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import json
from datetime import datetime

from django.contrib.admin.models import ADDITION, CHANGE, DELETION, LogEntry
from django.contrib.admin.utils import quote
from django.contrib.auth.models import User
from django.contrib.contenttypes.models import ContentType
from django.test import TestCase, override_settings
from django.urls import reverse
from django.utils import translation
from django.utils.html import escape

from .models import Article, ArticleProxy, Car, Site


@override_settings(ROOT_URLCONF="admin_utils.urls")
class LogEntryTests(TestCase):
    @classmethod
    def setUpTestData(cls):
        cls.user = User.objects.create_superuser(
            username="super", password="secret", email="super@example.com"
        )
        cls.site = Site.objects.create(domain="example.org")
        cls.a1 = Article.objects.create(
            site=cls.site,
            title="Title",
            created=datetime(2008, 3, 12, 11, 54),
        )
        content_type_pk = ContentType.objects.get_for_model(Article).pk
        LogEntry.objects.log_action(
            cls.user.pk,
            content_type_pk,
            cls.a1.pk,
            repr(cls.a1),
            CHANGE,
            change_message="Changed something",
        )

    def setUp(self):
        self.client.force_login(self.user)

    def test_logentry_save(self):
        """
        LogEntry.action_time is a timestamp of the date when the entry was
        created. It shouldn't be updated on a subsequent save().
        """
        logentry = LogEntry.objects.get(content_type__model__iexact="article")
        action_time = logentry.action_time
        logentry.save()
        self.assertEqual(logentry.action_time, action_time)

    def test_logentry_change_message(self):
        """
        LogEntry.change_message is stored as a dumped JSON structure to be able
        to get the message dynamically translated at display time.
        """
        post_data = {
            "site": self.site.pk,
            "title": "Changed",
            "hist": "Some content",
            "created_0": "2008-03-12",
            "created_1": "11:54",
        }
        change_url = reverse(
            "admin:admin_utils_article_change", args=[quote(self.a1.pk)]
        )
        response = self.client.post(change_url, post_data)
        self.assertRedirects(response, reverse("admin:admin_utils_article_changelist"))
        logentry = LogEntry.objects.filter(
            content_type__model__iexact="article"
        ).latest("id")
        self.assertEqual(logentry.get_change_message(), "Changed Title and History.")
        with translation.override("fr"):
            self.assertEqual(
                logentry.get_change_message(), "Modification de Title et Historique."
            )

        add_url = reverse("admin:admin_utils_article_add")
        post_data["title"] = "New"
        response = self.client.post(add_url, post_data)
        self.assertRedirects(response, reverse("admin:admin_utils_article_changelist"))
        logentry = LogEntry.objects.filter(
            content_type__model__iexact="article"
        ).latest("id")
        self.assertEqual(logentry.get_change_message(), "Added.")
        with translation.override("fr"):
            self.assertEqual(logentry.get_change_message(), "Ajout.")

    def test_logentry_change_message_not_json(self):
        """LogEntry.change_message was a string before Django 1.10."""
        logentry = LogEntry(change_message="non-JSON string")
        self.assertEqual(logentry.get_change_message(), logentry.change_message)

    def test_logentry_change_message_localized_datetime_input(self):
        """
        Localized date/time inputs shouldn't affect changed form data detection.
        """
        post_data = {
            "site": self.site.pk,
            "title": "Changed",
            "hist": "Some content",
            "created_0": "12/03/2008",
            "created_1": "11:54",
        }
        with translation.override("fr"):
            change_url = reverse(
                "admin:admin_utils_article_change", args=[quote(self.a1.pk)]
            )
            response = self.client.post(change_url, post_data)
            self.assertRedirects(
                response, reverse("admin:admin_utils_article_changelist")
            )
        logentry = LogEntry.objects.filter(
            content_type__model__iexact="article"
        ).latest("id")
        self.assertEqual(logentry.get_change_message(), "Changed Title and History.")

