def test_without_error_handling():
o = options.Options(optspec)
with utils.raises(options.UsageRequested):
o.parse(['-h'])
with utils.raises(options.UsageError):
o.parse(['--foo'])
def test_show_usage():
o = options.Options(optspec)
with utils.stderr_patcher as mock_stderr:
o.show_usage()
assert o.usage in mock_stderr._data
with utils.stderr_patcher as mock_stderr:
o.show_usage("This is a message")
assert o.usage in mock_stderr._data
assert "This is a message" in mock_stderr._data
o = options.Options(
optspec,
onabort=utils.mock_onabort)
with utils.stderr_patcher as mock_stderr:
with utils.raises(utils.MockError):
o.show_usage()
assert o.usage in mock_stderr._data
with utils.stderr_patcher as mock_stderr:
with utils.raises(utils.MockError):
o.show_usage("This is a message")
assert o.usage in mock_stderr._data
assert "This is a message" in mock_stderr._data
def test_with_error_handling():
o = options.Options(optspec, onabort=utils.mock_onabort)
with utils.stderr_patcher as mock_stderr:
with utils.raises(utils.MockError):
with options.ErrorHandler(o):
o.parse(['-h'])
assert o.usage in mock_stderr._data
with utils.stderr_patcher as mock_stderr:
with utils.raises(utils.MockError):
with options.ErrorHandler(o):
o.parse(['--foo'])
assert o.usage in mock_stderr._data
def test_parse():
o = options.Options(optspec, onabort=None)
with utils.raises(options.UsageRequested):
assert o.parse(['-h']) == None
(opt, flags, extra) = o.parse(["-t"])
assert flags == [('-t', '')]
assert not extra