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from django import forms
from django.forms import CheckboxSelectMultiple
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=(
"""<ul>
<li><label><input checked type="checkbox" name="beatles" value="J" /> John</label></li>
<li><label><input type="checkbox" name="beatles" value="P" /> Paul</label></li>
<li><label><input type="checkbox" name="beatles" value="G" /> George</label></li>
<li><label><input type="checkbox" name="beatles" value="R" /> Ringo</label></li>
</ul>"""
))
def test_render_value_multiple(self):
self.check_html(self.widget(choices=self.beatles), 'beatles', ['J', 'P'], html=(
"""<ul>
<li><label><input checked type="checkbox" name="beatles" value="J" /> John</label></li>
<li><label><input checked type="checkbox" name="beatles" value="P" /> Paul</label></li>
<li><label><input type="checkbox" name="beatles" value="G" /> George</label></li>
<li><label><input type="checkbox" name="beatles" value="R" /> Ringo</label></li>
</ul>"""
))
def test_render_none(self):
"""
If the value is None, none of the options are selected.
"""
self.check_html(self.widget(choices=self.beatles), 'beatles', None, html=(
"""<ul>
<li><label><input type="checkbox" name="beatles" value="J" /> John</label></li>
<li><label><input type="checkbox" name="beatles" value="P" /> Paul</label></li>
<li><label><input type="checkbox" name="beatles" value="G" /> George</label></li>
<li><label><input type="checkbox" name="beatles" value="R" /> Ringo</label></li>
</ul>"""
))
def test_nested_choices(self):
nested_choices = (
('unknown', 'Unknown'),
('Audio', (('vinyl', 'Vinyl'), ('cd', 'CD'))),
('Video', (('vhs', 'VHS'), ('dvd', 'DVD'))),
)
html = """
<ul id="media">
<li>
<label for="media_0"><input id="media_0" name="nestchoice" type="checkbox" value="unknown" /> Unknown</label>
</li>
<li>Audio<ul id="media_1">
<li>
<label for="media_1_0">
<input checked id="media_1_0" name="nestchoice" type="checkbox" value="vinyl" /> Vinyl
</label>
</li>
<li>
<label for="media_1_1"><input id="media_1_1" name="nestchoice" type="checkbox" value="cd" /> CD</label>
</li>
</ul></li>
<li>Video<ul id="media_2">
<li>
<label for="media_2_0"><input id="media_2_0" name="nestchoice" type="checkbox" value="vhs" /> VHS</label>
</li>
<li>
<label for="media_2_1">
<input checked id="media_2_1" name="nestchoice" type="checkbox" value="dvd" /> DVD
</label>
</li>
</ul></li>
</ul>
"""
self.check_html(
self.widget(choices=nested_choices), 'nestchoice', ('vinyl', 'dvd'),
attrs={'id': 'media'}, html=html,
)
def test_separate_ids(self):
"""
Each input gets a separate ID.
"""
choices = [('a', 'A'), ('b', 'B'), ('c', 'C')]
html = """
<ul id="abc">
<li>
<label for="abc_0"><input checked type="checkbox" name="letters" value="a" id="abc_0" /> A</label>
</li>
<li><label for="abc_1"><input type="checkbox" name="letters" value="b" id="abc_1" /> B</label></li>
<li>
<label for="abc_2"><input checked type="checkbox" name="letters" value="c" id="abc_2" /> C</label>
</li>
</ul>
"""
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 = """
<ul id="abc">
<li>
<label for="abc_0"><input checked type="checkbox" name="letters" value="a" id="abc_0" /> A</label>
</li>
<li><label for="abc_1"><input type="checkbox" name="letters" value="b" id="abc_1" /> B</label></li>
<li>
<label for="abc_2"><input checked type="checkbox" name="letters" value="c" id="abc_2" /> C</label>
</li>
</ul>
"""
self.check_html(widget, 'letters', ['a', 'c'], 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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