    def test_logentry_change_message_formsets(self):
        """
        All messages for changed formsets are logged in a change message.
        """
        a2 = Article.objects.create(
            site=self.site,
            title="Title second article",
            created=datetime(2012, 3, 18, 11, 54),
        )
        post_data = {
            "domain": "example.com",  # domain changed
            "admin_articles-TOTAL_FORMS": "5",
            "admin_articles-INITIAL_FORMS": "2",
            "admin_articles-MIN_NUM_FORMS": "0",
            "admin_articles-MAX_NUM_FORMS": "1000",
            # Changed title for 1st article
            "admin_articles-0-id": str(self.a1.pk),
            "admin_articles-0-site": str(self.site.pk),
            "admin_articles-0-title": "Changed Title",
            # Second article is deleted
            "admin_articles-1-id": str(a2.pk),
            "admin_articles-1-site": str(self.site.pk),
            "admin_articles-1-title": "Title second article",
            "admin_articles-1-DELETE": "on",
            # A new article is added
            "admin_articles-2-site": str(self.site.pk),
            "admin_articles-2-title": "Added article",
        }
        change_url = reverse(
            "admin:admin_utils_site_change", args=[quote(self.site.pk)]
        )
        response = self.client.post(change_url, post_data)
        self.assertRedirects(response, reverse("admin:admin_utils_site_changelist"))
        self.assertSequenceEqual(Article.objects.filter(pk=a2.pk), [])
        logentry = LogEntry.objects.filter(content_type__model__iexact="site").latest(
            "action_time"
        )
        self.assertEqual(
            json.loads(logentry.change_message),
            [
                {"changed": {"fields": ["Domain"]}},
                {"added": {"object": "Added article", "name": "article"}},
                {
                    "changed": {
                        "fields": ["Title", "not_a_form_field"],
                        "object": "Changed Title",
                        "name": "article",
                    }
                },
                {"deleted": {"object": "Title second article", "name": "article"}},
            ],
        )
        self.assertEqual(
            logentry.get_change_message(),
            "Changed Domain. Added article “Added article”. "
            "Changed Title and not_a_form_field for article “Changed Title”. "
            "Deleted article “Title second article”.",
        )

        with translation.override("fr"):
            self.assertEqual(
                logentry.get_change_message(),
                "Modification de Domain. Ajout de article « Added article ». "
                "Modification de Title et not_a_form_field pour l'objet "
                "article « Changed Title ». "
                "Suppression de article « Title second article ».",
            )

    def test_logentry_get_edited_object(self):
        """
        LogEntry.get_edited_object() returns the edited object of a LogEntry
        object.
        """
        logentry = LogEntry.objects.get(content_type__model__iexact="article")
        edited_obj = logentry.get_edited_object()
        self.assertEqual(logentry.object_id, str(edited_obj.pk))

    def test_logentry_get_admin_url(self):
        """
        LogEntry.get_admin_url returns a URL to edit the entry's object or
        None for nonexistent (possibly deleted) models.
        """
        logentry = LogEntry.objects.get(content_type__model__iexact="article")
        expected_url = reverse(
            "admin:admin_utils_article_change", args=(quote(self.a1.pk),)
        )
        self.assertEqual(logentry.get_admin_url(), expected_url)
        self.assertIn("article/%d/change/" % self.a1.pk, logentry.get_admin_url())

        logentry.content_type.model = "nonexistent"
        self.assertIsNone(logentry.get_admin_url())

    def test_logentry_unicode(self):
        log_entry = LogEntry()

        log_entry.action_flag = ADDITION
        self.assertTrue(str(log_entry).startswith("Added "))

        log_entry.action_flag = CHANGE
        self.assertTrue(str(log_entry).startswith("Changed "))

        log_entry.action_flag = DELETION
        self.assertTrue(str(log_entry).startswith("Deleted "))

