Converted the model_regress doctests into unittests. We have always been at war with doctests.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@14614 bcc190cf-cafb-0310-a4f2-bffc1f526a37

tests/regressiontests/model_regress/models.py

 # coding: utf-8
-import datetime
+from django.db import models
 
-from django.conf import settings
-from django.db import models, DEFAULT_DB_ALIAS, connection
-from django.utils import tzinfo
 
 CHOICES = (
     (1, 'first'),
@@ -60,112 +57,3 @@ class BrokenUnicodeMethod(models.Model):
 
 class NonAutoPK(models.Model):
     name = models.CharField(max_length=10, primary_key=True)
-
-__test__ = {'API_TESTS': """
-(NOTE: Part of the regression test here is merely parsing the model
-declaration. The verbose_name, in particular, did not always work.)
-
-An empty choice field should return None for the display name.
-
->>> from datetime import datetime
->>> a = Article(headline="Look at me!", pub_date=datetime.now())
->>> a.save()
->>> a.get_status_display() is None
-True
-
-Empty strings should be returned as Unicode
->>> a2 = Article.objects.get(pk=a.id)
->>> a2.misc_data
-u''
-
-# TextFields can hold more than 4000 characters (this was broken in Oracle).
->>> a3 = Article(headline="Really, really big", pub_date=datetime.now())
->>> a3.article_text = "ABCDE" * 1000
->>> a3.save()
->>> a4 = Article.objects.get(pk=a3.id)
->>> len(a4.article_text)
-5000
-
-# Regression test for #659
->>> import datetime
->>> p = Party.objects.create(when = datetime.datetime(1999, 12, 31))
->>> p = Party.objects.create(when = datetime.datetime(1998, 12, 31))
->>> p = Party.objects.create(when = datetime.datetime(1999, 1, 1))
->>> [p.when for p in Party.objects.filter(when__month=2)]
-[]
->>> [p.when for p in Party.objects.filter(when__month=1)]
-[datetime.date(1999, 1, 1)]
->>> [p.when for p in Party.objects.filter(when__month=12)]
-[datetime.date(1999, 12, 31), datetime.date(1998, 12, 31)]
->>> [p.when for p in Party.objects.filter(when__year=1998)]
-[datetime.date(1998, 12, 31)]
-
-# Regression test for #8510
->>> [p.when for p in Party.objects.filter(when__day='31')]
-[datetime.date(1999, 12, 31), datetime.date(1998, 12, 31)]
->>> [p.when for p in Party.objects.filter(when__month='12')]
-[datetime.date(1999, 12, 31), datetime.date(1998, 12, 31)]
->>> [p.when for p in Party.objects.filter(when__year='1998')]
-[datetime.date(1998, 12, 31)]
-
-# Date filtering was failing with NULL date values in SQLite (regression test
-# for #3501, amongst other things).
->>> _ = Party.objects.create()
->>> p = Party.objects.filter(when__month=1)[0]
->>> p.when
-datetime.date(1999, 1, 1)
->>> l = Party.objects.filter(pk=p.pk).dates("when", "month")
->>> l[0].month == 1
-True
-
-# Check that get_next_by_FIELD and get_previous_by_FIELD don't crash when we
-# have usecs values stored on the database
-#
-# [It crashed after the Field.get_db_prep_* refactor, because on most backends
-#  DateTimeFields supports usecs, but DateTimeField.to_python didn't recognize
-#  them. (Note that Model._get_next_or_previous_by_FIELD coerces values to
-#  strings)]
-#
->>> e = Event.objects.create(when = datetime.datetime(2000, 1, 1, 16, 0, 0))
->>> e = Event.objects.create(when = datetime.datetime(2000, 1, 1, 6, 1, 1))
->>> e = Event.objects.create(when = datetime.datetime(2000, 1, 1, 13, 1, 1))
->>> e = Event.objects.create(when = datetime.datetime(2000, 1, 1, 12, 0, 20, 24))
->>> e.get_next_by_when().when
-datetime.datetime(2000, 1, 1, 13, 1, 1)
->>> e.get_previous_by_when().when
-datetime.datetime(2000, 1, 1, 6, 1, 1)
-
-# Check Department and Worker
->>> d = Department(id=10, name='IT')
->>> d.save()
->>> w = Worker(department=d, name='Full-time')
->>> w.save()
->>> w
-<Worker: Full-time>
-
-# Models with broken unicode methods should still have a printable repr
->>> b = BrokenUnicodeMethod(name="Jerry")
->>> b.save()
->>> BrokenUnicodeMethod.objects.all()
-[<BrokenUnicodeMethod: [Bad Unicode data]>]
-
-"""}
-
-if connection.features.supports_timezones:
-    __test__["timezone-tests"] = """
-# Saving an updating with timezone-aware datetime Python objects. Regression
-# test for #10443.
-
-# The idea is that all these creations and saving should work without crashing.
-# It's not rocket science.
->>> Article.objects.all().delete()
->>> dt1 = datetime.datetime(2008, 8, 31, 16, 20, tzinfo=tzinfo.FixedOffset(600))
->>> dt2 = datetime.datetime(2008, 8, 31, 17, 20, tzinfo=tzinfo.FixedOffset(600))
->>> obj = Article.objects.create(headline="A headline", pub_date=dt1, article_text="foo")
-
->>> obj.pub_date = dt2
->>> obj.save()
->>> Article.objects.filter(headline="A headline").update(pub_date=dt1)
-1
-
-"""

