Create a NullRunAsManager, which is used by default by the AbstractSecurityInterceptor.

core/src/test/java/org/acegisecurity/intercept/method/MethodSecurityInterceptorTests.java

@@ -36,6 +36,7 @@ import net.sf.acegisecurity.context.SecureContext;
 import net.sf.acegisecurity.context.SecureContextImpl;
 import net.sf.acegisecurity.intercept.SecurityInterceptorCallback;
 import net.sf.acegisecurity.providers.UsernamePasswordAuthenticationToken;
+import net.sf.acegisecurity.runas.RunAsManagerImpl;
 
 import org.aopalliance.intercept.MethodInvocation;
 
@@ -336,7 +337,6 @@ public class MethodSecurityInterceptorTests extends TestCase {
     public void testStartupCheckForMethodDefinitionSource() {
         MethodSecurityInterceptor si = new MethodSecurityInterceptor();
         si.setAccessDecisionManager(new MockAccessDecisionManager());
-        si.setRunAsManager(new MockRunAsManager());
         si.setAuthenticationManager(new MockAuthenticationManager());
 
         try {
@@ -352,6 +352,7 @@ public class MethodSecurityInterceptorTests extends TestCase {
         MethodSecurityInterceptor si = new MethodSecurityInterceptor();
         si.setAccessDecisionManager(new MockAccessDecisionManager());
         si.setAuthenticationManager(new MockAuthenticationManager());
+        si.setRunAsManager(null); // Overriding the default
 
         si.setObjectDefinitionSource(new MockMethodDefinitionSource(false, true));
 
@@ -366,8 +367,8 @@ public class MethodSecurityInterceptorTests extends TestCase {
     public void testValidationFailsIfInvalidAttributePresented() {
         MethodSecurityInterceptor si = new MethodSecurityInterceptor();
         si.setAccessDecisionManager(new MockAccessDecisionManager());
-        si.setRunAsManager(new MockRunAsManager());
         si.setAuthenticationManager(new MockAuthenticationManager());
+        si.setRunAsManager(new RunAsManagerImpl());
 
         assertTrue(si.isValidateConfigAttributes()); // check default
         si.setObjectDefinitionSource(new MockMethodDefinitionSource(true, true));
@@ -384,7 +385,6 @@ public class MethodSecurityInterceptorTests extends TestCase {
     public void testValidationNotAttemptedIfIsValidateConfigAttributesSetToFalse() {
         MethodSecurityInterceptor si = new MethodSecurityInterceptor();
         si.setAccessDecisionManager(new MockAccessDecisionManager());
-        si.setRunAsManager(new MockRunAsManager());
         si.setAuthenticationManager(new MockAuthenticationManager());
 
         assertTrue(si.isValidateConfigAttributes()); // check default

core/src/test/java/org/acegisecurity/intercept/method/MockMethodDefinitionSource.java

@@ -57,7 +57,7 @@ public class MockMethodDefinitionSource extends AbstractMethodDefinitionSource {
 
         ConfigAttributeDefinition def3 = new ConfigAttributeDefinition();
         def3.addConfigAttribute(new SecurityConfig("MOCK_UPPER"));
-        def3.addConfigAttribute(new SecurityConfig("RUN_AS"));
+        def3.addConfigAttribute(new SecurityConfig("RUN_AS_"));
         list.add(def3);
 
         if (includeInvalidAttributes) {

core/src/test/java/org/acegisecurity/runas/NullRunAsManagerTests.java

@@ -0,0 +1,64 @@
+/* Copyright 2004 Acegi Technology Pty Limited
+ *
+ * Licensed 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 net.sf.acegisecurity.runas;
+
+import junit.framework.TestCase;
+
+import net.sf.acegisecurity.SecurityConfig;
+
+
+/**
+ * Tests {@link NullRunAsManager}.
+ *
+ * @author Ben Alex
+ * @version $Id$
+ */
+public class NullRunAsManagerTests extends TestCase {
+    //~ Constructors ===========================================================
+
+    public NullRunAsManagerTests() {
+        super();
+    }
+
+    public NullRunAsManagerTests(String arg0) {
+        super(arg0);
+    }
+
+    //~ Methods ================================================================
+
+    public final void setUp() throws Exception {
+        super.setUp();
+    }
+
+    public static void main(String[] args) {
+        junit.textui.TestRunner.run(NullRunAsManagerTests.class);
+    }
+
+    public void testAlwaysReturnsNull() {
+        NullRunAsManager runAs = new NullRunAsManager();
+        assertNull(runAs.buildRunAs(null, null, null));
+    }
+
+    public void testAlwaysSupportsClass() {
+        NullRunAsManager runAs = new NullRunAsManager();
+        assertTrue(runAs.supports(String.class));
+    }
+
+    public void testNeverSupportsAttribute() {
+        NullRunAsManager runAs = new NullRunAsManager();
+        assertFalse(runAs.supports(new SecurityConfig("X")));
+    }
+}