        # Make sure custom action_flags works
        log_entry.action_flag = 4
        self.assertEqual(str(log_entry), "LogEntry Object")

    def test_logentry_repr(self):
        logentry = LogEntry.objects.first()
        self.assertEqual(repr(logentry), str(logentry.action_time))

    def test_log_action(self):
        content_type_pk = ContentType.objects.get_for_model(Article).pk
        log_entry = LogEntry.objects.log_action(
            self.user.pk,
            content_type_pk,
            self.a1.pk,
            repr(self.a1),
            CHANGE,
            change_message="Changed something else",
        )
        self.assertEqual(log_entry, LogEntry.objects.latest("id"))

    def test_recentactions_without_content_type(self):
        """
        If a LogEntry is missing content_type it will not display it in span
        tag under the hyperlink.
        """
        response = self.client.get(reverse("admin:index"))
        link = reverse("admin:admin_utils_article_change", args=(quote(self.a1.pk),))
        should_contain = """<a href="%s">%s</a>""" % (
            escape(link),
            escape(repr(self.a1)),
        )
        self.assertContains(response, should_contain)
        should_contain = "Article"
        self.assertContains(response, should_contain)
        logentry = LogEntry.objects.get(content_type__model__iexact="article")
        # If the log entry doesn't have a content type it should still be
        # possible to view the Recent Actions part (#10275).
        logentry.content_type = None
        logentry.save()

        should_contain = should_contain.encode()
        counted_presence_before = response.content.count(should_contain)
        response = self.client.get(reverse("admin:index"))
        counted_presence_after = response.content.count(should_contain)
        self.assertEqual(counted_presence_before - 1, counted_presence_after)

    def test_proxy_model_content_type_is_used_for_log_entries(self):
        """
        Log entries for proxy models should have the proxy model's contenttype
        (#21084).
        """
        proxy_content_type = ContentType.objects.get_for_model(
            ArticleProxy, for_concrete_model=False
        )
        post_data = {
            "site": self.site.pk,
            "title": "Foo",
            "hist": "Bar",
            "created_0": "2015-12-25",
            "created_1": "00:00",
        }
        changelist_url = reverse("admin:admin_utils_articleproxy_changelist")

        # add
        proxy_add_url = reverse("admin:admin_utils_articleproxy_add")
        response = self.client.post(proxy_add_url, post_data)
        self.assertRedirects(response, changelist_url)
        proxy_addition_log = LogEntry.objects.latest("id")
        self.assertEqual(proxy_addition_log.action_flag, ADDITION)
        self.assertEqual(proxy_addition_log.content_type, proxy_content_type)

        # change
        article_id = proxy_addition_log.object_id
        proxy_change_url = reverse(
            "admin:admin_utils_articleproxy_change", args=(article_id,)
        )
        post_data["title"] = "New"
        response = self.client.post(proxy_change_url, post_data)
        self.assertRedirects(response, changelist_url)
        proxy_change_log = LogEntry.objects.latest("id")
        self.assertEqual(proxy_change_log.action_flag, CHANGE)
        self.assertEqual(proxy_change_log.content_type, proxy_content_type)

        # delete
        proxy_delete_url = reverse(
            "admin:admin_utils_articleproxy_delete", args=(article_id,)
        )
        response = self.client.post(proxy_delete_url, {"post": "yes"})
        self.assertRedirects(response, changelist_url)
        proxy_delete_log = LogEntry.objects.latest("id")
        self.assertEqual(proxy_delete_log.action_flag, DELETION)
        self.assertEqual(proxy_delete_log.content_type, proxy_content_type)

    def test_action_flag_choices(self):
        tests = ((1, "Addition"), (2, "Change"), (3, "Deletion"))
        for action_flag, display_name in tests:
            with self.subTest(action_flag=action_flag):
                log = LogEntry(action_flag=action_flag)
                self.assertEqual(log.get_action_flag_display(), display_name)

    def test_hook_get_log_entries(self):
        LogEntry.objects.log_action(
            self.user.pk,
            ContentType.objects.get_for_model(Article).pk,
            self.a1.pk,
            "Article changed",
            CHANGE,
            change_message="Article changed message",
        )
        c1 = Car.objects.create()
        LogEntry.objects.log_action(
            self.user.pk,
            ContentType.objects.get_for_model(Car).pk,
            c1.pk,
            "Car created",
            ADDITION,
            change_message="Car created message",
        )
        response = self.client.get(reverse("admin:index"))
        self.assertContains(response, "Article changed")
        self.assertContains(response, "Car created")

