[1.2.X]. Convert m2m_recursive tests to unittests. We have always been at war with doctests. Backport of [14082].

git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.2.X@14083 bcc190cf-cafb-0310-a4f2-bffc1f526a37

tests/modeltests/m2m_recursive/models.py

@@ -18,6 +18,7 @@ appropriate.
 
 from django.db import models
 
+
 class Person(models.Model):
     name = models.CharField(max_length=20)
     friends = models.ManyToManyField('self')
@@ -25,172 +26,3 @@ class Person(models.Model):
 
     def __unicode__(self):
         return self.name
-
-__test__ = {'API_TESTS':"""
->>> a = Person(name='Anne')
->>> a.save()
->>> b = Person(name='Bill')
->>> b.save()
->>> c = Person(name='Chuck')
->>> c.save()
->>> d = Person(name='David')
->>> d.save()
-
-# Add some friends in the direction of field definition
-# Anne is friends with Bill and Chuck
->>> a.friends.add(b,c)
-
-# David is friends with Anne and Chuck - add in reverse direction
->>> d.friends.add(a,c)
-
-# Who is friends with Anne?
->>> a.friends.all()
-[<Person: Bill>, <Person: Chuck>, <Person: David>]
-
-# Who is friends with Bill?
->>> b.friends.all()
-[<Person: Anne>]
-
-# Who is friends with Chuck?
->>> c.friends.all()
-[<Person: Anne>, <Person: David>]
-
-# Who is friends with David?
->>> d.friends.all()
-[<Person: Anne>, <Person: Chuck>]
-
-# Bill is already friends with Anne - add Anne again, but in the reverse direction
->>> b.friends.add(a)
-
-# Who is friends with Anne?
->>> a.friends.all()
-[<Person: Bill>, <Person: Chuck>, <Person: David>]
-
-# Who is friends with Bill?
->>> b.friends.all()
-[<Person: Anne>]
-
-# Remove Anne from Bill's friends
->>> b.friends.remove(a)
-
-# Who is friends with Anne?
->>> a.friends.all()
-[<Person: Chuck>, <Person: David>]
-
-# Who is friends with Bill?
->>> b.friends.all()
-[]
-
-# Clear Anne's group of friends
->>> a.friends.clear()
-
-# Who is friends with Anne?
->>> a.friends.all()
-[]
-
-# Reverse relationships should also be gone
-# Who is friends with Chuck?
->>> c.friends.all()
-[<Person: David>]
-
-# Who is friends with David?
->>> d.friends.all()
-[<Person: Chuck>]
-
-
-# Add some idols in the direction of field definition
-# Anne idolizes Bill and Chuck
->>> a.idols.add(b,c)
-
-# Bill idolizes Anne right back
->>> b.idols.add(a)
-
-# David is idolized by Anne and Chuck - add in reverse direction
->>> d.stalkers.add(a,c)
-
-# Who are Anne's idols?
->>> a.idols.all()
-[<Person: Bill>, <Person: Chuck>, <Person: David>]
-
-# Who is stalking Anne?
->>> a.stalkers.all()
-[<Person: Bill>]
-
-# Who are Bill's idols?
->>> b.idols.all()
-[<Person: Anne>]
-
-# Who is stalking Bill?
->>> b.stalkers.all()
-[<Person: Anne>]
-
-# Who are Chuck's idols?
->>> c.idols.all()
-[<Person: David>]
-
-# Who is stalking Chuck?
->>> c.stalkers.all()
-[<Person: Anne>]
-
-# Who are David's idols?
->>> d.idols.all()
-[]
-
-# Who is stalking David
->>> d.stalkers.all()
-[<Person: Anne>, <Person: Chuck>]
-
-# Bill is already being stalked by Anne - add Anne again, but in the reverse direction
->>> b.stalkers.add(a)
-
-# Who are Anne's idols?
->>> a.idols.all()
-[<Person: Bill>, <Person: Chuck>, <Person: David>]
-
-# Who is stalking Anne?
-[<Person: Bill>]
-
-# Who are Bill's idols
->>> b.idols.all()
-[<Person: Anne>]
-
-# Who is stalking Bill?
->>> b.stalkers.all()
-[<Person: Anne>]
-
-# Remove Anne from Bill's list of stalkers
->>> b.stalkers.remove(a)
-
-# Who are Anne's idols?
->>> a.idols.all()
-[<Person: Chuck>, <Person: David>]
-
-# Who is stalking Anne?
->>> a.stalkers.all()
-[<Person: Bill>]
-
-# Who are Bill's idols?
->>> b.idols.all()
-[<Person: Anne>]
-
-# Who is stalking Bill?
->>> b.stalkers.all()
-[]
-
-# Clear Anne's group of idols
->>> a.idols.clear()
-
-# Who are Anne's idols
->>> a.idols.all()
-[]
-
-# Reverse relationships should also be gone
-# Who is stalking Chuck?
->>> c.stalkers.all()
-[]
-
-# Who is friends with David?
->>> d.stalkers.all()
-[<Person: Chuck>]
-
-"""}

