test instance independence of initial data dict see 16138 initial1 formmixin getinitial initial1foo bar initial2 formmixin getinitial self assertnotequalinitial1 initial2 def testgetprefixself a form can be marked invalid in the formvalid method 25548 also test with escaped chars in url modification with both post and put browser compatible also test with escaped chars in url modification with both post and put browser compatible deletion with post deletion with browser compatible delete method also test with escaped chars in url test instance independence of initial data dict see 16138 test prefix can be set see 18872 a form can be marked invalid in the form_valid method 25548 also test with escaped chars in url required for oneupdate modification with both post and put browser compatible also test with escaped chars in url modification with both post and put browser compatible deletion with post deletion with browser compatible delete method also test with escaped chars in url
from django import forms
from django.core.exceptions import ImproperlyConfigured
from django.test import SimpleTestCase, TestCase, override_settings
from django.test.client import RequestFactory
from django.urls import reverse
from django.views.generic.base import View
from django.views.generic.edit import CreateView, FormMixin, ModelFormMixin

from . import views
from .forms import AuthorForm
from .models import Artist, Author


class FormMixinTests(SimpleTestCase):
    request_factory = RequestFactory()

    def test_initial_data(self):
        
        initial_1 = FormMixin().get_initial()
        initial_1["foo"] = "bar"
        initial_2 = FormMixin().get_initial()
        self.assertNotEqual(initial_1, initial_2)

    def test_get_prefix(self):
        
        test_string = "test"

        get_request = self.request_factory.get("/")

        class TestFormMixin(FormMixin):
            request = get_request

        default_kwargs = TestFormMixin().get_form_kwargs()
        self.assertIsNone(default_kwargs.get("prefix"))

        set_mixin = TestFormMixin()
        set_mixin.prefix = test_string
        set_kwargs = set_mixin.get_form_kwargs()
        self.assertEqual(test_string, set_kwargs.get("prefix"))

    def test_get_form(self):
        class TestFormMixin(FormMixin):
            request = self.request_factory.get("/")

        self.assertIsInstance(
            TestFormMixin().get_form(forms.Form),
            forms.Form,
            "get_form() should use provided form class.",
        )

        class FormClassTestFormMixin(TestFormMixin):
            form_class = forms.Form

        self.assertIsInstance(
            FormClassTestFormMixin().get_form(),
            forms.Form,
            "get_form() should fallback to get_form_class() if none is provided.",
        )

    def test_get_context_data(self):
        class FormContext(FormMixin):
            request = self.request_factory.get("/")
            form_class = forms.Form

        self.assertIsInstance(FormContext().get_context_data()["form"], forms.Form)


@override_settings(ROOT_URLCONF="generic_views.urls")
class BasicFormTests(TestCase):
    def test_post_data(self):
        res = self.client.post("/contact/", {"name": "Me", "message": "Hello"})
        self.assertRedirects(res, "/list/authors/")

    def test_late_form_validation(self):
        
        res = self.client.post("/late-validation/", {"name": "Me", "message": "Hello"})
        self.assertFalse(res.context["form"].is_valid())


class ModelFormMixinTests(SimpleTestCase):
    def test_get_form(self):
        form_class = views.AuthorGetQuerySetFormView().get_form_class()
        self.assertEqual(form_class._meta.model, Author)

    def test_get_form_checks_for_object(self):
        mixin = ModelFormMixin()
        mixin.request = RequestFactory().get("/")
        self.assertEqual({"initial": {}, "prefix": None}, mixin.get_form_kwargs())


@override_settings(ROOT_URLCONF="generic_views.urls")
class CreateViewTests(TestCase):
    def test_create(self):
        res = self.client.get("/edit/authors/create/")
        self.assertEqual(res.status_code, 200)
        self.assertIsInstance(res.context["form"], forms.ModelForm)
        self.assertIsInstance(res.context["view"], View)
        self.assertNotIn("object", res.context)
        self.assertNotIn("author", res.context)
        self.assertTemplateUsed(res, "generic_views/author_form.html")

        res = self.client.post(
            "/edit/authors/create/",
            {"name": "Randall Munroe", "slug": "randall-munroe"},
        )
        self.assertEqual(res.status_code, 302)
        self.assertRedirects(res, "/list/authors/")
        self.assertQuerySetEqual(
            Author.objects.values_list("name", flat=True), ["Randall Munroe"]
        )

    def test_create_invalid(self):
        res = self.client.post(
            "/edit/authors/create/", {"name": "A" * 101, "slug": "randall-munroe"}
        )
        self.assertEqual(res.status_code, 200)
        self.assertTemplateUsed(res, "generic_views/author_form.html")
        self.assertEqual(len(res.context["form"].errors), 1)
        self.assertEqual(Author.objects.count(), 0)

