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|
import datetime
from django.forms import ChoiceField, Form, MultiWidget, Select, TextInput
from django.test import override_settings
from django.utils.safestring import mark_safe
from .test_choicewidget import ChoiceWidgetTest
class SelectTest(ChoiceWidgetTest):
widget = Select
def test_render(self):
html = """
<select name="beatle">
<option value="J" selected>John</option>
<option value="P">Paul</option>
<option value="G">George</option>
<option value="R">Ringo</option>
</select>
"""
for choices in (self.beatles, dict(self.beatles)):
with self.subTest(choices):
self.check_html(self.widget(choices=choices), "beatle", "J", html=html)
def test_render_none(self):
"""
If the value is None, none of the options are selected.
"""
self.check_html(
self.widget(choices=self.beatles),
"beatle",
None,
html=(
"""<select name="beatle">
<option value="J">John</option>
<option value="P">Paul</option>
<option value="G">George</option>
<option value="R">Ringo</option>
</select>"""
),
)
def test_render_label_value(self):
"""
If the value corresponds to a label (but not to an option value), none
of the options are selected.
"""
self.check_html(
self.widget(choices=self.beatles),
"beatle",
"John",
html=(
"""<select name="beatle">
<option value="J">John</option>
<option value="P">Paul</option>
<option value="G">George</option>
<option value="R">Ringo</option>
</select>"""
),
)
def test_render_selected(self):
"""
Only one option can be selected (#8103).
"""
choices = [("0", "0"), ("1", "1"), ("2", "2"), ("3", "3"), ("0", "extra")]
self.check_html(
self.widget(choices=choices),
"choices",
"0",
html=(
"""<select name="choices">
<option value="0" selected>0</option>
<option value="1">1</option>
<option value="2">2</option>
<option value="3">3</option>
<option value="0">extra</option>
</select>"""
),
)
def test_constructor_attrs(self):
"""
Select options shouldn't inherit the parent widget attrs.
"""
widget = Select(
attrs={"class": "super", "id": "super"},
choices=[(1, 1), (2, 2), (3, 3)],
)
self.check_html(
widget,
"num",
2,
html=(
"""<select name="num" class="super" id="super">
<option value="1">1</option>
<option value="2" selected>2</option>
<option value="3">3</option>
</select>"""
),
)
def test_compare_to_str(self):
"""
The value is compared to its str().
"""
self.check_html(
self.widget(choices=[("1", "1"), ("2", "2"), ("3", "3")]),
"num",
2,
html=(
"""<select name="num">
<option value="1">1</option>
<option value="2" selected>2</option>
<option value="3">3</option>
</select>"""
),
)
self.check_html(
self.widget(choices=[(1, 1), (2, 2), (3, 3)]),
"num",
"2",
html=(
"""<select name="num">
<option value="1">1</option>
<option value="2" selected>2</option>
<option value="3">3</option>
</select>"""
),
)
self.check_html(
self.widget(choices=[(1, 1), (2, 2), (3, 3)]),
"num",
2,
html=(
"""<select name="num">
<option value="1">1</option>
<option value="2" selected>2</option>
<option value="3">3</option>
</select>"""
),
)
def test_choices_constructor(self):
widget = Select(choices=[(1, 1), (2, 2), (3, 3)])
self.check_html(
widget,
"num",
2,
html=(
"""<select name="num">
<option value="1">1</option>
<option value="2" selected>2</option>
<option value="3">3</option>
</select>"""
),
)
def test_choices_constructor_generator(self):
"""
If choices is passed to the constructor and is a generator, it can be
iterated over multiple times without getting consumed.
"""
def get_choices():
for i in range(5):
yield (i, i)
widget = Select(choices=get_choices())
self.check_html(
widget,
"num",
2,
html=(
"""<select name="num">
<option value="0">0</option>
<option value="1">1</option>
<option value="2" selected>2</option>
<option value="3">3</option>
<option value="4">4</option>
</select>"""
),
)
self.check_html(
widget,
"num",
3,
html=(
"""<select name="num">
<option value="0">0</option>
<option value="1">1</option>
<option value="2">2</option>
<option value="3" selected>3</option>
<option value="4">4</option>
</select>"""
),
)
def test_choices_escaping(self):
choices = (("bad", "you & me"), ("good", mark_safe("you > me")))
self.check_html(
self.widget(choices=choices),
"escape",
None,
html=(
"""<select name="escape">
<option value="bad">you & me</option>
<option value="good">you > me</option>
</select>"""
),
)
def test_choices_unicode(self):
self.check_html(
self.widget(choices=[("ŠĐĆŽćžšđ", "ŠĐabcĆŽćžšđ"), ("ćžšđ", "abcćžšđ")]),
"email",
"ŠĐĆŽćžšđ",
html=(
"""
<select name="email">
<option value="\u0160\u0110\u0106\u017d\u0107\u017e\u0161\u0111"
selected>
\u0160\u0110abc\u0106\u017d\u0107\u017e\u0161\u0111
</option>
<option value="\u0107\u017e\u0161\u0111">abc\u0107\u017e\u0161\u0111
</option>
</select>
"""
),
)
def test_choices_optgroup(self):
"""
Choices can be nested one level in order to create HTML optgroups.
