From 4d77fee299f1cc30d34396c58732faeb359d4bb3 Mon Sep 17 00:00:00 2001 From: Russell Keith-Magee Date: Sun, 12 Sep 2010 20:04:30 +0000 Subject: [PATCH] Migrate get_or_create doctests. Thanks to Alex Gaynor. git-svn-id: http://code.djangoproject.com/svn/django/trunk@13785 bcc190cf-cafb-0310-a4f2-bffc1f526a37 --- tests/modeltests/get_or_create/models.py | 62 ------------------------ tests/modeltests/get_or_create/tests.py | 52 ++++++++++++++++++++ 2 files changed, 52 insertions(+), 62 deletions(-) create mode 100644 tests/modeltests/get_or_create/tests.py diff --git a/tests/modeltests/get_or_create/models.py b/tests/modeltests/get_or_create/models.py index 56baa5c1ed..db5719b79e 100644 --- a/tests/modeltests/get_or_create/models.py +++ b/tests/modeltests/get_or_create/models.py @@ -19,65 +19,3 @@ class Person(models.Model): class ManualPrimaryKeyTest(models.Model): id = models.IntegerField(primary_key=True) data = models.CharField(max_length=100) - -__test__ = {'API_TESTS':""" -# Acting as a divine being, create an Person. ->>> from datetime import date ->>> p = Person(first_name='John', last_name='Lennon', birthday=date(1940, 10, 9)) ->>> p.save() - -# Only one Person is in the database at this point. ->>> Person.objects.count() -1 - -# get_or_create() a person with similar first names. ->>> p, created = Person.objects.get_or_create(first_name='John', last_name='Lennon', defaults={'birthday': date(1940, 10, 9)}) - -# get_or_create() didn't have to create an object. ->>> created -False - -# There's still only one Person in the database. ->>> Person.objects.count() -1 - -# get_or_create() a Person with a different name. ->>> p, created = Person.objects.get_or_create(first_name='George', last_name='Harrison', defaults={'birthday': date(1943, 2, 25)}) ->>> created -True ->>> Person.objects.count() -2 - -# If we execute the exact same statement, it won't create a Person. ->>> p, created = Person.objects.get_or_create(first_name='George', last_name='Harrison', defaults={'birthday': date(1943, 2, 25)}) ->>> created -False ->>> Person.objects.count() -2 - -# If you don't specify a value or default value for all required fields, you -# will get an error. ->>> try: -... p, created = Person.objects.get_or_create(first_name='Tom', last_name='Smith') -... except Exception, e: -... if isinstance(e, IntegrityError): -... print "Pass" -... else: -... print "Fail with %s" % type(e) -Pass - -# If you specify an existing primary key, but different other fields, then you -# will get an error and data will not be updated. ->>> m = ManualPrimaryKeyTest(id=1, data='Original') ->>> m.save() ->>> try: -... m, created = ManualPrimaryKeyTest.objects.get_or_create(id=1, data='Different') -... except Exception, e: -... if isinstance(e, IntegrityError): -... print "Pass" -... else: -... print "Fail with %s" % type(e) -Pass ->>> ManualPrimaryKeyTest.objects.get(id=1).data == 'Original' -True -"""} diff --git a/tests/modeltests/get_or_create/tests.py b/tests/modeltests/get_or_create/tests.py new file mode 100644 index 0000000000..3323c88a82 --- /dev/null +++ b/tests/modeltests/get_or_create/tests.py @@ -0,0 +1,52 @@ +from datetime import date + +from django.db import IntegrityError +from django.test import TestCase + +from models import Person, ManualPrimaryKeyTest + + +class GetOrCreateTests(TestCase): + def test_get_or_create(self): + p = Person.objects.create( + first_name='John', last_name='Lennon', birthday=date(1940, 10, 9) + ) + + p, created = Person.objects.get_or_create( + first_name="John", last_name="Lennon", defaults={ + "birthday": date(1940, 10, 9) + } + ) + self.assertFalse(created) + self.assertEqual(Person.objects.count(), 1) + + p, created = Person.objects.get_or_create( + first_name='George', last_name='Harrison', defaults={ + 'birthday': date(1943, 2, 25) + } + ) + self.assertTrue(created) + self.assertEqual(Person.objects.count(), 2) + + # If we execute the exact same statement, it won't create a Person. + p, created = Person.objects.get_or_create( + first_name='George', last_name='Harrison', defaults={ + 'birthday': date(1943, 2, 25) + } + ) + self.assertFalse(created) + self.assertEqual(Person.objects.count(), 2) + + # If you don't specify a value or default value for all required + # fields, you will get an error. + self.assertRaises(IntegrityError, + Person.objects.get_or_create, first_name="Tom", last_name="Smith" + ) + + # If you specify an existing primary key, but different other fields, + # then you will get an error and data will not be updated. + m = ManualPrimaryKeyTest.objects.create(id=1, data="Original") + self.assertRaises(IntegrityError, + ManualPrimaryKeyTest.objects.get_or_create, id=1, data="Different" + ) + self.assertEqual(ManualPrimaryKeyTest.objects.get(id=1).data, "Original")