root / widget_tweaks / tests.py @ master
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import string |
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try:
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from django.utils.unittest import expectedFailure |
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except ImportError: |
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def expectedFailure(func): |
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return lambda *args, **kwargs: None |
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from django.test import TestCase |
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from django.forms import Form, CharField, TextInput |
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from django import forms |
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from django.template import Template, Context |
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from django.forms.extras.widgets import SelectDateWidget |
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# ==============================
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# Testing helpers
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# ==============================
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class MyForm(Form): |
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"""
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Test form. If you want to test rendering of a field,
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add it to this form and use one of 'render_...' functions
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from this module.
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"""
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simple = CharField() |
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with_attrs = CharField(widget=TextInput(attrs={ |
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'foo': 'baz', |
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'egg': 'spam' |
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})) |
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with_cls = CharField(widget=TextInput(attrs={'class':'class0'})) |
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date = forms.DateField(widget=SelectDateWidget(attrs={'egg': 'spam'})) |
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def render_form(text, form=None, **context_args): |
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"""
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Renders template ``text`` with widget_tweaks library loaded
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and MyForm instance available in context as ``form``.
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"""
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tpl = Template("{% load widget_tweaks %}" + text)
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context_args.update({'form': MyForm() if form is None else form}) |
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context = Context(context_args) |
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return tpl.render(context)
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def render_field(field, template_filter, params, *args, **kwargs): |
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"""
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Renders ``field`` of MyForm with filter ``template_filter`` applied.
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``params`` are filter arguments.
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If you want to apply several filters (in a chain),
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pass extra ``template_filter`` and ``params`` as positional arguments.
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In order to use custom form, pass form instance as ``form``
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keyword argument.
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"""
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filters = [(template_filter, params)] |
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filters.extend(zip(args[::2], args[1::2])) |
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filter_strings = ['|%s:"%s"' % (f[0], f[1],) for f in filters] |
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render_field_str = '{{ form.%s%s }}' % (field, ''.join(filter_strings)) |
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return render_form(render_field_str, **kwargs)
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def render_field_from_tag(field, *attributes): |
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"""
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Renders MyForm's field ``field`` with attributes passed
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as positional arguments.
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"""
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attr_strings = [' %s' % f for f in attributes] |
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tpl = string.Template('{% render_field form.$field$attrs %}')
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render_field_str = tpl.substitute(field=field, attrs=''.join(attr_strings))
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return render_form(render_field_str)
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def assertIn(value, obj): |
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assert value in obj, "%s not in %s" % (value, obj,) |
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def assertNotIn(value, obj): |
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assert value not in obj, "%s in %s" % (value, obj,) |
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# ===============================
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# Test cases
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# ===============================
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class SimpleAttrTest(TestCase): |
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def test_attr(self): |
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res = render_field('simple', 'attr', 'foo:bar') |
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assertIn('type="text"', res)
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assertIn('name="simple"', res)
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assertIn('id="id_simple"', res)
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assertIn('foo="bar"', res)
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def test_attr_chaining(self): |
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res = render_field('simple', 'attr', 'foo:bar', 'attr', 'bar:baz') |
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assertIn('type="text"', res)
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assertIn('name="simple"', res)
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assertIn('id="id_simple"', res)
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assertIn('foo="bar"', res)
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assertIn('bar="baz"', res)
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def test_add_class(self): |
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res = render_field('simple', 'add_class', 'foo') |
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assertIn('class="foo"', res)
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def test_add_multiple_classes(self): |
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res = render_field('simple', 'add_class', 'foo bar') |
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assertIn('class="foo bar"', res)
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def test_add_class_chaining(self): |
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res = render_field('simple', 'add_class', 'foo', 'add_class', 'bar') |
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assertIn('class="bar foo"', res)
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def test_set_data(self): |
