propertyutilstestcase.java

apache beanutils开源项目源码

    /**
     * Test getNestedProperty on a write-only String property.
     */
    public void testGetNestedWriteOnly() {

        try {
            PropertyUtils.getNestedProperty(bean, "writeOnlyProperty");
            fail("Should have thrown NoSuchMethodException");
        } catch (IllegalAccessException e) {
            fail("IllegalAccessException");
        } catch (IllegalArgumentException e) {
            fail("IllegalArgumentException");
        } catch (InvocationTargetException e) {
            fail("InvocationTargetException");
        } catch (NoSuchMethodException e) {
            ; // Correct result for this test
        }

    }


    /**
     * Test getPropertyType() on all kinds of properties.
     */
    public void testGetPropertyType() {

        Class clazz = null;
        int intArray[] = new int[0];
        String stringArray[] = new String[0];

        try {

            // Scalar and Indexed Properties
            clazz = PropertyUtils.getPropertyType(bean, "booleanProperty");
            assertEquals("booleanProperty type", Boolean.TYPE, clazz);
            clazz = PropertyUtils.getPropertyType(bean, "booleanSecond");
            assertEquals("booleanSecond type", Boolean.TYPE, clazz);
            clazz = PropertyUtils.getPropertyType(bean, "doubleProperty");
            assertEquals("doubleProperty type", Double.TYPE, clazz);
            clazz = PropertyUtils.getPropertyType(bean, "dupProperty");
            assertEquals("dupProperty type", String.class, clazz);
            clazz = PropertyUtils.getPropertyType(bean, "floatProperty");
            assertEquals("floatProperty type", Float.TYPE, clazz);
            clazz = PropertyUtils.getPropertyType(bean, "intArray");
            assertEquals("intArray type", intArray.getClass(), clazz);
            clazz = PropertyUtils.getPropertyType(bean, "intIndexed");
            assertEquals("intIndexed type", Integer.TYPE, clazz);
            clazz = PropertyUtils.getPropertyType(bean, "intProperty");
            assertEquals("intProperty type", Integer.TYPE, clazz);
            clazz = PropertyUtils.getPropertyType(bean, "listIndexed");
            assertEquals("listIndexed type", List.class, clazz);
            clazz = PropertyUtils.getPropertyType(bean, "longProperty");
            assertEquals("longProperty type", Long.TYPE, clazz);
            clazz = PropertyUtils.getPropertyType(bean, "mappedProperty");
            assertEquals("mappedProperty type", String.class, clazz);
            clazz = PropertyUtils.getPropertyType(bean, "mappedIntProperty");
            assertEquals("mappedIntProperty type", Integer.TYPE, clazz);
            clazz = PropertyUtils.getPropertyType(bean, "readOnlyProperty");
            assertEquals("readOnlyProperty type", String.class, clazz);
            clazz = PropertyUtils.getPropertyType(bean, "shortProperty");
            assertEquals("shortProperty type", Short.TYPE, clazz);
            clazz = PropertyUtils.getPropertyType(bean, "stringArray");
            assertEquals("stringArray type", stringArray.getClass(), clazz);
            clazz = PropertyUtils.getPropertyType(bean, "stringIndexed");
            assertEquals("stringIndexed type", String.class, clazz);
            clazz = PropertyUtils.getPropertyType(bean, "stringProperty");
            assertEquals("stringProperty type", String.class, clazz);
            clazz = PropertyUtils.getPropertyType(bean, "writeOnlyProperty");
            assertEquals("writeOnlyProperty type", String.class, clazz);

