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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())
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