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res = render_field('simple', 'set_data', 'key:value') |
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assertIn('data-key="value"', res)
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class ErrorsTest(TestCase): |
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def _err_form(self): |
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form = MyForm({'foo': 'bar'}) # some random data |
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form.is_valid() # trigger form validation
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return form
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def test_error_class_no_error(self): |
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res = render_field('simple', 'add_error_class', 'err') |
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assertNotIn('class="err"', res)
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def test_error_class_error(self): |
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form = self._err_form()
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res = render_field('simple', 'add_error_class', 'err', form=form) |
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assertIn('class="err"', res)
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def test_error_attr_no_error(self): |
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res = render_field('simple', 'add_error_attr', 'aria-invalid:true') |
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assertNotIn('aria-invalid="true"', res)
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def test_error_attr_error(self): |
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form = self._err_form()
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res = render_field('simple', 'add_error_attr', 'aria-invalid:true', form=form) |
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assertIn('aria-invalid="true"', res)
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class SilenceTest(TestCase): |
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def test_silence_without_field(self): |
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res = render_field("nothing", 'attr', 'foo:bar') |
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self.assertEqual(res, "") |
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res = render_field("nothing", 'add_class', 'some') |
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self.assertEqual(res, "") |
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class CustomizedWidgetTest(TestCase): |
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def test_attr(self): |
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res = render_field('with_attrs', 'attr', 'foo:bar') |
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assertIn('foo="bar"', res)
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assertNotIn('foo="baz"', res)
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assertIn('egg="spam"', res)
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# see https://code.djangoproject.com/ticket/16754
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@expectedFailure
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def test_selectdatewidget(self): |
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res = render_field('date', 'attr', 'foo:bar') |
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assertIn('egg="spam"', res)
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assertIn('foo="bar"', res)
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def test_attr_chaining(self): |
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res = render_field('with_attrs', 'attr', 'foo:bar', 'attr', 'bar:baz') |
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assertIn('foo="bar"', res)
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assertNotIn('foo="baz"', res)
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assertIn('egg="spam"', res)
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assertIn('bar="baz"', res)
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def test_attr_class(self): |
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res = render_field('with_cls', 'attr', 'foo:bar') |
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assertIn('foo="bar"', res)
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assertIn('class="class0"', res)
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def test_default_attr(self): |
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res = render_field('with_cls', 'attr', 'type:search') |
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assertIn('class="class0"', res)
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assertIn('type="search"', res)
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def test_add_class(self): |
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res = render_field('with_cls', 'add_class', 'class1') |
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assertIn('class0', res)
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assertIn('class1', res)
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def test_add_class_chaining(self): |
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res = render_field('with_cls', 'add_class', 'class1', 'add_class', 'class2') |
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assertIn('class0', res)
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assertIn('class1', res)
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assertIn('class2', res)
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class FieldReuseTest(TestCase): |
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def test_field_double_rendering_simple(self): |
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res = render_form('{{ form.simple }}{{ form.simple|attr:"foo:bar" }}{{ form.simple }}')
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self.assertEqual(res.count("bar"), 1) |
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def test_field_double_rendering_simple_css(self): |
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res = render_form('{{ form.simple }}{{ form.simple|add_class:"bar" }}{{ form.simple|add_class:"baz" }}')
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self.assertEqual(res.count("baz"), 1) |
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self.assertEqual(res.count("bar"), 1) |
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def test_field_double_rendering_attrs(self): |
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res = render_form('{{ form.with_cls }}{{ form.with_cls|add_class:"bar" }}{{ form.with_cls }}')
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self.assertEqual(res.count("class0"), 3) |
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self.assertEqual(res.count("bar"), 1) |
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class SimpleRenderFieldTagTest(TestCase): |
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def test_attr(self): |
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res = render_field_from_tag('simple', 'foo="bar"') |
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assertIn('type="text"', res)
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assertIn('name="simple"', res)
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assertIn('id="id_simple"', res)
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assertIn('foo="bar"', res)
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def test_multiple_attrs(self): |
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res = render_field_from_tag('simple', 'foo="bar"', 'bar="baz"') |
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assertIn('type="text"', res)
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assertIn('name="simple"', res)
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assertIn('id="id_simple"', res)
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assertIn('foo="bar"', res)
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assertIn('bar="baz"', res)
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class RenderFieldTagSilenceTest(TestCase): |
