1 files changed, 189 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/test/java/org/apache/tuscany/sca/implementation/java/util/JavaIntrospectionHelperTestCase.java b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/test/java/org/apache/tuscany/sca/implementation/java/util/JavaIntrospectionHelperTestCase.java
new file mode 100644
index 0000000000..9624865dcc
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+++ b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/test/java/org/apache/tuscany/sca/implementation/java/util/JavaIntrospectionHelperTestCase.java
@@ -0,0 +1,189 @@
+/*
+ * 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.tuscany.sca.implementation.java.util;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+
+import java.lang.reflect.Constructor;
+import java.lang.reflect.Field;
+import java.lang.reflect.Method;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+import org.apache.tuscany.sca.implementation.java.introspect.JavaIntrospectionHelper;
+import org.junit.Test;
+
+/**
+ *
+ * @version $Rev$ $Date$
+ */
+public class JavaIntrospectionHelperTestCase {
+
+    private List testNoGenericsList;
+    private List<String> testList;
+    private Map<String, Bean1> testMap;
+    private Entry[] testArray;
+    private String[] testStringArray;
+
+    @Test
+    public void testBean1AllPublicProtectedFields() throws Exception {
+        Set<Field> beanFields = JavaIntrospectionHelper.getAllPublicAndProtectedFields(Bean1.class, true);
+        assertEquals(4, beanFields.size());                //Bean1.ALL_BEAN1_PUBLIC_PROTECTED_FIELDS
+    }
+
+    @Test
+    public void testGetSuperAllMethods() throws Exception {
+        Set<Method> superBeanMethods = JavaIntrospectionHelper.getAllUniquePublicProtectedMethods(SuperBean.class, true);
+        assertEquals(SuperBean.ALL_SUPER_METHODS, superBeanMethods.size());
+    }
+
+    @Test
+    public void testGetBean1AllMethods() throws Exception {
+        Set<Method> beanMethods = JavaIntrospectionHelper.getAllUniquePublicProtectedMethods(Bean1.class, true);
+        assertEquals(Bean1.ALL_BEAN1_METHODS, beanMethods.size());
+    }
+
+    @Test
+    public void testOverrideMethod() throws Exception {
+        Set<Method> beanFields = JavaIntrospectionHelper.getAllUniquePublicProtectedMethods(Bean1.class, true);
+        boolean invoked = false;
+        for (Method method : beanFields) {
+            if (method.getName().equals("override")) {
+                method.invoke(new Bean1(), "foo");
+                invoked = true;
+            }
+        }
+        if (!invoked) {
+            throw new Exception("Override never invoked");
+        }
+    }
+
+    @Test
+    public void testNoOverrideMethod() throws Exception {
+        Set<Method> beanFields = JavaIntrospectionHelper.getAllUniquePublicProtectedMethods(Bean1.class, true);
+        boolean found = false;
+        for (Method method : beanFields) {
+            if (method.getName().equals("noOverride") && method.getParameterTypes().length == 0) {
+                found = true;
+            }
+        }
+        if (!found) {
+            throw new Exception("No override not found");
+        }
+    }
+
+    @Test
+    public void testDefaultConstructor() throws Exception {
+        Constructor<Bean2> ctr = JavaIntrospectionHelper.getDefaultConstructor(Bean2.class);
+        assertEquals(ctr, Bean2.class.getConstructor());
+        assertTrue(Bean2.class == ctr.newInstance((Object[]) null).getClass());
+    }
+
+
+    @Test
+    public void testGetAllInterfaces() {
+        Set<Class<?>> interfaces = JavaIntrospectionHelper.getAllInterfaces(Z.class);
+        assertEquals(2, interfaces.size());
+        assertTrue(interfaces.contains(W.class));
+        assertTrue(interfaces.contains(W2.class));
+    }
+
+
+    @Test
+    public void testGetAllInterfacesObject() {
+        Set<Class<?>> interfaces = JavaIntrospectionHelper.getAllInterfaces(Object.class);
+        assertEquals(0, interfaces.size());
+    }
+
+    @Test
+    public void testGetAllInterfacesNoInterfaces() {
+        Set<Class<?>> interfaces = JavaIntrospectionHelper.getAllInterfaces(NoInterface.class);
+        assertEquals(0, interfaces.size());
+    }
+
+    /**
+     * Tests generics introspection capabilities
+     */
+    @Test
+    public void testGenerics() throws Exception {
+
+        List classes = JavaIntrospectionHelper.getGenerics(getClass().getDeclaredField("testList").getGenericType());
+        assertEquals(1, classes.size());
+        assertEquals(String.class, classes.get(0));
+
+        classes =
+            JavaIntrospectionHelper.getGenerics(getClass().getDeclaredField("testNoGenericsList").getGenericType());
+        assertEquals(0, classes.size());
+
+        classes = JavaIntrospectionHelper.getGenerics(getClass().getDeclaredField("testMap").getGenericType());
+        assertEquals(2, classes.size());
+        assertEquals(String.class, classes.get(0));
+        assertEquals(Bean1.class, classes.get(1));
+
+        classes = JavaIntrospectionHelper
+            .getGenerics(getClass().getDeclaredMethod("fooMethod", Map.class).getGenericParameterTypes()[0]);
+        assertEquals(2, classes.size());
+        assertEquals(String.class, classes.get(0));
+        assertEquals(Bean1.class, classes.get(1));
+
+        classes = JavaIntrospectionHelper
+            .getGenerics(getClass().getDeclaredMethod("fooMethod", List.class).getGenericParameterTypes()[0]);
+        assertEquals(1, classes.size());
+        assertEquals(String.class, classes.get(0));
+
+    }
+
+    private void fooMethod(List<String> foo) {
+
+    }
+
+    private void fooMethod(Map<String, Bean1> foo) {
+
+    }
+
+    public void setTestArray(Entry[] array) {
+    }
+
+    private interface W {
+
+    }
+
+    private interface W2 {
+
+    }
+
+    private class X implements W {
+
+    }
+
+    private class Y extends X implements W, W2 {
+
+    }
+
+    private class Z extends Y {
+
+    }
+
+    private class NoInterface {
+
+    }
+
+}