def test_post_with_collections(self):
        root_collection = Collection.get_first_root_node()
        evil_plans_collection = root_collection.add_child(name="Evil plans")

        # Build a fake file
        fake_file = ContentFile(b("A boring example document"))
        fake_file.name = 'test.txt'

        # Submit
        post_data = {
            'title': "Test document",
            'file': fake_file,
            'collection': evil_plans_collection.id,
        }
        response = self.client.post(reverse('wagtaildocs:add'), post_data)

        # User should be redirected back to the index
        self.assertRedirects(response, reverse('wagtaildocs:index'))

        # Document should be created, and be placed in the Evil Plans collection
        self.assertTrue(models.Document.objects.filter(title="Test document").exists())
        root_collection = Collection.get_first_root_node()
        self.assertEqual(
            models.Document.objects.get(title="Test document").collection,
            evil_plans_collection
        )

    def test_add_post_with_collections(self):
        """
        This tests that a POST request to the add view saves the document
        and returns an edit form, when collections are active
        """

        root_collection = Collection.get_first_root_node()
        evil_plans_collection = root_collection.add_child(name="Evil plans")

        response = self.client.post(reverse('wagtaildocs:add_multiple'), {
            'files[]': SimpleUploadedFile('test.png', b"Simple text document"),
            'collection': evil_plans_collection.id
        }, HTTP_X_REQUESTED_WITH='XMLHttpRequest')

        # Check response
        self.assertEqual(response.status_code, 200)
        self.assertEqual(response['Content-Type'], 'application/json')
        self.assertTemplateUsed(response, 'wagtaildocs/multiple/edit_form.html')

        # Check document
        self.assertIn('doc', response.context)
        self.assertEqual(response.context['doc'].title, 'test.png')
        self.assertTrue(response.context['doc'].file_size)
        self.assertTrue(response.context['doc'].file_hash)

        # check that it is in the 'evil plans' collection
        doc = models.get_document_model().objects.get(title='test.png')
        root_collection = Collection.get_first_root_node()
        self.assertEqual(doc.collection, evil_plans_collection)

        # Check form
        self.assertIn('form', response.context)
        self.assertEqual(
            set(response.context['form'].fields),
            set(models.get_document_model().admin_form_fields) - {'file'} | {'collection'},
        )
        self.assertEqual(response.context['form'].initial['title'], 'test.png')

        # Check JSON
        response_json = json.loads(response.content.decode())
        self.assertIn('doc_id', response_json)
        self.assertIn('form', response_json)
        self.assertIn('success', response_json)
        self.assertEqual(response_json['doc_id'], response.context['doc'].id)
        self.assertTrue(response_json['success'])

        # form should contain a collection chooser
        self.assertIn('Collection', response_json['form'])

    def test_post_video_with_collections(self):
        root_collection = Collection.get_first_root_node()
        evil_plans_collection = root_collection.add_child(name="Evil plans")

        # Build a fake file
        fake_file = ContentFile(b("A boring example movie"))
        fake_file.name = 'movie.mp3'

        # Submit
        post_data = {
            'title': "Test media",
            'file': fake_file,
            'duration': 100,
            'collection': evil_plans_collection.id,
        }
        response = self.client.post(reverse('wagtailmedia:add', args=('video', )), post_data)

        # User should be redirected back to the index
        self.assertRedirects(response, reverse('wagtailmedia:index'))

        # Media should be created, and be placed in the Evil Plans collection
        self.assertTrue(models.Media.objects.filter(title="Test media").exists())

        media = models.Media.objects.get(title="Test media")
        self.assertEqual(media.collection, evil_plans_collection)
        self.assertEqual(media.type, 'video')

    def setUp(self):
        # Build a fake file
        fake_file = ContentFile(b("A boring example song"))
        fake_file.name = 'song.mp3'

        self.root_collection = Collection.get_first_root_node()
        self.evil_plans_collection = self.root_collection.add_child(name="Evil plans")
        self.nice_plans_collection = self.root_collection.add_child(name="Nice plans")

        # Create a media to edit
        self.media = models.Media.objects.create(
            title="Test media", file=fake_file, collection=self.nice_plans_collection, duration=100
        )

        # Create a user with change_media permission but not add_media
        user = get_user_model().objects.create_user(
            username='changeonly',
            email='[email protected]',
            password='password'
        )
        change_permission = Permission.objects.get(
            content_type__app_label='wagtailmedia', codename='change_media'
        )
        admin_permission = Permission.objects.get(
            content_type__app_label='wagtailadmin', codename='access_admin'
        )
        self.changers_group = Group.objects.create(name='Media changers')
        GroupCollectionPermission.objects.create(
            group=self.changers_group, collection=self.root_collection,
            permission=change_permission
        )
        user.groups.add(self.changers_group)

        user.user_permissions.add(admin_permission)
        self.assertTrue(self.client.login(username='changeonly', password='password'))

    def test_post(self):
        # Build a fake file
        fake_file = ContentFile(b("A boring example document"))
        fake_file.name = 'test.txt'

