def test_raises_error_if_trying_to_register_a_factory__that_is_already_registered_as_a_definition(
self):
library = MockLibrary()
library.definitions = {'ciao': {'producer': 'int'}}
factory = lambda random_funcs, config: 10
with self.assertRaises(ValueError):
library.register_factory('ciao', factory)
def test_can_register_a_variable(self):
library = MockLibrary()
library.register_variable('ciao', 1.0, SimpleType('float'))
expected_env = {
'ciao': 1.0,
'::types::': {
'ciao': SimpleType('float')
}
}
self.assertEqual(expected_env, library.env())
def test_can_register_a_function(self):
library = MockLibrary()
library.register_function('ciao', float, [SimpleType('int')],
SimpleType('float'))
expected_func_env = {
'ciao': float,
'::types::': {
'ciao': ([SimpleType('int')], SimpleType('float'))
}
}
self.assertEqual(expected_func_env, library.func_env())
def test_can_register_multiple_definitions(self):
library = MockLibrary()
factory_int = lambda random_funcs, config: 1
factory_float = lambda random_funcs, config: 2.0
library.register_factory('int', factory_int)
library.register_factory('float', factory_float)
library.register_definitions({
'perc': {
'producer': 'int'
},
'other': {
'producer': 'float'
}
})
self.assertEqual(1, library.make_producer('perc', {}))
self.assertEqual(2.0, library.make_producer('other', {}))
def test_can_make_schema_with_transformers(self):
schema = make_schema_cmdline([('A', '@bob'), ('B', '%int')], [('bob', '%int')], show_header=True,
library=MockLibrary())
self.assertTrue(schema.show_header)
self.assertEqual(('A', 'B'), schema.columns)
producers = sorted(schema.producers, key=lambda x: x.name)
self.assertEqual(2, len(producers))
self.assertEqual(SimpleNamespace(name='producer#0', type='int', config={}), producers[0])
self.assertEqual(SimpleNamespace(name='producer#1', type='int', config={}), producers[1])
self.assertEqual(5, len(schema.transformers))
expected_transformer_bob = SimpleNamespace(name='transformer#0', inputs=['producer#0'], outputs=['bob'],
transformer=IdentityTransformer(1))
expected_transformer_A = SimpleNamespace(name='transformer#1', inputs=['producer#0'], outputs=['A'],
transformer=IdentityTransformer(1))
expected_transformer_B = SimpleNamespace(name='transformer#2', inputs=['producer#1'], outputs=['B'],
transformer=IdentityTransformer(1))
expected_transformer_A_copy = SimpleNamespace(name='transformer#3', inputs=['producer#0'], outputs=['A'],
transformer=IdentityTransformer(1))
expected_transformer_B_copy = SimpleNamespace(name='transformer#4', inputs=['producer#1'], outputs=['B'],
transformer=IdentityTransformer(1))
self.assertEqual(expected_transformer_bob, schema.transformers[0])
self.assertEqual(expected_transformer_A, schema.transformers[1])
self.assertEqual(expected_transformer_B, schema.transformers[2])
self.assertEqual(expected_transformer_A_copy, schema.transformers[3])
self.assertEqual(expected_transformer_B_copy, schema.transformers[4])
def test_can_make_schema_with_a_single_column(self):
schema = make_schema_expr('%int', ['A'], show_header=True, library=MockLibrary())
self.assertTrue(schema.show_header)
self.assertEqual(('A',), schema.columns)
self.assertEqual(1, len(schema.producers))
self.assertEqual(SimpleNamespace(name='producer#0', type='int', config={}), schema.producers[0])
self.assertEqual(1, len(schema.transformers))
expected_transformer = SimpleNamespace(name='transformer#0', inputs=['producer#0'], outputs=['A'],
transformer=IdentityTransformer(1))
self.assertEqual(expected_transformer, schema.transformers[0])
def test_raises_error_when_creating_library_if_name_has_multiple_definitions(
self):
with self.assertRaises(ValueError):
MockLibrary(factories={'a': (lambda x: 1)},
definitions={'a': None})
def test_can_lookup_definitions(self):
library = MockLibrary()
factory = lambda random_funcs, config: 1
library.register_factory('int', factory)
library.register_definition('perc', {'producer': 'int'})
self.assertEqual(1, library.make_producer('perc', {}))
def test_raises_error_if_trying_to_unknown_producer(self):
library = MockLibrary()
with self.assertRaises(LookupError):
library.make_producer('ciao', {})
def test_compatibility(self):
compat = MockLibrary().compatibility()
self.assertEqual(
SimpleType('a'),
compat.get_upperbound(SimpleType('a'), SimpleType('b')))
def test_raises_error_if_trying_to_register_a_factory_multiple_times(self):
library = MockLibrary()
factory = lambda random_funcs, config: 10
library.register_factory('ciao', factory)
with self.assertRaises(ValueError):
library.register_factory('ciao', factory)
def test_can_register_a_definition(self):
library = MockLibrary()
factory = lambda random_funcs, config: 10
library.register_factory('int', factory)
library.register_definition('ciao', {'producer': 'int', 'config': {}})
self.assertEqual(10, library.make_producer('ciao', {}))
def test_can_register_a_factory(self):
library = MockLibrary()
factory = lambda random_funcs, config: 10
library.register_factory('ciao', factory)
self.assertEqual(factory, library.get_producer_factory('ciao'))
def test_func_env(self):
self.assertEqual({}, MockLibrary().func_env())
def test_can_make_schema_with_multiple_columns(self):
schema = make_schema_expr('%int . %int', ['A', 'B'], show_header=True, library=MockLibrary())
self.assertTrue(schema.show_header)
self.assertEqual(('A', 'B'), schema.columns)
producers = sorted(schema.producers, key=lambda x: x.name)
self.assertEqual(2, len(producers))
self.assertEqual(SimpleNamespace(name='producer#0', type='int', config={}), producers[0])
self.assertEqual(SimpleNamespace(name='producer#1', type='int', config={}), producers[1])
self.assertEqual(2, len(schema.transformers))
expected_transformer_A = SimpleNamespace(name='transformer#0', inputs=['producer#0'], outputs=['A'],
transformer=IdentityTransformer(1))
expected_transformer_B = SimpleNamespace(name='transformer#1', inputs=['producer#1'], outputs=['B'],
transformer=IdentityTransformer(1))
self.assertEqual(expected_transformer_A, schema.transformers[0])
self.assertEqual(expected_transformer_B, schema.transformers[1])
