propertyutilstestcase.java

APACHE 公司出的java bean 工具包

     * Test getNestedProperty on a boolean property.
     */
    public void testGetNestedBoolean() {

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

    }


    /**
     * Test getNestedProperty on a double property.
     */
    public void testGetNestedDouble() {

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

    }


    /**
     * Test getNestedProperty on a float property.
     */
    public void testGetNestedFloat() {

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

    }


    /**
     * Test getNestedProperty on an int property.
     */
    public void testGetNestedInt() {

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

    }


    /**
     * Test getNestedProperty on a long property.
     */
    public void testGetNestedLong() {

        try {
            Object value =
                    PropertyUtils.getNestedProperty
                    (bean, "nested.longProperty");
            assertNotNull("Got a value", value);
            assertTrue("Got correct type", (value instanceof Long));
            assertEquals("Got correct value",
                    ((Long) value).longValue(),
                    bean.getNested().getLongProperty());
        } catch (IllegalAccessException e) {
            fail("IllegalAccessException");
        } catch (IllegalArgumentException e) {
            fail("IllegalArgumentException");
        } catch (InvocationTargetException e) {
            fail("InvocationTargetException");
        } catch (NoSuchMethodException e) {
            fail("NoSuchMethodException");
        }

    }


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

        try {
            Object value =
                    PropertyUtils.getNestedProperty
                    (bean, "nested.readOnlyProperty");
            assertNotNull("Got a value", value);
            assertTrue("Got correct type", (value instanceof String));
            assertEquals("Got correct value",
                    (String) value,
                    bean.getReadOnlyProperty());
        } catch (IllegalAccessException e) {
            fail("IllegalAccessException");
        } catch (IllegalArgumentException e) {
            fail("IllegalArgumentException");
        } catch (InvocationTargetException e) {
            fail("InvocationTargetException");
        } catch (NoSuchMethodException e) {
            fail("NoSuchMethodException");
        }

    }


    /**
     * Test getNestedProperty on a short property.
     */
    public void testGetNestedShort() {

        try {
            Object value =
                    PropertyUtils.getNestedProperty
                    (bean, "nested.shortProperty");
            assertNotNull("Got a value", value);
            assertTrue("Got correct type", (value instanceof Short));
            assertEquals("Got correct value",
                    ((Short) value).shortValue(),
                    bean.getNested().getShortProperty());
        } catch (IllegalAccessException e) {
            fail("IllegalAccessException");
        } catch (IllegalArgumentException e) {
            fail("IllegalArgumentException");
        } catch (InvocationTargetException e) {
            fail("InvocationTargetException");
        } catch (NoSuchMethodException e) {
            fail("NoSuchMethodException");
        }

    }


    /**
     * Test getNestedProperty on a String property.
     */
    public void testGetNestedString() {

        try {
            Object value =
                    PropertyUtils.getNestedProperty
                    (bean, "nested.stringProperty");
            assertNotNull("Got a value", value);
            assertTrue("Got correct type", (value instanceof String));
            assertEquals("Got correct value",
                    ((String) value),
                    bean.getNested().getStringProperty());
        } catch (IllegalAccessException e) {
            fail("IllegalAccessException");
        } catch (IllegalArgumentException e) {
            fail("IllegalArgumentException");
        } catch (InvocationTargetException e) {
            fail("InvocationTargetException");
        } catch (NoSuchMethodException e) {
            fail("NoSuchMethodException");
        }

    }


    /**
     * Negative test getNestedProperty on an unknown property.
     */
    public void testGetNestedUnknown() {

        try {
            PropertyUtils.getNestedProperty(bean, "nested.unknown");
            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
        }

    }

    /** 
     * When a bean has a null property which is reference by the standard access language,
     * this should throw a NestedNullException.
     */
    public void testThrowNestedNull() throws Exception {
        NestedTestBean nestedBean = new NestedTestBean("base");
        // don't init!
        
        try {
            NestedTestBean value = (NestedTestBean) PropertyUtils.getProperty(
                                nestedBean,
                                "simpleBeanProperty.indexedProperty[0]");
            fail("NestedNullException not thrown");
        } catch (NestedNullException e) {
            // that's what we wanted!
        }
    }

    /**
     * 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");
            a