        # Submit
        post_data = {
            'title': "Test document",
            'file': fake_file,
        }
        response = self.client.post(reverse('wagtaildocs:add'), post_data)

        # User should be redirected back to the index
        self.assertRedirects(response, reverse('wagtaildocs:index'))

        # Document should be created, and be placed in the root collection
        document = models.Document.objects.get(title="Test document")
        root_collection = Collection.get_first_root_node()
        self.assertEqual(
            document.collection,
            root_collection
        )

        # Check that the file_size field was set
        self.assertTrue(document.file_size)

    def setUp(self):
        # Create some user accounts for testing permissions
        User = get_user_model()
        self.user = User.objects.create_user(username='user', email='[email protected]', password='password')
        self.owner = User.objects.create_user(username='owner', email='[email protected]', password='password')
        self.editor = User.objects.create_user(username='editor', email='[email protected]', password='password')
        self.editor.groups.add(Group.objects.get(name='Editors'))
        self.administrator = User.objects.create_superuser(
            username='administrator', email='[email protected]', password='password'
        )

        # Owner user must have the add_image permission
        image_adders_group = Group.objects.create(name="Image adders")
        GroupCollectionPermission.objects.create(
            group=image_adders_group,
            collection=Collection.get_first_root_node(),
            permission=Permission.objects.get(codename='add_image'),
        )
        self.owner.groups.add(image_adders_group)

        # Create an image for running tests on
        self.image = Image.objects.create(
            title="Test image",
            uploaded_by_user=self.owner,
            file=get_test_image_file(),
        )

    def test_pagination_preserves_other_params(self):
        root_collection = Collection.get_first_root_node()
        evil_plans_collection = root_collection.add_child(name="Evil plans")

        for i in range(1, 50):
            self.image = Image.objects.create(
                title="Test image %i" % i,
                file=get_test_image_file(),
                collection=evil_plans_collection
            )

        response = self.get({'collection_id': evil_plans_collection.id, 'p': 2})
        self.assertEqual(response.status_code, 200)

        response_body = response.content.decode('utf8')

        # prev link should exist and include collection_id
        self.assertTrue(
            ("?p=1&collection_id=%i" % evil_plans_collection.id) in response_body or
            ("?collection_id=%i&p=1" % evil_plans_collection.id) in response_body
        )
        # next link should exist and include collection_id
        self.assertTrue(
            ("?p=3&collection_id=%i" % evil_plans_collection.id) in response_body or
            ("?collection_id=%i&p=3" % evil_plans_collection.id) in response_body
        )

    def setUp(self):
        add_doc_permission = Permission.objects.get(
            content_type__app_label='wagtaildocs', codename='add_document'
        )
        admin_permission = Permission.objects.get(
            content_type__app_label='wagtailadmin', codename='access_admin'
        )

        root_collection = Collection.get_first_root_node()
        self.evil_plans_collection = root_collection.add_child(name="Evil plans")

        conspirators_group = Group.objects.create(name="Evil conspirators")
        conspirators_group.permissions.add(admin_permission)
        GroupCollectionPermission.objects.create(
            group=conspirators_group,
            collection=self.evil_plans_collection,
            permission=add_doc_permission
        )

        user = get_user_model().objects.create_user(
            username='moriarty',
            email='[email protected]',
            password='password'
        )
        user.groups.add(conspirators_group)

        self.client.login(username='moriarty', password='password')

def index(request):
    Image = get_image_model()

    # Get images (filtered by user permission)
    images = permission_policy.instances_user_has_any_permission_for(
        request.user, ['change', 'delete']
    ).order_by('-created_at')

    # Search
    query_string = None
    if 'q' in request.GET:
        form = SearchForm(request.GET, placeholder=_("Search images"))
        if form.is_valid():
            query_string = form.cleaned_data['q']

            images = images.search(query_string)
    else:
        form = SearchForm(placeholder=_("Search images"))

    # Filter by collection
    current_collection = None
    collection_id = request.GET.get('collection_id')
    if collection_id:
        try:
            current_collection = Collection.objects.get(id=collection_id)
            images = images.filter(collection=current_collection)
        except (ValueError, Collection.DoesNotExist):
            pass

    paginator = Paginator(images, per_page=20)
    images = paginator.get_page(request.GET.get('p'))

    collections = permission_policy.collections_user_has_any_permission_for(
        request.user, ['add', 'change']
    )
    if len(collections) < 2:
        collections = None
    else:
        collections = Collection.order_for_display(collections)

    # Create response
    if request.is_ajax():
        return render(request, 'wagtailimages/images/results.html', {
            'images': images,
            'query_string': query_string,
            'is_searching': bool(query_string),
        })
    else:
        return render(request, 'wagtailimages/images/index.html', {
            'images': images,
            'query_string': query_string,
            'is_searching': bool(query_string),

