def test_order_by_relation_with_different_ordering(self):
"""
Apply order_by() with a field that returns a model with different
ordering on sub-QuerySets.
"""
# Both of these have publishers with the same fields, but different
# ordering.
all = QuerySetSequence(Article.objects.all(), BlogPost.objects.all())
# Order by publisher and ensure it takes.
qss = all.order_by('publisher')
self.assertEqual(qss.query.order_by, ['publisher'])
self.assertRaises(FieldError, list, qss)
def test_duplicates(self):
"""Ensure that pagination works over an 'extreme' number of duplicates."""
PAGES = 100 # This must be unique from other fixture data.
# Create a bunch of books that are the same.
for i in range(15):
book = Book.objects.create(title=str(i),
author=self.author,
publisher=self.publisher,
pages=PAGES)
# And use only those duplicate books.
self.queryset = QuerySetSequence(Book.objects.filter(pages=PAGES))
titles = [item.title for item in self.queryset]
# Look at both the pages (which should all be 1) and the IDs.
next_url = '/'
for i in range(3):
request = Request(factory.get(next_url))
queryset = self.pagination.paginate_queryset(self.queryset, request)
titles, pages = zip(*[(item.title, item.pages) for item in queryset])
self.assertEqual(titles, tuple(map(lambda d: str(d + (i * 5)), [0, 1, 2, 3, 4])))
self.assertEqual(pages, (PAGES, ) * 5)
next_url = self.pagination.get_next_link()
self.assertIsNone(next_url)
def setUp(self):
self.author = Author.objects.create(name="Jane Doe")
self.publisher = Publisher.objects.create(name="Pablo's Publishing",
address="123 Publishing Street")
for d in range(1, 15):
book = Book.objects.create(title='Book %s' % (d % 2),
author=self.author,
publisher=self.publisher,
pages=d)
self.pagination = _TestPagination()
self.queryset = QuerySetSequence(Book.objects.filter(pages__lte=7),
Book.objects.filter(pages__gt=7))
def test_validate(self):
# Create an option to select
fixture = TModel.objects.create(name=self.id())
# Instanciate the form with the fixture selected
form = TForm(
http.QueryDict('name=%s&test=%s' %
(self.id(), self.get_value(fixture))))
# Remove the option from field queryset choices
form.fields['test'].queryset = QuerySetSequence(
TModel.objects.exclude(pk=fixture.pk))
# Form should not validate
self.assertFalse(form.is_valid())
def get_queryset(self):
playlists = Playlist.objects.all()
if self.q:
playlists = playlists.filter(title__icontains=self.q)
qs = autocomplete.QuerySetSequence(playlists, )
if self.q:
qs = qs.filter(title__icontains=self.q)
querysets = list(qs.get_querysets())
qs = QuerySetSequence(*[q for q in querysets])
return qs
def setUpClass(cls):
"""Set-up some data to be tested against."""
alice = Author.objects.create(name="Alice")
bob = Author.objects.create(name="Bob")
# Purposefully ordered such that the pks will be in the opposite order
# than the names.
mad_magazine = PeriodicalPublisher.objects.create(name="Mad Magazine")
# This publisher is unused, just takes up a PK in the database.
Publisher.objects.create(name="Unused Publisher")
big_books = Publisher.objects.create(name="Big Books",
address="123 Street")
wacky_website = OnlinePublisher.objects.create(name="Wacky Website")
# Alice wrote some articles.
Article.objects.create(title="Django Rocks",
author=alice,
publisher=mad_magazine)
Article.objects.create(title="Alice in Django-land",
author=alice,
publisher=mad_magazine)
