Initial revision

diff --git a/lib/sqlalchemy/databases/__init__.py b/lib/sqlalchemy/databases/__init__.py
new file mode 100644 (file)
index 0000000..e69de29

diff --git a/test/pool.py b/test/pool.py
new file mode 100644 (file)
index 0000000..6de0841
--- /dev/null
+++ b/test/pool.py
@@ -0,0 +1,72 @@
+from testbase import PersistTest
+import unittest, sys, os
+
+from pysqlite2 import dbapi2 as sqlite
+import sqlalchemy.pool as pool
+
+class PoolTest(PersistTest):
+    
+    def setUp(self):
+        pool.clear_managers()
+        
+    def testmanager(self):
+        manager = pool.manage(sqlite)
+        
+        connection = manager.connect('foo.db')
+        connection2 = manager.connect('foo.db')
+        connection3 = manager.connect('bar.db')
+        
+        print "connection " + repr(connection)
+        self.assert_(connection.cursor() is not None)
+        self.assert_(connection is connection2)
+        self.assert_(connection2 is not connection3)
+    
+    def testnonthreadlocalmanager(self):
+        manager = pool.manage(sqlite, use_threadlocal = False)
+        
+        connection = manager.connect('foo.db')
+        connection2 = manager.connect('foo.db')
+
+        print "connection " + repr(connection)
+
+        self.assert_(connection.cursor() is not None)
+        self.assert_(connection is not connection2)
+
+    def testqueuepool(self):
+        p = pool.QueuePool(creator = lambda: sqlite.connect('foo.db'), pool_size = 3, max_overflow = -1, use_threadlocal = False, echo = False)
+    
+        def status(pool):
+            tup = (pool.size(), pool.checkedin(), pool.overflow(), pool.checkedout())
+            print "Pool size: %d  Connections in pool: %d Current Overflow: %d Current Checked out connections: %d" % tup
+            return tup
+                
+        c1 = p.connect()
+        self.assert_(status(p) == (3,0,-2,1))
+        c2 = p.connect()
+        self.assert_(status(p) == (3,0,-1,2))
+        c3 = p.connect()
+        self.assert_(status(p) == (3,0,0,3))
+        c4 = p.connect()
+        self.assert_(status(p) == (3,0,1,4))
+        c5 = p.connect()
+        self.assert_(status(p) == (3,0,2,5))
+        c6 = p.connect()
+        self.assert_(status(p) == (3,0,3,6))
+        c4 = c3 = c2 = None
+        self.assert_(status(p) == (3,3,3,3))
+        c1 = c5 = c6 = None
+        self.assert_(status(p) == (3,3,0,0))
+        c1 = p.connect()
+        c2 = p.connect()
+        self.assert_(status(p) == (3, 1, 0, 2))
+        c2 = None
+        self.assert_(status(p) == (3, 2, 0, 1))
+        
+    def tearDown(self):
+        for file in ('foo.db', 'bar.db'):
+            if os.access(file, os.F_OK):
+                os.remove(file)
+        
+        
+if __name__ == "__main__":
+    unittest.main()