    def test_create_with_object_url(self):
        res = self.client.post("/edit/artists/create/", {"name": "Rene Magritte"})
        self.assertEqual(res.status_code, 302)
        artist = Artist.objects.get(name="Rene Magritte")
        self.assertRedirects(res, "/detail/artist/%d/" % artist.pk)
        self.assertQuerySetEqual(Artist.objects.all(), [artist])

    def test_create_with_redirect(self):
        res = self.client.post(
            "/edit/authors/create/redirect/",
            {"name": "Randall Munroe", "slug": "randall-munroe"},
        )
        self.assertEqual(res.status_code, 302)
        self.assertRedirects(res, "/edit/authors/create/")
        self.assertQuerySetEqual(
            Author.objects.values_list("name", flat=True), ["Randall Munroe"]
        )

    def test_create_with_interpolated_redirect(self):
        res = self.client.post(
            "/edit/authors/create/interpolate_redirect/",
            {"name": "Randall Munroe", "slug": "randall-munroe"},
        )
        self.assertQuerySetEqual(
            Author.objects.values_list("name", flat=True), ["Randall Munroe"]
        )
        self.assertEqual(res.status_code, 302)
        pk = Author.objects.first().pk
        self.assertRedirects(res, "/edit/author/%d/update/" % pk)
        
        res = self.client.post(
            "/edit/authors/create/interpolate_redirect_nonascii/",
            {"name": "John Doe", "slug": "john-doe"},
        )
        self.assertEqual(res.status_code, 302)
        pk = Author.objects.get(name="John Doe").pk
        self.assertRedirects(res, "/%C3%A9dit/author/{}/update/".format(pk))

    def test_create_with_special_properties(self):
        res = self.client.get("/edit/authors/create/special/")
        self.assertEqual(res.status_code, 200)
        self.assertIsInstance(res.context["form"], views.AuthorForm)
        self.assertNotIn("object", res.context)
        self.assertNotIn("author", res.context)
        self.assertTemplateUsed(res, "generic_views/form.html")

        res = self.client.post(
            "/edit/authors/create/special/",
            {"name": "Randall Munroe", "slug": "randall-munroe"},
        )
        self.assertEqual(res.status_code, 302)
        obj = Author.objects.get(slug="randall-munroe")
        self.assertRedirects(res, reverse("author_detail", kwargs={"pk": obj.pk}))
        self.assertQuerySetEqual(Author.objects.all(), [obj])

    def test_create_without_redirect(self):
        msg = (
            "No URL to redirect to.  Either provide a url or define a "
            "get_absolute_url method on the Model."
        )
        with self.assertRaisesMessage(ImproperlyConfigured, msg):
            self.client.post(
                "/edit/authors/create/naive/",
                {"name": "Randall Munroe", "slug": "randall-munroe"},
            )

    def test_create_restricted(self):
        res = self.client.post(
            "/edit/authors/create/restricted/",
            {"name": "Randall Munroe", "slug": "randall-munroe"},
        )
        self.assertEqual(res.status_code, 302)
        self.assertRedirects(
            res, "/accounts/login/?next=/edit/authors/create/restricted/"
        )

    def test_create_view_with_restricted_fields(self):
        class MyCreateView(CreateView):
            model = Author
            fields = ["name"]

        self.assertEqual(list(MyCreateView().get_form_class().base_fields), ["name"])

    def test_create_view_all_fields(self):
        class MyCreateView(CreateView):
            model = Author
            fields = "__all__"

        self.assertEqual(
            list(MyCreateView().get_form_class().base_fields), ["name", "slug"]
        )

    def test_create_view_without_explicit_fields(self):
        class MyCreateView(CreateView):
            model = Author

        message = (
            "Using ModelFormMixin (base class of MyCreateView) without the "
            "'fields' attribute is prohibited."
        )
        with self.assertRaisesMessage(ImproperlyConfigured, message):
            MyCreateView().get_form_class()

    def test_define_both_fields_and_form_class(self):
        class MyCreateView(CreateView):
            model = Author
            form_class = AuthorForm
            fields = ["name"]

        message = "Specifying both 'fields' and 'form_class' is not permitted."
        with self.assertRaisesMessage(ImproperlyConfigured, message):
            MyCreateView().get_form_class()


