django/tests/regressiontests/forms/tests/widgets.py

1191 lines
68 KiB
Python

# -*- coding: utf-8 -*-
from __future__ import unicode_literals
import copy
import datetime
from django.conf import settings
from django.core.files.uploadedfile import SimpleUploadedFile
from django.forms import *
from django.forms.widgets import RadioFieldRenderer
from django.utils import formats
from django.utils.safestring import mark_safe
from django.utils import six
from django.utils.translation import activate, deactivate
from django.test import TestCase
from django.utils.encoding import python_2_unicode_compatible
class FormsWidgetTestCase(TestCase):
# Each Widget class corresponds to an HTML form widget. A Widget knows how to
# render itself, given a field name and some data. Widgets don't perform
# validation.
def test_textinput(self):
w = TextInput()
self.assertHTMLEqual(w.render('email', ''), '<input type="text" name="email" />')
self.assertHTMLEqual(w.render('email', None), '<input type="text" name="email" />')
self.assertHTMLEqual(w.render('email', 'test@example.com'), '<input type="text" name="email" value="test@example.com" />')
self.assertHTMLEqual(w.render('email', 'some "quoted" & ampersanded value'), '<input type="text" name="email" value="some &quot;quoted&quot; &amp; ampersanded value" />')
self.assertHTMLEqual(w.render('email', 'test@example.com', attrs={'class': 'fun'}), '<input type="text" name="email" value="test@example.com" class="fun" />')
self.assertHTMLEqual(w.render('email', 'ŠĐĆŽćžšđ', attrs={'class': 'fun'}), '<input type="text" name="email" value="\u0160\u0110\u0106\u017d\u0107\u017e\u0161\u0111" class="fun" />')
# You can also pass 'attrs' to the constructor:
w = TextInput(attrs={'class': 'fun', 'type': 'email'})
self.assertHTMLEqual(w.render('email', ''), '<input type="email" class="fun" name="email" />')
self.assertHTMLEqual(w.render('email', 'foo@example.com'), '<input type="email" class="fun" value="foo@example.com" name="email" />')
# 'attrs' passed to render() get precedence over those passed to the constructor:
w = TextInput(attrs={'class': 'pretty'})
self.assertHTMLEqual(w.render('email', '', attrs={'class': 'special'}), '<input type="text" class="special" name="email" />')
# 'attrs' can be safe-strings if needed)
w = TextInput(attrs={'onBlur': mark_safe("function('foo')")})
self.assertHTMLEqual(w.render('email', ''), '<input onBlur="function(\'foo\')" type="text" name="email" />')
def test_passwordinput(self):
w = PasswordInput()
self.assertHTMLEqual(w.render('email', ''), '<input type="password" name="email" />')
self.assertHTMLEqual(w.render('email', None), '<input type="password" name="email" />')
self.assertHTMLEqual(w.render('email', 'secret'), '<input type="password" name="email" />')
# The render_value argument lets you specify whether the widget should render
# its value. For security reasons, this is off by default.
w = PasswordInput(render_value=True)
self.assertHTMLEqual(w.render('email', ''), '<input type="password" name="email" />')
self.assertHTMLEqual(w.render('email', None), '<input type="password" name="email" />')
self.assertHTMLEqual(w.render('email', 'test@example.com'), '<input type="password" name="email" value="test@example.com" />')
self.assertHTMLEqual(w.render('email', 'some "quoted" & ampersanded value'), '<input type="password" name="email" value="some &quot;quoted&quot; &amp; ampersanded value" />')
self.assertHTMLEqual(w.render('email', 'test@example.com', attrs={'class': 'fun'}), '<input type="password" name="email" value="test@example.com" class="fun" />')
# You can also pass 'attrs' to the constructor:
w = PasswordInput(attrs={'class': 'fun'}, render_value=True)
self.assertHTMLEqual(w.render('email', ''), '<input type="password" class="fun" name="email" />')
self.assertHTMLEqual(w.render('email', 'foo@example.com'), '<input type="password" class="fun" value="foo@example.com" name="email" />')
# 'attrs' passed to render() get precedence over those passed to the constructor:
w = PasswordInput(attrs={'class': 'pretty'}, render_value=True)
self.assertHTMLEqual(w.render('email', '', attrs={'class': 'special'}), '<input type="password" class="special" name="email" />')
self.assertHTMLEqual(w.render('email', 'ŠĐĆŽćžšđ', attrs={'class': 'fun'}), '<input type="password" class="fun" value="\u0160\u0110\u0106\u017d\u0107\u017e\u0161\u0111" name="email" />')
def test_hiddeninput(self):
w = HiddenInput()
self.assertHTMLEqual(w.render('email', ''), '<input type="hidden" name="email" />')
self.assertHTMLEqual(w.render('email', None), '<input type="hidden" name="email" />')
self.assertHTMLEqual(w.render('email', 'test@example.com'), '<input type="hidden" name="email" value="test@example.com" />')
self.assertHTMLEqual(w.render('email', 'some "quoted" & ampersanded value'), '<input type="hidden" name="email" value="some &quot;quoted&quot; &amp; ampersanded value" />')
self.assertHTMLEqual(w.render('email', 'test@example.com', attrs={'class': 'fun'}), '<input type="hidden" name="email" value="test@example.com" class="fun" />')
# You can also pass 'attrs' to the constructor:
w = HiddenInput(attrs={'class': 'fun'})
self.assertHTMLEqual(w.render('email', ''), '<input type="hidden" class="fun" name="email" />')
self.assertHTMLEqual(w.render('email', 'foo@example.com'), '<input type="hidden" class="fun" value="foo@example.com" name="email" />')
# 'attrs' passed to render() get precedence over those passed to the constructor:
w = HiddenInput(attrs={'class': 'pretty'})
self.assertHTMLEqual(w.render('email', '', attrs={'class': 'special'}), '<input type="hidden" class="special" name="email" />')
self.assertHTMLEqual(w.render('email', 'ŠĐĆŽćžšđ', attrs={'class': 'fun'}), '<input type="hidden" class="fun" value="\u0160\u0110\u0106\u017d\u0107\u017e\u0161\u0111" name="email" />')
# 'attrs' passed to render() get precedence over those passed to the constructor:
w = HiddenInput(attrs={'class': 'pretty'})
self.assertHTMLEqual(w.render('email', '', attrs={'class': 'special'}), '<input type="hidden" class="special" name="email" />')
# Boolean values are rendered to their string forms ("True" and "False").
w = HiddenInput()
self.assertHTMLEqual(w.render('get_spam', False), '<input type="hidden" name="get_spam" value="False" />')
self.assertHTMLEqual(w.render('get_spam', True), '<input type="hidden" name="get_spam" value="True" />')
def test_multiplehiddeninput(self):
w = MultipleHiddenInput()
self.assertHTMLEqual(w.render('email', []), '')
self.assertHTMLEqual(w.render('email', None), '')
self.assertHTMLEqual(w.render('email', ['test@example.com']), '<input type="hidden" name="email" value="test@example.com" />')
self.assertHTMLEqual(w.render('email', ['some "quoted" & ampersanded value']), '<input type="hidden" name="email" value="some &quot;quoted&quot; &amp; ampersanded value" />')
self.assertHTMLEqual(w.render('email', ['test@example.com', 'foo@example.com']), '<input type="hidden" name="email" value="test@example.com" />\n<input type="hidden" name="email" value="foo@example.com" />')
self.assertHTMLEqual(w.render('email', ['test@example.com'], attrs={'class': 'fun'}), '<input type="hidden" name="email" value="test@example.com" class="fun" />')
self.assertHTMLEqual(w.render('email', ['test@example.com', 'foo@example.com'], attrs={'class': 'fun'}), '<input type="hidden" name="email" value="test@example.com" class="fun" />\n<input type="hidden" name="email" value="foo@example.com" class="fun" />')
# You can also pass 'attrs' to the constructor:
w = MultipleHiddenInput(attrs={'class': 'fun'})
self.assertHTMLEqual(w.render('email', []), '')
self.assertHTMLEqual(w.render('email', ['foo@example.com']), '<input type="hidden" class="fun" value="foo@example.com" name="email" />')
self.assertHTMLEqual(w.render('email', ['foo@example.com', 'test@example.com']), '<input type="hidden" class="fun" value="foo@example.com" name="email" />\n<input type="hidden" class="fun" value="test@example.com" name="email" />')
# 'attrs' passed to render() get precedence over those passed to the constructor:
w = MultipleHiddenInput(attrs={'class': 'pretty'})
self.assertHTMLEqual(w.render('email', ['foo@example.com'], attrs={'class': 'special'}), '<input type="hidden" class="special" value="foo@example.com" name="email" />')
self.assertHTMLEqual(w.render('email', ['ŠĐĆŽćžšđ'], attrs={'class': 'fun'}), '<input type="hidden" class="fun" value="\u0160\u0110\u0106\u017d\u0107\u017e\u0161\u0111" name="email" />')
# 'attrs' passed to render() get precedence over those passed to the constructor:
w = MultipleHiddenInput(attrs={'class': 'pretty'})
self.assertHTMLEqual(w.render('email', ['foo@example.com'], attrs={'class': 'special'}), '<input type="hidden" class="special" value="foo@example.com" name="email" />')
