def set_up_mock(self, filemock):
fs_mock = Mock()
filemock.return_value = fs_mock
fs_mock.readline.return_value = 'test_hostname'
data = Plugin.data()
return data
def test_plugin_open_hostname_file(self, filemock):
fs_mock = Mock()
filemock.return_value = fs_mock
fs_mock.read.return_value = 'test_hostname'
Plugin.data()
filemock.assert_called_with('/proc/sys/kernel/hostname')