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django/tests/forms_tests/widget_tests/test_checkboxinput.py

140 lines
4.4 KiB
Python

from django.forms import BooleanField, CheckboxInput, Form
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 &amp; 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)
def test_fieldset(self):
class TestForm(Form):
template_name = "forms_tests/use_fieldset.html"
field = BooleanField(widget=self.widget)
form = TestForm()
self.assertIs(self.widget.use_fieldset, False)
self.assertHTMLEqual(
form.render(),
'<div><label for="id_field">Field:</label>'
'<input id="id_field" name="field" required type="checkbox"></div>',
)