xworkconvertertest.java

在Struts2中的jar包xwork的源代码.版本为2.0.7

        context.put(ActionContext.LOCALE, Locale.US);
        assertEquals(OgnlRuntime.NoConversionPossible, converter.convertValue(context, null, null, null, "123.12", Integer.class));
        assertEquals(OgnlRuntime.NoConversionPossible, converter.convertValue(context, null, null, null, "123aa", Integer.class));
        assertEquals(OgnlRuntime.NoConversionPossible, converter.convertValue(context, null, null, null, "aa123", Integer.class));
        assertEquals(new Integer(1234), converter.convertValue(context, null, null, null, "1,234", Integer.class));
        // WRONG: locale separator is wrongly placed
        assertEquals(new Integer(123), converter.convertValue(context, null, null, null, "1,23", Integer.class));
        assertEquals(OgnlRuntime.NoConversionPossible, converter.convertValue(context, null, null, null, "1,234.12", Integer.class));
        assertEquals(OgnlRuntime.NoConversionPossible, converter.convertValue(context, null, null, null, "1.234", Integer.class));
        assertEquals(OgnlRuntime.NoConversionPossible, converter.convertValue(context, null, null, null, "1.234,12", Integer.class));

        context.put(ActionContext.LOCALE, Locale.GERMANY);
        // WRONG: locale separator is wrongly placed
        assertEquals(new Integer(12312), converter.convertValue(context, null, null, null, "123.12", Integer.class));
        assertEquals(new Integer(1234), converter.convertValue(context, null, null, null, "1.234", Integer.class));
        assertEquals(OgnlRuntime.NoConversionPossible, converter.convertValue(context, null, null, null, "123aa", Integer.class));
        assertEquals(OgnlRuntime.NoConversionPossible, converter.convertValue(context, null, null, null, "aa123", Integer.class));
        assertEquals(OgnlRuntime.NoConversionPossible, converter.convertValue(context, null, null, null, "1,234", Integer.class));
        assertEquals(OgnlRuntime.NoConversionPossible, converter.convertValue(context, null, null, null, "1,234.12", Integer.class));
        assertEquals(OgnlRuntime.NoConversionPossible, converter.convertValue(context, null, null, null, "1,23", Integer.class));
        assertEquals(OgnlRuntime.NoConversionPossible, converter.convertValue(context, null, null, null, "1.234,12", Integer.class));
    }

    public void testStringToPrimitiveDouble() {
        assertEquals(new Double(123), converter.convertValue(context, null, null, null, "123", double.class));
        context.put(ActionContext.LOCALE, Locale.US);
        assertEquals(new Double(123.12), converter.convertValue(context, null, null, null, "123.12", double.class));
        assertEquals(OgnlRuntime.NoConversionPossible, converter.convertValue(context, null, null, null, "123aa", double.class));
        assertEquals(OgnlRuntime.NoConversionPossible, converter.convertValue(context, null, null, null, "aa123", double.class));
        assertEquals(OgnlRuntime.NoConversionPossible, converter.convertValue(context, null, null, null, "1,234", double.class));
        assertEquals(OgnlRuntime.NoConversionPossible, converter.convertValue(context, null, null, null, "1,234.12", double.class));
        assertEquals(OgnlRuntime.NoConversionPossible, converter.convertValue(context, null, null, null, "1,23", double.class));
        assertEquals(new Double(1.234), converter.convertValue(context, null, null, null, "1.234", double.class));
        assertEquals(OgnlRuntime.NoConversionPossible, converter.convertValue(context, null, null, null, "1.234,12", double.class));

        context.put(ActionContext.LOCALE, Locale.GERMANY);
        assertEquals(new Double(123.12), converter.convertValue(context, null, null, null, "123.12", double.class));
        assertEquals(OgnlRuntime.NoConversionPossible, converter.convertValue(context, null, null, null, "123aa", double.class));
        assertEquals(OgnlRuntime.NoConversionPossible, converter.convertValue(context, null, null, null, "aa123", double.class));
        assertEquals(OgnlRuntime.NoConversionPossible, converter.convertValue(context, null, null, null, "1,234", double.class));
        assertEquals(OgnlRuntime.NoConversionPossible, converter.convertValue(context, null, null, null, "1,234.12", double.class));
        assertEquals(OgnlRuntime.NoConversionPossible, converter.convertValue(context, null, null, null, "1,23", double.class));
        assertEquals(new Double(1.234), converter.convertValue(context, null, null, null, "1.234", double.class));
        assertEquals(OgnlRuntime.NoConversionPossible, converter.convertValue(context, null, null, null, "1.234,12", double.class));
    }