"""
html = """
<select name="nestchoice">
<option value="outer1">Outer 1</option>
<optgroup label="Group "1"">
<option value="inner1">Inner 1</option>
<option value="inner2">Inner 2</option>
</optgroup>
</select>
"""
for widget in self.nested_widgets:
with self.subTest(widget):
self.check_html(widget, "nestchoice", None, html=html)
def test_choices_select_outer(self):
html = """
<select name="nestchoice">
<option value="outer1" selected>Outer 1</option>
<optgroup label="Group "1"">
<option value="inner1">Inner 1</option>
<option value="inner2">Inner 2</option>
</optgroup>
</select>
"""
for widget in self.nested_widgets:
with self.subTest(widget):
self.check_html(widget, "nestchoice", "outer1", html=html)
def test_choices_select_inner(self):
html = """
<select name="nestchoice">
<option value="outer1">Outer 1</option>
<optgroup label="Group "1"">
<option value="inner1" selected>Inner 1</option>
<option value="inner2">Inner 2</option>
</optgroup>
</select>
"""
for widget in self.nested_widgets:
with self.subTest(widget):
self.check_html(widget, "nestchoice", "inner1", html=html)
@override_settings(USE_THOUSAND_SEPARATOR=True)
def test_doesnt_localize_option_value(self):
choices = [
(1, "One"),
(1000, "One thousand"),
(1000000, "One million"),
]
html = """
<select name="number">
<option value="1">One</option>
<option value="1000">One thousand</option>
<option value="1000000">One million</option>
</select>
"""
self.check_html(self.widget(choices=choices), "number", None, html=html)
choices = [
(datetime.time(0, 0), "midnight"),
(datetime.time(12, 0), "noon"),
]
html = """
<select name="time">
<option value="00:00:00">midnight</option>
<option value="12:00:00">noon</option>
</select>
"""
self.check_html(self.widget(choices=choices), "time", None, html=html)
def _test_optgroups(self, choices):
groups = list(
self.widget(choices=choices).optgroups(
"name",
["vhs"],
attrs={"class": "super"},
)
)
audio, video, unknown = groups
label, options, index = audio
self.assertEqual(label, "Audio")
self.assertEqual(
options,
[
{
"value": "vinyl",
"type": "select",
"attrs": {},
"index": "0_0",
"label": "Vinyl",
"template_name": "django/forms/widgets/select_option.html",
"name": "name",
"selected": False,
"wrap_label": True,
},
{
"value": "cd",
"type": "select",
"attrs": {},
"index": "0_1",
"label": "CD",
"template_name": "django/forms/widgets/select_option.html",
"name": "name",
"selected": False,
"wrap_label": True,
},
],
)
self.assertEqual(index, 0)
label, options, index = video
self.assertEqual(label, "Video")
self.assertEqual(
options,
[
{
"value": "vhs",
"template_name": "django/forms/widgets/select_option.html",
"label": "VHS Tape",
"attrs": {"selected": True},
"index": "1_0",
"name": "name",
"selected": True,
"type": "select",
"wrap_label": True,
},
{
"value": "dvd",
"template_name": "django/forms/widgets/select_option.html",
"label": "DVD",
"attrs": {},
"index": "1_1",
"name": "name",
"selected": False,
"type": "select",
"wrap_label": True,
},
],
)
self.assertEqual(index, 1)
label, options, index = unknown
self.assertIsNone(label)
self.assertEqual(
options,
[
{
"value": "unknown",
"selected": False,
"template_name": "django/forms/widgets/select_option.html",
"label": "Unknown",
"attrs": {},
"index": "2",
"name": "name",
"type": "select",
"wrap_label": True,
}
],
)
self.assertEqual(index, 2)
def test_optgroups(self):
choices_dict = {
"Audio": [
("vinyl", "Vinyl"),
("cd", "CD"),
],
"Video": [
("vhs", "VHS Tape"),
("dvd", "DVD"),
],
"unknown": "Unknown",
}
choices_list = list(choices_dict.items())
choices_nested_dict = {
k: dict(v) if isinstance(v, list) else v for k, v in choices_dict.items()
}
for choices in (choices_dict, choices_list, choices_nested_dict):
with self.subTest(choices):
self._test_optgroups(choices)
def test_doesnt_render_required_when_impossible_to_select_empty_field(self):
widget = self.widget(choices=[("J", "John"), ("P", "Paul")])
self.assertIs(widget.use_required_attribute(initial=None), False)
def test_doesnt_render_required_when_no_choices_are_available(self):
widget = self.widget(choices=[])
self.assertIs(widget.use_required_attribute(initial=None), False)
def test_render_as_subwidget(self):
"""A RadioSelect as a subwidget of MultiWidget."""
choices = (("", "------"),) + self.beatles
self.check_html(
MultiWidget([self.widget(choices=choices), TextInput()]),
"beatle",
["J", "Some text"],
html=(
"""
<select name="beatle_0">
<option value="">------</option>
<option value="J" selected>John</option>
<option value="P">Paul</option>
<option value="G">George</option>
<option value="R">Ringo</option>
</select>
<input name="beatle_1" type="text" value="Some text">
"""
),
)
def test_fieldset(self):
class TestForm(Form):
template_name = "forms_tests/use_fieldset.html"
field = ChoiceField(widget=self.widget, choices=self.beatles)
form = TestForm()
self.assertIs(self.widget.use_fieldset, False)
self.assertHTMLEqual(
'<div><label for="id_field">Field:</label>'
'<select name="field" id="id_field">'
'<option value="J">John</option> '
'<option value="P">Paul</option>'
'<option value="G">George</option>'
'<option value="R">Ringo</option></select></div>',
form.render(),
)
|
