test_format.py 文件源码

def test_to_string_mixed(self):
        s = Series(['foo', np.nan, -1.23, 4.56])
        result = s.to_string()
        expected = (u('0     foo\n') + u('1     NaN\n') + u('2   -1.23\n') +
                    u('3    4.56'))
        self.assertEqual(result, expected)

        # but don't count NAs as floats
        s = Series(['foo', np.nan, 'bar', 'baz'])
        result = s.to_string()
        expected = (u('0    foo\n') + '1    NaN\n' + '2    bar\n' + '3    baz')
        self.assertEqual(result, expected)

        s = Series(['foo', 5, 'bar', 'baz'])
        result = s.to_string()
        expected = (u('0    foo\n') + '1      5\n' + '2    bar\n' + '3    baz')
        self.assertEqual(result, expected)