[CalendarServer-changes] [6875] CalendarServer/branches/users/glyph/db-reconnect/twext/enterprise/ test/test_adbapi2.py

[source_changes at macosforge.org]

Revision: 6875
          http://trac.macosforge.org/projects/calendarserver/changeset/6875
Author:   glyph at apple.com
Date:     2011-02-03 15:41:57 -0800 (Thu, 03 Feb 2011)
Log Message:
-----------
test for final (I hope) relevant FIXME in the code

Modified Paths:
--------------
    CalendarServer/branches/users/glyph/db-reconnect/twext/enterprise/test/test_adbapi2.py

Modified: CalendarServer/branches/users/glyph/db-reconnect/twext/enterprise/test/test_adbapi2.py
===================================================================
--- CalendarServer/branches/users/glyph/db-reconnect/twext/enterprise/test/test_adbapi2.py	2011-02-03 23:41:55 UTC (rev 6874)
+++ CalendarServer/branches/users/glyph/db-reconnect/twext/enterprise/test/test_adbapi2.py	2011-02-03 23:41:57 UTC (rev 6875)
@@ -639,4 +639,22 @@
         self.assertEquals(stopResult, [None])
 
 
+    def test_tooManyConnectionsWhileOthersFinish(self):
+        """
+        L{ConnectionPool.connection} will not spawn more than the maximum
+        connections if there are finishing transactions outstanding.
+        """
+        a = self.pool.connection()
+        b = self.pool.connection()
+        self.pauseHolders()
+        a.abort()
+        b.abort()
+        # Remove the holders for the existing connections, so that the 'extra'
+        # connection() call wins the race and gets executed first.
+        self.holders[:] = []
+        self.pool.connection()
+        self.flushHolders()
+        self.assertEquals(len(self.factory.connections), 2)
 
+
+
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