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import datetime
from django import forms
from django.forms import CheckboxSelectMultiple
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>')
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