From: Mike Bayer <mike_mp@zzzcomputing.com>
Date: Wed, 7 Dec 2011 03:00:35 +0000 (-0500)
Subject: tests for FK/autoincrement selection
X-Git-Tag: rel_0_7_4~8
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c718ad227efe4b389c09f167a375c57969cf4bb4;p=thirdparty%2Fsqlalchemy%2Fsqlalchemy.git

tests for FK/autoincrement selection
---

diff --git a/test/sql/test_defaults.py b/test/sql/test_defaults.py
index 334a9d97c7..c0d3c2d499 100644
--- a/test/sql/test_defaults.py
+++ b/test/sql/test_defaults.py
@@ -552,6 +552,30 @@ class AutoIncrementTest(fixtures.TablesTest):
         )
         assert t._autoincrement_column is None
 
+    def test_autoincrement_ignore_fk(self):
+        m = MetaData()
+        y = Table('y', m,
+            Column('id', Integer(), primary_key=True)
+        )
+        x = Table('x', m,
+            Column('id', Integer(), 
+                ForeignKey('y.id'), 
+                autoincrement="ignore_fk", primary_key=True)
+        )
+        assert x._autoincrement_column is x.c.id
+
+    def test_autoincrement_fk_disqualifies(self):
+        m = MetaData()
+        y = Table('y', m,
+            Column('id', Integer(), primary_key=True)
+        )
+        x = Table('x', m,
+            Column('id', Integer(), 
+                ForeignKey('y.id'), 
+                primary_key=True)
+        )
+        assert x._autoincrement_column is None
+
     @testing.fails_on('sqlite', 'FIXME: unknown')
     def test_non_autoincrement(self):
         # sqlite INT primary keys can be non-unique! (only for ints)