def test_validate_fail_min_length(self):
node = schema.String(min_length=3)
with pytest.raises(ValidationError) as err:
node.validate('ab')
assert err.value.message == 'Minimum string length undercut.'
assert err.value.expected == 3
assert err.value.got == 2
def test_validate_fail_max_length(self):
node = schema.String(max_length=3)
with pytest.raises(ValidationError) as err:
node.validate('abcd')
assert err.value.message == 'Maximum string length exceeded.'
assert err.value.expected == 3
assert err.value.got == 4
def test_load_validation_fail(backend):
schema_node = schema.String(max_length=3)
storage = frontend.create(backend.storage_path, schema_node)
storage.data.value = 'spam'
storage.save(force=True)
with pytest.raises(exceptions.ValidationError):
frontend.load(backend.storage_path)
# With force=True, no exception must be raised.
frontend.load(backend.storage_path, force=True)
def test_to_dict(self):
node = schema.String(min_length=3, max_length=5)
node_dict = node.to_dict()
assert 'node_type' in node_dict
assert node_dict['node_type'] == 'String'
assert 'config' in node_dict
assert 'min_length' in node_dict['config']
assert 'max_length' in node_dict['config']
assert node_dict['config']['min_length'] == 3
assert node_dict['config']['max_length'] == 5
def test_validation_error_chain(backend):
schema_node = schema.Compilation({
'spam':
schema.List(
schema.Compilation(
{'eggs': schema.List(schema.String(max_length=3))}))
})
data_node = backend.module.Compilation(schema_node,
parent=None,
new_params=backend.new_params)
data_node.spam.append({'eggs': ['abc', 'def']})
data_node.spam.append({'eggs': ['abc', 'def', 'ghij']})
with pytest.raises(exceptions.SubnodeValidationError) as err:
data_node.validate()
assert err.value.node_path() == 'spam[1].eggs[2]'
assert err.value.__cause__.node_path() == '[1].eggs[2]'
assert err.value.__cause__.__cause__.node_path() == 'eggs[2]'
assert err.value.__cause__.__cause__.__cause__.node_path() == '[2]'
assert str(
err.value).startswith('Node "spam[1].eggs[2]" failed validation:')
assert str(err.value).endswith(str(err.value.original_cause()))
def test_schema_alternative_fail(self, storage_path_existing):
pseudo = frontend.PseudoStorage(storage_path_existing, schema.Bytes(),
True, (schema.String(), ))
with pytest.raises(exceptions.InvalidSchemaError):
pseudo.open()
import json
import numpy as np
import pytest
from dsch import data, schema
from dsch.backends import npz
@pytest.mark.parametrize('schema_node,valid_data', (
(schema.Array(dtype='int32'), np.array([23, 42], dtype='int32')),
(schema.Bool(), True),
(schema.Date(), datetime.date.today()),
(schema.DateTime(), datetime.datetime.now()),
(schema.Scalar(dtype='int32'), np.int32(42)),
(schema.String(), 'spam'),
(schema.Time(), datetime.datetime.now().time()),
))
def test_save_item_node(schema_node, valid_data):
data_node = data.data_node_from_schema(schema_node,
module_name='dsch.backends.npz',
parent=None)
data_node.value = valid_data
assert np.all(data_node.save() == data_node._storage)
class TestCompilation:
def test_init_from_storage(self):
schema_node = schema.Compilation({'spam': schema.Bool(),
'eggs': schema.Bool()})
data_storage = {'spam': np.array([True]),
class TestString(ItemNodeTestBase):
class_name = 'String'
schema_node = schema.String()
valid_data = 'spam'
def test_validate_fail_type(self, test_data):
node = schema.String()
with pytest.raises(ValidationError) as err:
node.validate(test_data)
assert err.value.message == 'Invalid type/value.'
def test_validate(self):
node = schema.String(max_length=5, min_length=3)
node.validate('spam')
def test_init_defaults(self):
node = schema.String()
assert node.max_length is None
assert node.min_length is None
def test_init(self):
node = schema.String(max_length=5, min_length=3)
assert node.max_length == 5
assert node.min_length == 3
import datetime
import json
import numpy as np
import pytest
from dsch import schema
from dsch.exceptions import ValidationError
@pytest.mark.parametrize(
'node', (schema.Array(dtype='int32'), schema.Bool(), schema.Bytes(),
schema.Compilation({'spam': schema.Bool()}), schema.Date(),
schema.DateTime(), schema.List(schema.Bool()),
schema.Scalar(dtype='int32'), schema.String(), schema.Time()))
class TestGenericSchemaNode:
def test_to_json(self, node):
json_str = node.to_json()
node_dict = json.loads(json_str)
assert isinstance(node_dict, dict)
def test_hash(self, node):
hash = node.hash()
assert len(hash) == 64
@pytest.mark.parametrize('node1, node2', (
(schema.Array(dtype='float'), schema.Array(dtype='float')),
(schema.Bool(), schema.Bool()),
(schema.Bytes(), schema.Bytes()),
(schema.Compilation({'spam': schema.Bool()