209 lines
8.8 KiB
Python
209 lines
8.8 KiB
Python
from django import forms
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from django.core.exceptions import NON_FIELD_ERRORS
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from django.test import TestCase
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from django.utils.functional import lazy
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from . import ValidationAssertions
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from .models import (
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Article,
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Author,
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GenericIPAddressTestModel,
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GenericIPAddrUnpackUniqueTest,
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ModelToValidate,
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)
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class BaseModelValidationTests(ValidationAssertions, TestCase):
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def test_missing_required_field_raises_error(self):
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mtv = ModelToValidate(f_with_custom_validator=42)
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self.assertFailsValidation(mtv.full_clean, ["name", "number"])
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def test_with_correct_value_model_validates(self):
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mtv = ModelToValidate(number=10, name="Some Name")
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self.assertIsNone(mtv.full_clean())
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def test_custom_validate_method(self):
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mtv = ModelToValidate(number=11)
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self.assertFailsValidation(mtv.full_clean, [NON_FIELD_ERRORS, "name"])
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def test_wrong_FK_value_raises_error(self):
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mtv = ModelToValidate(number=10, name="Some Name", parent_id=3)
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self.assertFieldFailsValidationWithMessage(
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mtv.full_clean,
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"parent",
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["model to validate instance with id %r does not exist." % mtv.parent_id],
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)
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mtv = ModelToValidate(number=10, name="Some Name", ufm_id="Some Name")
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self.assertFieldFailsValidationWithMessage(
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mtv.full_clean,
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"ufm",
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[
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"unique fields model instance with unique_charfield %r does not exist."
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% mtv.name
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],
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)
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def test_correct_FK_value_validates(self):
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parent = ModelToValidate.objects.create(number=10, name="Some Name")
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mtv = ModelToValidate(number=10, name="Some Name", parent_id=parent.pk)
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self.assertIsNone(mtv.full_clean())
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def test_limited_FK_raises_error(self):
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# The limit_choices_to on the parent field says that a parent object's
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# number attribute must be 10, so this should fail validation.
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parent = ModelToValidate.objects.create(number=11, name="Other Name")
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mtv = ModelToValidate(number=10, name="Some Name", parent_id=parent.pk)
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self.assertFailsValidation(mtv.full_clean, ["parent"])
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def test_FK_validates_using_base_manager(self):
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# Archived articles are not available through the default manager, only
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# the base manager.
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author = Author.objects.create(name="Randy", archived=True)
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article = Article(title="My Article", author=author)
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self.assertIsNone(article.full_clean())
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def test_wrong_email_value_raises_error(self):
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mtv = ModelToValidate(number=10, name="Some Name", email="not-an-email")
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self.assertFailsValidation(mtv.full_clean, ["email"])
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def test_correct_email_value_passes(self):
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mtv = ModelToValidate(number=10, name="Some Name", email="valid@email.com")
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self.assertIsNone(mtv.full_clean())
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def test_wrong_url_value_raises_error(self):
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mtv = ModelToValidate(number=10, name="Some Name", url="not a url")
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self.assertFieldFailsValidationWithMessage(
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mtv.full_clean, "url", ["Enter a valid URL."]
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)
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def test_text_greater_that_charfields_max_length_raises_errors(self):
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mtv = ModelToValidate(number=10, name="Some Name" * 100)
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self.assertFailsValidation(mtv.full_clean, ["name"])
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def test_malformed_slug_raises_error(self):
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mtv = ModelToValidate(number=10, name="Some Name", slug="##invalid##")
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self.assertFailsValidation(mtv.full_clean, ["slug"])
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def test_full_clean_does_not_mutate_exclude(self):
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mtv = ModelToValidate(f_with_custom_validator=42)
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exclude = ["number"]
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self.assertFailsValidation(mtv.full_clean, ["name"], exclude=exclude)
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self.assertEqual(len(exclude), 1)
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self.assertEqual(exclude[0], "number")
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class ArticleForm(forms.ModelForm):
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class Meta:
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model = Article
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exclude = ["author"]
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class ModelFormsTests(TestCase):
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@classmethod
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def setUpTestData(cls):
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cls.author = Author.objects.create(name="Joseph Kocherhans")
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def test_partial_validation(self):
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# Make sure the "commit=False and set field values later" idiom still
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# works with model validation.
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data = {
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"title": "The state of model validation",
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"pub_date": "2010-1-10 14:49:00",
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}
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form = ArticleForm(data)
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self.assertEqual(list(form.errors), [])
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article = form.save(commit=False)
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article.author = self.author
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article.save()
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def test_validation_with_empty_blank_field(self):
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# Since a value for pub_date wasn't provided and the field is
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# blank=True, model-validation should pass.
