Support classes for testing with services that require

[utils] / test / enterprise / src / test / java / org / wamblee / support / ThreadSpecificProxyFactoryTest.java

diff --git a/test/enterprise/src/test/java/org/wamblee/support/ThreadSpecificProxyFactoryTest.java b/test/enterprise/src/test/java/org/wamblee/support/ThreadSpecificProxyFactoryTest.java
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+++ b/test/enterprise/src/test/java/org/wamblee/support/ThreadSpecificProxyFactoryTest.java
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+/*
+ * Copyright 2005-2010 the original author or authors.
+ * 
+ * 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 org.wamblee.support;
+
+import javax.xml.ws.Holder;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import static junit.framework.TestCase.*;
+import static org.mockito.Mockito.*;
+
+public class ThreadSpecificProxyFactoryTest {
+
+    private static interface Service {
+        int execute(int aX) throws Exception;
+    }
+
+    private ThreadSpecificProxyFactory<Service> factory;
+    private Service proxy;
+
+    @Before
+    public void setUp() {
+        factory = new ThreadSpecificProxyFactory<Service>(Service.class);
+        proxy = factory.getProxy();
+    }
+
+    @After
+    public void tearDown() {
+        // Empty.
+    }
+
+    @Test(expected = NullPointerException.class)
+    public void testNoSvcDefined() throws Exception {
+        proxy.execute(10);
+    }
+
+    @Test
+    public void testInvokeThroughProxy() throws Exception {
+        Service svc = mock(Service.class);
+        when(svc.execute(anyInt())).thenReturn(50);
+        factory.set(svc);
+        assertEquals(50, proxy.execute(10));
+        verify(svc).execute(10);
+    }
+
+    @Test
+    public void testInvokeThroughProxyWithException() throws Exception {
+        Service svc = mock(Service.class);
+        try {
+            when(svc.execute(anyInt())).thenThrow(
+                new RuntimeException("exception thrown"));
+            factory.set(svc);
+            svc.execute(10);
+            fail();
+        } catch (RuntimeException e) {
+            assertEquals("exception thrown", e.getMessage());
+        }
+    }
+
+    private int returnFromThread;
+
+    @Test
+    public void testVerifyThreadSpecificUsingTwoThreads() throws Exception {
+        Service svc1 = mock(Service.class);
+        final Service svc2 = mock(Service.class);
+        when(svc1.execute(anyInt())).thenReturn(10);
+        when(svc2.execute(anyInt())).thenReturn(20);
+
+        factory.set(svc1);
+        assertEquals(10, svc1.execute(10));
+        Thread t = new Thread() {
+            public void run() {
+                factory.set(svc2);
+                try {
+                    returnFromThread = proxy.execute(100);
+                } catch (Exception e) {
+                    returnFromThread = 100000;
+                }
+            };
+        };
+        t.start();
+        t.join();
+        assertEquals(20, returnFromThread);
+        assertEquals(10, proxy.execute(100));
+
+    }
+
+    @Test(expected = IllegalArgumentException.class)
+    public void testNotAnInterface() {
+        ThreadSpecificProxyFactory f = new ThreadSpecificProxyFactory(String.class);
+    }
+}