def test_should_exit_cleanly_for_not_existing(mocker):
"""
Checks that method exits with 0 exit code if target file does not exist
"""
# Configuration
args = create_args()
mocker.patch('os.path.exists', new=lambda path: False)
mocker.patch('os.remove')
# Run method under test
output, exit_code = remove_unsuccessful(args)
# Assertions
assert output == 'File /media/backups/test__20181101_031401.tar does not exist.'
assert exit_code == 0
def test_should_error_out_on_directory(mocker):
"""
Checks that if target file is a directory, script errors out
"""
# Configuration
args = create_args()
mocker.patch('os.path.exists', new=lambda path: True)
mocker.patch('os.path.isfile', new=lambda path: False)
mocker.patch('os.remove')
# Run method under test
output, exit_code = remove_unsuccessful(args)
# Assertions
assert output == 'Path /media/backups/test__20181101_031401.tar points to a directory or some other non-regular file.'
assert exit_code == 1
def test_should_remove_file_if_all_checks_passed(mocker):
"""
Checks that if all checks have passed, the file is removed
"""
# Configuration
args = create_args()
mocker.patch('manage_backups.os.path.exists', return_value=True)
mocker.patch('manage_backups.os.path.isfile', return_value=True)
remove_mock = mocker.patch('os.remove')
# Run method under test
output, exit_code = remove_unsuccessful(args)
# Assertions
assert remove_mock.called
assert exit_code == 0
def test_should_error_out_if_dir_does_not_match(mocker):
"""
Checks that if target file is located outside the backup destination dir, script errors out
"""
# Configuration
args = create_args(backup_dest_dir='/tmp')
mocker.patch('os.path.exists', return_value=True)
mocker.patch('os.path.isfile', return_value=True)
mocker.patch('os.remove')
# Run method under test
output, exit_code = remove_unsuccessful(args)
# Assertions
assert output == "Target file is at directory /media/backups, and backup destination dir " \
"is /tmp. Probably you specified a wrong path."
assert exit_code == 1
def test_should_error_out_if_prefix_differs(mocker):
"""
Checks that if target file name prefix does not match the expected one, script errors out
"""
# Configuration
args = create_args(prefix='wrong_prefix')
mocker.patch('os.path.exists', new=lambda path: True)
mocker.patch('os.path.isfile', new=lambda path: True)
mocker.patch('os.remove')
# Run method under test
output, exit_code = remove_unsuccessful(args)
# Assertions
assert output == "File name /media/backups/test__20181101_031401.tar does not " \
"start with prefix 'wrong_prefix'. Probably you specified a wrong file."
assert exit_code == 1
def test_should_error_out_if_extension_differs(mocker):
"""
Checks that if target file name extension does not match the expected one, script errors out
"""
# Configuration
args = create_args(extension='tar.gz')
mocker.patch('os.path.exists', new=lambda path: True)
mocker.patch('os.path.isfile', new=lambda path: True)
mocker.patch('os.remove')
# Run method under test
output, exit_code = remove_unsuccessful(args)
# Assertions
assert output == "File name test__20181101_031401.tar does not end with" \
" extension 'tar.gz'. Probably you specified a wrong file."
assert exit_code == 1