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388 lines
14 KiB
Python
388 lines
14 KiB
Python
import copy
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import datetime
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from django.forms import Select
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from django.test import override_settings
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from django.utils.safestring import mark_safe
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from .base import WidgetTest
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class SelectTest(WidgetTest):
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widget = Select
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nested_widget = Select(choices=(
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('outer1', 'Outer 1'),
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('Group "1"', (('inner1', 'Inner 1'), ('inner2', 'Inner 2'))),
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))
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def test_render(self):
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self.check_html(self.widget(choices=self.beatles), 'beatle', 'J', html=(
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"""<select name="beatle">
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<option value="J" selected>John</option>
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<option value="P">Paul</option>
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<option value="G">George</option>
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<option value="R">Ringo</option>
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</select>"""
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))
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def test_render_none(self):
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"""
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If the value is None, none of the options are selected.
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"""
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self.check_html(self.widget(choices=self.beatles), 'beatle', None, html=(
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"""<select name="beatle">
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<option value="J">John</option>
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<option value="P">Paul</option>
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<option value="G">George</option>
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<option value="R">Ringo</option>
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</select>"""
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))
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def test_render_label_value(self):
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"""
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If the value corresponds to a label (but not to an option value), none
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of the options are selected.
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"""
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self.check_html(self.widget(choices=self.beatles), 'beatle', 'John', html=(
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"""<select name="beatle">
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<option value="J">John</option>
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<option value="P">Paul</option>
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<option value="G">George</option>
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<option value="R">Ringo</option>
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</select>"""
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))
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def test_render_selected(self):
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"""
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Only one option can be selected (#8103).
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"""
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choices = [('0', '0'), ('1', '1'), ('2', '2'), ('3', '3'), ('0', 'extra')]
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self.check_html(self.widget(choices=choices), 'choices', '0', html=(
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"""<select name="choices">
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<option value="0" selected>0</option>
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<option value="1">1</option>
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<option value="2">2</option>
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<option value="3">3</option>
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<option value="0">extra</option>
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</select>"""
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))
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def test_constructor_attrs(self):
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"""
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Select options shouldn't inherit the parent widget attrs.
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"""
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widget = Select(
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attrs={'class': 'super', 'id': 'super'},
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choices=[(1, 1), (2, 2), (3, 3)],
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)
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self.check_html(widget, 'num', 2, html=(
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"""<select name="num" class="super" id="super">
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<option value="1">1</option>
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<option value="2" selected>2</option>
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<option value="3">3</option>
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</select>"""
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))
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def test_compare_to_str(self):
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"""
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The value is compared to its str().
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"""
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self.check_html(
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self.widget(choices=[('1', '1'), ('2', '2'), ('3', '3')]),
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'num', 2,
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html=(
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"""<select name="num">
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<option value="1">1</option>
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<option value="2" selected>2</option>
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<option value="3">3</option>
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</select>"""
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),
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)
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self.check_html(
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self.widget(choices=[(1, 1), (2, 2), (3, 3)]),
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'num', '2',
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html=(
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"""<select name="num">
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<option value="1">1</option>
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<option value="2" selected>2</option>
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<option value="3">3</option>
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</select>"""
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),
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)
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self.check_html(
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self.widget(choices=[(1, 1), (2, 2), (3, 3)]),
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'num', 2,
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html=(
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"""<select name="num">
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<option value="1">1</option>
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<option value="2" selected>2</option>
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<option value="3">3</option>
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</select>"""
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),
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)
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def test_choices_constuctor(self):
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widget = Select(choices=[(1, 1), (2, 2), (3, 3)])
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self.check_html(widget, 'num', 2, html=(
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"""<select name="num">
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<option value="1">1</option>
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<option value="2" selected>2</option>
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<option value="3">3</option>
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</select>"""
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))
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def test_choices_constructor_generator(self):
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"""
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If choices is passed to the constructor and is a generator, it can be
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iterated over multiple times without getting consumed.
