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"""
Regression tests for old `rest_framework_filters.FilterSet` functionality.
Code in this repository is occasionally made obsolete with improvements to the
underlying django-filter library. This module contains old tests that verify
that the FilterSet continue to behave as expected.
"""
from __future__ import absolute_import
from __future__ import unicode_literals
import datetime
from django.test import TestCase, override_settings
from django.utils.dateparse import parse_time, parse_datetime
from rest_framework import serializers
from rest_framework.renderers import JSONRenderer
from .testapp.models import (
User, Person, Note, Post, Cover,
)
from .testapp.filters import (
UserFilter,
AllLookupsPersonDateFilter,
InSetLookupPersonIDFilter,
InSetLookupPersonNameFilter,
PostFilter,
CoverFilterWithRelatedMethodFilter,
)
def add_timedelta(time, timedelta):
dt = datetime.datetime.combine(datetime.datetime.today(), time)
dt += timedelta
return dt.time()
class PersonSerializer(serializers.ModelSerializer):
class Meta:
model = Person
fields = ['date_joined', 'time_joined', 'datetime_joined']
class IsoDatetimeTests(TestCase):
@classmethod
def setUpTestData(cls):
john = Person.objects.create(name="John")
# Created at least one second apart
mark = Person.objects.create(name="Mark", best_friend=john)
mark.time_joined = add_timedelta(mark.time_joined, datetime.timedelta(seconds=1))
mark.datetime_joined += datetime.timedelta(seconds=1)
mark.save()
def test_implicit_date_filters(self):
john = Person.objects.get(name="John")
# Mark was created at least one second after John.
# mark = Person.objects.get(name="Mark")
# Figure out what the date strings should look like based on the
# serializer output.
data = PersonSerializer(john).data
date_str = JSONRenderer().render(data['date_joined']).decode('utf-8').strip('"')
# Adjust for imprecise rendering of time
datetime_str = JSONRenderer().render(parse_datetime(data['datetime_joined']) + datetime.timedelta(seconds=0.6)).decode('utf-8').strip('"')
# Adjust for imprecise rendering of time
dt = datetime.datetime.combine(datetime.date.today(), parse_time(data['time_joined'])) + datetime.timedelta(seconds=0.6)
time_str = JSONRenderer().render(dt.time()).decode('utf-8').strip('"')
# DateField
GET = {
'date_joined__lte': date_str,
}
f = AllLookupsPersonDateFilter(GET, queryset=Person.objects.all())
self.assertEqual(len(list(f.qs)), 2)
p = list(f.qs)[0]
# DateTimeField
GET = {
'datetime_joined__lte': datetime_str,
}
f = AllLookupsPersonDateFilter(GET, queryset=Person.objects.all())
self.assertEqual(len(list(f.qs)), 1)
p = list(f.qs)[0]
self.assertEqual(p.name, "John")
# TimeField
GET = {
'time_joined__lte': time_str,
}
f = AllLookupsPersonDateFilter(GET, queryset=Person.objects.all())
self.assertEqual(len(list(f.qs)), 1)
p = list(f.qs)[0]
self.assertEqual(p.name, "John")
@override_settings(USE_TZ=True, TIME_ZONE='UTC')
def test_datetime_timezone_awareness(self):
# Addresses issue #24 - ensure that datetime strings terminating
# in 'Z' are correctly handled.
# Figure out what the date strings should look like based on the
# serializer output.
john = Person.objects.get(name="John")
data = PersonSerializer(john).data
datetime_str = JSONRenderer().render(parse_datetime(data['datetime_joined']) + datetime.timedelta(seconds=0.6)).decode('utf-8').strip('"')
# This is more for documentation - DRF appends a 'Z' to timezone aware UTC datetimes when rendering:
# https://github.com/tomchristie/django-rest-framework/blob/3.2.0/rest_framework/fields.py#L1002-L1006
self.assertTrue(datetime_str.endswith('Z'))
GET = {
'datetime_joined__lte': datetime_str,
}
f = AllLookupsPersonDateFilter(GET, queryset=Person.objects.all())
self.assertEqual(len(list(f.qs)), 1)
p = list(f.qs)[0]
self.assertEqual(p.name, "John")
class BooleanFilterTests(TestCase):
@classmethod
def setUpTestData(cls):
User.objects.create(username="user1", email="user1@example.org", is_active=True, last_login=datetime.date.today())
User.objects.create(username="user2", email="user2@example.org", is_active=False)
def test_boolean_filter(self):
# Capitalized True
GET = {'is_active': 'True'}
filterset = UserFilter(GET, queryset=User.objects.all())
results = list(filterset.qs)
self.assertEqual(len(results), 1)
self.assertEqual(results[0].username, 'user1')
# Lowercase True
GET = {'is_active': 'true'}
filterset = UserFilter(GET, queryset=User.objects.all())
results = list(filterset.qs)
self.assertEqual(len(results), 1)
self.assertEqual(results[0].username, 'user1')
# Uppercase True
GET = {'is_active': 'TRUE'}
filterset = UserFilter(GET, queryset=User.objects.all())
results = list(filterset.qs)
self.assertEqual(len(results), 1)
self.assertEqual(results[0].username, 'user1')
# Capitalized False
GET = {'is_active': 'False'}
filterset = UserFilter(GET, queryset=User.objects.all())
results = list(filterset.qs)
self.assertEqual(len(results), 1)
self.assertEqual(results[0].username, 'user2')
