dynabeanutilstestcase.java

来自「这是一个有关common beanutils 的源码」· Java 代码 · 共 1,267 行 · 第 1/4 页

     *  tests getting a nested property
     */
    public void testGetNestedProperty() {
        try {
            String val = BeanUtils.getNestedProperty(bean, "nested.stringProperty");
            String comp = nested.getStringProperty();
            assertTrue("nested.StringProperty == " + comp,
                    val.equals(comp));
        } catch (IllegalAccessException e) {
            fail("IllegalAccessException");
        } catch (InvocationTargetException e) {
            fail("InvocationTargetException");
        } catch (NoSuchMethodException e) {
            fail("NoSuchMethodException");
        }
    }


    /**
     *  tests getting a 'whatever' property
     */
    public void testGetGeneralProperty() {
        try {
            String val = BeanUtils.getProperty(bean, "nested.intIndexed[2]");
            String comp = String.valueOf(bean.get("intIndexed", 2));

            assertTrue("nested.intIndexed[2] == " + comp,
                    val.equals(comp));
        } catch (IllegalAccessException e) {
            fail("IllegalAccessException");
        } catch (InvocationTargetException e) {
            fail("InvocationTargetException");
        } catch (NoSuchMethodException e) {
            fail("NoSuchMethodException");
        }
    }


    /**
     *  tests getting a 'whatever' property
     */
    public void testGetSimpleProperty() {
        try {
            String val = BeanUtils.getSimpleProperty(bean, "shortProperty");
            String comp = String.valueOf(bean.get("shortProperty"));

            assertTrue("shortProperty == " + comp,
                    val.equals(comp));
        } catch (IllegalAccessException e) {
            fail("IllegalAccessException");
        } catch (InvocationTargetException e) {
            fail("InvocationTargetException");
        } catch (NoSuchMethodException e) {
            fail("NoSuchMethodException");
        }
    }


    /**
     * Test populate() method on individual array elements.
     */
    public void testPopulateArrayElements() {

        try {

            HashMap map = new HashMap();
            map.put("intIndexed[0]", "100");
            map.put("intIndexed[2]", "120");
            map.put("intIndexed[4]", "140");

            BeanUtils.populate(bean, map);
            Integer intIndexed0 = (Integer) bean.get("intIndexed", 0);
            assertEquals("intIndexed[0] is 100",
                         100, intIndexed0.intValue());
            Integer intIndexed1 = (Integer) bean.get("intIndexed", 1);
            assertEquals("intIndexed[1] is 10",
                         10, intIndexed1.intValue());
            Integer intIndexed2 = (Integer) bean.get("intIndexed", 2);
            assertEquals("intIndexed[2] is 120",
                         120, intIndexed2.intValue());
            Integer intIndexed3 = (Integer) bean.get("intIndexed", 3);
            assertEquals("intIndexed[3] is 30",
                         30, intIndexed3.intValue());
            Integer intIndexed4 = (Integer) bean.get("intIndexed", 4);
            assertEquals("intIndexed[4] is 140",
                         140, intIndexed4.intValue());

            map.clear();
            map.put("stringIndexed[1]", "New String 1");
            map.put("stringIndexed[3]", "New String 3");

            BeanUtils.populate(bean, map);

            assertEquals("stringIndexed[0] is \"String 0\"",
                         "String 0",
                         (String) bean.get("stringIndexed", 0));
            assertEquals("stringIndexed[1] is \"New String 1\"",
                         "New String 1",
                         (String) bean.get("stringIndexed", 1));
            assertEquals("stringIndexed[2] is \"String 2\"",
                         "String 2",
                         (String) bean.get("stringIndexed", 2));
            assertEquals("stringIndexed[3] is \"New String 3\"",
                         "New String 3",
                         (String) bean.get("stringIndexed", 3));
            assertEquals("stringIndexed[4] is \"String 4\"",
                         "String 4",
                         (String) bean.get("stringIndexed", 4));

        } catch (IllegalAccessException e) {
            fail("IllegalAccessException");
        } catch (InvocationTargetException e) {
            fail("InvocationTargetException");
        }

    }


    /**
     * Test populate() on mapped properties.
     */
    public void testPopulateMapped() {

        try {

            HashMap map = new HashMap();
            map.put("mappedProperty(First Key)", "New First Value");
            map.put("mappedProperty(Third Key)", "New Third Value");

            BeanUtils.populate(bean, map);

            assertEquals("mappedProperty(First Key)",
                         "New First Value",
                         (String) bean.get("mappedProperty", "First Key"));
            assertEquals("mappedProperty(Second Key)",
                         "Second Value",
                         (String) bean.get("mappedProperty", "Second Key"));
            assertEquals("mappedProperty(Third Key)",
                         "New Third Value",
                         (String) bean.get("mappedProperty", "Third Key"));
            assertNull("mappedProperty(Fourth Key",
                       bean.get("mappedProperty", "Fourth Key"));

        } catch (IllegalAccessException e) {
            fail("IllegalAccessException");
        } catch (InvocationTargetException e) {
            fail("InvocationTargetException");
        }

    }


    /**
     * Test populate() method on nested properties.
     */
    public void testPopulateNested() {

        try {

            HashMap map = new HashMap();
            map.put("nested.booleanProperty", "false");
            // booleanSecond is left at true
            map.put("nested.doubleProperty", "432.0");
            // floatProperty is left at 123.0
            map.put("nested.intProperty", "543");
            // longProperty is left at 321
            map.put("nested.shortProperty", "654");
            // stringProperty is left at "This is a string"

