class CommandLineInterfaceTestCase(unittest.TestCase):
def setUp(self):
self.parser = BaseParser(exit=lambda x, *a, **kw: x)
self.parser.add_command(TestCommand)
self.args = ['testcommand', 'foo','--named','bar']
def test_run(self):
# Invoke run and assert that TestCommand.executed
# is True.
self.parser.run(self.args)
self.assertTrue(TestCommand.executed)
def test_run_from_command_line(self):
# Invoke run_from_command_line and assert that TestCommand.executed
# is True.
self.parser.run_from_command_line(self.args)
self.assertTrue(TestCommand.executed)
def test_non_existing_subcommand_exits_nonzero(self):
# Invoke run_from_command_line with a non existing command name.
# It must produce a nonzero exit code.
exitcode = self.parser.run_from_command_line(['foo'])
self.assertNotEqual(exitcode, 0)
def test_register_commands(self):
# Invoke the register_commands method and assert that the TestCommand
# may be invoked.
parser = BaseParser(exit=lambda x, *a, **kw: x)
parser.register_commands(
['.'.join([TestCommand.__module__])]
)