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"""
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def get_choices():
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for i in range(5):
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yield (i, i)
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widget = Select(choices=get_choices())
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self.check_html(widget, 'num', 2, html=(
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"""<select name="num">
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<option value="0">0</option>
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<option value="1">1</option>
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<option value="2" selected>2</option>
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<option value="3">3</option>
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<option value="4">4</option>
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</select>"""
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))
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self.check_html(widget, 'num', 3, html=(
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"""<select name="num">
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<option value="0">0</option>
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<option value="1">1</option>
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<option value="2">2</option>
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<option value="3" selected>3</option>
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<option value="4">4</option>
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</select>"""
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))
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def test_choices_escaping(self):
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choices = (('bad', 'you & me'), ('good', mark_safe('you > me')))
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self.check_html(self.widget(choices=choices), 'escape', None, html=(
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"""<select name="escape">
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<option value="bad">you & me</option>
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<option value="good">you > me</option>
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</select>"""
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))
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def test_choices_unicode(self):
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self.check_html(
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self.widget(choices=[('ŠĐĆŽćžšđ', 'ŠĐabcĆŽćžšđ'), ('ćžšđ', 'abcćžšđ')]),
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'email', 'ŠĐĆŽćžšđ',
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html=(
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"""<select name="email">
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<option value="\u0160\u0110\u0106\u017d\u0107\u017e\u0161\u0111" selected>
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\u0160\u0110abc\u0106\u017d\u0107\u017e\u0161\u0111
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</option>
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<option value="\u0107\u017e\u0161\u0111">abc\u0107\u017e\u0161\u0111</option>
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</select>"""
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),
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)
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def test_choices_optgroup(self):
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"""
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Choices can be nested one level in order to create HTML optgroups.
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"""
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self.check_html(self.nested_widget, 'nestchoice', None, html=(
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"""<select name="nestchoice">
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<option value="outer1">Outer 1</option>
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<optgroup label="Group "1"">
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<option value="inner1">Inner 1</option>
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<option value="inner2">Inner 2</option>
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</optgroup>
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</select>"""
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))
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def test_choices_select_outer(self):
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self.check_html(self.nested_widget, 'nestchoice', 'outer1', html=(
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"""<select name="nestchoice">
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<option value="outer1" selected>Outer 1</option>
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<optgroup label="Group "1"">
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<option value="inner1">Inner 1</option>
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<option value="inner2">Inner 2</option>
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</optgroup>
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</select>"""
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))
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def test_choices_select_inner(self):
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self.check_html(self.nested_widget, 'nestchoice', 'inner1', html=(
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"""<select name="nestchoice">
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<option value="outer1">Outer 1</option>
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<optgroup label="Group "1"">
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<option value="inner1" selected>Inner 1</option>
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<option value="inner2">Inner 2</option>
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</optgroup>
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</select>"""
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))
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@override_settings(USE_L10N=True, USE_THOUSAND_SEPARATOR=True)
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def test_doesnt_localize_option_value(self):
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choices = [
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(1, 'One'),
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(1000, 'One thousand'),
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(1000000, 'One million'),
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]
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html = """
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<select name="number">
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<option value="1">One</option>
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<option value="1000">One thousand</option>
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<option value="1000000">One million</option>
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</select>
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"""
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self.check_html(self.widget(choices=choices), 'number', None, html=html)
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choices = [
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(datetime.time(0, 0), 'midnight'),
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(datetime.time(12, 0), 'noon'),
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]
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html = """
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<select name="time">
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<option value="00:00:00">midnight</option>
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<option value="12:00:00">noon</option>
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</select>
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"""
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self.check_html(self.widget(choices=choices), 'time', None, html=html)
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def test_options(self):
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options = list(self.widget(choices=self.beatles).options(
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'name', ['J'], attrs={'class': 'super'},
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))
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self.assertEqual(len(options), 4)
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self.assertEqual(options[0]['name'], 'name')
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self.assertEqual(options[0]['value'], 'J')
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self.assertEqual(options[0]['label'], 'John')
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self.assertEqual(options[0]['index'], '0')
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self.assertEqual(options[0]['selected'], True)
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# Template-related attributes
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self.assertEqual(options[1]['name'], 'name')
