test.py 文件源码

def test_listdir(self):
        # Check listing directory that doesn't exist
        with self.assertRaises(errors.ResourceNotFound):
            self.fs.listdir('foobar')

        # Check aliases for root
        self.assertEqual(self.fs.listdir('/'), [])
        self.assertEqual(self.fs.listdir('.'), [])
        self.assertEqual(self.fs.listdir('./'), [])

        # Make a few files
        self.fs.setbytes('foo', b'egg')
        self.fs.setbytes('bar', b'egg')
        self.fs.setbytes('baz', b'egg')

        # Check list works
        six.assertCountEqual(self,
                             self.fs.listdir('/'),
                             ['foo', 'bar', 'baz'])
        six.assertCountEqual(self,
                             self.fs.listdir('.'),
                             ['foo', 'bar', 'baz'])
        six.assertCountEqual(self,
                             self.fs.listdir('./'),
                             ['foo', 'bar', 'baz'])

        # Check paths are unicode strings
        for name in self.fs.listdir('/'):
            self.assertIsInstance(name, text_type)

        # Create a subdirectory
        self.fs.makedir('dir')

        # Should start empty
        self.assertEqual(self.fs.listdir('/dir'), [])

        # Write some files
        self.fs.setbytes('dir/foofoo', b'egg')
        self.fs.setbytes('dir/barbar', b'egg')

        # Check listing subdirectory
        six.assertCountEqual(self,
                             self.fs.listdir('dir'),
                             ['foofoo', 'barbar'])
        # Make sure they are unicode stringd
        for name in self.fs.listdir('dir'):
            self.assertIsInstance(name, text_type)

        self.fs.create('notadir')
        with self.assertRaises(errors.DirectoryExpected):
            self.fs.listdir('notadir')