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[soc2010/test-refactor] Moved custom_pk modeltest to unittest

git-svn-id: http://code.djangoproject.com/svn/django/branches/soc2010/test-refactor@13374 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Paul McMillan 2010-06-22 02:54:18 +00:00
parent 078b13e97e
commit 42570206db
2 changed files with 125 additions and 136 deletions

View File

@ -39,139 +39,3 @@ class Bar(models.Model):
class Foo(models.Model):
bar = models.ForeignKey(Bar)
__test__ = {'API_TESTS':"""
>>> dan = Employee(employee_code=123, first_name='Dan', last_name='Jones')
>>> dan.save()
>>> Employee.objects.all()
[<Employee: Dan Jones>]
>>> fran = Employee(employee_code=456, first_name='Fran', last_name='Bones')
>>> fran.save()
>>> Employee.objects.all()
[<Employee: Fran Bones>, <Employee: Dan Jones>]
>>> Employee.objects.get(pk=123)
<Employee: Dan Jones>
>>> Employee.objects.get(pk=456)
<Employee: Fran Bones>
>>> Employee.objects.get(pk=42)
Traceback (most recent call last):
...
DoesNotExist: Employee matching query does not exist.
# Use the name of the primary key, rather than pk.
>>> Employee.objects.get(employee_code__exact=123)
<Employee: Dan Jones>
# pk can be used as a substitute for the primary key.
>>> Employee.objects.filter(pk__in=[123, 456])
[<Employee: Fran Bones>, <Employee: Dan Jones>]
# The primary key can be accessed via the pk property on the model.
>>> e = Employee.objects.get(pk=123)
>>> e.pk
123
# Or we can use the real attribute name for the primary key:
>>> e.employee_code
123
# Fran got married and changed her last name.
>>> fran = Employee.objects.get(pk=456)
>>> fran.last_name = 'Jones'
>>> fran.save()
>>> Employee.objects.filter(last_name__exact='Jones')
[<Employee: Dan Jones>, <Employee: Fran Jones>]
>>> emps = Employee.objects.in_bulk([123, 456])
>>> emps[123]
<Employee: Dan Jones>
>>> b = Business(name='Sears')
>>> b.save()
>>> b.employees.add(dan, fran)
>>> b.employees.all()
[<Employee: Dan Jones>, <Employee: Fran Jones>]
>>> fran.business_set.all()
[<Business: Sears>]
>>> Business.objects.in_bulk(['Sears'])
{u'Sears': <Business: Sears>}
>>> Business.objects.filter(name__exact='Sears')
[<Business: Sears>]
>>> Business.objects.filter(pk='Sears')
[<Business: Sears>]
# Queries across tables, involving primary key
>>> Employee.objects.filter(business__name__exact='Sears')
[<Employee: Dan Jones>, <Employee: Fran Jones>]
>>> Employee.objects.filter(business__pk='Sears')
[<Employee: Dan Jones>, <Employee: Fran Jones>]
>>> Business.objects.filter(employees__employee_code__exact=123)
[<Business: Sears>]
>>> Business.objects.filter(employees__pk=123)
[<Business: Sears>]
>>> Business.objects.filter(employees__first_name__startswith='Fran')
[<Business: Sears>]
# Primary key may be unicode string
>>> bus = Business(name=u'jaźń')
>>> bus.save()
# The primary key must also obviously be unique, so trying to create a new
# object with the same primary key will fail.
>>> try:
... sid = transaction.savepoint()
... Employee.objects.create(employee_code=123, first_name='Fred', last_name='Jones')
... transaction.savepoint_commit(sid)
... except Exception, e:
... if isinstance(e, IntegrityError):
... transaction.savepoint_rollback(sid)
... print "Pass"
... else:
... print "Fail with %s" % type(e)
Pass
# Regression for #10785 -- Custom fields can be used for primary keys.
>>> new_bar = Bar.objects.create()
>>> new_foo = Foo.objects.create(bar=new_bar)
# FIXME: This still doesn't work, but will require some changes in
# get_db_prep_lookup to fix it.
# >>> f = Foo.objects.get(bar=new_bar.pk)
# >>> f == new_foo
# True
# >>> f.bar == new_bar
# True
>>> f = Foo.objects.get(bar=new_bar)
>>> f == new_foo
True
>>> f.bar == new_bar
True
"""}
# SQLite lets objects be saved with an empty primary key, even though an
# integer is expected. So we can't check for an error being raised in that case
# for SQLite. Remove it from the suite for this next bit.
if settings.DATABASES[DEFAULT_DB_ALIAS]['ENGINE'] != 'django.db.backends.sqlite3':
__test__["API_TESTS"] += """
# The primary key must be specified, so an error is raised if you try to create
# an object without it.
>>> try:
... sid = transaction.savepoint()
... Employee.objects.create(first_name='Tom', last_name='Smith')
... print 'hello'
... transaction.savepoint_commit(sid)
... print 'hello2'
... except Exception, e:
... if isinstance(e, IntegrityError):
... transaction.savepoint_rollback(sid)
... print "Pass"
... else:
... print "Fail with %s" % type(e)
Pass
"""