# Bob wrote a couple of books, an article, and a blog post.
Book.objects.create(title="Fiction",
author=bob,
publisher=big_books,
pages=10)
Book.objects.create(title="Biography",
author=bob,
publisher=big_books,
pages=20)
Article.objects.create(title="Some Article",
author=bob,
publisher=mad_magazine)
BlogPost.objects.create(title="Post",
author=bob,
publisher=wacky_website)
# Save the authors and publishers for later.
cls.alice = alice
cls.bob = bob
cls.big_books = big_books
cls.mad_magazine = mad_magazine
cls.wacky_website = wacky_website
# Many tests start with the same QuerySetSequence.
cls.all = QuerySetSequence(Book.objects.all(), Article.objects.all())
def get_queryset(self):
queryset_models = []
if self.q:
for model, filter_value in self.model_choice:
kwargs = {'{}__icontains'.format(filter_value): self.q}
queryset_models.append(model.objects.filter(**kwargs))
else:
queryset_models = [
model[0].objects.all() for model in self.model_choice
]
# Aggregate querysets
qs = QuerySetSequence(*queryset_models)
# This will limit each queryset so that they show an equal number
# of results.
qs = self.mixup_querysets(qs)
return qs
def __init__(self, *args, model_choice=None, field_id=None, **kwargs):
"""
:param args:
:param model_choice: [(Model, 'filter_by', [('forwardfield_name', 'filter_by')]), ],
List of tuples, for each select2 widget. Model is the model to query, 'filter_by' the attribute of the model
to apply the filter.
The list in the tuple is optional, its to forward a field from the form to the widget.
:param field_id: Optional name instead of the automatic one
:param kwargs:
"""
self.field_id = field_id if field_id else id(self)
if model_choice:
self.model_choice = model_choice
models_queryset = [
model[0].objects.all() for model in model_choice
]
kwargs['queryset'] = QuerySetSequence(*models_queryset)
super().__init__(*args, **kwargs)
def get_queryset(self):
genes = Gene.objects.all()
chemicals = Chemical.objects.exclude(categories__id=51).all()
diseases = DiseaseTrait.objects.all()
snps = Snp.objects.all()
healtheffects = HealthEffect.objects.all()
experiments = Identification.objects.all()
if self.q:
genes = genes.filter(name__icontains=self.q)
chemicals = chemicals.filter(name__icontains=self.q)
diseases = diseases.filter(name__icontains=self.q)
snps = snps.filter(rsid__icontains=self.q)
healtheffects = healtheffects.filter(name__icontains=self.q)
experiments = experiments.filter(name__icontains=self.q)
qs = QuerySetSequence(genes, chemicals, diseases, snps, healtheffects,
experiments)
qs = self.mixup_querysets(qs)
return qs
def list_all(request):
if request.session.get('session_initialized') != 'true':
request = set_session(request)
redirect('/')
if request.POST:
request = update_session(request)
if request.POST.get("cleartags") == 'true':
return HttpResponseRedirect(redirect_to='/')
redirect('/')
queryset = list()
todos = Todo.objects.all() if request.session.get('todos') == 'true' else None
notes = Note.objects.all() if request.session.get('notes') == 'true' else None
bookmarks = Bookmark.objects.all() if request.session.get('bookmarks') == 'true' else None
tag_quantities = get_tags_count()
if request.GET.get("tags"):
disable_item_filtering(request)
request.session['active_tag'] = request.GET.get("tags")
if todos is not None:
todos = todos.filter(tags__name__in=[request.GET.get("tags")])
if notes is not None:
notes = notes.filter(tags__name__in=[request.GET.get("tags")])
if bookmarks is not None:
bookmarks = bookmarks.filter(tags__name__in=[request.GET.get("tags")])
for item in [todos, notes, bookmarks]:
if item is not None:
queryset.append(item)
all_items = QuerySetSequence(*queryset). \
order_by('-date_created' if request.session.get('sortbycreation') == 'true' else 'date_created'). \
filter(Q(name__contains=request.session.get('search')) | Q(description__contains=request.session.get('search')))
paginator = Paginator(all_items, 3)
site = "index.html" if request.session.get('toggle_viewtype') == 'false' else "index-table.html"
return render(request, site, context={
"page_obj": paginator.get_page(request.GET.get('page')),
"tag_quantities": tag_quantities,
"active_tag": request.session['active_tag']})
def get_querysets(self, linked_type=None):
qss = list()
if not linked_type:
for link_name, linked_model in getattr(self.linkable, "_LINKS", dict()).items():
if hasattr(self.linkable, link_name):
if hasattr(linked_model.model, 'authorization') and self.user is not None:
qss.append(
linked_model.model.authorization.for_user(self.user, self.permission).filter(
**{linked_model.reverse_link_name: self.linkable.pk}))
else:
qss.append(getattr(self.linkable, link_name).all())
else:
if not isinstance(linked_type, (list, tuple)):
linked_type = [linked_type,]
for link_name, linked_model in getattr(self.linkable, "_LINKS", dict()).items():
if linked_type.count(linked_model.model) > 0:
if hasattr(linked_model.model, 'authorization') and self.user is not None:
qss.append(
linked_model.model.authorization.for_user(self.user, self.permission).filter(
**{linked_model.reverse_link_name: self.linkable.pk}))
else:
qss.append(getattr(self.linkable, link_name).all())
return QuerySetSequence(*qss)
def __init__(self, *args, **kwargs):
"""Initialize GenericForeignKeyModelField."""