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self.assertEqual(options[1]['value'], 'P')
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self.assertEqual(options[1]['label'], 'Paul')
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self.assertEqual(options[1]['index'], '1')
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self.assertEqual(options[1]['selected'], False)
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def test_optgroups(self):
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choices = [
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('Audio', [
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('vinyl', 'Vinyl'),
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('cd', 'CD'),
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]),
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('Video', [
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('vhs', 'VHS Tape'),
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('dvd', 'DVD'),
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]),
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('unknown', 'Unknown'),
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]
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groups = list(self.widget(choices=choices).optgroups(
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'name', ['vhs'], attrs={'class': 'super'},
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))
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audio, video, unknown = groups
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label, options, index = audio
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self.assertEqual(label, 'Audio')
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self.assertEqual(
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options,
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[{
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'value': 'vinyl',
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'type': 'select',
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'attrs': {},
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'index': '0_0',
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'label': 'Vinyl',
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'template_name': 'django/forms/widgets/select_option.html',
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'name': 'name',
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'selected': False,
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}, {
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'value': 'cd',
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'type': 'select',
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'attrs': {},
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'index': '0_1',
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'label': 'CD',
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'template_name': 'django/forms/widgets/select_option.html',
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'name': 'name',
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'selected': False,
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}]
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)
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self.assertEqual(index, 0)
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label, options, index = video
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self.assertEqual(label, 'Video')
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self.assertEqual(
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options,
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[{
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'value': 'vhs',
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'template_name': 'django/forms/widgets/select_option.html',
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'label': 'VHS Tape',
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'attrs': {'selected': True},
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'index': '1_0',
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'name': 'name',
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'selected': True,
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'type': 'select',
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}, {
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'value': 'dvd',
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'template_name': 'django/forms/widgets/select_option.html',
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'label': 'DVD',
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'attrs': {},
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'index': '1_1',
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'name': 'name',
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'selected': False,
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'type': 'select',
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}]
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)
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self.assertEqual(index, 1)
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label, options, index = unknown
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self.assertEqual(label, None)
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self.assertEqual(
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options,
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[{
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'value': 'unknown',
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'selected': False,
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'template_name': 'django/forms/widgets/select_option.html',
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'label': 'Unknown',
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'attrs': {},
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'index': '2',
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'name': 'name',
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'type': 'select',
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}]
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)
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self.assertEqual(index, 2)
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def test_optgroups_integer_choices(self):
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"""The option 'value' is the same type as what's in `choices`."""
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groups = list(self.widget(choices=[[0, 'choice text']]).optgroups('name', ['vhs']))
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label, options, index = groups[0]
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self.assertEqual(options[0]['value'], 0)
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def test_deepcopy(self):
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"""
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__deepcopy__() should copy all attributes properly (#25085).
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"""
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widget = Select()
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obj = copy.deepcopy(widget)
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self.assertIsNot(widget, obj)
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self.assertEqual(widget.choices, obj.choices)
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self.assertIsNot(widget.choices, obj.choices)
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self.assertEqual(widget.attrs, obj.attrs)
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self.assertIsNot(widget.attrs, obj.attrs)
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def test_doesnt_render_required_when_impossible_to_select_empty_field(self):
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widget = self.widget(choices=[('J', 'John'), ('P', 'Paul')])
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self.assertIs(widget.use_required_attribute(initial=None), False)
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def test_renders_required_when_possible_to_select_empty_field_str(self):
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widget = self.widget(choices=[('', 'select please'), ('P', 'Paul')])
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self.assertIs(widget.use_required_attribute(initial=None), True)
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def test_renders_required_when_possible_to_select_empty_field_list(self):
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widget = self.widget(choices=[['', 'select please'], ['P', 'Paul']])
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self.assertIs(widget.use_required_attribute(initial=None), True)
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def test_renders_required_when_possible_to_select_empty_field_none(self):
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widget = self.widget(choices=[(None, 'select please'), ('P', 'Paul')])
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self.assertIs(widget.use_required_attribute(initial=None), True)
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def test_doesnt_render_required_when_no_choices_are_available(self):
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widget = self.widget(choices=[])
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self.assertIs(widget.use_required_attribute(initial=None), False)
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