        # site "custom_admin" only renders log entries of registered models
        response = self.client.get(reverse("custom_admin:index"))
        self.assertContains(response, "Article changed")
        self.assertNotContains(response, "Car created")

	import json
	from datetime import datetime

	from django.contrib.admin.models import ADDITION, CHANGE, DELETION, LogEntry
	from django.contrib.admin.utils import quote
	from django.contrib.auth.models import User
	from django.contrib.contenttypes.models import ContentType
	from django.test import TestCase, override_settings
	from django.urls import reverse
	from django.utils import translation
	from django.utils.html import escape

	from .models import Article, ArticleProxy, Car, Site


	@override_settings(ROOT_URLCONF="admin_utils.urls")
	class LogEntryTests(TestCase):
	@classmethod
	def setUpTestData(cls):
	cls.user = User.objects.create_superuser(
	username="super", password="secret", email="super@example.com"
	)
	cls.site = Site.objects.create(domain="example.org")
	cls.a1 = Article.objects.create(
	site=cls.site,
	title="Title",
	created=datetime(2008, 3, 12, 11, 54),
	)
	content_type_pk = ContentType.objects.get_for_model(Article).pk
	LogEntry.objects.log_action(
	cls.user.pk,
	content_type_pk,
	cls.a1.pk,
	repr(cls.a1),
	CHANGE,
	change_message="Changed something",
	)

	def setUp(self):
	self.client.force_login(self.user)

	def test_logentry_save(self):
	"""
	LogEntry.action_time is a timestamp of the date when the entry was
	created. It shouldn't be updated on a subsequent save().
	"""
	logentry = LogEntry.objects.get(content_type__model__iexact="article")
	action_time = logentry.action_time
	logentry.save()
	self.assertEqual(logentry.action_time, action_time)

	def test_logentry_change_message(self):
	"""
	LogEntry.change_message is stored as a dumped JSON structure to be able
	to get the message dynamically translated at display time.
	"""
	post_data = {
	"site": self.site.pk,
	"title": "Changed",
	"hist": "Some content",
	"created_0": "2008-03-12",
	"created_1": "11:54",
	}
	change_url = reverse(
	"admin:admin_utils_article_change", args=[quote(self.a1.pk)]
	)
	response = self.client.post(change_url, post_data)
	self.assertRedirects(response, reverse("admin:admin_utils_article_changelist"))
	logentry = LogEntry.objects.filter(
	content_type__model__iexact="article"
	).latest("id")
	self.assertEqual(logentry.get_change_message(), "Changed Title and History.")
	with translation.override("fr"):
	self.assertEqual(
	logentry.get_change_message(), "Modification de Title et Historique."
	)

	add_url = reverse("admin:admin_utils_article_add")
	post_data["title"] = "New"
	response = self.client.post(add_url, post_data)
	self.assertRedirects(response, reverse("admin:admin_utils_article_changelist"))
	logentry = LogEntry.objects.filter(
	content_type__model__iexact="article"
	).latest("id")
	self.assertEqual(logentry.get_change_message(), "Added.")
	with translation.override("fr"):
	self.assertEqual(logentry.get_change_message(), "Ajout.")

	def test_logentry_change_message_not_json(self):
	"""LogEntry.change_message was a string before Django 1.10."""
	logentry = LogEntry(change_message="non-JSON string")
	self.assertEqual(logentry.get_change_message(), logentry.change_message)

	def test_logentry_change_message_localized_datetime_input(self):
	"""
	Localized date/time inputs shouldn't affect changed form data detection.
	"""
	post_data = {
	"site": self.site.pk,
	"title": "Changed",
	"hist": "Some content",
	"created_0": "12/03/2008",
	"created_1": "11:54",
	}
	with translation.override("fr"):
	change_url = reverse(
	"admin:admin_utils_article_change", args=[quote(self.a1.pk)]
	)
	response = self.client.post(change_url, post_data)
	self.assertRedirects(
	response, reverse("admin:admin_utils_article_changelist")
	)
	logentry = LogEntry.objects.filter(
	content_type__model__iexact="article"
	).latest("id")
	self.assertEqual(logentry.get_change_message(), "Changed Title and History.")