# Each input gets a separate ID.
w = MultipleHiddenInput()
self.assertHTMLEqual(w.render('letters', list('abc'), attrs={'id': 'hideme'}), '<input type="hidden" name="letters" value="a" id="hideme_0" />\n<input type="hidden" name="letters" value="b" id="hideme_1" />\n<input type="hidden" name="letters" value="c" id="hideme_2" />')
def test_fileinput(self):
# FileInput widgets don't ever show the value, because the old value is of no use
# if you are updating the form or if the provided file generated an error.
w = FileInput()
self.assertHTMLEqual(w.render('email', ''), '<input type="file" name="email" />')
self.assertHTMLEqual(w.render('email', None), '<input type="file" name="email" />')
self.assertHTMLEqual(w.render('email', 'test@example.com'), '<input type="file" name="email" />')
self.assertHTMLEqual(w.render('email', 'some "quoted" & ampersanded value'), '<input type="file" name="email" />')
self.assertHTMLEqual(w.render('email', 'test@example.com', attrs={'class': 'fun'}), '<input type="file" name="email" class="fun" />')
# You can also pass 'attrs' to the constructor:
w = FileInput(attrs={'class': 'fun'})
self.assertHTMLEqual(w.render('email', ''), '<input type="file" class="fun" name="email" />')
self.assertHTMLEqual(w.render('email', 'foo@example.com'), '<input type="file" class="fun" name="email" />')
self.assertHTMLEqual(w.render('email', 'ŠĐĆŽćžšđ', attrs={'class': 'fun'}), '<input type="file" class="fun" name="email" />')
# Test for the behavior of _has_changed for FileInput. The value of data will
# more than likely come from request.FILES. The value of initial data will
# likely be a filename stored in the database. Since its value is of no use to
# a FileInput it is ignored.
w = FileInput()
# No file was uploaded and no initial data.
self.assertFalse(w._has_changed('', None))
# A file was uploaded and no initial data.
self.assertTrue(w._has_changed('', {'filename': 'resume.txt', 'content': 'My resume'}))
# A file was not uploaded, but there is initial data
self.assertFalse(w._has_changed('resume.txt', None))
# A file was uploaded and there is initial data (file identity is not dealt
# with here)
self.assertTrue(w._has_changed('resume.txt', {'filename': 'resume.txt', 'content': 'My resume'}))
def test_textarea(self):
w = Textarea()
self.assertHTMLEqual(w.render('msg', ''), '<textarea rows="10" cols="40" name="msg"></textarea>')
self.assertHTMLEqual(w.render('msg', None), '<textarea rows="10" cols="40" name="msg"></textarea>')
self.assertHTMLEqual(w.render('msg', 'value'), '<textarea rows="10" cols="40" name="msg">value</textarea>')
self.assertHTMLEqual(w.render('msg', 'some "quoted" & ampersanded value'), '<textarea rows="10" cols="40" name="msg">some &quot;quoted&quot; &amp; ampersanded value</textarea>')
self.assertHTMLEqual(w.render('msg', mark_safe('pre &quot;quoted&quot; value')), '<textarea rows="10" cols="40" name="msg">pre &quot;quoted&quot; value</textarea>')
self.assertHTMLEqual(w.render('msg', 'value', attrs={'class': 'pretty', 'rows': 20}), '<textarea class="pretty" rows="20" cols="40" name="msg">value</textarea>')
# You can also pass 'attrs' to the constructor:
w = Textarea(attrs={'class': 'pretty'})
self.assertHTMLEqual(w.render('msg', ''), '<textarea rows="10" cols="40" name="msg" class="pretty"></textarea>')
self.assertHTMLEqual(w.render('msg', 'example'), '<textarea rows="10" cols="40" name="msg" class="pretty">example</textarea>')
# 'attrs' passed to render() get precedence over those passed to the constructor:
w = Textarea(attrs={'class': 'pretty'})
self.assertHTMLEqual(w.render('msg', '', attrs={'class': 'special'}), '<textarea rows="10" cols="40" name="msg" class="special"></textarea>')
self.assertHTMLEqual(w.render('msg', 'ŠĐĆŽćžšđ', attrs={'class': 'fun'}), '<textarea rows="10" cols="40" name="msg" class="fun">\u0160\u0110\u0106\u017d\u0107\u017e\u0161\u0111</textarea>')
def test_checkboxinput(self):
w = CheckboxInput()
self.assertHTMLEqual(w.render('is_cool', ''), '<input type="checkbox" name="is_cool" />')
self.assertHTMLEqual(w.render('is_cool', None), '<input type="checkbox" name="is_cool" />')
self.assertHTMLEqual(w.render('is_cool', False), '<input type="checkbox" name="is_cool" />')
self.assertHTMLEqual(w.render('is_cool', True), '<input checked="checked" type="checkbox" name="is_cool" />')
# Using any value that's not in ('', None, False, True) will check the checkbox
# and set the 'value' attribute.
self.assertHTMLEqual(w.render('is_cool', 'foo'), '<input checked="checked" type="checkbox" name="is_cool" value="foo" />')
self.assertHTMLEqual(w.render('is_cool', False, attrs={'class': 'pretty'}), '<input type="checkbox" name="is_cool" class="pretty" />')
# regression for #17114
self.assertHTMLEqual(w.render('is_cool', 0), '<input checked="checked" type="checkbox" name="is_cool" value="0" />')
self.assertHTMLEqual(w.render('is_cool', 1), '<input checked="checked" type="checkbox" name="is_cool" value="1" />')
# You can also pass 'attrs' to the constructor:
w = CheckboxInput(attrs={'class': 'pretty'})
self.assertHTMLEqual(w.render('is_cool', ''), '<input type="checkbox" class="pretty" name="is_cool" />')
# 'attrs' passed to render() get precedence over those passed to the constructor:
w = CheckboxInput(attrs={'class': 'pretty'})
self.assertHTMLEqual(w.render('is_cool', '', attrs={'class': 'special'}), '<input type="checkbox" class="special" name="is_cool" />')
# You can pass 'check_test' to the constructor. This is a callable that takes the
# value and returns True if the box should be checked.
w = CheckboxInput(check_test=lambda value: value.startswith('hello'))
self.assertHTMLEqual(w.render('greeting', ''), '<input type="checkbox" name="greeting" />')
self.assertHTMLEqual(w.render('greeting', 'hello'), '<input checked="checked" type="checkbox" name="greeting" value="hello" />')
self.assertHTMLEqual(w.render('greeting', 'hello there'), '<input checked="checked" type="checkbox" name="greeting" value="hello there" />')
self.assertHTMLEqual(w.render('greeting', 'hello & goodbye'), '<input checked="checked" type="checkbox" name="greeting" value="hello &amp; goodbye" />')
# Ticket #17888: calling check_test shouldn't swallow exceptions
with self.assertRaises(AttributeError):
w.render('greeting', True)
