test_style.py 文件源码

def test_display_subset(self):
        df = pd.DataFrame([[.1234, .1234], [1.1234, 1.1234]],
                          columns=['a', 'b'])
        ctx = df.style.format({"a": "{:0.1f}", "b": "{0:.2%}"},
                              subset=pd.IndexSlice[0, :])._translate()
        expected = '0.1'
        self.assertEqual(ctx['body'][0][1]['display_value'], expected)
        self.assertEqual(ctx['body'][1][1]['display_value'], '1.1234')
        self.assertEqual(ctx['body'][0][2]['display_value'], '12.34%')

        raw_11 = '1.1234'
        ctx = df.style.format("{:0.1f}",
                              subset=pd.IndexSlice[0, :])._translate()
        self.assertEqual(ctx['body'][0][1]['display_value'], expected)
        self.assertEqual(ctx['body'][1][1]['display_value'], raw_11)

        ctx = df.style.format("{:0.1f}",
                              subset=pd.IndexSlice[0, :])._translate()
        self.assertEqual(ctx['body'][0][1]['display_value'], expected)
        self.assertEqual(ctx['body'][1][1]['display_value'], raw_11)

        ctx = df.style.format("{:0.1f}",
                              subset=pd.IndexSlice['a'])._translate()
        self.assertEqual(ctx['body'][0][1]['display_value'], expected)
        self.assertEqual(ctx['body'][0][2]['display_value'], '0.1234')

        ctx = df.style.format("{:0.1f}",
                              subset=pd.IndexSlice[0, 'a'])._translate()
        self.assertEqual(ctx['body'][0][1]['display_value'], expected)
        self.assertEqual(ctx['body'][1][1]['display_value'], raw_11)

        ctx = df.style.format("{:0.1f}",
                              subset=pd.IndexSlice[[0, 1], ['a']])._translate()
        self.assertEqual(ctx['body'][0][1]['display_value'], expected)
        self.assertEqual(ctx['body'][1][1]['display_value'], '1.1')
        self.assertEqual(ctx['body'][0][2]['display_value'], '0.1234')
        self.assertEqual(ctx['body'][1][2]['display_value'], '1.1234')