            // Nested Properties
            clazz = PropertyUtils.getPropertyType(bean, "nested.booleanProperty");
            assertEquals("booleanProperty type", Boolean.TYPE, clazz);
            clazz = PropertyUtils.getPropertyType(bean, "nested.booleanSecond");
            assertEquals("booleanSecond type", Boolean.TYPE, clazz);
            clazz = PropertyUtils.getPropertyType(bean, "nested.doubleProperty");
            assertEquals("doubleProperty type", Double.TYPE, clazz);
            clazz = PropertyUtils.getPropertyType(bean, "nested.dupProperty");
            assertEquals("dupProperty type", String.class, clazz);
            clazz = PropertyUtils.getPropertyType(bean, "nested.floatProperty");
            assertEquals("floatProperty type", Float.TYPE, clazz);
            clazz = PropertyUtils.getPropertyType(bean, "nested.intArray");
            assertEquals("intArray type", intArray.getClass(), clazz);
            clazz = PropertyUtils.getPropertyType(bean, "nested.intIndexed");
            assertEquals("intIndexed type", Integer.TYPE, clazz);
            clazz = PropertyUtils.getPropertyType(bean, "nested.intProperty");
            assertEquals("intProperty type", Integer.TYPE, clazz);
            clazz = PropertyUtils.getPropertyType(bean, "nested.listIndexed");
            assertEquals("listIndexed type", List.class, clazz);
            clazz = PropertyUtils.getPropertyType(bean, "nested.longProperty");
            assertEquals("longProperty type", Long.TYPE, clazz);
            clazz = PropertyUtils.getPropertyType(bean, "nested.mappedProperty");
            assertEquals("mappedProperty type", String.class, clazz);
            clazz = PropertyUtils.getPropertyType(bean, "nested.mappedIntProperty");
            assertEquals("mappedIntProperty type", Integer.TYPE, clazz);
            clazz = PropertyUtils.getPropertyType(bean, "nested.readOnlyProperty");
            assertEquals("readOnlyProperty type", String.class, clazz);
            clazz = PropertyUtils.getPropertyType(bean, "nested.shortProperty");
            assertEquals("shortProperty type", Short.TYPE, clazz);
            clazz = PropertyUtils.getPropertyType(bean, "nested.stringArray");
            assertEquals("stringArray type", stringArray.getClass(), clazz);
            clazz = PropertyUtils.getPropertyType(bean, "nested.stringIndexed");
            assertEquals("stringIndexed type", String.class, clazz);
            clazz = PropertyUtils.getPropertyType(bean, "nested.stringProperty");
            assertEquals("stringProperty type", String.class, clazz);
            clazz = PropertyUtils.getPropertyType(bean, "nested.writeOnlyProperty");
            assertEquals("writeOnlyProperty type", String.class, clazz);

        } catch (Exception e) {
            fail("Exception: " + e.getMessage());
        }

    }


    /**
     * Test getting accessible property reader methods for a specified
     * list of properties of our standard test bean.
     */
    public void testGetReadMethodBasic() {

        testGetReadMethod(bean, properties, TEST_BEAN_CLASS);

    }


    /**
     * Test getting accessible property reader methods for a specified
     * list of properties of a package private subclass of our standard
     * test bean.
     */
    public void testGetReadMethodPackageSubclass() {

        testGetReadMethod(beanPackageSubclass, properties, TEST_BEAN_CLASS);

    }


    /**
     * Test getting accessible property reader methods for a specified
     * list of properties that are declared either directly or via
     * implemented interfaces.
     */
    public void testGetReadMethodPublicInterface() {

        // Properties "bar" and "baz" are visible via implemented interfaces
        // (one direct and one indirect)
        testGetReadMethod(beanPrivate,
                new String[]{ "bar" },
                PRIVATE_DIRECT_CLASS);
        testGetReadMethod(beanPrivate,
                new String[]{ "baz" },
                PRIVATE_INDIRECT_CLASS);

        // Properties "bar" and "baz" are visible via implemented interfaces
        // (one direct and one indirect).  The interface is implemented in
        // a superclass
        testGetReadMethod(beanPrivateSubclass,
                new String[]{ "bar" },
                PRIVATE_DIRECT_CLASS);
        testGetReadMethod(beanPrivateSubclass,
                new String[]{ "baz" },
                PRIVATE_INDIRECT_CLASS);

        // Property "foo" is not accessible because the underlying
        // class has package scope
        PropertyDescriptor pd[] =
                PropertyUtils.getPropertyDescriptors(beanPrivate);
        int n = -1;
        for (int i = 0; i < pd.length; i++) {
            if ("foo".equals(pd[i].getName())) {
                n = i;
                break;
            }
        }
        assertTrue("Found foo descriptor", n >= 0);
        Method reader = pd[n].getReadMethod();
        assertNotNull("Found foo read method", reader);
        Object value = null;
        try {
            value = reader.invoke(beanPrivate, new Class[0]);
            fail("Foo reader did throw IllegalAccessException");
        } catch (IllegalAccessException e) {
            ; // Expected result for this test
        } catch (Throwable t) {
            fail("Invoke foo reader: " + t);
        }

    }


    /**
     * Test getting accessible property reader methods for a specified
     * list of properties of a public subclass of our standard test bean.
     */
    public void testGetReadMethodPublicSubclass() {

        testGetReadMethod(beanPublicSubclass, properties, TEST_BEAN_CLASS);