# The CheckboxInput widget will return False if the key is not found in the data
# dictionary (because HTML form submission doesn't send any result for unchecked
# checkboxes).
self.assertFalse(w.value_from_datadict({}, {}, 'testing'))
self.assertFalse(w._has_changed(None, None))
self.assertFalse(w._has_changed(None, ''))
self.assertFalse(w._has_changed('', None))
self.assertFalse(w._has_changed('', ''))
self.assertTrue(w._has_changed(False, 'on'))
self.assertFalse(w._has_changed(True, 'on'))
self.assertTrue(w._has_changed(True, ''))
def test_select(self):
w = Select()
self.assertHTMLEqual(w.render('beatle', 'J', choices=(('J', 'John'), ('P', 'Paul'), ('G', 'George'), ('R', 'Ringo'))), """<select name="beatle">
<option value="J" selected="selected">John</option>
<option value="P">Paul</option>
<option value="G">George</option>
<option value="R">Ringo</option>
</select>""")
# If the value is None, none of the options are selected:
self.assertHTMLEqual(w.render('beatle', None, choices=(('J', 'John'), ('P', 'Paul'), ('G', 'George'), ('R', 'Ringo'))), """<select name="beatle">
<option value="J">John</option>
<option value="P">Paul</option>
<option value="G">George</option>
<option value="R">Ringo</option>
</select>""")
# If the value corresponds to a label (but not to an option value), none of the options are selected:
self.assertHTMLEqual(w.render('beatle', 'John', choices=(('J', 'John'), ('P', 'Paul'), ('G', 'George'), ('R', 'Ringo'))), """<select name="beatle">
<option value="J">John</option>
<option value="P">Paul</option>
<option value="G">George</option>
<option value="R">Ringo</option>
</select>""")
# Only one option can be selected, see #8103:
self.assertHTMLEqual(w.render('choices', '0', choices=(('0', '0'), ('1', '1'), ('2', '2'), ('3', '3'), ('0', 'extra'))), """<select name="choices">
<option value="0" selected="selected">0</option>
<option value="1">1</option>
<option value="2">2</option>
<option value="3">3</option>
<option value="0">extra</option>
</select>""")
# The value is compared to its str():
self.assertHTMLEqual(w.render('num', 2, choices=[('1', '1'), ('2', '2'), ('3', '3')]), """<select name="num">
<option value="1">1</option>
<option value="2" selected="selected">2</option>
<option value="3">3</option>
</select>""")
self.assertHTMLEqual(w.render('num', '2', choices=[(1, 1), (2, 2), (3, 3)]), """<select name="num">
<option value="1">1</option>
<option value="2" selected="selected">2</option>
<option value="3">3</option>
</select>""")
self.assertHTMLEqual(w.render('num', 2, choices=[(1, 1), (2, 2), (3, 3)]), """<select name="num">
<option value="1">1</option>
<option value="2" selected="selected">2</option>
<option value="3">3</option>
</select>""")
# The 'choices' argument can be any iterable:
from itertools import chain
def get_choices():
for i in range(5):
yield (i, i)
self.assertHTMLEqual(w.render('num', 2, choices=get_choices()), """<select name="num">
<option value="0">0</option>
<option value="1">1</option>
<option value="2" selected="selected">2</option>
<option value="3">3</option>
<option value="4">4</option>
</select>""")
things = ({'id': 1, 'name': 'And Boom'}, {'id': 2, 'name': 'One More Thing!'})
class SomeForm(Form):
somechoice = ChoiceField(choices=chain((('', '-'*9),), [(thing['id'], thing['name']) for thing in things]))
f = SomeForm()
self.assertHTMLEqual(f.as_table(), '<tr><th><label for="id_somechoice">Somechoice:</label></th><td><select name="somechoice" id="id_somechoice">\n<option value="" selected="selected">---------</option>\n<option value="1">And Boom</option>\n<option value="2">One More Thing!</option>\n</select></td></tr>')
self.assertHTMLEqual(f.as_table(), '<tr><th><label for="id_somechoice">Somechoice:</label></th><td><select name="somechoice" id="id_somechoice">\n<option value="" selected="selected">---------</option>\n<option value="1">And Boom</option>\n<option value="2">One More Thing!</option>\n</select></td></tr>')
f = SomeForm({'somechoice': 2})
self.assertHTMLEqual(f.as_table(), '<tr><th><label for="id_somechoice">Somechoice:</label></th><td><select name="somechoice" id="id_somechoice">\n<option value="">---------</option>\n<option value="1">And Boom</option>\n<option value="2" selected="selected">One More Thing!</option>\n</select></td></tr>')
# You can also pass 'choices' to the constructor:
w = Select(choices=[(1, 1), (2, 2), (3, 3)])
self.assertHTMLEqual(w.render('num', 2), """<select name="num">
<option value="1">1</option>
<option value="2" selected="selected">2</option>
<option value="3">3</option>
</select>""")
# If 'choices' is passed to both the constructor and render(), then they'll both be in the output:
self.assertHTMLEqual(w.render('num', 2, choices=[(4, 4), (5, 5)]), """<select name="num">
<option value="1">1</option>
<option value="2" selected="selected">2</option>
<option value="3">3</option>
<option value="4">4</option>
<option value="5">5</option>
</select>""")
# Choices are escaped correctly
self.assertHTMLEqual(w.render('escape', None, choices=(('bad', 'you & me'), ('good', mark_safe('you &gt; me')))), """<select name="escape">
<option value="1">1</option>
<option value="2">2</option>
<option value="3">3</option>
<option value="bad">you &amp; me</option>
<option value="good">you &gt; me</option>
</select>""")
# Unicode choices are correctly rendered as HTML
self.assertHTMLEqual(w.render('email', 'ŠĐĆŽćžšđ', choices=[('ŠĐĆŽćžšđ', 'ŠĐabcĆŽćžšđ'), ('ćžšđ', 'abcćžšđ')]), '<select name="email">\n<option value="1">1</option>\n<option value="2">2</option>\n<option value="3">3</option>\n<option value="\u0160\u0110\u0106\u017d\u0107\u017e\u0161\u0111" selected="selected">\u0160\u0110abc\u0106\u017d\u0107\u017e\u0161\u0111</option>\n<option value="\u0107\u017e\u0161\u0111">abc\u0107\u017e\u0161\u0111</option>\n</select>')
# If choices is passed to the constructor and is a generator, it can be iterated
# over multiple times without getting consumed:
w = Select(choices=get_choices())
self.assertHTMLEqual(w.render('num', 2), """<select name="num">
<option value="0">0</option>
<option value="1">1</option>
<option value="2" selected="selected">2</option>
<option value="3">3</option>
<option value="4">4</option>
</select>""")
self.assertHTMLEqual(w.render('num', 3), """<select name="num">
<option value="0">0</option>
<option value="1">1</option>
<option value="2">2</option>
<option value="3" selected="selected">3</option>
<option value="4">4</option>
</select>""")
# Choices can be nested one level in order to create HTML optgroups:
w.choices=(('outer1', 'Outer 1'), ('Group "1"', (('inner1', 'Inner 1'), ('inner2', 'Inner 2'))))
self.assertHTMLEqual(w.render('nestchoice', None), """<select name="nestchoice">
<option value="outer1">Outer 1</option>
<optgroup label="Group &quot;1&quot;">
<option value="inner1">Inner 1</option>
<option value="inner2">Inner 2</option>
</optgroup>
</select>""")
self.assertHTMLEqual(w.render('nestchoice', 'outer1'), """<select name="nestchoice">
<option value="outer1" selected="selected">Outer 1</option>
<optgroup label="Group &quot;1&quot;">
<option value="inner1">Inner 1</option>
<option value="inner2">Inner 2</option>
</optgroup>
</select>""")
self.assertHTMLEqual(w.render('nestchoice', 'inner1'), """<select name="nestchoice">
<option value="outer1">Outer 1</option>
<optgroup label="Group &quot;1&quot;">
<option value="inner1" selected="selected">Inner 1</option>
<option value="inner2">Inner 2</option>
</optgroup>
</select>""")
def test_nullbooleanselect(self):
w = NullBooleanSelect()
self.assertTrue(w.render('is_cool', True), """<select name="is_cool">
<option value="1">Unknown</option>
<option value="2" selected="selected">Yes</option>
<option value="3">No</option>
</select>""")
self.assertHTMLEqual(w.render('is_cool', False), """<select name="is_cool">
<option value="1">Unknown</option>
<option value="2">Yes</option>
<option value="3" selected="selected">No</option>
</select>""")
self.assertHTMLEqual(w.render('is_cool', None), """<select name="is_cool">