model_choice = kwargs.pop('model_choice', None)
widget = kwargs.pop('widget', None)
view = kwargs.pop('view', None)
field_id = kwargs.pop('field_id', None)
self.field_id = field_id if field_id else id(self)
if model_choice:
self.model_choice = model_choice
models_queryset = [
model[0].objects.all() for model in model_choice
]
kwargs['queryset'] = QuerySetSequence(*models_queryset)
# check if they are classes
if isinstance(widget, type) and isinstance(view, type):
self.widget_obj = widget
self.view_obj = view
else:
raise AttributeError(
"Class object are required (not instantiated)")
super(GenericForeignKeyModelField, self).__init__(*args, **kwargs)
def get_queryset(self):
"""Return queryset."""
queryset_models = []
for model_args in self.model_choice:
model = model_args[0]
filter_value = model_args[1]
kwargs_model = {
'{}__icontains'.format(filter_value): self.q if self.q else ''
}
forward_filtered = [Q(**kwargs_model)]
try:
forward_fields = model_args[2]
for forward in forward_fields:
field_key = '{}__icontains'.format(forward[1])
field_value = self.forwarded[forward[0]]
forward_filtered.append(Q(**{field_key: field_value}))
except IndexError:
# if no list on the 3rd index of self.model_choice
# (reserved for forwarding fields)
pass
# link the diffrent field by an & query
and_forward_filtered = reduce(lambda x, y: x & y, forward_filtered)
queryset_models.append(model.objects.filter(and_forward_filtered))
# Aggregate querysets
qs = QuerySetSequence(*queryset_models)
# This will limit each queryset so that they show an equal number
# of results.
qs = self.mixup_querysets(qs)
return qs
def test_empty_subqueryset(self):
qss = QuerySetSequence(Book.objects.all(),
Article.objects.none()).order_by('title')
data = [it.title for it in qss]
self.assertEqual(data, ['Biography', 'Fiction'])
def _get_qss(self):
"""Returns a QuerySetSequence with 3 QuerySets."""
return QuerySetSequence(Book.objects.all(), Article.objects.all(),
BlogPost.objects.all())
def test_related_model(self):
qss = QuerySetSequence(Article.objects.all(), BlogPost.objects.all())
self.assertTrue(qss.filter(publisher__name="Wacky Website").exists())
def test_empty(self):
qss = QuerySetSequence()
self.assertEqual(list(qss), [])
def test_related_model(self):
qss = QuerySetSequence(Article.objects.all(), BlogPost.objects.all())
self.assertTrue(qss.filter(publisher__name="Wacky Website").exists())
def setUpClass(cls):
"""Set-up some data to be tested against."""
cls.qss = QuerySetSequence(Article.objects.all())
class TestSequenceCursorPagination(TestCase):
"""
Unit tests for `queryset_sequence.pagination.SequenceCursorPagination`.