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@ -0,0 +1,125 @@
# -*- coding: utf-8 -*-
from django.test import TestCase
from django.conf import settings
from django.db import transaction, IntegrityError, DEFAULT_DB_ALIAS
from models import Employee, Business, Bar, Foo
class CustomPkTestCase(TestCase):
#no fixture here because MyWrapper doesn't serialize nicely
def test_custom_pk(self):
dan = Employee(employee_code=123, first_name='Dan', last_name='Jones')
dan.save()
self.assertQuerysetEqual(Employee.objects.all(),
['<Employee: Dan Jones>'])
fran = Employee(employee_code=456, first_name='Fran', last_name='Bones')
fran.save()
self.assertQuerysetEqual(Employee.objects.all(),
['<Employee: Fran Bones>', '<Employee: Dan Jones>'])
self.assertEqual(repr(Employee.objects.get(pk=123)),
'<Employee: Dan Jones>')
self.assertEqual(repr(Employee.objects.get(pk=456)),
'<Employee: Fran Bones>')
self.assertRaises(Employee.DoesNotExist,
Employee.objects.get, pk=42)
# Use the name of the primary key, rather than pk.
self.assertEqual(repr(Employee.objects.get(employee_code__exact=123)),
'<Employee: Dan Jones>')
# pk can be used as a substitute for the primary key.
self.assertQuerysetEqual(Employee.objects.filter(pk__in=[123, 456]),
['<Employee: Fran Bones>', '<Employee: Dan Jones>'])
# The primary key can be accessed via the pk property on the model.
e = Employee.objects.get(pk=123)
self.assertEqual(e.pk, 123)
# Or we can use the real attribute name for the primary key:
self.assertEqual(e.employee_code, 123)
# Fran got married and changed her last name.
fran = Employee.objects.get(pk=456)
fran.last_name = 'Jones'
fran.save()
self.assertQuerysetEqual(Employee.objects.filter(last_name__exact='Jones') ,
['<Employee: Dan Jones>', '<Employee: Fran Jones>'])
emps = Employee.objects.in_bulk([123, 456])
self.assertEqual(repr(emps[123]),
'<Employee: Dan Jones>')
b = Business(name='Sears')
b.save()
b.employees.add(dan, fran)
self.assertQuerysetEqual(b.employees.all(),
['<Employee: Dan Jones>', '<Employee: Fran Jones>'])
self.assertQuerysetEqual(fran.business_set.all(),
['<Business: Sears>'])
self.assertEqual(repr(Business.objects.in_bulk(['Sears'])),
"{u'Sears': <Business: Sears>}")
self.assertQuerysetEqual(Business.objects.filter(name__exact='Sears'),
['<Business: Sears>'])
self.assertQuerysetEqual(Business.objects.filter(pk='Sears'),
['<Business: Sears>'])
# Queries across tables, involving primary key
self.assertQuerysetEqual(Employee.objects.filter(business__name__exact='Sears'),
['<Employee: Dan Jones>', '<Employee: Fran Jones>'])
self.assertQuerysetEqual(Employee.objects.filter(business__pk='Sears'),
['<Employee: Dan Jones>', '<Employee: Fran Jones>'])
self.assertQuerysetEqual(Business.objects.filter(employees__employee_code__exact=123),
['<Business: Sears>'])
self.assertQuerysetEqual(Business.objects.filter(employees__pk=123),
['<Business: Sears>'])
self.assertQuerysetEqual(Business.objects.filter(employees__first_name__startswith='Fran'),
['<Business: Sears>'])
def test_unicode_pk(self):
# Primary key may be unicode string
bus = Business(name=u'jaźń')
bus.save()
def test_unique_primary_key(self):
# The primary key must also obviously be unique, so trying to create a new
# object with the same primary key will fail.
e = Employee.objects.create(employee_code=123, first_name='Alex', last_name='Gaynor')
e.save()
self.assertRaises(IntegrityError,
Employee.objects.create,
employee_code=123, first_name='Russell', last_name='KM')
def test_custom_fields_can_be_primary_keys(self):
# Regression for #10785 -- Custom fields can be used for primary keys.
new_bar = Bar.objects.create()
new_foo = Foo.objects.create(bar=new_bar)
#works because of changes in get_db_prep_lookup
f = Foo.objects.get(bar=new_bar.pk)
self.assertEqual(f, new_foo)
self.assertEqual(f.bar, new_bar)
f = Foo.objects.get(bar=new_bar)
self.assertEqual(f, new_foo)
self.assertEqual(f.bar, new_bar)
# SQLite lets objects be saved with an empty primary key, even though an
# integer is expected. So we can't check for an error being raised in that case
# for SQLite. Remove it from the suite for this next bit.
def test_empty_pk_error(self):
#fixme, improve this skiping with unittest2
if settings.DATABASES[DEFAULT_DB_ALIAS]['ENGINE'] != 'django.db.backends.sqlite3':
self.assertRaises(IntegrityError,
Employee.objects.create,
first_name='Tom', last_name='Smith')