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from django.forms import CheckboxInput
from .base import WidgetTest
class CheckboxInputTest(WidgetTest):
widget = CheckboxInput()
def test_render_empty(self):
self.check_html(self.widget, 'is_cool', '', html='<input type="checkbox" name="is_cool">')
def test_render_none(self):
self.check_html(self.widget, 'is_cool', None, html='<input type="checkbox" name="is_cool">')
def test_render_false(self):
self.check_html(self.widget, 'is_cool', False, html='<input type="checkbox" name="is_cool">')
def test_render_true(self):
self.check_html(
self.widget, 'is_cool', True,
html='<input checked type="checkbox" name="is_cool">'
)
def test_render_value(self):
"""
Using any value that's not in ('', None, False, True) will check the
checkbox and set the 'value' attribute.
"""
self.check_html(
self.widget, 'is_cool', 'foo',
html='<input checked type="checkbox" name="is_cool" value="foo">',
)
def test_render_int(self):
"""
Integers are handled by value, not as booleans (#17114).
"""
self.check_html(
self.widget, 'is_cool', 0,
html='<input checked type="checkbox" name="is_cool" value="0">',
)
self.check_html(
self.widget, 'is_cool', 1,
html='<input checked type="checkbox" name="is_cool" value="1">',
)
def test_render_check_test(self):
"""
You can pass 'check_test' to the constructor. This is a callable that
takes the value and returns True if the box should be checked.
"""
widget = CheckboxInput(check_test=lambda value: value.startswith('hello'))
self.check_html(widget, 'greeting', '', html=(
'<input type="checkbox" name="greeting">'
))
self.check_html(widget, 'greeting', 'hello', html=(
'<input checked type="checkbox" name="greeting" value="hello">'
))
self.check_html(widget, 'greeting', 'hello there', html=(
'<input checked type="checkbox" name="greeting" value="hello there">'
))
self.check_html(widget, 'greeting', 'hello & goodbye', html=(
'<input checked type="checkbox" name="greeting" value="hello & goodbye">'
))
def test_render_check_exception(self):
"""
Calling check_test() shouldn't swallow exceptions (#17888).
"""
widget = CheckboxInput(
check_test=lambda value: value.startswith('hello'),
)
with self.assertRaises(AttributeError):
widget.render('greeting', True)
def test_value_from_datadict(self):
"""
The CheckboxInput widget will return False if the key is not found in
the data dictionary (because HTML form submission doesn't send any
result for unchecked checkboxes).
"""
self.assertFalse(self.widget.value_from_datadict({}, {}, 'testing'))
def test_value_from_datadict_string_int(self):
value = self.widget.value_from_datadict({'testing': '0'}, {}, 'testing')
self.assertIs(value, True)
def test_value_omitted_from_data(self):
self.assertIs(self.widget.value_omitted_from_data({'field': 'value'}, {}, 'field'), False)
self.assertIs(self.widget.value_omitted_from_data({}, {}, 'field'), False)
def test_get_context_does_not_mutate_attrs(self):
attrs = {'checked': False}
self.widget.get_context('name', True, attrs)
self.assertIs(attrs['checked'], False)
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