Heavily based on `tests.test_pagination` from Django REST Framework.
"""
PAGE_1 = [1, 2, 3, 4, 5]
PAGE_2 = [6, 7, 8, 9, 10]
PAGE_3 = [11, 12, 13, 14]
def setUp(self):
self.author = Author.objects.create(name="Jane Doe")
self.publisher = Publisher.objects.create(name="Pablo's Publishing",
address="123 Publishing Street")
for d in range(1, 15):
book = Book.objects.create(title='Book %s' % (d % 2),
author=self.author,
publisher=self.publisher,
pages=d)
self.pagination = _TestPagination()
self.queryset = QuerySetSequence(Book.objects.filter(pages__lte=7),
Book.objects.filter(pages__gt=7))
def get_pages(self, url):
"""
Given a URL return a tuple of:
(previous page, current page, next page, previous url, next url)
"""
request = Request(factory.get(url))
queryset = self.pagination.paginate_queryset(self.queryset, request)
current = [item.pages for item in queryset]
next_url = self.pagination.get_next_link()
previous_url = self.pagination.get_previous_link()
if next_url is not None:
request = Request(factory.get(next_url))
queryset = self.pagination.paginate_queryset(self.queryset, request)
next = [item.pages for item in queryset]
else:
next = None
if previous_url is not None:
request = Request(factory.get(previous_url))
queryset = self.pagination.paginate_queryset(self.queryset, request)
previous = [item.pages for item in queryset]
else:
previous = None
return (previous, current, next, previous_url, next_url)
def test_ordering(self):
"""Ensure that the QuerySetSequence is ordered as expected."""
pages = [b.pages for b in self.queryset]
self.assertEqual(pages, self.PAGE_1 + self.PAGE_2 + self.PAGE_3)
# The first 7 are in the 0th list, the last 7 are in the 1st list.
number = [getattr(b, '#') for b in self.queryset]
self.assertEqual(number, [0] * 7 + [1] * 7)
def test_invalid_cursor(self):
request = Request(factory.get('/', {'cursor': '123'}))
with self.assertRaises(exceptions.NotFound):
self.pagination.paginate_queryset(self.queryset, request)
def test_use_with_ordering_filter(self):
class MockView:
filter_backends = (filters.OrderingFilter,)
ordering_fields = ['title', 'author']
ordering = 'title'
request = Request(factory.get('/', {'ordering': 'author'}))
ordering = self.pagination.get_ordering(request, [], MockView())
self.assertEqual(ordering, ('#', 'author',))
request = Request(factory.get('/', {'ordering': '-author'}))
ordering = self.pagination.get_ordering(request, [], MockView())
self.assertEqual(ordering, ('#', '-author',))
request = Request(factory.get('/', {'ordering': 'invalid'}))
ordering = self.pagination.get_ordering(request, [], MockView())
self.assertEqual(ordering, ('#', 'title',))
def test_cursor_pagination(self):
(previous, current, next, previous_url, next_url) = self.get_pages('/')
self.assertIsNone(previous)
self.assertEqual(current, self.PAGE_1)
self.assertEqual(next, self.PAGE_2)
(previous, current, next, previous_url, next_url) = self.get_pages(next_url)
self.assertEqual(previous, self.PAGE_1)
self.assertEqual(current, self.PAGE_2)
self.assertEqual(next, self.PAGE_3)
(previous, current, next, previous_url, next_url) = self.get_pages(next_url)
self.assertEqual(previous, self.PAGE_2)
self.assertEqual(current, self.PAGE_3)
self.assertIsNone(next)
def test_cursor_stableness(self):
"""
Test what happens if we remove domains after loading a page.
Pages should be independent, i.e. a cursor points to a particular
domain, and shouldn't affect offsets.