<option value="1" selected="selected">Unknown</option>
<option value="2">Yes</option>
<option value="3">No</option>
</select>""")
self.assertHTMLEqual(w.render('is_cool', '2'), """<select name="is_cool">
<option value="1">Unknown</option>
<option value="2" selected="selected">Yes</option>
<option value="3">No</option>
</select>""")
self.assertHTMLEqual(w.render('is_cool', '3'), """<select name="is_cool">
<option value="1">Unknown</option>
<option value="2">Yes</option>
<option value="3" selected="selected">No</option>
</select>""")
self.assertTrue(w._has_changed(False, None))
self.assertTrue(w._has_changed(None, False))
self.assertFalse(w._has_changed(None, None))
self.assertFalse(w._has_changed(False, False))
self.assertTrue(w._has_changed(True, False))
self.assertTrue(w._has_changed(True, None))
self.assertTrue(w._has_changed(True, False))
def test_selectmultiple(self):
w = SelectMultiple()
self.assertHTMLEqual(w.render('beatles', ['J'], choices=(('J', 'John'), ('P', 'Paul'), ('G', 'George'), ('R', 'Ringo'))), """<select multiple="multiple" name="beatles">
<option value="J" selected="selected">John</option>
<option value="P">Paul</option>
<option value="G">George</option>
<option value="R">Ringo</option>
</select>""")
self.assertHTMLEqual(w.render('beatles', ['J', 'P'], choices=(('J', 'John'), ('P', 'Paul'), ('G', 'George'), ('R', 'Ringo'))), """<select multiple="multiple" name="beatles">
<option value="J" selected="selected">John</option>
<option value="P" selected="selected">Paul</option>
<option value="G">George</option>
<option value="R">Ringo</option>
</select>""")
self.assertHTMLEqual(w.render('beatles', ['J', 'P', 'R'], choices=(('J', 'John'), ('P', 'Paul'), ('G', 'George'), ('R', 'Ringo'))), """<select multiple="multiple" name="beatles">
<option value="J" selected="selected">John</option>
<option value="P" selected="selected">Paul</option>
<option value="G">George</option>
<option value="R" selected="selected">Ringo</option>
</select>""")
# If the value is None, none of the options are selected:
self.assertHTMLEqual(w.render('beatles', None, choices=(('J', 'John'), ('P', 'Paul'), ('G', 'George'), ('R', 'Ringo'))), """<select multiple="multiple" name="beatles">
<option value="J">John</option>
<option value="P">Paul</option>
<option value="G">George</option>
<option value="R">Ringo</option>
</select>""")
# If the value corresponds to a label (but not to an option value), none of the options are selected:
self.assertHTMLEqual(w.render('beatles', ['John'], choices=(('J', 'John'), ('P', 'Paul'), ('G', 'George'), ('R', 'Ringo'))), """<select multiple="multiple" name="beatles">
<option value="J">John</option>
<option value="P">Paul</option>
<option value="G">George</option>
<option value="R">Ringo</option>
</select>""")
# Multiple options (with the same value) can be selected, see #8103:
self.assertHTMLEqual(w.render('choices', ['0'], choices=(('0', '0'), ('1', '1'), ('2', '2'), ('3', '3'), ('0', 'extra'))), """<select multiple="multiple" name="choices">
<option value="0" selected="selected">0</option>
<option value="1">1</option>
<option value="2">2</option>
<option value="3">3</option>
<option value="0" selected="selected">extra</option>
</select>""")
# If multiple values are given, but some of them are not valid, the valid ones are selected:
self.assertHTMLEqual(w.render('beatles', ['J', 'G', 'foo'], choices=(('J', 'John'), ('P', 'Paul'), ('G', 'George'), ('R', 'Ringo'))), """<select multiple="multiple" name="beatles">
<option value="J" selected="selected">John</option>
<option value="P">Paul</option>
<option value="G" selected="selected">George</option>
<option value="R">Ringo</option>
</select>""")
# The value is compared to its str():
self.assertHTMLEqual(w.render('nums', [2], choices=[('1', '1'), ('2', '2'), ('3', '3')]), """<select multiple="multiple" name="nums">
<option value="1">1</option>
<option value="2" selected="selected">2</option>
<option value="3">3</option>
</select>""")
self.assertHTMLEqual(w.render('nums', ['2'], choices=[(1, 1), (2, 2), (3, 3)]), """<select multiple="multiple" name="nums">
<option value="1">1</option>
<option value="2" selected="selected">2</option>
<option value="3">3</option>
</select>""")
self.assertHTMLEqual(w.render('nums', [2], choices=[(1, 1), (2, 2), (3, 3)]), """<select multiple="multiple" name="nums">
<option value="1">1</option>
<option value="2" selected="selected">2</option>
<option value="3">3</option>
</select>""")
# The 'choices' argument can be any iterable:
def get_choices():
for i in range(5):
yield (i, i)
self.assertHTMLEqual(w.render('nums', [2], choices=get_choices()), """<select multiple="multiple" name="nums">
<option value="0">0</option>
<option value="1">1</option>
<option value="2" selected="selected">2</option>
<option value="3">3</option>
<option value="4">4</option>
</select>""")
# You can also pass 'choices' to the constructor:
w = SelectMultiple(choices=[(1, 1), (2, 2), (3, 3)])
self.assertHTMLEqual(w.render('nums', [2]), """<select multiple="multiple" name="nums">
<option value="1">1</option>
<option value="2" selected="selected">2</option>
<option value="3">3</option>
</select>""")
# If 'choices' is passed to both the constructor and render(), then they'll both be in the output:
self.assertHTMLEqual(w.render('nums', [2], choices=[(4, 4), (5, 5)]), """<select multiple="multiple" name="nums">
<option value="1">1</option>
<option value="2" selected="selected">2</option>
<option value="3">3</option>
<option value="4">4</option>
<option value="5">5</option>
</select>""")
# Choices are escaped correctly
self.assertHTMLEqual(w.render('escape', None, choices=(('bad', 'you & me'), ('good', mark_safe('you &gt; me')))), """<select multiple="multiple" name="escape">
<option value="1">1</option>
<option value="2">2</option>
<option value="3">3</option>
<option value="bad">you &amp; me</option>
<option value="good">you &gt; me</option>
</select>""")
# Unicode choices are correctly rendered as HTML
self.assertHTMLEqual(w.render('nums', ['ŠĐĆŽćžšđ'], choices=[('ŠĐĆŽćžšđ', 'ŠĐabcĆŽćžšđ'), ('ćžšđ', 'abcćžšđ')]), '<select multiple="multiple" name="nums">\n<option value="1">1</option>\n<option value="2">2</option>\n<option value="3">3</option>\n<option value="\u0160\u0110\u0106\u017d\u0107\u017e\u0161\u0111" selected="selected">\u0160\u0110abc\u0106\u017d\u0107\u017e\u0161\u0111</option>\n<option value="\u0107\u017e\u0161\u0111">abc\u0107\u017e\u0161\u0111</option>\n</select>')
# Test the usage of _has_changed
self.assertFalse(w._has_changed(None, None))
self.assertFalse(w._has_changed([], None))
self.assertTrue(w._has_changed(None, ['1']))
self.assertFalse(w._has_changed([1, 2], ['1', '2']))
self.assertTrue(w._has_changed([1, 2], ['1']))
self.assertTrue(w._has_changed([1, 2], ['1', '3']))
# Choices can be nested one level in order to create HTML optgroups:
w.choices = (('outer1', 'Outer 1'), ('Group "1"', (('inner1', 'Inner 1'), ('inner2', 'Inner 2'))))
self.assertHTMLEqual(w.render('nestchoice', None), """<select multiple="multiple" name="nestchoice">
<option value="outer1">Outer 1</option>
<optgroup label="Group &quot;1&quot;">
<option value="inner1">Inner 1</option>
<option value="inner2">Inner 2</option>
</optgroup>
</select>""")
self.assertHTMLEqual(w.render('nestchoice', ['outer1']), """<select multiple="multiple" name="nestchoice">
<option value="outer1" selected="selected">Outer 1</option>
<optgroup label="Group &quot;1&quot;">
<option value="inner1">Inner 1</option>
<option value="inner2">Inner 2</option>
</optgroup>
</select>""")
self.assertHTMLEqual(w.render('nestchoice', ['inner1']), """<select multiple="multiple" name="nestchoice">
<option value="outer1">Outer 1</option>
<optgroup label="Group &quot;1&quot;">
<option value="inner1" selected="selected">Inner 1</option>
<option value="inner2">Inner 2</option>
</optgroup>
</select>""")
self.assertHTMLEqual(w.render('nestchoice', ['outer1', 'inner2']), """<select multiple="multiple" name="nestchoice">
