def test_debug_no_args():
"""
If the debugger is accidentally started with no filename and/or associated
args, then emit a friendly message to indicate the problem.
"""
expected_msg = "Debugger requires a Python script filename to run."
mock_print = mock.MagicMock()
with mock.patch("builtins.print", mock_print):
mu_debug.debug()
mock_print.assert_called_once_with(expected_msg)
def test_debug():
"""
Ensure the debugger is run with the expected arguments given the filename
and other arguments passed in via sys.argv.
"""
args = ("foo", "bar", "baz")
filename = "foo.py"
expected_filename = os.path.normcase(os.path.abspath(filename))
mock_runner = mock.MagicMock()
with mock.patch("mu.debugger.runner.run", mock_runner):
mu_debug.debug(filename, *args)
mock_runner.assert_called_once_with("localhost", DEBUGGER_PORT,
expected_filename, args)