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def test_silence_without_field(self): |
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res = render_field_from_tag("nothing", 'foo="bar"') |
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self.assertEqual(res, "") |
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res = render_field_from_tag("nothing", 'class+="some"') |
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self.assertEqual(res, "") |
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class RenderFieldTagCustomizedWidgetTest(TestCase): |
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def test_attr(self): |
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res = render_field_from_tag('with_attrs', 'foo="bar"') |
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assertIn('foo="bar"', res)
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assertNotIn('foo="baz"', res)
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assertIn('egg="spam"', res)
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# see https://code.djangoproject.com/ticket/16754
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@expectedFailure
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def test_selectdatewidget(self): |
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res = render_field_from_tag('date', 'foo="bar"') |
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assertIn('egg="spam"', res)
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assertIn('foo="bar"', res)
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def test_multiple_attrs(self): |
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res = render_field_from_tag('with_attrs', 'foo="bar"', 'bar="baz"') |
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assertIn('foo="bar"', res)
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assertNotIn('foo="baz"', res)
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assertIn('egg="spam"', res)
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assertIn('bar="baz"', res)
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def test_attr_class(self): |
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res = render_field_from_tag('with_cls', 'foo="bar"') |
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assertIn('foo="bar"', res)
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assertIn('class="class0"', res)
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def test_default_attr(self): |
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res = render_field_from_tag('with_cls', 'type="search"') |
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assertIn('class="class0"', res)
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assertIn('type="search"', res)
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def test_append_attr(self): |
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res = render_field_from_tag('with_cls', 'class+="class1"') |
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assertIn('class0', res)
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assertIn('class1', res)
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def test_duplicate_append_attr(self): |
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res = render_field_from_tag('with_cls', 'class+="class1"', 'class+="class2"') |
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assertIn('class0', res)
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assertIn('class1', res)
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assertIn('class2', res)
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def test_hyphenated_attributes(self): |
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res = render_field_from_tag('with_cls', 'data-foo="bar"') |
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assertIn('data-foo="bar"', res)
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assertIn('class="class0"', res)
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class RenderFieldWidgetClassesTest(TestCase): |
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def test_use_widget_required_class(self): |
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res = render_form('{% render_field form.simple %}',
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WIDGET_REQUIRED_CLASS='required_class')
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assertIn('class="required_class"', res)
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def test_use_widget_error_class(self): |
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res = render_form('{% render_field form.simple %}', form=MyForm({}),
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WIDGET_ERROR_CLASS='error_class')
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assertIn('class="error_class"', res)
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def test_use_widget_error_class_with_other_classes(self): |
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res = render_form('{% render_field form.simple class="blue" %}',
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form=MyForm({}), WIDGET_ERROR_CLASS='error_class')
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assertIn('class="blue error_class"', res)
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def test_use_widget_required_class_with_other_classes(self): |
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res = render_form('{% render_field form.simple class="blue" %}',
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form=MyForm({}), WIDGET_REQUIRED_CLASS='required_class')
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assertIn('class="blue required_class"', res)
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class RenderFieldTagFieldReuseTest(TestCase): |
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def test_field_double_rendering_simple(self): |
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res = render_form('{{ form.simple }}{% render_field form.simple foo="bar" %}{% render_field form.simple %}')
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self.assertEqual(res.count("bar"), 1) |
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def test_field_double_rendering_simple_css(self): |
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res = render_form('{% render_field form.simple %}{% render_field form.simple class+="bar" %}{% render_field form.simple class+="baz" %}')
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self.assertEqual(res.count("baz"), 1) |
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self.assertEqual(res.count("bar"), 1) |
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def test_field_double_rendering_attrs(self): |
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res = render_form('{% render_field form.with_cls %}{% render_field form.with_cls class+="bar" %}{% render_field form.with_cls %}')
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self.assertEqual(res.count("class0"), 3) |
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self.assertEqual(res.count("bar"), 1) |
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class RenderFieldTagUseTemplateVariableTest(TestCase): |
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def test_use_template_variable_in_parametrs(self): |
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res = render_form('{% render_field form.with_attrs egg+="pahaz" placeholder=form.with_attrs.label %}')
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assertIn('egg="spam pahaz"', res)
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assertIn('placeholder="With attrs"', res)
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class RenderFieldFilter_field_type_widget_type_Test(TestCase): |
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def test_field_type_widget_type_rendering_simple(self): |
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res = render_form('<div class="{{ form.simple|field_type }} {{ form.simple|widget_type }} {{ form.simple.html_name }}">{{ form.simple }}</div>')
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assertIn('class="charfield textinput simple"', res)
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