@override_settings(ROOT_URLCONF="generic_views.urls")
class UpdateViewTests(TestCase):
    @classmethod
    def setUpTestData(cls):
        cls.author = Author.objects.create(
            pk=1,  
            name="Randall Munroe",
            slug="randall-munroe",
        )

    def test_update_post(self):
        res = self.client.get("/edit/author/%d/update/" % self.author.pk)
        self.assertEqual(res.status_code, 200)
        self.assertIsInstance(res.context["form"], forms.ModelForm)
        self.assertEqual(res.context["object"], self.author)
        self.assertEqual(res.context["author"], self.author)
        self.assertTemplateUsed(res, "generic_views/author_form.html")
        self.assertEqual(res.context["view"].get_form_called_count, 1)

        
        res = self.client.post(
            "/edit/author/%d/update/" % self.author.pk,
            {"name": "Randall Munroe (xkcd)", "slug": "randall-munroe"},
        )
        self.assertEqual(res.status_code, 302)
        self.assertRedirects(res, "/list/authors/")
        self.assertQuerySetEqual(
            Author.objects.values_list("name", flat=True), ["Randall Munroe (xkcd)"]
        )

    def test_update_invalid(self):
        res = self.client.post(
            "/edit/author/%d/update/" % self.author.pk,
            {"name": "A" * 101, "slug": "randall-munroe"},
        )
        self.assertEqual(res.status_code, 200)
        self.assertTemplateUsed(res, "generic_views/author_form.html")
        self.assertEqual(len(res.context["form"].errors), 1)
        self.assertQuerySetEqual(Author.objects.all(), [self.author])
        self.assertEqual(res.context["view"].get_form_called_count, 1)

    def test_update_with_object_url(self):
        a = Artist.objects.create(name="Rene Magritte")
        res = self.client.post(
            "/edit/artists/%d/update/" % a.pk, {"name": "Rene Magritte"}
        )
        self.assertEqual(res.status_code, 302)
        self.assertRedirects(res, "/detail/artist/%d/" % a.pk)
        self.assertQuerySetEqual(Artist.objects.all(), [a])

    def test_update_with_redirect(self):
        res = self.client.post(
            "/edit/author/%d/update/redirect/" % self.author.pk,
            {"name": "Randall Munroe (author of xkcd)", "slug": "randall-munroe"},
        )
        self.assertEqual(res.status_code, 302)
        self.assertRedirects(res, "/edit/authors/create/")
        self.assertQuerySetEqual(
            Author.objects.values_list("name", flat=True),
            ["Randall Munroe (author of xkcd)"],
        )

    def test_update_with_interpolated_redirect(self):
        res = self.client.post(
            "/edit/author/%d/update/interpolate_redirect/" % self.author.pk,
            {"name": "Randall Munroe (author of xkcd)", "slug": "randall-munroe"},
        )
        self.assertQuerySetEqual(
            Author.objects.values_list("name", flat=True),
            ["Randall Munroe (author of xkcd)"],
        )
        self.assertEqual(res.status_code, 302)
        pk = Author.objects.first().pk
        self.assertRedirects(res, "/edit/author/%d/update/" % pk)
        
        res = self.client.post(
            "/edit/author/%d/update/interpolate_redirect_nonascii/" % self.author.pk,
            {"name": "John Doe", "slug": "john-doe"},
        )
        self.assertEqual(res.status_code, 302)
        pk = Author.objects.get(name="John Doe").pk
        self.assertRedirects(res, "/%C3%A9dit/author/{}/update/".format(pk))

    def test_update_with_special_properties(self):
        res = self.client.get("/edit/author/%d/update/special/" % self.author.pk)
        self.assertEqual(res.status_code, 200)
        self.assertIsInstance(res.context["form"], views.AuthorForm)
        self.assertEqual(res.context["object"], self.author)
        self.assertEqual(res.context["thingy"], self.author)
        self.assertNotIn("author", res.context)
        self.assertTemplateUsed(res, "generic_views/form.html")

        res = self.client.post(
            "/edit/author/%d/update/special/" % self.author.pk,
            {"name": "Randall Munroe (author of xkcd)", "slug": "randall-munroe"},
        )
        self.assertEqual(res.status_code, 302)
        self.assertRedirects(res, "/detail/author/%d/" % self.author.pk)
        self.assertQuerySetEqual(
            Author.objects.values_list("name", flat=True),
            ["Randall Munroe (author of xkcd)"],
        )

    def test_update_without_redirect(self):
        msg = (
            "No URL to redirect to.  Either provide a url or define a "
            "get_absolute_url method on the Model."
        )
        with self.assertRaisesMessage(ImproperlyConfigured, msg):
            self.client.post(
                "/edit/author/%d/update/naive/" % self.author.pk,
                {"name": "Randall Munroe (author of xkcd)", "slug": "randall-munroe"},
            )

    def test_update_get_object(self):
        res = self.client.get("/edit/author/update/")
        self.assertEqual(res.status_code, 200)
        self.assertIsInstance(res.context["form"], forms.ModelForm)
        self.assertIsInstance(res.context["view"], View)
        self.assertEqual(res.context["object"], self.author)
        self.assertEqual(res.context["author"], self.author)
        self.assertTemplateUsed(res, "generic_views/author_form.html")

        
        res = self.client.post(
            "/edit/author/update/",
            {"name": "Randall Munroe (xkcd)", "slug": "randall-munroe"},
        )
        self.assertEqual(res.status_code, 302)
        self.assertRedirects(res, "/list/authors/")
        self.assertQuerySetEqual(
            Author.objects.values_list("name", flat=True), ["Randall Munroe (xkcd)"]
        )