tests/modeltests/m2m_recursive/tests.py

@@ -0,0 +1,253 @@
+from operator import attrgetter
+
+from django.test import TestCase
+
+from models import Person
+
+
+class RecursiveM2MTests(TestCase):
+    def test_recursive_m2m(self):
+        a, b, c, d = [
+            Person.objects.create(name=name)
+            for name in ["Anne", "Bill", "Chuck", "David"]
+        ]
+        
+        # Add some friends in the direction of field definition
+        # Anne is friends with Bill and Chuck
+        a.friends.add(b, c)
+
+        # David is friends with Anne and Chuck - add in reverse direction
+        d.friends.add(a,c)
+        
+        # Who is friends with Anne?
+        self.assertQuerysetEqual(
+            a.friends.all(), [
+                "Bill",
+                "Chuck",
+                "David"
+            ],
+            attrgetter("name")
+        )
+        # Who is friends with Bill?
+        self.assertQuerysetEqual(
+            b.friends.all(), [
+                "Anne",
+            ],
+            attrgetter("name")
+        )
+        # Who is friends with Chuck?
+        self.assertQuerysetEqual(
+            c.friends.all(), [
+                "Anne",
+                "David"
+            ],
+            attrgetter("name")
+        )
+        # Who is friends with David?
+        self.assertQuerysetEqual(
+            d.friends.all(), [
+                "Anne",
+                "Chuck",
+            ],
+            attrgetter("name")
+        )
+        # Bill is already friends with Anne - add Anne again, but in the
+        # reverse direction
+        b.friends.add(a)
+        
+        # Who is friends with Anne?
+        self.assertQuerysetEqual(
+            a.friends.all(), [
+                "Bill",
+                "Chuck",
+                "David",
+            ],
+            attrgetter("name")
+        )
+        # Who is friends with Bill?
+        self.assertQuerysetEqual(
+            b.friends.all(), [
+                "Anne",
+            ],
+            attrgetter("name")
+        )
+        # Remove Anne from Bill's friends
+        b.friends.remove(a)
+        # Who is friends with Anne?
+        self.assertQuerysetEqual(
+            a.friends.all(), [
+                "Chuck",
+                "David",
+            ],
+            attrgetter("name")
+        )
+        # Who is friends with Bill?
+        self.assertQuerysetEqual(
+            b.friends.all(), []
+        )
+
+        # Clear Anne's group of friends
+        a.friends.clear()
+        # Who is friends with Anne?
+        self.assertQuerysetEqual(
+            a.friends.all(), []
+        )
+        # Reverse relationships should also be gone
+        # Who is friends with Chuck?
+        self.assertQuerysetEqual(
+            c.friends.all(), [
+                "David",
+            ],
+            attrgetter("name")
+        )
+        # Who is friends with David?
+        self.assertQuerysetEqual(
+            d.friends.all(), [
+                "Chuck",
+            ],
+            attrgetter("name")
+        )
+
+        # Add some idols in the direction of field definition
+        # Anne idolizes Bill and Chuck
+        a.idols.add(b, c)
+        # Bill idolizes Anne right back
+        b.idols.add(a)
+        # David is idolized by Anne and Chuck - add in reverse direction
+        d.stalkers.add(a, c)
+        
+        # Who are Anne's idols?
+        self.assertQuerysetEqual(
+            a.idols.all(), [
+                "Bill",
+                "Chuck",