# Lowercase False
GET = {'is_active': 'false'}
filterset = UserFilter(GET, queryset=User.objects.all())
results = list(filterset.qs)
self.assertEqual(len(results), 1)
self.assertEqual(results[0].username, 'user2')
# Uppercase False
GET = {'is_active': 'FALSE'}
filterset = UserFilter(GET, queryset=User.objects.all())
results = list(filterset.qs)
self.assertEqual(len(results), 1)
self.assertEqual(results[0].username, 'user2')
class InLookupTests(TestCase):
@classmethod
def setUpTestData(cls):
john = Person.objects.create(name="John")
Person.objects.create(name="Mark", best_friend=john)
User.objects.create(username="user1", email="user1@example.org", is_active=True, last_login=datetime.date.today())
User.objects.create(username="user2", email="user2@example.org", is_active=False)
def test_inset_number_filter(self):
p1 = Person.objects.get(name="John").pk
p2 = Person.objects.get(name="Mark").pk
ALL_GET = {
'pk__in': '{:d},{:d}'.format(p1, p2),
}
f = InSetLookupPersonIDFilter(ALL_GET, queryset=Person.objects.all())
f = [x.pk for x in f.qs]
self.assertEqual(len(f), 2)
self.assertIn(p1, f)
self.assertIn(p2, f)
INVALID_GET = {
'pk__in': '{:d},c{:d}'.format(p1, p2)
}
f = InSetLookupPersonIDFilter(INVALID_GET, queryset=Person.objects.all())
self.assertEqual(len(list(f.qs)), 0)
EXTRA_GET = {
'pk__in': '{:d},{:d},{:d}'.format(p1, p2, p1*p2)
}
f = InSetLookupPersonIDFilter(EXTRA_GET, queryset=Person.objects.all())
f = [x.pk for x in f.qs]
self.assertEqual(len(f), 2)
self.assertIn(p1, f)
self.assertIn(p2, f)
DISORDERED_GET = {
'pk__in': '{:d},{:d},{:d}'.format(p2, p2*p1, p1)
}
f = InSetLookupPersonIDFilter(DISORDERED_GET, queryset=Person.objects.all())
f = [x.pk for x in f.qs]
self.assertEqual(len(f), 2)
self.assertIn(p1, f)
self.assertIn(p2, f)
def test_inset_char_filter(self):
p1 = Person.objects.get(name="John").name
p2 = Person.objects.get(name="Mark").name
ALL_GET = {
'name__in': '{},{}'.format(p1, p2),
}
f = InSetLookupPersonNameFilter(ALL_GET, queryset=Person.objects.all())
f = [x.name for x in f.qs]
self.assertEqual(len(f), 2)
self.assertIn(p1, f)
self.assertIn(p2, f)
NONEXISTENT_GET = {
'name__in': '{},Foo{}'.format(p1, p2)
}
f = InSetLookupPersonNameFilter(NONEXISTENT_GET, queryset=Person.objects.all())
self.assertEqual(len(list(f.qs)), 1)
EXTRA_GET = {
'name__in': '{},{},{}'.format(p1, p2, p1+p2)
}
f = InSetLookupPersonNameFilter(EXTRA_GET, queryset=Person.objects.all())
f = [x.name for x in f.qs]
self.assertEqual(len(f), 2)
self.assertIn(p1, f)
self.assertIn(p2, f)
DISORDERED_GET = {
'name__in': '{},{},{}'.format(p2, p2+p1, p1)
}
f = InSetLookupPersonNameFilter(DISORDERED_GET, queryset=Person.objects.all())
f = [x.name for x in f.qs]
self.assertEqual(len(f), 2)
self.assertIn(p1, f)
self.assertIn(p2, f)
class IsNullLookupTests(TestCase):
@classmethod
def setUpTestData(cls):
User.objects.create(username="user1", email="user1@example.org", is_active=True, last_login=datetime.date.today())
User.objects.create(username="user2", email="user2@example.org", is_active=False)
def test_isnull_override(self):
import django_filters.filters
self.assertIsInstance(
UserFilter().filters['last_login__isnull'],
django_filters.filters.BooleanFilter
)
GET = {'last_login__isnull': 'false'}
filterset = UserFilter(GET, queryset=User.objects.all())
results = list(filterset.qs)
self.assertEqual(len(results), 1)
self.assertEqual(results[0].username, 'user1')
GET = {'last_login__isnull': 'true'}
filterset = UserFilter(GET, queryset=User.objects.all())
results = list(filterset.qs)
self.assertEqual(len(results), 1)
self.assertEqual(results[0].username, 'user2')
class FilterMethodTests(TestCase):
"""
Old test case for MethodFilter. Ensure that the new Filter.method remains compatible.
"""
@classmethod
def setUpTestData(cls):
user = User.objects.create(username="user1", email="user1@example.org")
note1 = Note.objects.create(title="Test 1", content="Test content 1", author=user)
note2 = Note.objects.create(title="Test 2", content="Test content 2", author=user)
post1 = Post.objects.create(note=note1, content="Test content in post 1")
post2 = Post.objects.create(note=note2, content="Test content in post 2", date_published=datetime.date.today())
Cover.objects.create(post=post1, comment="Cover 1")
Cover.objects.create(post=post2, comment="Cover 2")
def test_method_filter(self):
GET = {
'is_published': 'true'
}
filterset = PostFilter(GET, queryset=Post.objects.all())
results = list(filterset.qs)
self.assertEqual(len(results), 1)
self.assertEqual(results[0].content, "Test content in post 2")
def test_related_method_filter(self):
"""
Missing MethodFilter filter methods are silently ignored, returning
the unfiltered queryset.
"""
GET = {
'post__is_published': 'true'
}
filterset = CoverFilterWithRelatedMethodFilter(GET, queryset=Cover.objects.all())
results = list(filterset.qs)
self.assertEqual(len(results), 1)
self.assertEqual(results[0].comment, "Cover 2")
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