	def test_logentry_change_message_formsets(self):
	"""
	All messages for changed formsets are logged in a change message.
	"""
	a2 = Article.objects.create(
	site=self.site,
	title="Title second article",
	created=datetime(2012, 3, 18, 11, 54),
	)
	post_data = {
	"domain": "example.com", # domain changed
	"admin_articles-TOTAL_FORMS": "5",
	"admin_articles-INITIAL_FORMS": "2",
	"admin_articles-MIN_NUM_FORMS": "0",
	"admin_articles-MAX_NUM_FORMS": "1000",
	# Changed title for 1st article
	"admin_articles-0-id": str(self.a1.pk),
	"admin_articles-0-site": str(self.site.pk),
	"admin_articles-0-title": "Changed Title",
	# Second article is deleted
	"admin_articles-1-id": str(a2.pk),
	"admin_articles-1-site": str(self.site.pk),
	"admin_articles-1-title": "Title second article",
	"admin_articles-1-DELETE": "on",
	# A new article is added
	"admin_articles-2-site": str(self.site.pk),
	"admin_articles-2-title": "Added article",
	}
	change_url = reverse(
	"admin:admin_utils_site_change", args=[quote(self.site.pk)]
	)
	response = self.client.post(change_url, post_data)
	self.assertRedirects(response, reverse("admin:admin_utils_site_changelist"))
	self.assertSequenceEqual(Article.objects.filter(pk=a2.pk), [])
	logentry = LogEntry.objects.filter(content_type__model__iexact="site").latest(
	"action_time"
	)
	self.assertEqual(
	json.loads(logentry.change_message),
	[
	{"changed": {"fields": ["Domain"]}},
	{"added": {"object": "Added article", "name": "article"}},
	{
	"changed": {
	"fields": ["Title", "not_a_form_field"],
	"object": "Changed Title",
	"name": "article",
	}
	},
	{"deleted": {"object": "Title second article", "name": "article"}},
	],
	)
	self.assertEqual(
	logentry.get_change_message(),
	"Changed Domain. Added article “Added article”. "
	"Changed Title and not_a_form_field for article “Changed Title”. "
	"Deleted article “Title second article”.",
	)

	with translation.override("fr"):
	self.assertEqual(
	logentry.get_change_message(),
	"Modification de Domain. Ajout de article « Added article ». "
	"Modification de Title et not_a_form_field pour l'objet "
	"article « Changed Title ». "
	"Suppression de article « Title second article ».",
	)

	def test_logentry_get_edited_object(self):
	"""
	LogEntry.get_edited_object() returns the edited object of a LogEntry
	object.
	"""
	logentry = LogEntry.objects.get(content_type__model__iexact="article")
	edited_obj = logentry.get_edited_object()
	self.assertEqual(logentry.object_id, str(edited_obj.pk))

	def test_logentry_get_admin_url(self):
	"""
	LogEntry.get_admin_url returns a URL to edit the entry's object or
	None for nonexistent (possibly deleted) models.
	"""
	logentry = LogEntry.objects.get(content_type__model__iexact="article")
	expected_url = reverse(
	"admin:admin_utils_article_change", args=(quote(self.a1.pk),)
	)
	self.assertEqual(logentry.get_admin_url(), expected_url)
	self.assertIn("article/%d/change/" % self.a1.pk, logentry.get_admin_url())

	logentry.content_type.model = "nonexistent"
	self.assertIsNone(logentry.get_admin_url())

	def test_logentry_unicode(self):
	log_entry = LogEntry()

	log_entry.action_flag = ADDITION
	self.assertTrue(str(log_entry).startswith("Added "))

	log_entry.action_flag = CHANGE
	self.assertTrue(str(log_entry).startswith("Changed "))

	log_entry.action_flag = DELETION
	self.assertTrue(str(log_entry).startswith("Deleted "))

