def test_get_body_from_file_travis(mocker):
"""
GIVEN a call to messages via the CLI
WHEN a message is specified by filename
THEN assert the correct file operations are called and the kwds
dict is updated
"""
isfile_mock = mocker.patch.object(os.path, 'isfile')
open_mock = mocker.patch.object(builtins, 'open')
isfile_mock.return_value = True
kwds = {'file': 'file.txt'}
get_body_from_file(kwds)
assert kwds['file'] is None
assert 'body' in kwds.keys()
def test_get_body_from_file(tmpdir):
"""
GIVEN a call to messages via the CLI
WHEN a message is specified by filename
THEN assert the file contents are read and set into the message body
* this uses the tmpdir pytest built-in fixture to create temporary
directory and file for the test
"""
msg_file = tmpdir.join('msg.txt')
msg_file.write('This is the message to send!')
kwds = {'body': None, 'file': msg_file}
body = get_body_from_file(kwds)
assert kwds == {'body': 'This is the message to send!', 'file': None}