1 files changed, 61 insertions, 0 deletions
diff --git a/tests/unmanaged_models/tests.py b/tests/unmanaged_models/tests.py
new file mode 100644
index 0000000000..64e33bbb47
--- /dev/null
+++ b/tests/unmanaged_models/tests.py
@@ -0,0 +1,61 @@
+from __future__ import absolute_import
+
+from django.db import connection
+from django.test import TestCase
+
+from .models import A01, A02, B01, B02, C01, C02, Unmanaged2, Managed1
+
+
+class SimpleTests(TestCase):
+
+    def test_simple(self):
+        """
+        The main test here is that the all the models can be created without
+        any database errors. We can also do some more simple insertion and
+        lookup tests whilst we're here to show that the second of models do
+        refer to the tables from the first set.
+        """
+        # Insert some data into one set of models.
+        a = A01.objects.create(f_a="foo", f_b=42)
+        B01.objects.create(fk_a=a, f_a="fred", f_b=1729)
+        c = C01.objects.create(f_a="barney", f_b=1)
+        c.mm_a = [a]
+
+        # ... and pull it out via the other set.
+        a2 = A02.objects.all()[0]
+        self.assertTrue(isinstance(a2, A02))
+        self.assertEqual(a2.f_a, "foo")
+
+        b2 = B02.objects.all()[0]
+        self.assertTrue(isinstance(b2, B02))
+        self.assertEqual(b2.f_a, "fred")
+
+        self.assertTrue(isinstance(b2.fk_a, A02))
+        self.assertEqual(b2.fk_a.f_a, "foo")
+
+        self.assertEqual(list(C02.objects.filter(f_a=None)), [])
+
+        resp = list(C02.objects.filter(mm_a=a.id))
+        self.assertEqual(len(resp), 1)
+
+        self.assertTrue(isinstance(resp[0], C02))
+        self.assertEqual(resp[0].f_a, 'barney')
+
+
+class ManyToManyUnmanagedTests(TestCase):
+
+    def test_many_to_many_between_unmanaged(self):
+        """
+        The intermediary table between two unmanaged models should not be created.
+        """
+        table = Unmanaged2._meta.get_field('mm').m2m_db_table()
+        tables = connection.introspection.table_names()
+        self.assertTrue(table not in tables, "Table '%s' should not exist, but it does." % table)
+
+    def test_many_to_many_between_unmanaged_and_managed(self):
+        """
+        An intermediary table between a managed and an unmanaged model should be created.
+        """
+        table = Managed1._meta.get_field('mm').m2m_db_table()
+        tables = connection.introspection.table_names()
+        self.assertTrue(table in tables, "Table '%s' does not exist." % table)