"""
(previous, current, next, previous_url, next_url) = self.get_pages('/')
# The first page is as normal.
self.assertIsNone(previous)
self.assertEqual(current, self.PAGE_1)
self.assertEqual(next, self.PAGE_2)
# Delete Books, this shouldn't affect the next request.
Book.objects.filter(pages__lte=3).delete()
Book.objects.filter(pages__gte=13).delete()
(previous, current, next, _, old_next_url) = self.get_pages(next_url)
# Should be some missing items
self.assertEqual(previous, [4, 5])
self.assertEqual(current, self.PAGE_2)
self.assertEqual(next, [11, 12])
# Deleting some from the current page and reloading should have the page
# offset.
Book.objects.get(pages=7).delete()
(previous, current, next, _, new_next_url) = self.get_pages(next_url)
# Should be some missing items
self.assertEqual(previous, [4, 5])
self.assertEqual(current, [6, 8, 9, 10, 11])
self.assertEqual(next, [12])
# The next_url returned with the different items missing will actually
# be different.
self.assertNotEqual(old_next_url, new_next_url)
def test_multiple_ordering(self):
"""Test a Pagination with multiple items in the ordering attribute."""
# This will order by:
# 1. Even pages
# 2. Odd pages
# 3. Both of the above will be done in increasing order.
# 4. Ordering happens for 1 - 7, then 8 - 14.
class TestPagination(_TestPagination):
ordering = ['title', 'pages']
self.pagination = TestPagination()
PAGE_1 = [2, 4, 6, 1, 3]
PAGE_2 = [5, 7, 8, 10, 12]
PAGE_3 = [14, 9, 11, 13]
# Check that the ordering is as expected.
pages = [b.pages for b in self.queryset.order_by('#', *self.pagination.ordering)]
self.assertEqual(pages, PAGE_1 + PAGE_2 + PAGE_3)
# Now perform pretty much the same test as test_cursor_pagination, but
# the ordering will be different.
(previous, current, next, previous_url, next_url) = self.get_pages('/')
self.assertIsNone(previous)
self.assertEqual(current, PAGE_1)
self.assertEqual(next, PAGE_2)
(previous, current, next, previous_url, next_url) = self.get_pages(next_url)
self.assertEqual(previous, PAGE_1)
self.assertEqual(current, PAGE_2)
self.assertEqual(next, PAGE_3)
(previous, current, next, previous_url, next_url) = self.get_pages(next_url)
self.assertEqual(previous, PAGE_2)
self.assertEqual(current, PAGE_3)
self.assertIsNone(next)
def test_duplicates(self):
"""Ensure that pagination works over an 'extreme' number of duplicates."""
PAGES = 100 # This must be unique from other fixture data.
# Create a bunch of books that are the same.
for i in range(15):
book = Book.objects.create(title=str(i),
author=self.author,
publisher=self.publisher,
pages=PAGES)
# And use only those duplicate books.
self.queryset = QuerySetSequence(Book.objects.filter(pages=PAGES))
titles = [item.title for item in self.queryset]
# Look at both the pages (which should all be 1) and the IDs.
next_url = '/'
for i in range(3):
request = Request(factory.get(next_url))
queryset = self.pagination.paginate_queryset(self.queryset, request)
titles, pages = zip(*[(item.title, item.pages) for item in queryset])
self.assertEqual(titles, tuple(map(lambda d: str(d + (i * 5)), [0, 1, 2, 3, 4])))
self.assertEqual(pages, (PAGES, ) * 5)
next_url = self.pagination.get_next_link()
self.assertIsNone(next_url)
class TestSequenceCursorPagination(TestCase):
"""
Unit tests for `queryset_sequence.pagination.SequenceCursorPagination`.
Heavily based on `tests.test_pagination` from Django REST Framework.
