lazydynalisttestcase.java

这是一个有关common beanutils 的源码

        ((DynaBean)collection.get(0)).set(testProperty, origValue+"_updated_"+0);
        ((DynaBean)collection.get(1)).set(testProperty, origValue+"_updated_"+1);
        ((DynaBean)collection.get(2)).set(testProperty, origValue+"_updated_"+2);

        // Test Insert - addAll(index, Collection)
        list.addAll(1, collection);
        dynaArray = list.toDynaBeanArray();

        // Check array after insert
        dynaArray = list.toDynaBeanArray();
        assertEquals("11. Array Size Wrong", expectedSize, dynaArray.length);

        // Check Beans have inserted correctly - by checking the property values
        assertEquals("12. Wrong Value", "orig_pos0",             dynaArray[0].get(testProperty));
        assertEquals("13. Wrong Value", origValue+"_updated_"+0, dynaArray[1].get(testProperty));
        assertEquals("14. Wrong Value", origValue+"_updated_"+1, dynaArray[2].get(testProperty));
        assertEquals("15. Wrong Value", origValue+"_updated_"+2, dynaArray[3].get(testProperty));
        assertEquals("16. Wrong Value", "orig_pos1",             dynaArray[4].get(testProperty));


        // Test Insert - add(index, Object)
        try {
            DynaBean extraElement = (DynaBean)testDynaClass.newInstance();
            extraElement.set(testProperty, "extraOne");
            list.add(2, extraElement);
            dynaArray = list.toDynaBeanArray();
            assertEquals("17. Wrong Value", origValue+"_updated_"+0, dynaArray[1].get(testProperty));
            assertEquals("18. Wrong Value", "extraOne",              dynaArray[2].get(testProperty));
            assertEquals("19. Wrong Value", origValue+"_updated_"+1, dynaArray[3].get(testProperty));
        } catch(Exception ex) {
            fail("2. FAILED: " + ex);
        }

    }

    /**
     * Test Map Create
     */
    private String findStringProperty(DynaClass dynaClass) {
        DynaProperty[] properties = dynaClass.getDynaProperties();
        for (int i = 0; i < properties.length; i++) {
            if (properties[i].getType() == String.class) {
                return properties[i].getName();
            }
        }
        return null;
    }



    /**
     * Test Map Create
     */
    private void mapTest(LazyDynaList list, Class testClass, Object wrongBean) {

        // Test get(index) created correct DynaBean - First
        Object dynaBean = list.get(0);
        assertNotNull("1. DynaBean Not Created", dynaBean);
        assertEquals("2. Not LazyDynaMap", LazyDynaMap.class, dynaBean.getClass());

        // Test get(index) created correct Map - First
        Object map = ((LazyDynaMap)dynaBean).getMap();
        assertNotNull("3. Map Not Created", map);
        assertEquals("4. Wrong Map", testClass, map.getClass());

        // Test toArray() creates correct Array - First
        Object array = list.toArray();
        assertNotNull("5. Array Not Created", array);
        assertEquals("6. Not Map[]", testClass, array.getClass().getComponentType());
        Map[] mapArray = (Map[])array;
        assertEquals("7. Array Size Wrong", 1, mapArray.length);

        // Test get(index) created correct DynaBean - Third
        dynaBean = list.get(2);
        assertNotNull("8. DynaBean Not Created", dynaBean);
        assertEquals("9. Not LazyDynaMap", LazyDynaMap.class, dynaBean.getClass());

        // Test get(index) created correct Map - Third
        map = ((LazyDynaMap)dynaBean).getMap();
        assertNotNull("10. Map Not Created", map);
        assertEquals("11. Wrong Map", testClass, map.getClass());

        // Test toArray() creates correct Array - Third
        array = list.toArray();
        assertNotNull("12. Array Not Created", array);
        assertEquals("13. Not Map[]", testClass, array.getClass().getComponentType());
        mapArray = (Map[])array;
        assertEquals("14. Array Size Wrong", 3, mapArray.length);

        // Test fail if different type added
        try {
            list.add(2, wrongBean);
            fail("Expected IllegalArgumentException");
        } catch(IllegalArgumentException ignore) {
            // expected result
        }

    }

    /**
     * Test Pojo Create
     */
    private void pojoTest(LazyDynaList list, Class testClass, Object wrongBean) {

        // Test get(index) created correct DynaBean - First
        Object dynaBean = list.get(0);
        assertNotNull("1. DynaBean Not Created", dynaBean);
        assertEquals("2. Not WrapDynaBean", WrapDynaBean.class, dynaBean.getClass());

        // Test get(index) created correct POJO - First
        Object pojoBean = ((WrapDynaBean)dynaBean).getInstance();
        assertNotNull("3. POJO Not Created", pojoBean);
        assertEquals("4. Not WrapDynaBean", testClass, pojoBean.getClass());

        // Test toArray() creates correct Array - First
        Object array = list.toArray();
        assertNotNull("5. Array Not Created", array);
        assertEquals("6. Wrong array", testClass, array.getClass().getComponentType());
        Object[] pojoArray = (Object[])array;
        assertEquals("7. Array Size Wrong", 1, pojoArray.length);