tests/regressiontests/model_regress/tests.py

-from django.core.exceptions import ValidationError
-from django.test import TestCase
+import datetime
+from operator import attrgetter
 
-from models import Worker, NonAutoPK
+from django.test import TestCase, skipUnlessDBFeature
+from django.utils import tzinfo
 
+from models import (Worker, Article, Party, Event, Department,
+    BrokenUnicodeMethod, NonAutoPK)
 
-class RelatedModelOrderedLookupTest(TestCase):
-    """
-    Regression test for #10153: foreign key __gte and __lte lookups.
-    """
 
+
+class ModelTests(TestCase):
     # The bug is that the following queries would raise:
     # "TypeError: Related Field has invalid lookup: gte"
-
     def test_related_gte_lookup(self):
+        """
+        Regression test for #10153: foreign key __gte lookups.
+        """
         Worker.objects.filter(department__gte=0)
 
     def test_related_lte_lookup(self):
+        """
+        Regression test for #10153: foreign key __lte lookups.
+        """
         Worker.objects.filter(department__lte=0)
 
+    def test_empty_choice(self):
+        # NOTE: Part of the regression test here is merely parsing the model
+        # declaration. The verbose_name, in particular, did not always work.
+        a = Article.objects.create(
+            headline="Look at me!", pub_date=datetime.datetime.now()
+        )
+        # An empty choice field should return None for the display name.
+        self.assertIs(a.get_status_display(), None)
+
+        # Empty strings should be returned as Unicode
+        a = Article.objects.get(pk=a.pk)
+        self.assertEqual(a.misc_data, u'')
+        self.assertIs(type(a.misc_data), unicode)
+
+    def test_long_textfield(self):
+        # TextFields can hold more than 4000 characters (this was broken in
+        # Oracle).
+        a = Article.objects.create(
+            headline="Really, really big",
+            pub_date=datetime.datetime.now(),
+            article_text = "ABCDE" * 1000
+        )
+        a = Article.objects.get(pk=a.pk)
+        self.assertEqual
+        (len(a.article_text), 5000)
+
+    def test_date_lookup(self):
+        # Regression test for #659
+        Party.objects.create(when=datetime.datetime(1999, 12, 31))
+        Party.objects.create(when=datetime.datetime(1998, 12, 31))
+        Party.objects.create(when=datetime.datetime(1999, 1, 1))
+        self.assertQuerysetEqual(
+            Party.objects.filter(when__month=2), []
+        )
+        self.assertQuerysetEqual(
+            Party.objects.filter(when__month=1), [
+                datetime.date(1999, 1, 1)
+            ],
+            attrgetter("when")
+        )
+        self.assertQuerysetEqual(
+            Party.objects.filter(when__month=12), [
+                datetime.date(1999, 12, 31),
+                datetime.date(1998, 12, 31),
+            ],
+            attrgetter("when")
+        )
+        self.assertQuerysetEqual(
+            Party.objects.filter(when__year=1998), [
+                datetime.date(1998, 12, 31),
+            ],
+            attrgetter("when")
+        )
+        # Regression test for #8510
+        self.assertQuerysetEqual(
+            Party.objects.filter(when__day="31"), [
+                datetime.date(1999, 12, 31),
+                datetime.date(1998, 12, 31),
+            ],
+            attrgetter("when")
+        )
+        self.assertQuerysetEqual(