"""
PAGE_1 = [1, 2, 3, 4, 5]
PAGE_2 = [6, 7, 8, 9, 10]
PAGE_3 = [11, 12, 13, 14]
def setUp(self):
self.author = Author.objects.create(name="Jane Doe")
self.publisher = Publisher.objects.create(name="Pablo's Publishing",
address="123 Publishing Street")
for d in range(1, 15):
Book.objects.create(title='Book %s' % (d % 2),
author=self.author,
publisher=self.publisher,
pages=d,
release=date(2018, 10, 5))
self.pagination = _TestPagination()
self.queryset = QuerySetSequence(Book.objects.filter(pages__lte=7),
Book.objects.filter(pages__gt=7))
def get_pages(self, url):
"""
Given a URL return a tuple of:
(previous page, current page, next page, previous url, next url)
"""
request = Request(factory.get(url))
queryset = self.pagination.paginate_queryset(self.queryset, request)
current = [item.pages for item in queryset]
next_url = self.pagination.get_next_link()
previous_url = self.pagination.get_previous_link()
if next_url is not None:
request = Request(factory.get(next_url))
queryset = self.pagination.paginate_queryset(self.queryset, request)
next = [item.pages for item in queryset]
else:
next = None
if previous_url is not None:
request = Request(factory.get(previous_url))
queryset = self.pagination.paginate_queryset(self.queryset, request)
previous = [item.pages for item in queryset]
else:
previous = None
return (previous, current, next, previous_url, next_url)
def test_ordering(self):
"""Ensure that the QuerySetSequence is ordered as expected."""
pages = [b.pages for b in self.queryset]
self.assertEqual(pages, self.PAGE_1 + self.PAGE_2 + self.PAGE_3)
# The first 7 are in the 0th list, the last 7 are in the 1st list.
number = [getattr(b, '#') for b in self.queryset]
self.assertEqual(number, [0] * 7 + [1] * 7)
def test_invalid_cursor(self):
request = Request(factory.get('/', {'cursor': '123'}))
with self.assertRaises(exceptions.NotFound):
self.pagination.paginate_queryset(self.queryset, request)
def test_use_with_ordering_filter(self):
class MockView:
filter_backends = (filters.OrderingFilter,)
ordering_fields = ['title', 'author']
ordering = 'title'
request = Request(factory.get('/', {'ordering': 'author'}))
ordering = self.pagination.get_ordering(request, [], MockView())
self.assertEqual(ordering, ('#', 'author',))
request = Request(factory.get('/', {'ordering': '-author'}))
ordering = self.pagination.get_ordering(request, [], MockView())
self.assertEqual(ordering, ('#', '-author',))
request = Request(factory.get('/', {'ordering': 'invalid'}))
ordering = self.pagination.get_ordering(request, [], MockView())
self.assertEqual(ordering, ('#', 'title',))
def test_cursor_pagination(self):
"""Ensure that the cursor properly flips through pages."""
# Check the first page.
(previous, current, next, previous_url, next_url) = self.get_pages('/')
self.assertIsNone(previous)
self.assertEqual(current, self.PAGE_1)
self.assertEqual(next, self.PAGE_2)
# Check the second page.
(previous, current, next, previous_url, next_url) = self.get_pages(next_url)
self.assertEqual(previous, self.PAGE_1)
self.assertEqual(current, self.PAGE_2)
self.assertEqual(next, self.PAGE_3)
# Check the third page.
(previous, current, next, previous_url, next_url) = self.get_pages(next_url)
self.assertEqual(previous, self.PAGE_2)
self.assertEqual(current, self.PAGE_3)
self.assertIsNone(next)
def test_cursor_stableness(self):
"""
Test what happens if we remove domains after loading a page.
Pages should be independent, i.e. a cursor points to a particular
domain, and shouldn't affect offsets.
"""
(previous, current, next, previous_url, next_url) = self.get_pages('/')
# The first page is as normal.
self.assertIsNone(previous)
self.assertEqual(current, self.PAGE_1)
self.assertEqual(next, self.PAGE_2)
# Delete Books, this shouldn't affect the next request.
Book.objects.filter(pages__lte=3).delete()
Book.objects.filter(pages__gte=13).delete()
(previous, current, next, _, old_next_url) = self.get_pages(next_url)
# Should be some missing items
self.assertEqual(previous, [4, 5])
self.assertEqual(current, self.PAGE_2)
self.assertEqual(next, [11, 12])
# Deleting some from the current page and reloading should have the page
# offset.
Book.objects.get(pages=7).delete()
(previous, current, next, _, new_next_url) = self.get_pages(next_url)
# Should be some missing items
self.assertEqual(previous, [4, 5])
self.assertEqual(current, [6, 8, 9, 10, 11])
self.assertEqual(next, [12])
# The next_url returned with the different items missing will actually
# be different.
self.assertNotEqual(old_next_url, new_next_url)
def test_multiple_ordering(self):
"""Test a Pagination with multiple items in the ordering attribute."""
