test_npm.py 文件源码

def test_install_dryrun(self):
        stub_mod_call(self, cli)
        tmpdir = mkdtemp(self)
        os.chdir(tmpdir)
        dist = Distribution(dict(
            script_name='setup.py',
            script_args=['npm', '--install', '--dry-run'],
            name='foo',
        ))
        dist.parse_command_line()
        dist.run_commands()

        self.assertFalse(exists(join(tmpdir, 'package.json')))
        # Ensure that install is NOT called.
        self.assertIsNone(self.call_args)
        # also log handlers removed.
        self.assertEqual(len(getLogger('calmjs.cli').handlers), 0)
        # However, default action is view, the package.json should be
        # written to stdout with the correct indentation level.
        self.assertIn('\n        "jquery": "~1.11.0"', sys.stdout.getvalue())