From e5a363e6519c503e0db2b1dccb37e2c0931bbea9 Mon Sep 17 00:00:00 2001
From: David Ezzio <dezzio@apache.org>
Date: Fri, 8 Aug 2008 19:38:13 +0000
Subject: [PATCH] A little better error handling when an unknown persistence
 unit is specified in the test case.

git-svn-id: https://svn.apache.org/repos/asf/openjpa/trunk@684064 13f79535-47bb-0310-9956-ffa450edef68
---
 .../openjpa/persistence/test/PersistenceTestCase.java    | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/test/PersistenceTestCase.java b/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/test/PersistenceTestCase.java
index e29e507e6..0511dc33c 100644
--- a/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/test/PersistenceTestCase.java
+++ b/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/test/PersistenceTestCase.java
@@ -123,8 +123,13 @@ public abstract class PersistenceTestCase
                 "jpa(Types=" + buf.toString() + ")");
         }
 
-        return (OpenJPAEntityManagerFactorySPI) Persistence.
-            createEntityManagerFactory(pu, map);
+        OpenJPAEntityManagerFactorySPI oemf = (OpenJPAEntityManagerFactorySPI) 
+                Persistence.createEntityManagerFactory(pu, map);
+        if (oemf == null)
+            throw new NullPointerException(
+                    "Expected an entity manager factory " +
+                    "for the persistence unit named: \"" + pu + "\"");
+        return oemf;
     }
 
     @Override