def test_regex_variable_expansion(collection):
# Should fail because two output values are required following expansion
with pytest.raises(Exception):
transform.copy(collection, 'resp', regex_variables='variables')
transform.copy(collection, 'resp', output_suffix='_copy',
regex_variables='variables')
assert 'respnum_copy' in collection.variables.keys()
assert 'respcat_copy' in collection.variables.keys()
assert np.array_equal(collection['respcat'].values.values,
collection['respcat_copy'].values.values)
assert np.array_equal(collection['respnum'].values.values,
collection['respnum_copy'].values.values)
def test_copy(collection):
transform.copy(collection, 'RT', output='RT_copy')
assert 'RT_copy' in collection.variables.keys()
assert np.array_equal(collection['RT'].values.values,
collection['RT_copy'].values.values)