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82 lines
3.5 KiB
Python
82 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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str(f),
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'<input type="hidden" name="hidden_nullbool1" value="True" '
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'id="id_hidden_nullbool1">'
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'<input type="hidden" name="hidden_nullbool2" value="False" '
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'id="id_hidden_nullbool2">',
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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(
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{"hidden_nullbool1": "True", "hidden_nullbool2": "False"}
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)
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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
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# 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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