class Test_catches_help(object):
def setup(self):
self.parser = Parse(['--foo'])
self.parser.writer = StringIO()
def test_does_not_catch_help_if_catch_help_is_not_defined(self):
self.parser.arguments = ['--help', '-h', 'help']
assert self.parser.catches_help(force=False) is None
def test_does_not_catch_version_if_version_is_not_defined(self):
self.parser.arguments = ['--version', 'version']
assert self.parser.catches_version(force=False) is None
def test_catches_only_help_if_it_sees_it_as_an_argument(self):
self.parser.arguments = ['foo', 'bar']
self.parser.catch_help = 'this is the help menu'
assert self.parser.catches_help() == False
def test_force_catch_version_does_nothing_if_not_defined(self):
self.parser.arguments = ['foo', 'bar']
assert self.parser.catches_version() == None
def test_force_catch_help_does_nothing_if_not_defined(self):
self.parser.arguments = ['foo', 'bar']
assert self.parser.catches_help() == None
def test_catches_a_single_dash_h(self):
self.parser.arguments = ['-h']
assert self.parser.check_help is True
self.parser.catch_help = 'this is the help menu'
with raises(SystemExit):
self.parser.catches_help()
assert self.parser.writer.getvalue() == 'this is the help menu\n'
def test_catches_double_dash_h(self):
self.parser.arguments = ['--h']
self.parser.catch_help = 'this is the help menu'
with raises(SystemExit):
self.parser.catches_help()
assert self.parser.writer.getvalue() == 'this is the help menu\n'
def test_catches_double_dash_help(self):
self.parser.arguments = ['--help']
self.parser.catch_help = 'this is the help menu'
with raises(SystemExit):
self.parser.catches_help()
assert self.parser.writer.getvalue() == 'this is the help menu\n'