<option value="outer1" selected="selected">Outer 1</option>
<optgroup label="Group &quot;1&quot;">
<option value="inner1">Inner 1</option>
<option value="inner2" selected="selected">Inner 2</option>
</optgroup>
</select>""")
def test_radioselect(self):
w = RadioSelect()
self.assertHTMLEqual(w.render('beatle', 'J', choices=(('J', 'John'), ('P', 'Paul'), ('G', 'George'), ('R', 'Ringo'))), """<ul>
<li><label><input checked="checked" type="radio" name="beatle" value="J" /> John</label></li>
<li><label><input type="radio" name="beatle" value="P" /> Paul</label></li>
<li><label><input type="radio" name="beatle" value="G" /> George</label></li>
<li><label><input type="radio" name="beatle" value="R" /> Ringo</label></li>
</ul>""")
# If the value is None, none of the options are checked:
self.assertHTMLEqual(w.render('beatle', None, choices=(('J', 'John'), ('P', 'Paul'), ('G', 'George'), ('R', 'Ringo'))), """<ul>
<li><label><input type="radio" name="beatle" value="J" /> John</label></li>
<li><label><input type="radio" name="beatle" value="P" /> Paul</label></li>
<li><label><input type="radio" name="beatle" value="G" /> George</label></li>
<li><label><input type="radio" name="beatle" value="R" /> Ringo</label></li>
</ul>""")
# If the value corresponds to a label (but not to an option value), none of the options are checked:
self.assertHTMLEqual(w.render('beatle', 'John', choices=(('J', 'John'), ('P', 'Paul'), ('G', 'George'), ('R', 'Ringo'))), """<ul>
<li><label><input type="radio" name="beatle" value="J" /> John</label></li>
<li><label><input type="radio" name="beatle" value="P" /> Paul</label></li>
<li><label><input type="radio" name="beatle" value="G" /> George</label></li>
<li><label><input type="radio" name="beatle" value="R" /> Ringo</label></li>
</ul>""")
# The value is compared to its str():
self.assertHTMLEqual(w.render('num', 2, choices=[('1', '1'), ('2', '2'), ('3', '3')]), """<ul>
<li><label><input type="radio" name="num" value="1" /> 1</label></li>
<li><label><input checked="checked" type="radio" name="num" value="2" /> 2</label></li>
<li><label><input type="radio" name="num" value="3" /> 3</label></li>
</ul>""")
self.assertHTMLEqual(w.render('num', '2', choices=[(1, 1), (2, 2), (3, 3)]), """<ul>
<li><label><input type="radio" name="num" value="1" /> 1</label></li>
<li><label><input checked="checked" type="radio" name="num" value="2" /> 2</label></li>
<li><label><input type="radio" name="num" value="3" /> 3</label></li>
</ul>""")
self.assertHTMLEqual(w.render('num', 2, choices=[(1, 1), (2, 2), (3, 3)]), """<ul>
<li><label><input type="radio" name="num" value="1" /> 1</label></li>
<li><label><input checked="checked" type="radio" name="num" value="2" /> 2</label></li>
<li><label><input type="radio" name="num" value="3" /> 3</label></li>
</ul>""")
# The 'choices' argument can be any iterable:
def get_choices():
for i in range(5):
yield (i, i)
self.assertHTMLEqual(w.render('num', 2, choices=get_choices()), """<ul>
<li><label><input type="radio" name="num" value="0" /> 0</label></li>
<li><label><input type="radio" name="num" value="1" /> 1</label></li>
<li><label><input checked="checked" type="radio" name="num" value="2" /> 2</label></li>
<li><label><input type="radio" name="num" value="3" /> 3</label></li>
<li><label><input type="radio" name="num" value="4" /> 4</label></li>
</ul>""")
# You can also pass 'choices' to the constructor:
w = RadioSelect(choices=[(1, 1), (2, 2), (3, 3)])
self.assertHTMLEqual(w.render('num', 2), """<ul>
<li><label><input type="radio" name="num" value="1" /> 1</label></li>
<li><label><input checked="checked" type="radio" name="num" value="2" /> 2</label></li>
<li><label><input type="radio" name="num" value="3" /> 3</label></li>
</ul>""")
# If 'choices' is passed to both the constructor and render(), then they'll both be in the output:
self.assertHTMLEqual(w.render('num', 2, choices=[(4, 4), (5, 5)]), """<ul>
<li><label><input type="radio" name="num" value="1" /> 1</label></li>
<li><label><input checked="checked" type="radio" name="num" value="2" /> 2</label></li>
<li><label><input type="radio" name="num" value="3" /> 3</label></li>
<li><label><input type="radio" name="num" value="4" /> 4</label></li>
<li><label><input type="radio" name="num" value="5" /> 5</label></li>
</ul>""")
# RadioSelect uses a RadioFieldRenderer to render the individual radio inputs.
# You can manipulate that object directly to customize the way the RadioSelect
# is rendered.
w = RadioSelect()
r = w.get_renderer('beatle', 'J', choices=(('J', 'John'), ('P', 'Paul'), ('G', 'George'), ('R', 'Ringo')))
inp_set1 = []
inp_set2 = []
inp_set3 = []
inp_set4 = []
for inp in r:
inp_set1.append(str(inp))
inp_set2.append('%s<br />' % inp)
inp_set3.append('<p>%s %s</p>' % (inp.tag(), inp.choice_label))
inp_set4.append('%s %s %s %s %s' % (inp.name, inp.value, inp.choice_value, inp.choice_label, inp.is_checked()))
self.assertHTMLEqual('\n'.join(inp_set1), """<label><input checked="checked" type="radio" name="beatle" value="J" /> John</label>
<label><input type="radio" name="beatle" value="P" /> Paul</label>
<label><input type="radio" name="beatle" value="G" /> George</label>
<label><input type="radio" name="beatle" value="R" /> Ringo</label>""")
self.assertHTMLEqual('\n'.join(inp_set2), """<label><input checked="checked" type="radio" name="beatle" value="J" /> John</label><br />
<label><input type="radio" name="beatle" value="P" /> Paul</label><br />
<label><input type="radio" name="beatle" value="G" /> George</label><br />
<label><input type="radio" name="beatle" value="R" /> Ringo</label><br />""")
self.assertHTMLEqual('\n'.join(inp_set3), """<p><input checked="checked" type="radio" name="beatle" value="J" /> John</p>
<p><input type="radio" name="beatle" value="P" /> Paul</p>
<p><input type="radio" name="beatle" value="G" /> George</p>
<p><input type="radio" name="beatle" value="R" /> Ringo</p>""")
self.assertHTMLEqual('\n'.join(inp_set4), """beatle J J John True
beatle J P Paul False
beatle J G George False
beatle J R Ringo False""")
# You can create your own custom renderers for RadioSelect to use.
class MyRenderer(RadioFieldRenderer):
def render(self):
return '<br />\n'.join([six.text_type(choice) for choice in self])
w = RadioSelect(renderer=MyRenderer)
self.assertHTMLEqual(w.render('beatle', 'G', choices=(('J', 'John'), ('P', 'Paul'), ('G', 'George'), ('R', 'Ringo'))), """<label><input type="radio" name="beatle" value="J" /> John</label><br />
<label><input type="radio" name="beatle" value="P" /> Paul</label><br />
<label><input checked="checked" type="radio" name="beatle" value="G" /> George</label><br />
<label><input type="radio" name="beatle" value="R" /> Ringo</label>""")
# Or you can use custom RadioSelect fields that use your custom renderer.
class CustomRadioSelect(RadioSelect):
renderer = MyRenderer
w = CustomRadioSelect()
self.assertHTMLEqual(w.render('beatle', 'G', choices=(('J', 'John'), ('P', 'Paul'), ('G', 'George'), ('R', 'Ringo'))), """<label><input type="radio" name="beatle" value="J" /> John</label><br />
<label><input type="radio" name="beatle" value="P" /> Paul</label><br />
<label><input checked="checked" type="radio" name="beatle" value="G" /> George</label><br />
<label><input type="radio" name="beatle" value="R" /> Ringo</label>""")
# A RadioFieldRenderer object also allows index access to individual RadioInput
w = RadioSelect()
r = w.get_renderer('beatle', 'J', choices=(('J', 'John'), ('P', 'Paul'), ('G', 'George'), ('R', 'Ringo')))
self.assertHTMLEqual(str(r[1]), '<label><input type="radio" name="beatle" value="P" /> Paul</label>')
self.assertHTMLEqual(str(r[0]), '<label><input checked="checked" type="radio" name="beatle" value="J" /> John</label>')
self.assertTrue(r[0].is_checked())
self.assertFalse(r[1].is_checked())
self.assertEqual((r[1].name, r[1].value, r[1].choice_value, r[1].choice_label), ('beatle', 'J', 'P', 'Paul'))
try:
r[10]
self.fail("This offset should not exist.")