            BeanUtils.populate(bean, map);

            TestBean nested = (TestBean) bean.get("nested");
            assertTrue("booleanProperty is false",
                       !nested.getBooleanProperty());
            assertTrue("booleanSecond is true",
                       nested.isBooleanSecond());
            assertEquals("doubleProperty is 432.0",
                         432.0,
                         nested.getDoubleProperty(),
                         0.005);
            assertEquals("floatProperty is 123.0",
                         (float) 123.0,
                         nested.getFloatProperty(),
                         (float) 0.005);
            assertEquals("intProperty is 543",
                         543, nested.getIntProperty());
            assertEquals("longProperty is 321",
                         321, nested.getLongProperty());
            assertEquals("shortProperty is 654",
                         (short) 654, nested.getShortProperty());
            assertEquals("stringProperty is \"This is a string\"",
                         "This is a string",
                         nested.getStringProperty());

        } catch (IllegalAccessException e) {
            fail("IllegalAccessException");
        } catch (InvocationTargetException e) {
            fail("InvocationTargetException");
        }

    }


    /**
     * Test populate() method on scalar properties.
     */
    public void testPopulateScalar() {

        try {

            bean.set("nullProperty", "non-null value");

            HashMap map = new HashMap();
            map.put("booleanProperty", "false");
            // booleanSecond is left at true
            map.put("doubleProperty", "432.0");
            // floatProperty is left at 123.0
            map.put("intProperty", "543");
            // longProperty is left at 321
            map.put("nullProperty", null);
            map.put("shortProperty", "654");
            // stringProperty is left at "This is a string"

            BeanUtils.populate(bean, map);

            Boolean booleanProperty = (Boolean) bean.get("booleanProperty");
            assertTrue("booleanProperty is false", !booleanProperty.booleanValue());
            Boolean booleanSecond = (Boolean) bean.get("booleanSecond");
            assertTrue("booleanSecond is true", booleanSecond.booleanValue());
            Double doubleProperty = (Double) bean.get("doubleProperty");
            assertEquals("doubleProperty is 432.0",
                         432.0, doubleProperty.doubleValue(), 0.005);
            Float floatProperty = (Float) bean.get("floatProperty");
            assertEquals("floatProperty is 123.0",
                         (float) 123.0, floatProperty.floatValue(),
                         (float) 0.005);
            Integer intProperty = (Integer) bean.get("intProperty");
            assertEquals("intProperty is 543",
                         543, intProperty.intValue());
            Long longProperty = (Long) bean.get("longProperty");
            assertEquals("longProperty is 321",
                         321, longProperty.longValue());
            assertNull("nullProperty is null", bean.get("nullProperty"));
            Short shortProperty = (Short) bean.get("shortProperty");
            assertEquals("shortProperty is 654",
                         (short) 654, shortProperty.shortValue());
            assertEquals("stringProperty is \"This is a string\"",
                         "This is a string",
                         (String) bean.get("stringProperty"));

        } catch (IllegalAccessException e) {
            fail("IllegalAccessException");
        } catch (InvocationTargetException e) {
            fail("InvocationTargetException");
        }

    }


    /**
     * Test calling setProperty() with null property values.
     */
    public void testSetPropertyNullValues() throws Exception {

        Object oldValue = null;
        Object newValue = null;

        // Scalar value into array
        oldValue = PropertyUtils.getSimpleProperty(bean, "stringArray");
        BeanUtils.setProperty(bean, "stringArray", (String) null);
        newValue = PropertyUtils.getSimpleProperty(bean, "stringArray");
        assertNotNull("stringArray is not null", newValue);
        assertTrue("stringArray of correct type",
                   newValue instanceof String[]);
        assertEquals("stringArray length",
                     1, ((String[]) newValue).length);
        PropertyUtils.setProperty(bean, "stringArray", oldValue);

        // Indexed value into array
        oldValue = PropertyUtils.getSimpleProperty(bean, "stringArray");
        BeanUtils.setProperty(bean, "stringArray[2]", (String) null);
        newValue = PropertyUtils.getSimpleProperty(bean, "stringArray");
        assertNotNull("stringArray is not null", newValue);
        assertTrue("stringArray of correct type",
                   newValue instanceof String[]);
        assertEquals("stringArray length",
                     5, ((String[]) newValue).length);
        assertTrue("stringArray[2] is null",
                   ((String[]) newValue)[2] == null);
        PropertyUtils.setProperty(bean, "stringArray", oldValue);

        // Value into scalar
        BeanUtils.setProperty(bean, "stringProperty", null);
        assertTrue("stringProperty is now null",
                   BeanUtils.getProperty(bean, "stringProperty") == null);

    }


    /**
     * Test converting to and from primitive wrapper types.
     */
    public void testSetPropertyOnPrimitiveWrappers() throws Exception {

        BeanUtils.setProperty(bean,"intProperty", new Integer(1));
        assertEquals(1,((Integer) bean.get("intProperty")).intValue());
        BeanUtils.setProperty(bean,"stringProperty", new Integer(1));
        assertEquals(1, Integer.parseInt((String) bean.get("stringProperty")));

    }


    /**
     * Test setting a null property value.
     */
    public void testSetPropertyNull() throws Exception {