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# Also, Article.clean() should be run, so pub_date will be filled after
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# validation, so the form should save cleanly even though pub_date is
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# not allowed to be null.
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data = {
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"title": "The state of model validation",
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}
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article = Article(author_id=self.author.id)
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form = ArticleForm(data, instance=article)
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self.assertEqual(list(form.errors), [])
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self.assertIsNotNone(form.instance.pub_date)
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article = form.save()
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def test_validation_with_invalid_blank_field(self):
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# Even though pub_date is set to blank=True, an invalid value was
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# provided, so it should fail validation.
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data = {"title": "The state of model validation", "pub_date": "never"}
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article = Article(author_id=self.author.id)
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form = ArticleForm(data, instance=article)
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self.assertEqual(list(form.errors), ["pub_date"])
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class GenericIPAddressFieldTests(ValidationAssertions, TestCase):
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def test_correct_generic_ip_passes(self):
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giptm = GenericIPAddressTestModel(generic_ip="1.2.3.4")
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self.assertIsNone(giptm.full_clean())
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giptm = GenericIPAddressTestModel(generic_ip=" 1.2.3.4 ")
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self.assertIsNone(giptm.full_clean())
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giptm = GenericIPAddressTestModel(generic_ip="1.2.3.4\n")
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self.assertIsNone(giptm.full_clean())
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giptm = GenericIPAddressTestModel(generic_ip="2001::2")
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self.assertIsNone(giptm.full_clean())
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def test_invalid_generic_ip_raises_error(self):
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giptm = GenericIPAddressTestModel(generic_ip="294.4.2.1")
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self.assertFailsValidation(giptm.full_clean, ["generic_ip"])
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giptm = GenericIPAddressTestModel(generic_ip="1:2")
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self.assertFailsValidation(giptm.full_clean, ["generic_ip"])
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giptm = GenericIPAddressTestModel(generic_ip=1)
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self.assertFailsValidation(giptm.full_clean, ["generic_ip"])
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giptm = GenericIPAddressTestModel(generic_ip=lazy(lambda: 1, int))
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self.assertFailsValidation(giptm.full_clean, ["generic_ip"])
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def test_correct_v4_ip_passes(self):
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giptm = GenericIPAddressTestModel(v4_ip="1.2.3.4")
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self.assertIsNone(giptm.full_clean())
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def test_invalid_v4_ip_raises_error(self):
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giptm = GenericIPAddressTestModel(v4_ip="294.4.2.1")
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self.assertFailsValidation(giptm.full_clean, ["v4_ip"])
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giptm = GenericIPAddressTestModel(v4_ip="2001::2")
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self.assertFailsValidation(giptm.full_clean, ["v4_ip"])
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def test_correct_v6_ip_passes(self):
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giptm = GenericIPAddressTestModel(v6_ip="2001::2")
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self.assertIsNone(giptm.full_clean())
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def test_invalid_v6_ip_raises_error(self):
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giptm = GenericIPAddressTestModel(v6_ip="1.2.3.4")
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self.assertFailsValidation(giptm.full_clean, ["v6_ip"])
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giptm = GenericIPAddressTestModel(v6_ip="1:2")
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self.assertFailsValidation(giptm.full_clean, ["v6_ip"])
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def test_v6_uniqueness_detection(self):
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# These two addresses are the same with different syntax
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giptm = GenericIPAddressTestModel(generic_ip="2001::1:0:0:0:0:2")
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giptm.save()
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giptm = GenericIPAddressTestModel(generic_ip="2001:0:1:2")
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self.assertFailsValidation(giptm.full_clean, ["generic_ip"])
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def test_v4_unpack_uniqueness_detection(self):
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# These two are different, because we are not doing IPv4 unpacking
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giptm = GenericIPAddressTestModel(generic_ip="::ffff:10.10.10.10")
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giptm.save()
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giptm = GenericIPAddressTestModel(generic_ip="10.10.10.10")
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self.assertIsNone(giptm.full_clean())
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# These two are the same, because we are doing IPv4 unpacking
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giptm = GenericIPAddrUnpackUniqueTest(generic_v4unpack_ip="::ffff:18.52.18.52")
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giptm.save()
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giptm = GenericIPAddrUnpackUniqueTest(generic_v4unpack_ip="18.52.18.52")
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self.assertFailsValidation(giptm.full_clean, ["generic_v4unpack_ip"])
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def test_empty_generic_ip_passes(self):
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giptm = GenericIPAddressTestModel(generic_ip="")
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self.assertIsNone(giptm.full_clean())
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giptm = GenericIPAddressTestModel(generic_ip=None)
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self.assertIsNone(giptm.full_clean())
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