except IndexError:
pass
# Choices are escaped correctly
w = RadioSelect()
self.assertHTMLEqual(w.render('escape', None, choices=(('bad', 'you & me'), ('good', mark_safe('you &gt; me')))), """<ul>
<li><label><input type="radio" name="escape" value="bad" /> you &amp; me</label></li>
<li><label><input type="radio" name="escape" value="good" /> you &gt; me</label></li>
</ul>""")
# Unicode choices are correctly rendered as HTML
w = RadioSelect()
self.assertHTMLEqual(six.text_type(w.render('email', 'ŠĐĆŽćžšđ', choices=[('ŠĐĆŽćžšđ', 'ŠĐabcĆŽćžšđ'), ('ćžšđ', 'abcćžšđ')])), '<ul>\n<li><label><input checked="checked" type="radio" name="email" value="\u0160\u0110\u0106\u017d\u0107\u017e\u0161\u0111" /> \u0160\u0110abc\u0106\u017d\u0107\u017e\u0161\u0111</label></li>\n<li><label><input type="radio" name="email" value="\u0107\u017e\u0161\u0111" /> abc\u0107\u017e\u0161\u0111</label></li>\n</ul>')
# Attributes provided at instantiation are passed to the constituent inputs
w = RadioSelect(attrs={'id':'foo'})
self.assertHTMLEqual(w.render('beatle', 'J', choices=(('J', 'John'), ('P', 'Paul'), ('G', 'George'), ('R', 'Ringo'))), """<ul>
<li><label for="foo_0"><input checked="checked" type="radio" id="foo_0" value="J" name="beatle" /> John</label></li>
<li><label for="foo_1"><input type="radio" id="foo_1" value="P" name="beatle" /> Paul</label></li>
<li><label for="foo_2"><input type="radio" id="foo_2" value="G" name="beatle" /> George</label></li>
<li><label for="foo_3"><input type="radio" id="foo_3" value="R" name="beatle" /> Ringo</label></li>
</ul>""")
# Attributes provided at render-time are passed to the constituent inputs
w = RadioSelect()
self.assertHTMLEqual(w.render('beatle', 'J', choices=(('J', 'John'), ('P', 'Paul'), ('G', 'George'), ('R', 'Ringo')), attrs={'id':'bar'}), """<ul>
<li><label for="bar_0"><input checked="checked" type="radio" id="bar_0" value="J" name="beatle" /> John</label></li>
<li><label for="bar_1"><input type="radio" id="bar_1" value="P" name="beatle" /> Paul</label></li>
<li><label for="bar_2"><input type="radio" id="bar_2" value="G" name="beatle" /> George</label></li>
<li><label for="bar_3"><input type="radio" id="bar_3" value="R" name="beatle" /> Ringo</label></li>
</ul>""")
def test_checkboxselectmultiple(self):
w = CheckboxSelectMultiple()
self.assertHTMLEqual(w.render('beatles', ['J'], choices=(('J', 'John'), ('P', 'Paul'), ('G', 'George'), ('R', 'Ringo'))), """<ul>
<li><label><input checked="checked" type="checkbox" name="beatles" value="J" /> John</label></li>
<li><label><input type="checkbox" name="beatles" value="P" /> Paul</label></li>
<li><label><input type="checkbox" name="beatles" value="G" /> George</label></li>
<li><label><input type="checkbox" name="beatles" value="R" /> Ringo</label></li>
</ul>""")
self.assertHTMLEqual(w.render('beatles', ['J', 'P'], choices=(('J', 'John'), ('P', 'Paul'), ('G', 'George'), ('R', 'Ringo'))), """<ul>
<li><label><input checked="checked" type="checkbox" name="beatles" value="J" /> John</label></li>
<li><label><input checked="checked" type="checkbox" name="beatles" value="P" /> Paul</label></li>
<li><label><input type="checkbox" name="beatles" value="G" /> George</label></li>
<li><label><input type="checkbox" name="beatles" value="R" /> Ringo</label></li>
</ul>""")
self.assertHTMLEqual(w.render('beatles', ['J', 'P', 'R'], choices=(('J', 'John'), ('P', 'Paul'), ('G', 'George'), ('R', 'Ringo'))), """<ul>
<li><label><input checked="checked" type="checkbox" name="beatles" value="J" /> John</label></li>
<li><label><input checked="checked" type="checkbox" name="beatles" value="P" /> Paul</label></li>
<li><label><input type="checkbox" name="beatles" value="G" /> George</label></li>
<li><label><input checked="checked" type="checkbox" name="beatles" value="R" /> Ringo</label></li>
</ul>""")
# If the value is None, none of the options are selected:
self.assertHTMLEqual(w.render('beatles', None, choices=(('J', 'John'), ('P', 'Paul'), ('G', 'George'), ('R', 'Ringo'))), """<ul>
<li><label><input type="checkbox" name="beatles" value="J" /> John</label></li>
<li><label><input type="checkbox" name="beatles" value="P" /> Paul</label></li>
<li><label><input type="checkbox" name="beatles" value="G" /> George</label></li>
<li><label><input type="checkbox" name="beatles" value="R" /> Ringo</label></li>
</ul>""")
# If the value corresponds to a label (but not to an option value), none of the options are selected:
self.assertHTMLEqual(w.render('beatles', ['John'], choices=(('J', 'John'), ('P', 'Paul'), ('G', 'George'), ('R', 'Ringo'))), """<ul>
<li><label><input type="checkbox" name="beatles" value="J" /> John</label></li>
<li><label><input type="checkbox" name="beatles" value="P" /> Paul</label></li>
<li><label><input type="checkbox" name="beatles" value="G" /> George</label></li>
<li><label><input type="checkbox" name="beatles" value="R" /> Ringo</label></li>
</ul>""")
# If multiple values are given, but some of them are not valid, the valid ones are selected:
self.assertHTMLEqual(w.render('beatles', ['J', 'G', 'foo'], choices=(('J', 'John'), ('P', 'Paul'), ('G', 'George'), ('R', 'Ringo'))), """<ul>
<li><label><input checked="checked" type="checkbox" name="beatles" value="J" /> John</label></li>
<li><label><input type="checkbox" name="beatles" value="P" /> Paul</label></li>
<li><label><input checked="checked" type="checkbox" name="beatles" value="G" /> George</label></li>
<li><label><input type="checkbox" name="beatles" value="R" /> Ringo</label></li>
</ul>""")
# The value is compared to its str():
self.assertHTMLEqual(w.render('nums', [2], choices=[('1', '1'), ('2', '2'), ('3', '3')]), """<ul>
<li><label><input type="checkbox" name="nums" value="1" /> 1</label></li>
<li><label><input checked="checked" type="checkbox" name="nums" value="2" /> 2</label></li>
<li><label><input type="checkbox" name="nums" value="3" /> 3</label></li>
</ul>""")
self.assertHTMLEqual(w.render('nums', ['2'], choices=[(1, 1), (2, 2), (3, 3)]), """<ul>
<li><label><input type="checkbox" name="nums" value="1" /> 1</label></li>
<li><label><input checked="checked" type="checkbox" name="nums" value="2" /> 2</label></li>
<li><label><input type="checkbox" name="nums" value="3" /> 3</label></li>
</ul>""")
self.assertHTMLEqual(w.render('nums', [2], choices=[(1, 1), (2, 2), (3, 3)]), """<ul>
<li><label><input type="checkbox" name="nums" value="1" /> 1</label></li>
<li><label><input checked="checked" type="checkbox" name="nums" value="2" /> 2</label></li>
<li><label><input type="checkbox" name="nums" value="3" /> 3</label></li>
</ul>""")
# The 'choices' argument can be any iterable:
def get_choices():
for i in range(5):
yield (i, i)
self.assertHTMLEqual(w.render('nums', [2], choices=get_choices()), """<ul>
<li><label><input type="checkbox" name="nums" value="0" /> 0</label></li>
<li><label><input type="checkbox" name="nums" value="1" /> 1</label></li>
<li><label><input checked="checked" type="checkbox" name="nums" value="2" /> 2</label></li>
<li><label><input type="checkbox" name="nums" value="3" /> 3</label></li>
<li><label><input type="checkbox" name="nums" value="4" /> 4</label></li>
</ul>""")
# You can also pass 'choices' to the constructor:
w = CheckboxSelectMultiple(choices=[(1, 1), (2, 2), (3, 3)])
self.assertHTMLEqual(w.render('nums', [2]), """<ul>
<li><label><input type="checkbox" name="nums" value="1" /> 1</label></li>
<li><label><input checked="checked" type="checkbox" name="nums" value="2" /> 2</label></li>
<li><label><input type="checkbox" name="nums" value="3" /> 3</label></li>
</ul>""")
# If 'choices' is passed to both the constructor and render(), then they'll both be in the output:
self.assertHTMLEqual(w.render('nums', [2], choices=[(4, 4), (5, 5)]), """<ul>
<li><label><input type="checkbox" name="nums" value="1" /> 1</label></li>
<li><label><input checked="checked" type="checkbox" name="nums" value="2" /> 2</label></li>
<li><label><input type="checkbox" name="nums" value="3" /> 3</label></li>
<li><label><input type="checkbox" name="nums" value="4" /> 4</label></li>
<li><label><input type="checkbox" name="nums" value="5" /> 5</label></li>
</ul>""")
# Choices are escaped correctly
self.assertHTMLEqual(w.render('escape', None, choices=(('bad', 'you & me'), ('good', mark_safe('you &gt; me')))), """<ul>
<li><label><input type="checkbox" name="escape" value="1" /> 1</label></li>
