test_TextAdapter.py 文件源码

def test_delimiter(self):
        data = StringIO('1,2,3\n')
        adapter = textadapter.text_adapter(data, field_names=False)
        self.assert_equality(adapter[0].item(), (1,2,3))

        data = StringIO('1 2 3\n')
        adapter = textadapter.text_adapter(data, field_names=False)
        self.assert_equality(adapter[0].item(), (1,2,3))

        data = StringIO('1\t2\t3\n')
        adapter = textadapter.text_adapter(data, field_names=False)
        self.assert_equality(adapter[0].item(), (1,2,3))

        data = StringIO('1x2x3\n')
        adapter = textadapter.text_adapter(data, field_names=False)
        self.assert_equality(adapter[0].item(), (1,2,3))

        # Test no delimiter in single field csv data
        data = StringIO('aaa\nbbb\nccc')
        array = textadapter.text_adapter(data, field_names=False, delimiter=None)[:]
        assert_array_equal(array, np.array([('aaa',), ('bbb',), ('ccc',)], dtype=[('f0', 'O')]))