# This will order by:
# 1. Even pages
# 2. Odd pages
# 3. Both of the above will be done in increasing order.
# 4. Ordering happens for 1 - 7, then 8 - 14.
class TestPagination(_TestPagination):
ordering = ['title', 'pages']
self.pagination = TestPagination()
PAGE_1 = [2, 4, 6, 1, 3]
PAGE_2 = [5, 7, 8, 10, 12]
PAGE_3 = [14, 9, 11, 13]
# Check that the ordering is as expected.
pages = [b.pages for b in self.queryset.order_by('#', *self.pagination.ordering)]
self.assertEqual(pages, PAGE_1 + PAGE_2 + PAGE_3)
# Now perform pretty much the same test as test_cursor_pagination, but
# the ordering will be different.
(previous, current, next, previous_url, next_url) = self.get_pages('/')
self.assertIsNone(previous)
self.assertEqual(current, PAGE_1)
self.assertEqual(next, PAGE_2)
(previous, current, next, previous_url, next_url) = self.get_pages(next_url)
self.assertEqual(previous, PAGE_1)
self.assertEqual(current, PAGE_2)
self.assertEqual(next, PAGE_3)
(previous, current, next, previous_url, next_url) = self.get_pages(next_url)
self.assertEqual(previous, PAGE_2)
self.assertEqual(current, PAGE_3)
self.assertIsNone(next)
def test_duplicates(self):
"""Ensure that pagination works over an 'extreme' number of duplicates."""
PAGES = 100 # This must be unique from other fixture data.
# Create a bunch of books that are the same.
for i in range(15):
Book.objects.create(title=str(i),
author=self.author,
publisher=self.publisher,
pages=PAGES,
release=date(2018, 10, 5))
# And use only those duplicate books.
self.queryset = QuerySetSequence(Book.objects.filter(pages=PAGES))
titles = [item.title for item in self.queryset]
# Look at both the pages (which should all be 1) and the IDs.
next_url = '/'
for i in range(3):
request = Request(factory.get(next_url))
queryset = self.pagination.paginate_queryset(self.queryset, request)
titles, pages = zip(*[(item.title, item.pages) for item in queryset])
self.assertEqual(titles, tuple(map(lambda d: str(d + (i * 5)), [0, 1, 2, 3, 4])))
self.assertEqual(pages, (PAGES, ) * 5)
next_url = self.pagination.get_next_link()
self.assertIsNone(next_url)
class HomeList(ListView):
queryset = QuerySetSequence(Subject.objects.all(),
Embed.objects.all()).order_by('-created_at')
paginate_by = 20
context_object_name = 'aktywnosci'
template_name = 'boards/board_list.html'
def test_related_model(self):
qss = QuerySetSequence(Article.objects.all(), BlogPost.objects.all())
post = qss.get(publisher__name="Wacky Website")
self.assertEqual(post.title, 'Post')
self.assertIsInstance(post, BlogPost)
def get_game_participants(game: Game):
players = Player.objects.filter(game=game, active=True)
mods = Moderator.objects.filter(game=game, active=True)
spectators = Spectator.objects.filter(game=game, active=True)
return QuerySetSequence(players, mods, spectators)
def test_related_model(self):
qss = QuerySetSequence(Article.objects.all(), BlogPost.objects.all())
post = qss.get(publisher__name="Wacky Website")
self.assertEqual(post.title, 'Post')
self.assertIsInstance(post, BlogPost)
def list_all(request):
SESSION_INITIALIZED = "session_initialized"
TODOS = "todos"
NOTES = "notes"
BOOKMARKS = "bookmarks"
TAGS = "tags"
TOGGLE_VIEWTYPE = "toggle_viewtype"
ACTIVE_TAG = "active_tag"
CLEAR_TAGS = "cleartags"
SORT_BY_CREATION = "sortbycreation"
SEARCH = "search"
RESET = "reset"
TRUE = "true"
FALSE = "false"
if request.session.get(SESSION_INITIALIZED) != TRUE:
for var in [TODOS, NOTES, BOOKMARKS, SORT_BY_CREATION]:
request.session[var] = TRUE
for var in [TOGGLE_VIEWTYPE]:
request.session[var] = FALSE
for var in [SEARCH, ACTIVE_TAG]:
request.session[var] = ""
request.session[SESSION_INITIALIZED] = TRUE
redirect("/")
if request.POST:
"""Handle main items (todos, notes etc.)"""
