[Zope-CVS] CVS: Packages/pypes/pypes/tests - test_query.py:1.3

[Casey Duncan]

Update of /cvs-repository/Packages/pypes/pypes/tests
In directory cvs.zope.org:/tmp/cvs-serv22218/tests

Modified Files:
	test_query.py 
Log Message:
Implement greater-join query primitive.
Remove optimization reordering join inputs, it's premature at this point


=== Packages/pypes/pypes/tests/test_query.py 1.2 => 1.3 ===
--- Packages/pypes/pypes/tests/test_query.py:1.2	Fri Apr  2 22:50:24 2004
+++ Packages/pypes/pypes/tests/test_query.py	Sun Apr  4 00:27:10 2004
@@ -229,6 +229,34 @@
         for r, l in join:
             self.assertEqual(l.big, r.big)
 
+    def test_greater_join(self):
+        from pypes.query import greater_join
+        us = [TestClass(age=14-i) for i in range(10)]
+        them = [TestClass(age=i) for i in range(15)]
+        expr = lambda x: x.age
+        joined = list(greater_join(us, expr, them, expr))
+        left2right = {}
+        for left, right in joined:
+            self.failUnless(left.age > right.age)
+            left2right.setdefault(left, []).append(right)
+        for left, lesser in left2right.items():
+            self.assertEqual(len(lesser), left.age)
+            
+    def test_greater_join_empty(self):
+        from pypes.query import greater_join
+        joined = greater_join([], lambda x:x, [], lambda x:x)
+        self.failIf(list(joined))
+        objs = [TestClass() for i in range(5)]
+        joined = greater_join(objs, lambda x:x, [], lambda x:x)
+        self.failIf(list(joined))
+        joined = greater_join([], lambda x:x, objs, lambda x:x)
+        self.failIf(list(joined))
+    
+    def test_greater_join_none_greater(self):
+        from pypes.query import greater_join
+        objs = [TestClass() for i in range(5)]
+        joined = greater_join(objs, lambda x: 1, objs, lambda x: 2)
+        self.failIf(list(joined))       
 
 if __name__ == '__main__':
     unittest.main()