tests.py 文件源码

def test_custom_formatting(self):
        class HasHTMLOnly(object):
            def __html__(self):
                return Markup('<foo>')

        class HasHTMLAndFormat(object):
            def __html__(self):
                return Markup('<foo>')
            def __html_format__(self, spec):
                return Markup('<FORMAT>')

        assert Markup('{0}').format(HasHTMLOnly()) == Markup('<foo>')
        assert Markup('{0}').format(HasHTMLAndFormat()) == Markup('<FORMAT>')