if request.POST.get(TODOS):
request.session[TODOS] = request.POST.get(TODOS)
if request.POST.get(NOTES):
request.session[NOTES] = request.POST.get(NOTES)
if request.POST.get(BOOKMARKS):
request.session[BOOKMARKS] = request.POST.get(BOOKMARKS)
""" Toggle viewtype"""
if request.POST.get(TOGGLE_VIEWTYPE):
request.session[TOGGLE_VIEWTYPE] = request.POST.get(
TOGGLE_VIEWTYPE)
""" Sorting handling """
if request.POST.get(SORT_BY_CREATION) == TRUE:
request.session[SORT_BY_CREATION] = request.POST.get(
SORT_BY_CREATION)
elif request.POST.get(SORT_BY_CREATION) == FALSE:
request.session[SORT_BY_CREATION] = FALSE
""" Handle search, tags, reset and clearing tags """
if request.POST.get(SEARCH):
if len(request.POST.get(SEARCH)) > 0:
request.session[SEARCH] = request.POST.get(SEARCH)
else:
request.session[SEARCH] = ""
# else:
# request.session[SEARCH] = ""
if request.POST.get(RESET) == TRUE:
request.session[SEARCH] = ""
if request.POST.get(CLEAR_TAGS) == TRUE:
request.session[ACTIVE_TAG] = ""
return HttpResponseRedirect(redirect_to="/")
redirect("/")
""" List view of items """
queryset = list()
todos = Todo.objects.all() if request.session.get(TODOS) == TRUE else None
notes = Note.objects.all() if request.session.get(NOTES) == TRUE else None
bookmarks = Bookmark.objects.all() if request.session.get(
BOOKMARKS) == TRUE else None
tag_quantities = get_tags_count()
if request.GET.get(TAGS):
for var in [TODOS, NOTES, BOOKMARKS]:
request.session[var] = TRUE
request.session[ACTIVE_TAG] = request.GET.get(TAGS)
if todos is not None:
todos = todos.filter(tags__name__in=[request.GET.get(TAGS)])
if notes is not None:
notes = notes.filter(tags__name__in=[request.GET.get(TAGS)])
if bookmarks is not None:
bookmarks = bookmarks.filter(
tags__name__in=[request.GET.get(TAGS)])
for item in [todos, notes, bookmarks]:
if item is not None:
queryset.append(item)
all_items = (QuerySetSequence(
*queryset).order_by("-date_created" if request.session.get(
SORT_BY_CREATION) == TRUE else "date_created").filter(
Q(name__contains=request.session.get(SEARCH))
| Q(description__contains=request.session.get(SEARCH))))
paginator = Paginator(all_items, 9)
site = "index.html" if request.session.get(
TOGGLE_VIEWTYPE) == FALSE else "index-table.html"
return render(
request,
site,
context={
"page_obj": paginator.get_page(request.GET.get("page")),
"tag_quantities": tag_quantities,
"active_tag": request.session[ACTIVE_TAG],
},
)