+                "David",
+            ],
+            attrgetter("name")
+        )
+        # Who is stalking Anne?
+        self.assertQuerysetEqual(
+            a.stalkers.all(), [
+                "Bill",
+            ],
+            attrgetter("name")
+        )
+        # Who are Bill's idols?
+        self.assertQuerysetEqual(
+            b.idols.all(), [
+                "Anne",
+            ],
+            attrgetter("name")
+        )
+        # Who is stalking Bill?
+        self.assertQuerysetEqual(
+            b.stalkers.all(), [
+                "Anne",
+            ],
+            attrgetter("name")
+        )
+        # Who are Chuck's idols?
+        self.assertQuerysetEqual(
+            c.idols.all(), [
+                "David",
+            ],
+            attrgetter("name"),
+        )
+        # Who is stalking Chuck?
+        self.assertQuerysetEqual(
+            c.stalkers.all(), [
+                "Anne",
+            ],
+            attrgetter("name")
+        )
+        # Who are David's idols?
+        self.assertQuerysetEqual(
+            d.idols.all(), []
+        )
+        # Who is stalking David
+        self.assertQuerysetEqual(
+            d.stalkers.all(), [
+                "Anne",
+                "Chuck",
+            ],
+            attrgetter("name")
+        )
+        # Bill is already being stalked by Anne - add Anne again, but in the
+        # reverse direction
+        b.stalkers.add(a)
+        # Who are Anne's idols?
+        self.assertQuerysetEqual(
+            a.idols.all(), [
+                "Bill",
+                "Chuck",
+                "David",
+            ],
+            attrgetter("name")
+        )
+        # Who is stalking Anne?
+        self.assertQuerysetEqual(
+            a.stalkers.all(), [
+                "Bill",
+            ],
+            attrgetter("name")
+        )
+        # Who are Bill's idols
+        self.assertQuerysetEqual(
+            b.idols.all(), [
+                "Anne",
+            ],
+            attrgetter("name")
+        )
+        # Who is stalking Bill?
+        self.assertQuerysetEqual(
+            b.stalkers.all(), [
+                "Anne",
+            ],
+            attrgetter("name"),
+        )
+        # Remove Anne from Bill's list of stalkers
+        b.stalkers.remove(a)
+        # Who are Anne's idols?
+        self.assertQuerysetEqual(
+            a.idols.all(), [
+                "Chuck",
+                "David",
+            ],
+            attrgetter("name")
+        )
+        # Who is stalking Anne?
+        self.assertQuerysetEqual(
+            a.stalkers.all(), [
+                "Bill",
+            ],
+            attrgetter("name")
+        )
+        # Who are Bill's idols?
+        self.assertQuerysetEqual(
+            b.idols.all(), [
+                "Anne",
+            ],
+            attrgetter("name")
+        )
+        # Who is stalking Bill?
+        self.assertQuerysetEqual(
+            b.stalkers.all(), []
+        )
+        # Clear Anne's group of idols
+        a.idols.clear()
+        # Who are Anne's idols
+        self.assertQuerysetEqual(
+            a.idols.all(), []
+        )
+        # Reverse relationships should also be gone
+        # Who is stalking Chuck?
+        self.assertQuerysetEqual(
+            c.stalkers.all(), []
+        )
+        # Who is friends with David?
+        self.assertQuerysetEqual(
+            d.stalkers.all(), [
+                "Chuck",
+            ],
+            attrgetter("name")
+        )