75 lines
3.5 KiB
Python
75 lines
3.5 KiB
Python
from django.forms import Form, HiddenInput, NullBooleanField, RadioSelect
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from django.test import SimpleTestCase
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from . import FormFieldAssertionsMixin
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class NullBooleanFieldTest(FormFieldAssertionsMixin, SimpleTestCase):
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def test_nullbooleanfield_clean(self):
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f = NullBooleanField()
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self.assertIsNone(f.clean(''))
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self.assertTrue(f.clean(True))
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self.assertFalse(f.clean(False))
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self.assertIsNone(f.clean(None))
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self.assertFalse(f.clean('0'))
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self.assertTrue(f.clean('1'))
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self.assertIsNone(f.clean('2'))
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self.assertIsNone(f.clean('3'))
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self.assertIsNone(f.clean('hello'))
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self.assertTrue(f.clean('true'))
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self.assertFalse(f.clean('false'))
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def test_nullbooleanfield_2(self):
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# The internal value is preserved if using HiddenInput (#7753).
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class HiddenNullBooleanForm(Form):
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hidden_nullbool1 = NullBooleanField(widget=HiddenInput, initial=True)
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hidden_nullbool2 = NullBooleanField(widget=HiddenInput, initial=False)
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f = HiddenNullBooleanForm()
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self.assertHTMLEqual(
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'<input type="hidden" name="hidden_nullbool1" value="True" id="id_hidden_nullbool1" />'
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'<input type="hidden" name="hidden_nullbool2" value="False" id="id_hidden_nullbool2" />',
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str(f)
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)
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def test_nullbooleanfield_3(self):
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class HiddenNullBooleanForm(Form):
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hidden_nullbool1 = NullBooleanField(widget=HiddenInput, initial=True)
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hidden_nullbool2 = NullBooleanField(widget=HiddenInput, initial=False)
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f = HiddenNullBooleanForm({'hidden_nullbool1': 'True', 'hidden_nullbool2': 'False'})
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self.assertIsNone(f.full_clean())
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self.assertTrue(f.cleaned_data['hidden_nullbool1'])
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self.assertFalse(f.cleaned_data['hidden_nullbool2'])
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def test_nullbooleanfield_4(self):
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# Make sure we're compatible with MySQL, which uses 0 and 1 for its
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# boolean values (#9609).
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NULLBOOL_CHOICES = (('1', 'Yes'), ('0', 'No'), ('', 'Unknown'))
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class MySQLNullBooleanForm(Form):
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nullbool0 = NullBooleanField(widget=RadioSelect(choices=NULLBOOL_CHOICES))
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nullbool1 = NullBooleanField(widget=RadioSelect(choices=NULLBOOL_CHOICES))
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nullbool2 = NullBooleanField(widget=RadioSelect(choices=NULLBOOL_CHOICES))
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f = MySQLNullBooleanForm({'nullbool0': '1', 'nullbool1': '0', 'nullbool2': ''})
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self.assertIsNone(f.full_clean())
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self.assertTrue(f.cleaned_data['nullbool0'])
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self.assertFalse(f.cleaned_data['nullbool1'])
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self.assertIsNone(f.cleaned_data['nullbool2'])
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def test_nullbooleanfield_changed(self):
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f = NullBooleanField()
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self.assertTrue(f.has_changed(False, None))
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self.assertTrue(f.has_changed(None, False))
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self.assertFalse(f.has_changed(None, None))
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self.assertFalse(f.has_changed(False, False))
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self.assertTrue(f.has_changed(True, False))
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self.assertTrue(f.has_changed(True, None))
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self.assertTrue(f.has_changed(True, False))
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# HiddenInput widget sends string values for boolean but doesn't clean them in value_from_datadict
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self.assertFalse(f.has_changed(False, 'False'))
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self.assertFalse(f.has_changed(True, 'True'))
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self.assertFalse(f.has_changed(None, ''))
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self.assertTrue(f.has_changed(False, 'True'))
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self.assertTrue(f.has_changed(True, 'False'))
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self.assertTrue(f.has_changed(None, 'False'))
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