102 lines
3.8 KiB
Python
102 lines
3.8 KiB
Python
from django.core.exceptions import ValidationError
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from django.db import models
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from django.forms import ChoiceField, Form
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from django.test import SimpleTestCase
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from . import FormFieldAssertionsMixin
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class ChoiceFieldTest(FormFieldAssertionsMixin, SimpleTestCase):
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def test_choicefield_1(self):
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f = ChoiceField(choices=[('1', 'One'), ('2', 'Two')])
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with self.assertRaisesMessage(ValidationError, "'This field is required.'"):
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f.clean('')
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with self.assertRaisesMessage(ValidationError, "'This field is required.'"):
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f.clean(None)
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self.assertEqual('1', f.clean(1))
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self.assertEqual('1', f.clean('1'))
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msg = "'Select a valid choice. 3 is not one of the available choices.'"
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with self.assertRaisesMessage(ValidationError, msg):
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f.clean('3')
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def test_choicefield_2(self):
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f = ChoiceField(choices=[('1', 'One'), ('2', 'Two')], required=False)
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self.assertEqual('', f.clean(''))
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self.assertEqual('', f.clean(None))
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self.assertEqual('1', f.clean(1))
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self.assertEqual('1', f.clean('1'))
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msg = "'Select a valid choice. 3 is not one of the available choices.'"
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with self.assertRaisesMessage(ValidationError, msg):
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f.clean('3')
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def test_choicefield_3(self):
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f = ChoiceField(choices=[('J', 'John'), ('P', 'Paul')])
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self.assertEqual('J', f.clean('J'))
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msg = "'Select a valid choice. John is not one of the available choices.'"
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with self.assertRaisesMessage(ValidationError, msg):
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f.clean('John')
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def test_choicefield_4(self):
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f = ChoiceField(
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choices=[
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('Numbers', (('1', 'One'), ('2', 'Two'))),
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('Letters', (('3', 'A'), ('4', 'B'))), ('5', 'Other'),
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]
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)
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self.assertEqual('1', f.clean(1))
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self.assertEqual('1', f.clean('1'))
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self.assertEqual('3', f.clean(3))
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self.assertEqual('3', f.clean('3'))
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self.assertEqual('5', f.clean(5))
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self.assertEqual('5', f.clean('5'))
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msg = "'Select a valid choice. 6 is not one of the available choices.'"
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with self.assertRaisesMessage(ValidationError, msg):
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f.clean('6')
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def test_choicefield_choices_default(self):
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f = ChoiceField()
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self.assertEqual(f.choices, [])
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def test_choicefield_callable(self):
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def choices():
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return [('J', 'John'), ('P', 'Paul')]
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f = ChoiceField(choices=choices)
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self.assertEqual('J', f.clean('J'))
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def test_choicefield_callable_may_evaluate_to_different_values(self):
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choices = []
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def choices_as_callable():
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return choices
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class ChoiceFieldForm(Form):
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choicefield = ChoiceField(choices=choices_as_callable)
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choices = [('J', 'John')]
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form = ChoiceFieldForm()
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self.assertEqual([('J', 'John')], list(form.fields['choicefield'].choices))
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choices = [('P', 'Paul')]
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form = ChoiceFieldForm()
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self.assertEqual([('P', 'Paul')], list(form.fields['choicefield'].choices))
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def test_choicefield_disabled(self):
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f = ChoiceField(choices=[('J', 'John'), ('P', 'Paul')], disabled=True)
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self.assertWidgetRendersTo(
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f,
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'<select id="id_f" name="f" disabled><option value="J">John</option>'
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'<option value="P">Paul</option></select>'
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)
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def test_choicefield_enumeration(self):
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class FirstNames(models.TextChoices):
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JOHN = 'J', 'John'
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PAUL = 'P', 'Paul'
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f = ChoiceField(choices=FirstNames.choices)
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self.assertEqual(f.clean('J'), 'J')
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msg = "'Select a valid choice. 3 is not one of the available choices.'"
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with self.assertRaisesMessage(ValidationError, msg):
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f.clean('3')
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