<li><label><input type="checkbox" name="escape" value="2" /> 2</label></li>
<li><label><input type="checkbox" name="escape" value="3" /> 3</label></li>
<li><label><input type="checkbox" name="escape" value="bad" /> you &amp; me</label></li>
<li><label><input type="checkbox" name="escape" value="good" /> you &gt; me</label></li>
</ul>""")
# Test the usage of _has_changed
self.assertFalse(w._has_changed(None, None))
self.assertFalse(w._has_changed([], None))
self.assertTrue(w._has_changed(None, ['1']))
self.assertFalse(w._has_changed([1, 2], ['1', '2']))
self.assertTrue(w._has_changed([1, 2], ['1']))
self.assertTrue(w._has_changed([1, 2], ['1', '3']))
self.assertFalse(w._has_changed([2, 1], ['1', '2']))
# Unicode choices are correctly rendered as HTML
self.assertHTMLEqual(w.render('nums', ['ŠĐĆŽćžšđ'], choices=[('ŠĐĆŽćžšđ', 'ŠĐabcĆŽćžšđ'), ('ćžšđ', 'abcćžšđ')]), '<ul>\n<li><label><input type="checkbox" name="nums" value="1" /> 1</label></li>\n<li><label><input type="checkbox" name="nums" value="2" /> 2</label></li>\n<li><label><input type="checkbox" name="nums" value="3" /> 3</label></li>\n<li><label><input checked="checked" type="checkbox" name="nums" value="\u0160\u0110\u0106\u017d\u0107\u017e\u0161\u0111" /> \u0160\u0110abc\u0106\u017d\u0107\u017e\u0161\u0111</label></li>\n<li><label><input type="checkbox" name="nums" value="\u0107\u017e\u0161\u0111" /> abc\u0107\u017e\u0161\u0111</label></li>\n</ul>')
# Each input gets a separate ID
self.assertHTMLEqual(CheckboxSelectMultiple().render('letters', list('ac'), choices=zip(list('abc'), list('ABC')), attrs={'id': 'abc'}), """<ul>
<li><label for="abc_0"><input checked="checked" type="checkbox" name="letters" value="a" id="abc_0" /> A</label></li>
<li><label for="abc_1"><input type="checkbox" name="letters" value="b" id="abc_1" /> B</label></li>
<li><label for="abc_2"><input checked="checked" type="checkbox" name="letters" value="c" id="abc_2" /> C</label></li>
</ul>""")
def test_multi(self):
class MyMultiWidget(MultiWidget):
def decompress(self, value):
if value:
return value.split('__')
return ['', '']
def format_output(self, rendered_widgets):
return '<br />'.join(rendered_widgets)
w = MyMultiWidget(widgets=(TextInput(attrs={'class': 'big'}), TextInput(attrs={'class': 'small'})))
self.assertHTMLEqual(w.render('name', ['john', 'lennon']), '<input type="text" class="big" value="john" name="name_0" /><br /><input type="text" class="small" value="lennon" name="name_1" />')
self.assertHTMLEqual(w.render('name', 'john__lennon'), '<input type="text" class="big" value="john" name="name_0" /><br /><input type="text" class="small" value="lennon" name="name_1" />')
self.assertHTMLEqual(w.render('name', 'john__lennon', attrs={'id':'foo'}), '<input id="foo_0" type="text" class="big" value="john" name="name_0" /><br /><input id="foo_1" type="text" class="small" value="lennon" name="name_1" />')
w = MyMultiWidget(widgets=(TextInput(attrs={'class': 'big'}), TextInput(attrs={'class': 'small'})), attrs={'id': 'bar'})
self.assertHTMLEqual(w.render('name', ['john', 'lennon']), '<input id="bar_0" type="text" class="big" value="john" name="name_0" /><br /><input id="bar_1" type="text" class="small" value="lennon" name="name_1" />')
w = MyMultiWidget(widgets=(TextInput(), TextInput()))
# test with no initial data
self.assertTrue(w._has_changed(None, ['john', 'lennon']))
# test when the data is the same as initial
self.assertFalse(w._has_changed('john__lennon', ['john', 'lennon']))
# test when the first widget's data has changed
self.assertTrue(w._has_changed('john__lennon', ['alfred', 'lennon']))
# test when the last widget's data has changed. this ensures that it is not
# short circuiting while testing the widgets.
self.assertTrue(w._has_changed('john__lennon', ['john', 'denver']))
def test_splitdatetime(self):
w = SplitDateTimeWidget()
self.assertHTMLEqual(w.render('date', ''), '<input type="text" name="date_0" /><input type="text" name="date_1" />')
self.assertHTMLEqual(w.render('date', None), '<input type="text" name="date_0" /><input type="text" name="date_1" />')
self.assertHTMLEqual(w.render('date', datetime.datetime(2006, 1, 10, 7, 30)), '<input type="text" name="date_0" value="2006-01-10" /><input type="text" name="date_1" value="07:30:00" />')
self.assertHTMLEqual(w.render('date', [datetime.date(2006, 1, 10), datetime.time(7, 30)]), '<input type="text" name="date_0" value="2006-01-10" /><input type="text" name="date_1" value="07:30:00" />')
# You can also pass 'attrs' to the constructor. In this case, the attrs will be
w = SplitDateTimeWidget(attrs={'class': 'pretty'})
self.assertHTMLEqual(w.render('date', datetime.datetime(2006, 1, 10, 7, 30)), '<input type="text" class="pretty" value="2006-01-10" name="date_0" /><input type="text" class="pretty" value="07:30:00" name="date_1" />')
# Use 'date_format' and 'time_format' to change the way a value is displayed.
w = SplitDateTimeWidget(date_format='%d/%m/%Y', time_format='%H:%M')
self.assertHTMLEqual(w.render('date', datetime.datetime(2006, 1, 10, 7, 30)), '<input type="text" name="date_0" value="10/01/2006" /><input type="text" name="date_1" value="07:30" />')
self.assertTrue(w._has_changed(datetime.datetime(2008, 5, 6, 12, 40, 00), ['2008-05-06', '12:40:00']))
self.assertFalse(w._has_changed(datetime.datetime(2008, 5, 6, 12, 40, 00), ['06/05/2008', '12:40']))
self.assertTrue(w._has_changed(datetime.datetime(2008, 5, 6, 12, 40, 00), ['06/05/2008', '12:41']))
def test_datetimeinput(self):
w = DateTimeInput()
self.assertHTMLEqual(w.render('date', None), '<input type="text" name="date" />')
d = datetime.datetime(2007, 9, 17, 12, 51, 34, 482548)
self.assertEqual(str(d), '2007-09-17 12:51:34.482548')
# The microseconds are trimmed on display, by default.
self.assertHTMLEqual(w.render('date', d), '<input type="text" name="date" value="2007-09-17 12:51:34" />')
self.assertHTMLEqual(w.render('date', datetime.datetime(2007, 9, 17, 12, 51, 34)), '<input type="text" name="date" value="2007-09-17 12:51:34" />')
self.assertHTMLEqual(w.render('date', datetime.datetime(2007, 9, 17, 12, 51)), '<input type="text" name="date" value="2007-09-17 12:51:00" />')
# Use 'format' to change the way a value is displayed.
w = DateTimeInput(format='%d/%m/%Y %H:%M', attrs={'type': 'datetime'})
self.assertHTMLEqual(w.render('date', d), '<input type="datetime" name="date" value="17/09/2007 12:51" />')
self.assertFalse(w._has_changed(d, '17/09/2007 12:51'))
# Make sure a custom format works with _has_changed. The hidden input will use
data = datetime.datetime(2010, 3, 6, 12, 0, 0)
custom_format = '%d.%m.%Y %H:%M'
w = DateTimeInput(format=custom_format)
self.assertFalse(w._has_changed(formats.localize_input(data), data.strftime(custom_format)))
def test_dateinput(self):
w = DateInput()
self.assertHTMLEqual(w.render('date', None), '<input type="text" name="date" />')
d = datetime.date(2007, 9, 17)
self.assertEqual(str(d), '2007-09-17')
self.assertHTMLEqual(w.render('date', d), '<input type="text" name="date" value="2007-09-17" />')
self.assertHTMLEqual(w.render('date', datetime.date(2007, 9, 17)), '<input type="text" name="date" value="2007-09-17" />')
# We should be able to initialize from a unicode value.
self.assertHTMLEqual(w.render('date', '2007-09-17'), '<input type="text" name="date" value="2007-09-17" />')
# Use 'format' to change the way a value is displayed.
w = DateInput(format='%d/%m/%Y', attrs={'type': 'date'})
self.assertHTMLEqual(w.render('date', d), '<input type="date" name="date" value="17/09/2007" />')
self.assertFalse(w._has_changed(d, '17/09/2007'))
# Make sure a custom format works with _has_changed. The hidden input will use
data = datetime.date(2010, 3, 6)
custom_format = '%d.%m.%Y'
w = DateInput(format=custom_format)
self.assertFalse(w._has_changed(formats.localize_input(data), data.strftime(custom_format)))
def test_timeinput(self):
w = TimeInput()
self.assertHTMLEqual(w.render('time', None), '<input type="text" name="time" />')
t = datetime.time(12, 51, 34, 482548)
self.assertEqual(str(t), '12:51:34.482548')
# The microseconds are trimmed on display, by default.
self.assertHTMLEqual(w.render('time', t), '<input type="text" name="time" value="12:51:34" />')
self.assertHTMLEqual(w.render('time', datetime.time(12, 51, 34)), '<input type="text" name="time" value="12:51:34" />')
self.assertHTMLEqual(w.render('time', datetime.time(12, 51)), '<input type="text" name="time" value="12:51:00" />')
