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django/tests/forms_tests/widget_tests/test_checkboxselectmultiple.py

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import datetime
from django import forms
from django.forms import CheckboxSelectMultiple, ChoiceField, Form
from django.test import override_settings
from .base import WidgetTest
class CheckboxSelectMultipleTest(WidgetTest):
widget = CheckboxSelectMultiple
def test_render_value(self):
self.check_html(
self.widget(choices=self.beatles),
"beatles",
["J"],
html="""
<div>
<div><label><input checked type="checkbox" name="beatles" value="J"> John
</label></div>
<div><label><input type="checkbox" name="beatles" value="P"> Paul
</label></div>
<div><label><input type="checkbox" name="beatles" value="G"> George
</label></div>
<div><label><input type="checkbox" name="beatles" value="R"> Ringo
</label></div>
</div>
""",
)
def test_render_value_multiple(self):
self.check_html(
self.widget(choices=self.beatles),
"beatles",
["J", "P"],
html="""
<div>
<div><label><input checked type="checkbox" name="beatles" value="J"> John
</label></div>
<div><label><input checked type="checkbox" name="beatles" value="P"> Paul
</label></div>
<div><label><input type="checkbox" name="beatles" value="G"> George
</label></div>
<div><label><input type="checkbox" name="beatles" value="R"> Ringo
</label></div>
</div>
""",
)
def test_render_none(self):
"""
If the value is None, none of the options are selected, even if the
choices have an empty option.
"""
self.check_html(
self.widget(choices=(("", "Unknown"),) + self.beatles),
"beatles",
None,
html="""
<div>
<div><label><input type="checkbox" name="beatles" value=""> Unknown
</label></div>
<div><label><input type="checkbox" name="beatles" value="J"> John
</label></div>
<div><label><input type="checkbox" name="beatles" value="P"> Paul
</label></div>
<div><label><input type="checkbox" name="beatles" value="G"> George
</label></div>
<div><label><input type="checkbox" name="beatles" value="R"> Ringo
</label></div>
</div>
""",
)
def test_nested_choices(self):
nested_choices = (
("unknown", "Unknown"),
("Audio", (("vinyl", "Vinyl"), ("cd", "CD"))),
("Video", (("vhs", "VHS"), ("dvd", "DVD"))),
)
html = """
<div id="media">
<div> <label for="media_0">
<input type="checkbox" name="nestchoice" value="unknown" id="media_0"> Unknown
</label></div>
<div>
<label>Audio</label>
<div> <label for="media_1_0">
<input checked type="checkbox" name="nestchoice" value="vinyl" id="media_1_0">
Vinyl</label></div>
<div> <label for="media_1_1">
<input type="checkbox" name="nestchoice" value="cd" id="media_1_1"> CD
</label></div>
</div><div>
<label>Video</label>
<div> <label for="media_2_0">
<input type="checkbox" name="nestchoice" value="vhs" id="media_2_0"> VHS
</label></div>
<div> <label for="media_2_1">
<input type="checkbox" name="nestchoice" value="dvd" id="media_2_1" checked> DVD
</label></div>
</div>
</div>
"""
self.check_html(
self.widget(choices=nested_choices),
"nestchoice",
("vinyl", "dvd"),
attrs={"id": "media"},
html=html,
)
def test_nested_choices_without_id(self):
nested_choices = (
("unknown", "Unknown"),
("Audio", (("vinyl", "Vinyl"), ("cd", "CD"))),
("Video", (("vhs", "VHS"), ("dvd", "DVD"))),
)
html = """
<div>
<div> <label>
<input type="checkbox" name="nestchoice" value="unknown"> Unknown</label></div>
<div>
<label>Audio</label>
<div> <label>
<input checked type="checkbox" name="nestchoice" value="vinyl"> Vinyl
</label></div>
<div> <label>
<input type="checkbox" name="nestchoice" value="cd"> CD</label></div>
</div><div>
<label>Video</label>
<div> <label>
<input type="checkbox" name="nestchoice" value="vhs"> VHS</label></div>
<div> <label>
<input type="checkbox" name="nestchoice" value="dvd"checked> DVD</label></div>
</div>
</div>
"""
self.check_html(
self.widget(choices=nested_choices),
"nestchoice",
("vinyl", "dvd"),
html=html,
)
def test_separate_ids(self):
"""
Each input gets a separate ID.
