1 files changed, 0 insertions, 105 deletions
diff --git a/tests/modeltests/expressions/models.py b/tests/modeltests/expressions/models.py
index f6292f5d9b..b004408536 100644
--- a/tests/modeltests/expressions/models.py
+++ b/tests/modeltests/expressions/models.py
@@ -25,108 +25,3 @@ class Company(models.Model):
 
     def __unicode__(self):
         return self.name
-
-
-__test__ = {'API_TESTS': """
->>> from django.db.models import F
-
->>> Company(name='Example Inc.', num_employees=2300, num_chairs=5,
-...     ceo=Employee.objects.create(firstname='Joe', lastname='Smith')).save()
->>> Company(name='Foobar Ltd.', num_employees=3, num_chairs=3,
-...     ceo=Employee.objects.create(firstname='Frank', lastname='Meyer')).save()
->>> Company(name='Test GmbH', num_employees=32, num_chairs=1,
-...     ceo=Employee.objects.create(firstname='Max', lastname='Mustermann')).save()
-
->>> company_query = Company.objects.values('name','num_employees','num_chairs').order_by('name','num_employees','num_chairs')
-
-# We can filter for companies where the number of employees is greater than the
-# number of chairs.
->>> company_query.filter(num_employees__gt=F('num_chairs'))
-[{'num_chairs': 5, 'name': u'Example Inc.', 'num_employees': 2300}, {'num_chairs': 1, 'name': u'Test GmbH', 'num_employees': 32}]
-
-# We can set one field to have the value of another field
-# Make sure we have enough chairs
->>> _ = company_query.update(num_chairs=F('num_employees'))
->>> company_query
-[{'num_chairs': 2300, 'name': u'Example Inc.', 'num_employees': 2300}, {'num_chairs': 3, 'name': u'Foobar Ltd.', 'num_employees': 3}, {'num_chairs': 32, 'name': u'Test GmbH', 'num_employees': 32}]
-
-# We can perform arithmetic operations in expressions
-# Make sure we have 2 spare chairs
->>> _ =company_query.update(num_chairs=F('num_employees')+2)
->>> company_query
-[{'num_chairs': 2302, 'name': u'Example Inc.', 'num_employees': 2300}, {'num_chairs': 5, 'name': u'Foobar Ltd.', 'num_employees': 3}, {'num_chairs': 34, 'name': u'Test GmbH', 'num_employees': 32}]
-
-# Law of order of operations is followed
->>> _ =company_query.update(num_chairs=F('num_employees') + 2 * F('num_employees'))
->>> company_query
-[{'num_chairs': 6900, 'name': u'Example Inc.', 'num_employees': 2300}, {'num_chairs': 9, 'name': u'Foobar Ltd.', 'num_employees': 3}, {'num_chairs': 96, 'name': u'Test GmbH', 'num_employees': 32}]
-
-# Law of order of operations can be overridden by parentheses
->>> _ =company_query.update(num_chairs=((F('num_employees') + 2) * F('num_employees')))
->>> company_query
-[{'num_chairs': 5294600, 'name': u'Example Inc.', 'num_employees': 2300}, {'num_chairs': 15, 'name': u'Foobar Ltd.', 'num_employees': 3}, {'num_chairs': 1088, 'name': u'Test GmbH', 'num_employees': 32}]
-
-# The relation of a foreign key can become copied over to an other foreign key.
->>> Company.objects.update(point_of_contact=F('ceo'))
-3
-
->>> [c.point_of_contact for c in Company.objects.all()]
-[<Employee: Joe Smith>, <Employee: Frank Meyer>, <Employee: Max Mustermann>]
-
->>> c = Company.objects.all()[0]
->>> c.point_of_contact = Employee.objects.create(firstname="Guido", lastname="van Rossum")
->>> c.save()
-
-# F Expressions can also span joins
->>> Company.objects.filter(ceo__firstname=F('point_of_contact__firstname')).distinct().order_by('name')
-[<Company: Foobar Ltd.>, <Company: Test GmbH>]
-
->>> _ = Company.objects.exclude(ceo__firstname=F('point_of_contact__firstname')).update(name='foo')
->>> Company.objects.exclude(ceo__firstname=F('point_of_contact__firstname')).get().name
-u'foo'
-
->>> _ = Company.objects.exclude(ceo__firstname=F('point_of_contact__firstname')).update(name=F('point_of_contact__lastname'))
-Traceback (most recent call last):
-...
-FieldError: Joined field references are not permitted in this query
-
-# F expressions can be used to update attributes on single objects
->>> test_gmbh = Company.objects.get(name='Test GmbH')
->>> test_gmbh.num_employees
-32
->>> test_gmbh.num_employees = F('num_employees') + 4
->>> test_gmbh.save()
->>> test_gmbh = Company.objects.get(pk=test_gmbh.pk)
->>> test_gmbh.num_employees
-36
-
-# F expressions cannot be used to update attributes which are foreign keys, or
-# attributes which involve joins.
->>> test_gmbh.point_of_contact = None
->>> test_gmbh.save()
->>> test_gmbh.point_of_contact is None
-True
->>> test_gmbh.point_of_contact = F('ceo')
-Traceback (most recent call last):
-...
-ValueError: Cannot assign "<django.db.models.expressions.F object at ...>": "Company.point_of_contact" must be a "Employee" instance.
-
->>> test_gmbh.point_of_contact = test_gmbh.ceo
->>> test_gmbh.save()
->>> test_gmbh.name = F('ceo__last_name')
->>> test_gmbh.save()
-Traceback (most recent call last):
-...
-FieldError: Joined field references are not permitted in this query
-
-# F expressions cannot be used to update attributes on objects which do not yet
-# exist in the database
->>> acme = Company(name='The Acme Widget Co.', num_employees=12, num_chairs=5,
-...     ceo=test_gmbh.ceo)
->>> acme.num_employees = F('num_employees') + 16
->>> acme.save()
-Traceback (most recent call last):
-...
-TypeError: ...
-
-"""}