            'search_form': form,
            'popular_tags': popular_tags_for_model(Image),
            'collections': collections,
            'current_collection': current_collection,
            'user_can_add': permission_policy.user_has_permission(request.user, 'add'),
        })

 def setUp(self):
     self.root_collection = Collection.get_first_root_node()
     self.holiday_photos_collection = self.root_collection.add_child(
         name="Holiday photos"
     )
     self.evil_plans_collection = self.root_collection.add_child(
         name="Evil plans"
     )

    def test_index_with_collection(self):
        root_collection = Collection.get_first_root_node()
        root_collection.add_child(name="Evil plans")

        self.make_docs()

        response = self.client.get(reverse('wagtaildocs:index'))
        self.assertContains(response, '<th>Collection</th>')
        self.assertContains(response, '<td>Root</td>')

 def test_ordering(self):
     root_collection = Collection.get_first_root_node()
     root_collection.add_child(name="Milk")
     root_collection.add_child(name="Bread")
     root_collection.add_child(name="Avacado")
     response = self.get()
     self.assertEqual(
         [collection.name for collection in response.context['object_list']],
         ['Avacado', 'Bread', 'Milk'])

def dummy_wagtail_doc(request):
    if not Collection.objects.exists():  # pragma: no cover
        Collection.add_root()

    doc = Document(title='hello')
    doc.file.save('foo.txt', ContentFile('foo', 'foo.txt'))
    doc.save()
    doc = Document.objects.get(pk=doc.pk)  # Reload to ensure the upload took

    def nuke():
        try:  # Try cleaning up so `/var/media` isn't full of foo
            doc.file.delete()
            doc.delete()
        except:  # pragma: no cover
            pass

    request.addfinalizer(nuke)
    return doc

    def test_get_with_collections(self):
        root_collection = Collection.get_first_root_node()
        root_collection.add_child(name="Evil plans")

        response = self.get()
        self.assertEqual(response.status_code, 200)
        self.assertTemplateUsed(response, 'wagtailimages/images/add.html')

        self.assertContains(response, '<label for="id_collection">')
        self.assertContains(response, "Evil plans")

    def test_get_with_collections(self):
        root_collection = Collection.get_first_root_node()
        root_collection.add_child(name="Evil plans")

        response = self.client.get(reverse('wagtaildocs:add'))
        self.assertEqual(response.status_code, 200)
        self.assertTemplateUsed(response, 'wagtaildocs/documents/add.html')

        self.assertContains(response, '<label for="id_collection">')
        self.assertContains(response, "Evil plans")

    def test_add_with_collections(self):
        root_collection = Collection.get_first_root_node()
        root_collection.add_child(name="Evil plans")

        # Send request
        response = self.client.get(reverse('wagtaildocs:add_multiple'))

        # Check response
        self.assertEqual(response.status_code, 200)
        self.assertTemplateUsed(response, 'wagtaildocs/multiple/add.html')

        # collection chooser should exisst
        self.assertContains(response, '<label for="id_adddocument_collection">')
        self.assertContains(response, 'Evil plans')

    def test_post(self):
        response = self.post({
            'name': "Holiday snaps",
        })

        # Should redirect back to index
        self.assertRedirects(response, reverse('wagtailadmin_collections:index'))

        # Check that the collection was created and is a child of root
        self.assertEqual(Collection.objects.filter(name="Holiday snaps").count(), 1)

        root_collection = Collection.get_first_root_node()
        self.assertEqual(
            Collection.objects.get(name="Holiday snaps").get_parent(),
            root_collection
        )

def get_chooser_context(request):
    """Helper function to return common template context variables for the main chooser view"""

    collections = Collection.objects.all()
    if len(collections) < 2:
        collections = None
    else:
        collections = Collection.order_for_display(collections)

    return {
        'searchform': SearchForm(),
        'is_searching': False,
        'query_string': None,
        'will_select_format': request.GET.get('select_format'),
        'popular_tags': popular_tags_for_model(get_image_model()),
        'collections': collections,
    }

    def test_simple(self):
        response = self.get()
        self.assertEqual(response.status_code, 200)
        self.assertTemplateUsed(response, 'wagtailadmin/collections/index.html')

        # Initially there should be no collections listed
        # (Root should not be shown)
        self.assertContains(response, "No collections have been created.")

        root_collection = Collection.get_first_root_node()
        self.collection = root_collection.add_child(name="Holiday snaps")

        # Now the listing should contain our collection
        response = self.get()
        self.assertEqual(response.status_code, 200)
        self.assertTemplateUsed(response, 'wagtailadmin/collections/index.html')
        self.assertNotContains(response, "No collections have been created.")
        self.assertContains(response, "Holiday snaps")

    def test_get_video_with_collections(self):
        root_collection = Collection.get_first_root_node()
        root_collection.add_child(name="Evil plans")

        response = self.client.get(reverse('wagtailmedia:add', args=('video', )))
        self.assertEqual(response.status_code, 200)
        self.assertTemplateUsed(response, 'wagtailmedia/media/add.html')

        self.assertContains(response, '<label for="id_collection">')
        self.assertContains(response, "Evil plans")
        self.assertContains(response, 'Add video')
        self.assertContains(
            response,
            '<form action="{0}" method="POST" enctype="multipart/form-data" novalidate>'.format(
                reverse('wagtailmedia:add', args=('video',))
            ),
            count=1
        )