36 lines
1.4 KiB
Python
36 lines
1.4 KiB
Python
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from django import forms
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from django.test import SimpleTestCase
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from django.utils.deprecation import RemovedInDjango21Warning
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class RenderDeprecationTests(SimpleTestCase):
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def test_custom_widget_renderer_warning(self):
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class CustomWidget1(forms.TextInput):
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def render(self, name, value, attrs=None, renderer=None):
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return super().render(name, value, attrs, renderer)
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class CustomWidget2(forms.TextInput):
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def render(self, *args, **kwargs):
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return super().render(*args, **kwargs)
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class CustomWidget3(forms.TextInput):
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def render(self, name, value, attrs=None):
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return super().render(name, value, attrs)
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class MyForm(forms.Form):
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foo = forms.CharField(widget=CustomWidget1)
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bar = forms.CharField(widget=CustomWidget2)
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baz = forms.CharField(widget=CustomWidget3)
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form = MyForm()
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str(form['foo']) # No warning.
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str(form['bar']) # No warning.
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msg = (
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"Add the `renderer` argument to the render() method of <class "
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"'forms_tests.widget_tests.test_render_deprecation"
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".RenderDeprecationTests.test_custom_widget_renderer_warning.<locals>"
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".CustomWidget3'>. It will be mandatory in Django 2.1."
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)
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with self.assertRaisesMessage(RemovedInDjango21Warning, msg):
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str(form['baz'])
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