def write(self, file_name):
"""
Writes the DataContainer to a text file.
For supported file types, see :func:`.fileio.write`.
Args:
file_name(str): the name of the file to be writen to.
"""
write(self.to_builtin(), file_name)
def test_unsupported_file_raises_error(self):
"""Trying to write to a file with an unknown file extension should raise an error."""
with self.assertRaises(ValueError,
msg="write didn't raise ValueError"):
write(self.data, "data.foo")
def test_yaml_consistency(self):
"""Writing the test data to yaml then reading it should leave it unchanged."""
write(self.data, self.yaml_name)
self.assertEqual(self.data, read(self.yaml_name),
"Read data not the same as written data.")