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