'] == schema_dict['foo']
def test_to_dict_modifying_the_dict_doesnt_modify_the_schema(self):
original_schema_dict = {
'foo': 'bar',
}
schema = Schema(original_schema_dict)
schema_dict = schema.to_dict()
schema_dict['bar'] = 'baz'
assert 'bar' not in schema.to_dict()
def test_init_changing_the_original_schema_dict_doesnt_change_schema(self):
schema_dict = {
'foo': 'bar'
}
schema = Schema(schema_dict)
schema_dict['bar'] = 'baz'
assert 'bar' not in schema.to_dict()
def test_schema_properties_doesnt_linger_in_class(self):
foo_schema_dict = {
'foo': {}
}
bar_schema_dict = {
'bar': {}
}
foo_schema = Schema(foo_schema_dict)
bar_schema = Schema(bar_schema_dict)
assert 'bar' not in dir(foo_schema)
assert 'foo' not in dir(bar_schema)
def test_validate_should_raise_when_invalid(self):
schema_dict = {
'properties': {
'name': {
'type': 'string',
}
},
'required': ['name'],
}
data = {}
schema = Schema(schema_dict)
with pytest.raises(datapackage.exceptions.ValidationError):
schema.validate(data)
def test_validate(self):
schema_dict = {
'properties': {
'name': {
'type': 'string',
}
},
'required': ['name'],
}
data = {
'name': 'Sample Package',
}
schema = Schema(schema_dict)
schema.validate(data)
def test_iter_validation_returns_iter_with_each_validationerror(self):
schema_dict = {
'type': 'array',
'items': {'enum': [1, 2, 3]},
'maxItems': 2,
}
data_dict = [2, 3, 4]
expected_errors_validators = ('maxItems', 'enum')
schema = Schema(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
assert isinstance(error, datapackage.exceptions.ValidationError)
def test_init_raises_if_url_isnt_a_json(self):
url = 'https://someplace.com/data-package.csv'
body = 'not a json'
httpretty.register_uri(httpretty.GET, url, body=body)
with pytest.raises(datapackage.exceptions.SchemaError):
Schema(url).to_dict()
def test_it_creates_properties_for_every_toplevel_attribute(self):
schema_dict = {
'foo': 'bar',
'baz': [],
}
schema = Schema(schema_dict)
assert schema.foo == 'bar'
assert schema.baz == []
def test_changing_properties_doesnt_change_the_originals(self):
schema_dict = {
'foo': {
'bar': [],
}
}
schema = Schema(schema_dict)
schema.foo['bar'].append('baz')
assert schema.foo == {'bar': []}
def test_init_loads_schema_from_url(self):
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 Schema(url).to_dict() == schema
def test_init_raises_if_path_doesnt_exist(self):
with pytest.raises(datapackage.exceptions.SchemaError):
Schema('inexistent_schema.json')
def test_raises_if_trying_to_access_inexistent_attribute(self):
schema_dict = {}
schema = Schema(schema_dict)
with pytest.raises(AttributeError):
schema.this_doesnt_exist
def test_to_dict_converts_schema_to_dict(self):
original_schema_dict = {
'foo': 'bar',
}
schema = Schema(original_schema_dict)
assert schema.to_dict() == original_schema_dict
def test_init_raises_if_schema_is_invalid(self):
invalid_schema = {
'required': 51,
}
with pytest.raises(datapackage.exceptions.SchemaError):
Schema(invalid_schema)
def test_init_raises_if_schema_isnt_string_nor_dict(self):
invalid_schema = []
with pytest.raises(datapackage.exceptions.SchemaError):
Schema(invalid_schema)
def test_init_raises_if_url_doesnt_exist(self):
url = 'https://inexistent-url.com/data-package.json'
httpretty.register_uri(httpretty.GET, url, status=404)
with pytest.raises(datapackage.exceptions.SchemaError):
Schema(url).to_dict()
def test_init_raises_if_path_isnt_a_json(self):
not_a_json_path = test_helpers.fixture_path('not_a_json')
with pytest.raises(datapackage.exceptions.SchemaError):
Schema(not_a_json_path)
def test_allow_changing_properties_not_in_schema(self):
schema_dict = {}
schema = Schema(schema_dict)
schema.foo = 'bar'
assert schema.foo == 'bar'
def test_init_loads_schema_from_path(self):
schema_path = test_helpers.fixture_path('empty_schema.json')
assert Schema(schema_path).to_dict() == {}
def test_properties_are_visible_with_dir(self):
schema_dict = {
'foo': {}
}
schema = Schema(schema_dict)
assert 'foo' in dir(schema)