def test_masked_array_undefined(self): wrapped_fn = _unary_fn_wrapper('my_module.my_function', lambda a: a + 10, fn_name='identity') msg = 'No <lambda> operation defined for masked arrays.' with self.assertRaisesRegex(TypeError, msg): assert_array_equal(wrapped_fn(np.array([-5, 2])).masked_array(), [-15, -8])
def test_docstring(self): wrapped_fn = _unary_fn_wrapper('my_module.my_function', lambda a: a) doc = inspect.getdoc(wrapped_fn) expected = ('Return the elementwise evaluation of ' 'my_module.my_function(a) as another Array.') self.assertEqual(doc, expected)
def test_masked_array_expected_values(self): wrapped_fn = _unary_fn_wrapper('my_module.my_function', lambda a: a + 10, lambda a: a - 10, fn_name='identity') assert_array_equal( wrapped_fn(np.array([-5, 2])).masked_array(), [-15, -8])
def test_masked_array_undefined(self): wrapped_fn = _unary_fn_wrapper('my_module.my_function', lambda a: a + 10, fn_name='identity') msg = 'No <lambda> operation defined for masked arrays.' with self.assertRaisesRegex(TypeError, msg): assert_array_equal( wrapped_fn(np.array([-5, 2])).masked_array(), [-15, -8])
def test_unexpected_n_arguments(self): wrapped_fn = _unary_fn_wrapper('my_module.my_function', lambda a: a + 10, fn_name='identity') # TODO: It would be good if this were not called "wrapped_function". if sys.version_info[0] == 2: msg = 'wrapped_function\(\) takes exactly 1 argument \(2 given\)' else: msg = ('wrapped_function\(\) takes 1 positional argument but 2 ' 'were given') with self.assertRaisesRegex(TypeError, msg) as ex: wrapped_fn(np.array([-5, 2]), np.array([-5, 2]))
def test_masked_array_expected_values(self): wrapped_fn = _unary_fn_wrapper('my_module.my_function', lambda a: a + 10, lambda a: a - 10, fn_name='identity') assert_array_equal(wrapped_fn(np.array([-5, 2])).masked_array(), [-15, -8])
def test_masked_array_creates_elementwise(self): wrapped_fn = _unary_fn_wrapper('my_module.my_function', lambda a: a + 10, lambda a: a - 10, fn_name='identity') self.assertIsInstance(wrapped_fn(np.array([1])), _Elementwise)
def test_given_fn_name(self): wrapped_fn = _unary_fn_wrapper('my_module.my_function', lambda a: a, fn_name='identity') self.assertEqual(wrapped_fn.__name__, 'identity')
def test_auto_fn_name(self): wrapped_fn = _unary_fn_wrapper('my_module.my_function', lambda a: a) self.assertEqual(wrapped_fn.__name__, (lambda a: a).__name__)