        // Test get(index) created correct DynaBean - Second
        dynaBean = list.get(1);
        assertNotNull("8. DynaBean Not Created", dynaBean);
        assertEquals("9. Not WrapDynaBean", WrapDynaBean.class, dynaBean.getClass());

        // Test get(index) created correct POJO - Second
        pojoBean = ((WrapDynaBean)dynaBean).getInstance();
        assertNotNull("10. POJO Not Created", pojoBean);
        assertEquals("11. Not WrapDynaBean", testClass, pojoBean.getClass());

        // Test toArray() creates correct Array - Second
        array = list.toArray();
        assertNotNull("12. Array Not Created", array);
        assertEquals("13. Wrong array", testClass, array.getClass().getComponentType());
        pojoArray = (Object[])array;
        assertEquals("14. Array Size Wrong", 2, pojoArray.length);

        // Test fail if different type added
        try {
            list.add(2, wrongBean);
            fail("Expected IllegalArgumentException");
        } catch(IllegalArgumentException ignore) {
            // expected result
        }

    }

    /**
     * Test DynaBean serialization.
     */
    public void testSerializationDynaBean() {

        // Create LazyArrayList for DynaBeans
        LazyDynaList target = new LazyDynaList(basicDynaClass);
        BasicDynaBean bean = (BasicDynaBean)target.get(0);

        // Set a Property
        assertNull("pre-set check", bean.get(BASIC_PROP1));
        bean.set(BASIC_PROP1, "value1");
        assertEquals("post-set check", "value1", bean.get(BASIC_PROP1));

        // Serialize/Deserialize
        LazyDynaList result = (LazyDynaList)serializeDeserialize(target, "DynaBean");
        target = null;
        bean = null;

        // Confirm property value
        bean = (BasicDynaBean)result.get(0);
        assertEquals("post-serialize check", "value1", bean.get(BASIC_PROP1));

    }

    /**
     * Test DynaBean serialization.
     */
    public void testSerializationLazyDynaBean() {

        // Create LazyArrayList for DynaBeans
        LazyDynaList target = new LazyDynaList();
        LazyDynaBean bean = (LazyDynaBean)target.get(0);

        // Set a Property
        assertNull("pre-set check", bean.get(BASIC_PROP1));
        bean.set(BASIC_PROP1, "value1");
        assertEquals("post-set check", "value1", bean.get(BASIC_PROP1));

        // Serialize/Deserialize
        LazyDynaList result = (LazyDynaList)serializeDeserialize(target, "DynaBean");
        target = null;
        bean = null;

        // Confirm property value
        bean = (LazyDynaBean)result.get(0);
        assertEquals("post-serialize check", "value1", bean.get(BASIC_PROP1));

    }

    /**
     * Test Map serialization.
     */
    public void testSerializationMap() {

        // Create LazyArrayList for DynaBeans
        LazyDynaList target = new LazyDynaList(treeMapDynaClass);
        LazyDynaMap bean = (LazyDynaMap)target.get(0);

        // Set a Property
        assertNull("pre-set check", bean.get(BASIC_PROP1));
        bean.set(BASIC_PROP1, "value1");
        assertEquals("post-set check", "value1", bean.get(BASIC_PROP1));

        // Serialize/Deserialize
        LazyDynaList result = (LazyDynaList)serializeDeserialize(target, "Map");
        target = null;
        bean = null;

        // Confirm property value
        bean = (LazyDynaMap)result.get(0);
        assertEquals("post-serialize check", "value1", bean.get(BASIC_PROP1));

    }

    /**
     * Test POJO (WrapDynaBean) serialization.
     */
    public void testSerializationPojo() {

        // Create LazyArrayList for DynaBeans
        LazyDynaList target = new LazyDynaList(pojoDynaClass);
        WrapDynaBean bean = (WrapDynaBean)target.get(0);

        // Set a Property
        assertEquals("pre-set check", "This is a string", bean.get("stringProperty"));
        bean.set("stringProperty", "value1");
        assertEquals("post-set check", "value1", bean.get("stringProperty"));

        // Serialize/Deserialize
        LazyDynaList result = (LazyDynaList)serializeDeserialize(target, "POJO");
        target = null;
        bean = null;

        // Confirm property value
        bean = (WrapDynaBean)result.get(0);
        assertEquals("post-serialize check", "value1", bean.get("stringProperty"));

    }

    /**
     * Do serialization and deserialization.
     */
    private Object serializeDeserialize(Object target, String text) {

        // Serialize the test object
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        try {
            ObjectOutputStream oos = new ObjectOutputStream(baos);
            oos.writeObject(target);
            oos.flush();
            oos.close();
        } catch (Exception e) {
            fail(text + ": Exception during serialization: " + e);
        }

        // Deserialize the test object
        Object result = null;
        try {
            ByteArrayInputStream bais =
                new ByteArrayInputStream(baos.toByteArray());
            ObjectInputStream ois = new ObjectInputStream(bais);
            result = ois.readObject();
            bais.close();
        } catch (Exception e) {
            fail(text + ": Exception during deserialization: " + e);
        }
        return result;

    }

}