+            Party.objects.filter(when__month="12"), [
+                datetime.date(1999, 12, 31),
+                datetime.date(1998, 12, 31),
+            ],
+            attrgetter("when")
+        )
+        self.assertQuerysetEqual(
+            Party.objects.filter(when__year="1998"), [
+                datetime.date(1998, 12, 31),
+            ],
+            attrgetter("when")
+        )
+
+    def test_date_filter_null(self):
+        # Date filtering was failing with NULL date values in SQLite
+        # (regression test for #3501, amongst other things).
+        Party.objects.create(when=datetime.datetime(1999, 1, 1))
+        Party.objects.create()
+        p = Party.objects.filter(when__month=1)[0]
+        self.assertEqual(p.when, datetime.date(1999, 1, 1))
+        self.assertQuerysetEqual(
+            Party.objects.filter(pk=p.pk).dates("when", "month"), [
+                1
+            ],
+            attrgetter("month")
+        )
+
+    def test_get_next_prev_by_field(self):
+        # Check that get_next_by_FIELD and get_previous_by_FIELD don't crash
+        # when we have usecs values stored on the database
+        #
+        # It crashed after the Field.get_db_prep_* refactor, because on most
+        # backends DateTimeFields supports usecs, but DateTimeField.to_python
+        # didn't recognize them. (Note that
+        # Model._get_next_or_previous_by_FIELD coerces values to strings)
+        Event.objects.create(when=datetime.datetime(2000, 1, 1, 16, 0, 0))
+        Event.objects.create(when=datetime.datetime(2000, 1, 1, 6, 1, 1))
+        Event.objects.create(when=datetime.datetime(2000, 1, 1, 13, 1, 1))
+        e = Event.objects.create(when=datetime.datetime(2000, 1, 1, 12, 0, 20, 24))
+
+        self.assertEqual(
+            e.get_next_by_when().when, datetime.datetime(2000, 1, 1, 13, 1, 1)
+        )
+        self.assertEqual(
+            e.get_previous_by_when().when, datetime.datetime(2000, 1, 1, 6, 1, 1)
+        )
+
+    def test_primary_key_foreign_key_types(self):
+        # Check Department and Worker (non-default PK type)
+        d = Department.objects.create(id=10, name="IT")
+        w = Worker.objects.create(department=d, name="Full-time")
+        self.assertEqual(unicode(w), "Full-time")
+
+    def test_broken_unicode(self):
+        # Models with broken unicode methods should still have a printable repr
+        b = BrokenUnicodeMethod.objects.create(name="Jerry")
+        self.assertEqual(repr(b), "<BrokenUnicodeMethod: [Bad Unicode data]>")
+
+    @skipUnlessDBFeature("supports_timezones")
+    def test_timezones(self):
+        # Saving an updating with timezone-aware datetime Python objects.
+        # Regression test for #10443.
+        # The idea is that all these creations and saving should work without
+        # crashing. It's not rocket science.
+        dt1 = datetime.datetime(2008, 8, 31, 16, 20, tzinfo=tzinfo.FixedOffset(600))
+        dt2 = datetime.datetime(2008, 8, 31, 17, 20, tzinfo=tzinfo.FixedOffset(600))
+        obj = Article.objects.create(
+            headline="A headline", pub_date=dt1, article_text="foo"
+        )
+        obj.pub_date = dt2
+        obj.save()
+        self.assertEqual(
+            Article.objects.filter(headline="A headline").update(pub_date=dt1),
+            1
+        )
 
 class ModelValidationTest(TestCase):
     def test_pk_validation(self):