	# Make sure custom action_flags works
	log_entry.action_flag = 4
	self.assertEqual(str(log_entry), "LogEntry Object")

	def test_logentry_repr(self):
	logentry = LogEntry.objects.first()
	self.assertEqual(repr(logentry), str(logentry.action_time))

	def test_log_action(self):
	content_type_pk = ContentType.objects.get_for_model(Article).pk
	log_entry = LogEntry.objects.log_action(
	self.user.pk,
	content_type_pk,
	self.a1.pk,
	repr(self.a1),
	CHANGE,
	change_message="Changed something else",
	)
	self.assertEqual(log_entry, LogEntry.objects.latest("id"))

	def test_recentactions_without_content_type(self):
	"""
	If a LogEntry is missing content_type it will not display it in span
	tag under the hyperlink.
	"""
	response = self.client.get(reverse("admin:index"))
	link = reverse("admin:admin_utils_article_change", args=(quote(self.a1.pk),))
	should_contain = """<a href="%s">%s</a>""" % (
	escape(link),
	escape(repr(self.a1)),
	)
	self.assertContains(response, should_contain)
	should_contain = "Article"
	self.assertContains(response, should_contain)
	logentry = LogEntry.objects.get(content_type__model__iexact="article")
	# If the log entry doesn't have a content type it should still be
	# possible to view the Recent Actions part (#10275).
	logentry.content_type = None
	logentry.save()

	should_contain = should_contain.encode()
	counted_presence_before = response.content.count(should_contain)
	response = self.client.get(reverse("admin:index"))
	counted_presence_after = response.content.count(should_contain)
	self.assertEqual(counted_presence_before - 1, counted_presence_after)

	def test_proxy_model_content_type_is_used_for_log_entries(self):
	"""
	Log entries for proxy models should have the proxy model's contenttype
	(#21084).
	"""
	proxy_content_type = ContentType.objects.get_for_model(
	ArticleProxy, for_concrete_model=False
	)
	post_data = {
	"site": self.site.pk,
	"title": "Foo",
	"hist": "Bar",
	"created_0": "2015-12-25",
	"created_1": "00:00",
	}
	changelist_url = reverse("admin:admin_utils_articleproxy_changelist")

	# add
	proxy_add_url = reverse("admin:admin_utils_articleproxy_add")
	response = self.client.post(proxy_add_url, post_data)
	self.assertRedirects(response, changelist_url)
	proxy_addition_log = LogEntry.objects.latest("id")
	self.assertEqual(proxy_addition_log.action_flag, ADDITION)
	self.assertEqual(proxy_addition_log.content_type, proxy_content_type)

	# change
	article_id = proxy_addition_log.object_id
	proxy_change_url = reverse(
	"admin:admin_utils_articleproxy_change", args=(article_id,)
	)
	post_data["title"] = "New"
	response = self.client.post(proxy_change_url, post_data)
	self.assertRedirects(response, changelist_url)
	proxy_change_log = LogEntry.objects.latest("id")
	self.assertEqual(proxy_change_log.action_flag, CHANGE)
	self.assertEqual(proxy_change_log.content_type, proxy_content_type)

	# delete
	proxy_delete_url = reverse(
	"admin:admin_utils_articleproxy_delete", args=(article_id,)
	)
	response = self.client.post(proxy_delete_url, {"post": "yes"})
	self.assertRedirects(response, changelist_url)
	proxy_delete_log = LogEntry.objects.latest("id")
	self.assertEqual(proxy_delete_log.action_flag, DELETION)
	self.assertEqual(proxy_delete_log.content_type, proxy_content_type)

	def test_action_flag_choices(self):
	tests = ((1, "Addition"), (2, "Change"), (3, "Deletion"))
	for action_flag, display_name in tests:
	with self.subTest(action_flag=action_flag):
	log = LogEntry(action_flag=action_flag)
	self.assertEqual(log.get_action_flag_display(), display_name)

	def test_hook_get_log_entries(self):
	LogEntry.objects.log_action(
	self.user.pk,
	ContentType.objects.get_for_model(Article).pk,
	self.a1.pk,
	"Article changed",
	CHANGE,
	change_message="Article changed message",
	)
	c1 = Car.objects.create()
	LogEntry.objects.log_action(
	self.user.pk,
	ContentType.objects.get_for_model(Car).pk,
	c1.pk,
	"Car created",
	ADDITION,
	change_message="Car created message",
	)
	response = self.client.get(reverse("admin:index"))
	self.assertContains(response, "Article changed")
	self.assertContains(response, "Car created")

	# site "custom_admin" only renders log entries of registered models
	response = self.client.get(reverse("custom_admin:index"))
	self.assertContains(response, "Article changed")
	self.assertNotContains(response, "Car created")