"""
choices = [("a", "A"), ("b", "B"), ("c", "C")]
html = """
<div id="abc">
<div>
<label for="abc_0">
<input checked type="checkbox" name="letters" value="a" id="abc_0"> A</label>
</div>
<div><label for="abc_1">
<input type="checkbox" name="letters" value="b" id="abc_1"> B</label></div>
<div>
<label for="abc_2">
<input checked type="checkbox" name="letters" value="c" id="abc_2"> C</label>
</div>
</div>
"""
self.check_html(
self.widget(choices=choices),
"letters",
["a", "c"],
attrs={"id": "abc"},
html=html,
)
def test_separate_ids_constructor(self):
"""
Each input gets a separate ID when the ID is passed to the constructor.
"""
widget = CheckboxSelectMultiple(
attrs={"id": "abc"}, choices=[("a", "A"), ("b", "B"), ("c", "C")]
)
html = """
<div id="abc">
<div>
<label for="abc_0">
<input checked type="checkbox" name="letters" value="a" id="abc_0"> A</label>
</div>
<div><label for="abc_1">
<input type="checkbox" name="letters" value="b" id="abc_1"> B</label></div>
<div>
<label for="abc_2">
<input checked type="checkbox" name="letters" value="c" id="abc_2"> C</label>
</div>
</div>
"""
self.check_html(widget, "letters", ["a", "c"], html=html)
@override_settings(USE_THOUSAND_SEPARATOR=True)
def test_doesnt_localize_input_value(self):
choices = [
(1, "One"),
(1000, "One thousand"),
(1000000, "One million"),
]
html = """
<div>
<div><label><input type="checkbox" name="numbers" value="1"> One</label></div>
<div><label>
<input type="checkbox" name="numbers" value="1000"> One thousand</label></div>
<div><label>
<input type="checkbox" name="numbers" value="1000000"> One million</label></div>
</div>
"""
self.check_html(self.widget(choices=choices), "numbers", None, html=html)
choices = [
(datetime.time(0, 0), "midnight"),
(datetime.time(12, 0), "noon"),
]
html = """
<div>
<div><label>
<input type="checkbox" name="times" value="00:00:00"> midnight</label></div>
<div><label>
<input type="checkbox" name="times" value="12:00:00"> noon</label></div>
</div>
"""
self.check_html(self.widget(choices=choices), "times", None, html=html)
def test_use_required_attribute(self):
widget = self.widget(choices=self.beatles)
# Always False because browser validation would require all checkboxes
# to be checked instead of at least one.
self.assertIs(widget.use_required_attribute(None), False)
self.assertIs(widget.use_required_attribute([]), False)
self.assertIs(widget.use_required_attribute(["J", "P"]), False)
def test_value_omitted_from_data(self):
widget = self.widget(choices=self.beatles)
self.assertIs(widget.value_omitted_from_data({}, {}, "field"), False)
self.assertIs(
widget.value_omitted_from_data({"field": "value"}, {}, "field"), False
)
def test_label(self):
"""
CheckboxSelectMultiple doesn't contain 'for="field_0"' in the <label>
because clicking that would toggle the first checkbox.
"""
class TestForm(forms.Form):
f = forms.MultipleChoiceField(widget=CheckboxSelectMultiple)
bound_field = TestForm()["f"]
self.assertEqual(bound_field.field.widget.id_for_label("id"), "")
self.assertEqual(bound_field.label_tag(), "<label>F:</label>")
self.assertEqual(bound_field.legend_tag(), "<legend>F:</legend>")
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, True)
self.assertHTMLEqual(
form.render(),
'<div><fieldset><legend>Field:</legend><div id="id_field">'
'<div><label for="id_field_0"><input type="checkbox" '
'name="field" value="J" id="id_field_0"> John</label></div>'
'<div><label for="id_field_1"><input type="checkbox" '
'name="field" value="P" id="id_field_1">Paul</label></div>'
'<div><label for="id_field_2"><input type="checkbox" '
'name="field" value="G" id="id_field_2"> George</label></div>'
'<div><label for="id_field_3"><input type="checkbox" '
'name="field" value="R" id="id_field_3">'
"Ringo</label></div></div></fieldset></div>",
)
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