datatracker/widget_tweaks/tests.py
2015-02-05 14:05:39 +00:00

334 lines
12 KiB
Python

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