    }


    /**
     * Corner cases on getSimpleProperty invalid arguments.
     */
    public void testGetSimpleArguments() {

        try {
            PropertyUtils.getSimpleProperty(null, "stringProperty");
            fail("Should throw IllegalArgumentException 1");
        } catch (IllegalArgumentException e) {
            ; // Expected response
        } catch (Throwable t) {
            fail("Threw " + t + " instead of IllegalArgumentException 1");
        }

        try {
            PropertyUtils.getSimpleProperty(bean, null);
            fail("Should throw IllegalArgumentException 2");
        } catch (IllegalArgumentException e) {
            ; // Expected response
        } catch (Throwable t) {
            fail("Threw " + t + " instead of IllegalArgumentException 2");
        }

    }


    /**
     * Test getSimpleProperty on a boolean property.
     */
    public void testGetSimpleBoolean() {

        try {
            Object value =
                    PropertyUtils.getSimpleProperty(bean,
                            "booleanProperty");
            assertNotNull("Got a value", value);
            assertTrue("Got correct type", (value instanceof Boolean));
            assertTrue("Got correct value",
                    ((Boolean) value).booleanValue() ==
                    bean.getBooleanProperty());
        } catch (IllegalAccessException e) {
            fail("IllegalAccessException");
        } catch (IllegalArgumentException e) {
            fail("IllegalArgumentException");
        } catch (InvocationTargetException e) {
            fail("InvocationTargetException");
        } catch (NoSuchMethodException e) {
            fail("NoSuchMethodException");
        }

    }


    /**
     * Test getSimpleProperty on a double property.
     */
    public void testGetSimpleDouble() {

        try {
            Object value =
                    PropertyUtils.getSimpleProperty(bean,
                            "doubleProperty");
            assertNotNull("Got a value", value);
            assertTrue("Got correct type", (value instanceof Double));
            assertEquals("Got correct value",
                    ((Double) value).doubleValue(),
                    bean.getDoubleProperty(),
                    (double) 0.005);
        } catch (IllegalAccessException e) {
            fail("IllegalAccessException");
        } catch (IllegalArgumentException e) {
            fail("IllegalArgumentException");
        } catch (InvocationTargetException e) {
            fail("InvocationTargetException");
        } catch (NoSuchMethodException e) {
            fail("NoSuchMethodException");
        }

    }


    /**
     * Test getSimpleProperty on a float property.
     */
    public void testGetSimpleFloat() {

        try {
            Object value =
                    PropertyUtils.getSimpleProperty(bean,
                            "floatProperty");
            assertNotNull("Got a value", value);
            assertTrue("Got correct type", (value instanceof Float));
            assertEquals("Got correct value",
                    ((Float) value).floatValue(),
                    bean.getFloatProperty(),
                    (float) 0.005);
        } catch (IllegalAccessException e) {
            fail("IllegalAccessException");
        } catch (IllegalArgumentException e) {
            fail("IllegalArgumentException");
        } catch (InvocationTargetException e) {
            fail("InvocationTargetException");
        } catch (NoSuchMethodException e) {
            fail("NoSuchMethodException");
        }

    }


    /**
     * Negative test getSimpleProperty on an indexed property.
     */
    public void testGetSimpleIndexed() {

        Object value = null;
        try {
            value = PropertyUtils.getSimpleProperty(bean,
                    "intIndexed[0]");
            fail("Should have thrown IllegalArgumentException");
        } catch (IllegalAccessException e) {
            fail("IllegalAccessException");
        } catch (IllegalArgumentException e) {
            ; // Correct result for this test
        } catch (InvocationTargetException e) {
            fail("InvocationTargetException");
        } catch (NoSuchMethodException e) {
            fail("NoSuchMethodException");
        }

    }


    /**
     * Test getSimpleProperty on an int property.
     */
    public void testGetSimpleInt() {

        try {
            Object value =
                    PropertyUtils.getSimpleProperty(bean,
                            "intProperty");
            assertNotNull("Got a value", value);
            assertTrue("Got correct type", (value instanceof Integer));
            assertEquals("Got correct value",
                    ((Integer) value).intValue(),
                    bean.getIntProperty());
        } catch (IllegalAccessException e) {
            fail("IllegalAccessException");
        } catch (IllegalArgumentException e) {
            fail("IllegalArgumentException");
        } catch (InvocationTargetException e) {
            fail("InvocationTargetException");
        } catch (NoSuchMethodException e) {
            fail("NoSuchMethodException");
        }

    }


    /**
     * Test getSimpleProperty on a long property.
     */
    public void testGetSimpleLong() {

        try {
            Object value =
                    PropertyUtils.getSimpleProperty(bean,
                            "longProperty");
            assertNotNull("Got a value", value);
            assertTrue("Got correct type", (value instanceof Long));
            assertEquals("Got correct value",
                    ((Long) value).longValue(),
                    bean.getLongProperty());
        } catch (IllegalAccessException e) {
            fail("IllegalAccessException");
        } catc