1 files changed, 49 insertions, 0 deletions
diff --git a/java/broker/src/test/java/org/apache/qpid/server/security/auth/TestPrincipalUtils.java b/java/broker/src/test/java/org/apache/qpid/server/security/auth/TestPrincipalUtils.java
new file mode 100644
index 0000000000..ea6b40e3de
--- /dev/null
+++ b/java/broker/src/test/java/org/apache/qpid/server/security/auth/TestPrincipalUtils.java
@@ -0,0 +1,49 @@
+/*
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.qpid.server.security.auth;
+
+import javax.security.auth.Subject;
+
+import org.apache.qpid.server.security.group.GroupPrincipal;
+
+import java.security.Principal;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.Set;
+
+public class TestPrincipalUtils
+{
+    /**
+     * Creates a test subject, with exactly one {@link AuthenticatedPrincipal} and zero or more GroupPrincipals.
+     */
+    public static Subject createTestSubject(final String username, final String... groups)
+    {
+        final Set<Principal> principals = new HashSet<Principal>(1 + groups.length);
+        principals.add(new AuthenticatedPrincipal(username));
+        for (String group : groups)
+        {
+            principals.add(new GroupPrincipal(group));
+        }
+
+        return new Subject(true, principals, Collections.EMPTY_SET, Collections.EMPTY_SET);
+    }
+
+}