mirror of
https://github.com/django/django.git
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505 lines
16 KiB
Python
505 lines
16 KiB
Python
import copy
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import datetime
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from django.forms import ChoiceField, Form, 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(
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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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)
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def test_render(self):
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self.check_html(
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self.widget(choices=self.beatles),
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"beatle",
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"J",
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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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)
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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(
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self.widget(choices=self.beatles),
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"beatle",
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None,
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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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)
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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(
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self.widget(choices=self.beatles),
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"beatle",
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"John",
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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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)
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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(
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self.widget(choices=choices),
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"choices",
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"0",
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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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)
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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(
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widget,
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"num",
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2,
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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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)
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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",
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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",
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"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",
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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_constructor(self):
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widget = Select(choices=[(1, 1), (2, 2), (3, 3)])
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self.check_html(
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widget,
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"num",
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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_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(
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widget,
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"num",
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2,
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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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)
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self.check_html(
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widget,
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"num",
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3,
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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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)
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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(
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self.widget(choices=choices),
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"escape",
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None,
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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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)
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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",
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"ŠĐĆŽćžšđ",
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html=(
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"""
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<select name="email">
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<option value="\u0160\u0110\u0106\u017d\u0107\u017e\u0161\u0111"
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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
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</option>
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</select>
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"""
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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(
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self.nested_widget,
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"nestchoice",
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None,
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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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)
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def test_choices_select_outer(self):
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self.check_html(
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self.nested_widget,
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"nestchoice",
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"outer1",
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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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)
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def test_choices_select_inner(self):
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self.check_html(
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self.nested_widget,
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"nestchoice",
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"inner1",
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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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)
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@override_settings(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(
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self.widget(choices=self.beatles).options(
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"name",
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["J"],
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attrs={"class": "super"},
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)
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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.assertIs(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.assertIs(options[1]["selected"], False)
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def test_optgroups(self):
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choices = [
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(
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"Audio",
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[
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("vinyl", "Vinyl"),
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("cd", "CD"),
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],
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),
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(
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"Video",
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[
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("vhs", "VHS Tape"),
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("dvd", "DVD"),
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],
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),
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("unknown", "Unknown"),
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]
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groups = list(
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self.widget(choices=choices).optgroups(
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"name",
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["vhs"],
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attrs={"class": "super"},
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)
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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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{
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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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"wrap_label": True,
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},
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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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"wrap_label": True,
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},
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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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{
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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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"wrap_label": True,
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},
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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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"wrap_label": True,
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},
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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.assertIsNone(label)
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self.assertEqual(
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options,
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[
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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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"wrap_label": True,
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}
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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(
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self.widget(choices=[[0, "choice text"]]).optgroups("name", ["vhs"])
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)
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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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def test_fieldset(self):
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class TestForm(Form):
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template_name = "forms_tests/use_fieldset.html"
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field = ChoiceField(widget=self.widget, choices=self.beatles)
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form = TestForm()
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self.assertIs(self.widget.use_fieldset, False)
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self.assertHTMLEqual(
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'<div><label for="id_field">Field:</label>'
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'<select name="field" id="id_field">'
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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></select></div>',
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form.render(),
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)
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