@override_settings(ROOT_URLCONF="generic_views.urls")
class DeleteViewTests(TestCase):
    @classmethod
    def setUpTestData(cls):
        cls.author = Author.objects.create(
            name="Randall Munroe",
            slug="randall-munroe",
        )

    def test_delete_by_post(self):
        res = self.client.get("/edit/author/%d/delete/" % self.author.pk)
        self.assertEqual(res.status_code, 200)
        self.assertEqual(res.context["object"], self.author)
        self.assertEqual(res.context["author"], self.author)
        self.assertTemplateUsed(res, "generic_views/author_confirm_delete.html")

        
        res = self.client.post("/edit/author/%d/delete/" % self.author.pk)
        self.assertEqual(res.status_code, 302)
        self.assertRedirects(res, "/list/authors/")
        self.assertQuerySetEqual(Author.objects.all(), [])

    def test_delete_by_delete(self):
        
        res = self.client.delete("/edit/author/%d/delete/" % self.author.pk)
        self.assertEqual(res.status_code, 302)
        self.assertRedirects(res, "/list/authors/")
        self.assertQuerySetEqual(Author.objects.all(), [])

    def test_delete_with_redirect(self):
        res = self.client.post("/edit/author/%d/delete/redirect/" % self.author.pk)
        self.assertEqual(res.status_code, 302)
        self.assertRedirects(res, "/edit/authors/create/")
        self.assertQuerySetEqual(Author.objects.all(), [])

    def test_delete_with_interpolated_redirect(self):
        res = self.client.post(
            "/edit/author/%d/delete/interpolate_redirect/" % self.author.pk
        )
        self.assertEqual(res.status_code, 302)
        self.assertRedirects(res, "/edit/authors/create/?deleted=%d" % self.author.pk)
        self.assertQuerySetEqual(Author.objects.all(), [])
        
        a = Author.objects.create(
            **{"name": "Randall Munroe", "slug": "randall-munroe"}
        )
        res = self.client.post(
            "/edit/author/{}/delete/interpolate_redirect_nonascii/".format(a.pk)
        )
        self.assertEqual(res.status_code, 302)
        self.assertRedirects(res, "/%C3%A9dit/authors/create/?deleted={}".format(a.pk))

    def test_delete_with_special_properties(self):
        res = self.client.get("/edit/author/%d/delete/special/" % self.author.pk)
        self.assertEqual(res.status_code, 200)
        self.assertEqual(res.context["object"], self.author)
        self.assertEqual(res.context["thingy"], self.author)
        self.assertNotIn("author", res.context)
        self.assertTemplateUsed(res, "generic_views/confirm_delete.html")

        res = self.client.post("/edit/author/%d/delete/special/" % self.author.pk)
        self.assertEqual(res.status_code, 302)
        self.assertRedirects(res, "/list/authors/")
        self.assertQuerySetEqual(Author.objects.all(), [])

    def test_delete_without_redirect(self):
        msg = "No URL to redirect to. Provide a success_url."
        with self.assertRaisesMessage(ImproperlyConfigured, msg):
            self.client.post("/edit/author/%d/delete/naive/" % self.author.pk)

    def test_delete_with_form_as_post(self):
        res = self.client.get("/edit/author/%d/delete/form/" % self.author.pk)
        self.assertEqual(res.status_code, 200)
        self.assertEqual(res.context["object"], self.author)
        self.assertEqual(res.context["author"], self.author)
        self.assertTemplateUsed(res, "generic_views/author_confirm_delete.html")
        res = self.client.post(
            "/edit/author/%d/delete/form/" % self.author.pk, data={"confirm": True}
        )
        self.assertEqual(res.status_code, 302)
        self.assertRedirects(res, "/list/authors/")
        self.assertSequenceEqual(Author.objects.all(), [])

    def test_delete_with_form_as_post_with_validation_error(self):
        res = self.client.get("/edit/author/%d/delete/form/" % self.author.pk)
        self.assertEqual(res.status_code, 200)
        self.assertEqual(res.context["object"], self.author)
        self.assertEqual(res.context["author"], self.author)
        self.assertTemplateUsed(res, "generic_views/author_confirm_delete.html")

        res = self.client.post("/edit/author/%d/delete/form/" % self.author.pk)
        self.assertEqual(res.status_code, 200)
        self.assertEqual(len(res.context_data["form"].errors), 2)
        self.assertEqual(
            res.context_data["form"].errors["__all__"],
            ["You must confirm the delete."],
        )
        self.assertEqual(
            res.context_data["form"].errors["confirm"],
            ["This field is required."],
        )