class TestCLI(testtools.TestCase):
def setUp(self):
super(TestCLI, self).setUp()
self._cli = CLI()
def test_cli_raises_usage_without_arguments(self):
self.assertRaises(DocoptExit, lambda: self._cli.main())
def test_cli_prints_version(self):
with patch('sys.argv', ['bin/molecule', '--version']):
with patch('sys.stdout', StringIO.StringIO()) as mocked_stdout:
result = self.assertRaises(SystemExit, lambda: self._cli.main())
stdout = mocked_stdout.getvalue().strip()
self.assertEqual(result.code, 0)
self.assertThat(stdout, MatchesRegex('^\d\.\d\.\d'))
def test_cli_raises_usage_with_invalid_sub_command(self):
with patch('sys.argv', ['bin/molecule', 'invalid-subcommand']):
self.assertRaises(DocoptExit, lambda: self._cli.main())
def setUp(self):
super(TestCLI, self).setUp()
self._cli = CLI()
