test_layout.py 文件源码

def test_meta_extra_fields_with_missing_fields(self):
        class FormWithMeta(TestForm):
            class Meta:
                fields = ('email', 'first_name', 'last_name')

        form = FormWithMeta()
        # We remove email field on the go
        del form.fields['email']

        form_helper = FormHelper()
        form_helper.layout = Layout(
            'first_name',
        )

        template = loader.get_template_from_string(u"""
            {% load crispy_forms_tags %}
            {% crispy form form_helper %}
        """)
        c = Context({'form': form, 'form_helper': form_helper})
        html = template.render(c)
        self.assertFalse('email' in html)