# We should be able to initialize from a unicode value.
self.assertHTMLEqual(w.render('time', '13:12:11'), '<input type="text" name="time" value="13:12:11" />')
# Use 'format' to change the way a value is displayed.
w = TimeInput(format='%H:%M', attrs={'type': 'time'})
self.assertHTMLEqual(w.render('time', t), '<input type="time" name="time" value="12:51" />')
self.assertFalse(w._has_changed(t, '12:51'))
# Make sure a custom format works with _has_changed. The hidden input will use
data = datetime.time(13, 0)
custom_format = '%I:%M %p'
w = TimeInput(format=custom_format)
self.assertFalse(w._has_changed(formats.localize_input(data), data.strftime(custom_format)))
def test_splithiddendatetime(self):
from django.forms.widgets import SplitHiddenDateTimeWidget
w = SplitHiddenDateTimeWidget()
self.assertHTMLEqual(w.render('date', ''), '<input type="hidden" name="date_0" /><input type="hidden" name="date_1" />')
d = datetime.datetime(2007, 9, 17, 12, 51, 34, 482548)
self.assertHTMLEqual(str(d), '2007-09-17 12:51:34.482548')
self.assertHTMLEqual(w.render('date', d), '<input type="hidden" name="date_0" value="2007-09-17" /><input type="hidden" name="date_1" value="12:51:34" />')
self.assertHTMLEqual(w.render('date', datetime.datetime(2007, 9, 17, 12, 51, 34)), '<input type="hidden" name="date_0" value="2007-09-17" /><input type="hidden" name="date_1" value="12:51:34" />')
self.assertHTMLEqual(w.render('date', datetime.datetime(2007, 9, 17, 12, 51)), '<input type="hidden" name="date_0" value="2007-09-17" /><input type="hidden" name="date_1" value="12:51:00" />')
class NullBooleanSelectLazyForm(Form):
"""Form to test for lazy evaluation. Refs #17190"""
bool = BooleanField(widget=NullBooleanSelect())
class FormsI18NWidgetsTestCase(TestCase):
def setUp(self):
super(FormsI18NWidgetsTestCase, self).setUp()
self.old_use_l10n = getattr(settings, 'USE_L10N', False)
settings.USE_L10N = True
activate('de-at')
def tearDown(self):
deactivate()
settings.USE_L10N = self.old_use_l10n
super(FormsI18NWidgetsTestCase, self).tearDown()
def test_splitdatetime(self):
w = SplitDateTimeWidget(date_format='%d/%m/%Y', time_format='%H:%M')
self.assertTrue(w._has_changed(datetime.datetime(2008, 5, 6, 12, 40, 00), ['06.05.2008', '12:41']))
def test_datetimeinput(self):
w = DateTimeInput()
d = datetime.datetime(2007, 9, 17, 12, 51, 34, 482548)
w.is_localized = True
self.assertHTMLEqual(w.render('date', d), '<input type="text" name="date" value="17.09.2007 12:51:34" />')
def test_dateinput(self):
w = DateInput()
d = datetime.date(2007, 9, 17)
w.is_localized = True
self.assertHTMLEqual(w.render('date', d), '<input type="text" name="date" value="17.09.2007" />')
def test_timeinput(self):
w = TimeInput()
t = datetime.time(12, 51, 34, 482548)
w.is_localized = True
self.assertHTMLEqual(w.render('time', t), '<input type="text" name="time" value="12:51:34" />')
def test_splithiddendatetime(self):
from django.forms.widgets import SplitHiddenDateTimeWidget
w = SplitHiddenDateTimeWidget()
w.is_localized = True
self.assertHTMLEqual(w.render('date', datetime.datetime(2007, 9, 17, 12, 51)), '<input type="hidden" name="date_0" value="17.09.2007" /><input type="hidden" name="date_1" value="12:51:00" />')
def test_nullbooleanselect(self):
"""
Ensure that the NullBooleanSelect widget's options are lazily
localized.
Refs #17190
"""
f = NullBooleanSelectLazyForm()
self.assertHTMLEqual(f.fields['bool'].widget.render('id_bool', True), '<select name="id_bool">\n<option value="1">Unbekannt</option>\n<option value="2" selected="selected">Ja</option>\n<option value="3">Nein</option>\n</select>')
class SelectAndTextWidget(MultiWidget):
"""
MultiWidget subclass
"""
def __init__(self, choices=[]):
widgets = [
RadioSelect(choices=choices),
TextInput
]
super(SelectAndTextWidget, self).__init__(widgets)
def _set_choices(self, choices):
"""
When choices are set for this widget, we want to pass those along to the Select widget
"""
self.widgets[0].choices = choices
def _get_choices(self):
"""
The choices for this widget are the Select widget's choices
"""
return self.widgets[0].choices
choices = property(_get_choices, _set_choices)
class WidgetTests(TestCase):
def test_12048(self):
# See ticket #12048.
w1 = SelectAndTextWidget(choices=[1,2,3])
w2 = copy.deepcopy(w1)
w2.choices = [4,5,6]
# w2 ought to be independent of w1, since MultiWidget ought
# to make a copy of its sub-widgets when it is copied.
self.assertEqual(w1.choices, [1,2,3])
def test_13390(self):
# See ticket #13390
class SplitDateForm(Form):
field = DateTimeField(widget=SplitDateTimeWidget, required=False)
form = SplitDateForm({'field': ''})
self.assertTrue(form.is_valid())
form = SplitDateForm({'field': ['', '']})
self.assertTrue(form.is_valid())
class SplitDateRequiredForm(Form):
field = DateTimeField(widget=SplitDateTimeWidget, required=True)
form = SplitDateRequiredForm({'field': ''})
self.assertFalse(form.is_valid())
form = SplitDateRequiredForm({'field': ['', '']})
self.assertFalse(form.is_valid())
@python_2_unicode_compatible
class FakeFieldFile(object):
"""
Quacks like a FieldFile (has a .url and unicode representation), but
doesn't require us to care about storages etc.
"""
url = 'something'
def __str__(self):
return self.url
class ClearableFileInputTests(TestCase):
def test_clear_input_renders(self):
"""
A ClearableFileInput with is_required False and rendered with
an initial value that is a file renders a clear checkbox.
"""
widget = ClearableFileInput()
widget.is_required = False
self.assertHTMLEqual(widget.render('myfile', FakeFieldFile()),
'Currently: <a href="something">something</a> <input type="checkbox" name="myfile-clear" id="myfile-clear_id" /> <label for="myfile-clear_id">Clear</label><br />Change: <input type="file" name="myfile" />')
def test_html_escaped(self):
"""
A ClearableFileInput should escape name, filename and URL when
rendering HTML. Refs #15182.
"""
@python_2_unicode_compatible
class StrangeFieldFile(object):
url = "something?chapter=1&sect=2&copy=3&lang=en"
def __str__(self):
return '''something<div onclick="alert('oops')">.jpg'''
widget = ClearableFileInput()
field = StrangeFieldFile()
output = widget.render('my<div>file', field)
self.assertFalse(field.url in output)
self.assertTrue('href="something?chapter=1&amp;sect=2&amp;copy=3&amp;lang=en"' in output)
self.assertFalse(six.text_type(field) in output)
self.assertTrue('something&lt;div onclick=&quot;alert(&#39;oops&#39;)&quot;&gt;.jpg' in output)
self.assertTrue('my&lt;div&gt;file' in output)
self.assertFalse('my<div>file' in output)
def test_clear_input_renders_only_if_not_required(self):
"""
A ClearableFileInput with is_required=False does not render a clear
checkbox.
"""
widget = ClearableFileInput()
widget.is_required = True
self.assertHTMLEqual(widget.render('myfile', FakeFieldFile()),
'Currently: <a href="something">something</a> <br />Change: <input type="file" name="myfile" />')
def test_clear_input_renders_only_if_initial(self):
"""
A ClearableFileInput instantiated with no initial value does not render
a clear checkbox.
"""
widget = ClearableFileInput()
widget.is_required = False
self.assertHTMLEqual(widget.render('myfile', None),
'<input type="file" name="myfile" />')
def test_clear_input_checked_returns_false(self):
"""
ClearableFileInput.value_from_datadict returns False if the clear
checkbox is checked, if not required.
"""
widget = ClearableFileInput()
widget.is_required = False
self.assertEqual(widget.value_from_datadict(
data={'myfile-clear': True},
files={},
name='myfile'), False)
def test_clear_input_checked_returns_false_only_if_not_required(self):
"""
ClearableFileInput.value_from_datadict never returns False if the field
is required.
"""
widget = ClearableFileInput()
widget.is_required = True
f = SimpleUploadedFile('something.txt', b'content')
self.assertEqual(widget.value_from_datadict(
data={'myfile-clear': True},
files={'myfile': f},
name='myfile'), f)