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103 lines
3.8 KiB
Python
103 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"))),
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("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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