    public void testStringToDouble() {
        assertEquals(new Double(123), converter.convertValue(context, null, null, null, "123", Double.class));
        context.put(ActionContext.LOCALE, Locale.US);
        assertEquals(new Double(123.12), converter.convertValue(context, null, null, null, "123.12", Double.class));
        assertEquals(OgnlRuntime.NoConversionPossible, converter.convertValue(context, null, null, null, "123aa", Double.class));
        assertEquals(OgnlRuntime.NoConversionPossible, converter.convertValue(context, null, null, null, "aa123", Double.class));
        assertEquals(new Double(1234), converter.convertValue(context, null, null, null, "1,234", Double.class));
        assertEquals(new Double(1234.12), converter.convertValue(context, null, null, null, "1,234.12", Double.class));
        // WRONG: locale separator is wrongly placed 
        assertEquals(new Double(123), converter.convertValue(context, null, null, null, "1,23", Double.class));
        assertEquals(new Double(1.234), converter.convertValue(context, null, null, null, "1.234", Double.class));
        assertEquals(OgnlRuntime.NoConversionPossible, converter.convertValue(context, null, null, null, "1.234,12", Double.class));

        context.put(ActionContext.LOCALE, Locale.GERMANY);
        // WRONG: locale separator is wrongly placed
        assertEquals(new Double(12312), converter.convertValue(context, null, null, null, "123.12", Double.class));
        assertEquals(OgnlRuntime.NoConversionPossible, converter.convertValue(context, null, null, null, "123aa", Double.class));
        assertEquals(OgnlRuntime.NoConversionPossible, converter.convertValue(context, null, null, null, "aa123", Double.class));
        assertEquals(new Double(1.234), converter.convertValue(context, null, null, null, "1,234", Double.class));
        assertEquals(OgnlRuntime.NoConversionPossible, converter.convertValue(context, null, null, null, "1,234.12", Double.class));
        assertEquals(new Double(1.23), converter.convertValue(context, null, null, null, "1,23", Double.class));
        assertEquals(new Double(1234), converter.convertValue(context, null, null, null, "1.234", Double.class));
        assertEquals(new Double(1234.12), converter.convertValue(context, null, null, null, "1.234,12", Double.class));

    }

    // Testing for null result on non-primitive Number types supplied as empty String or 
    public void testNotPrimitiveDefaultsToNull() {
        assertEquals(null, converter.convertValue(context, null, null, null, null, Double.class));
        assertEquals(null, converter.convertValue(context, null, null, null, "", Double.class));

        assertEquals(null, converter.convertValue(context, null, null, null, null, Integer.class));
        assertEquals(null, converter.convertValue(context, null, null, null, "", Integer.class));

        assertEquals(null, converter.convertValue(context, null, null, null, null, Float.class));
        assertEquals(null, converter.convertValue(context, null, null, null, "", Float.class));

        assertEquals(null, converter.convertValue(context, null, null, null, null, Character.class));
        assertEquals(null, converter.convertValue(context, null, null, null, "", Character.class));

        assertEquals(null, converter.convertValue(context, null, null, null, null, Long.class));
        assertEquals(null, converter.convertValue(context, null, null, null, "", Long.class));

        assertEquals(null, converter.convertValue(context, null, null, null, null, Short.class));
        assertEquals(null, converter.convertValue(context, null, null, null, "", Short.class));

    }

    public void testConvertChar() {
        assertEquals(new Character('A'), converter.convertValue(context, "A", char.class));
        assertEquals(new Character('Z'), converter.convertValue(context, "Z", char.class));
        assertEquals(new Character('A'), converter.convertValue(context, "A", Character.class));
        assertEquals(new Character('Z'), converter.convertValue(context, "Z", Character.class));

        assertEquals(new Character('A'), converter.convertValue(context, new Character('A'), char.class));
        assertEquals(new Character('Z'), converter.convertValue(context, new Character('Z'), char.class));
        assertEquals(new Character('A'), converter.convertValue(context, new Character('A'), Character.class));
        assertEquals(new Character('Z'), converter.convertValue(context, new Character('Z'), Character.class));

        assertEquals(new Character('D'), converter.convertValue(context, "DEF", char.class));
        assertEquals(new Character('X'), converter.convertValue(context, "XYZ", Character.class));
        assertEquals(new Character(' '), converter.convertValue(context, " ", Character.class));
        assertEquals(new Character(' '), converter.convertValue(context, "   ", char.class));

        assertEquals(null, converter.convertValue(context, "", char.class));
    }

    public void testConvertClass() {
        Class clazz = (Class) converter.convertValue(context, "java.util.Date", Class.class);
        assertEquals(Date.class.getName(), clazz.getName());

        Class clazz2 = (Class) converter.convertValue(context, "com.opensymphony.xwork2.util.Bar", Class.class);
        assertEquals(Bar.class.getName(), clazz2.getName());

        assertEquals(OgnlRuntime.NoConversionPossible, converter.convertValue(context, "com.opensymphony.xwork2.util.IDoNotExist", Class.class));

        assertEquals(OgnlRuntime.NoConversionPossible, converter.convertValue(context, new Bar(), Class.class)); // only supports string values
    }

    public void testConvertBoolean() {
        assertEquals(Boolean.TRUE, converter.convertValue(context, "true", Boolean.class));
        assertEquals(Boolean.FALSE, converter.convertValue(context, "false", Boolean.class));

        assertEquals(Boolean.TRUE, converter.convertValue(context, Boolean.TRUE, Boolean.class));
        assertEquals(Boolean.FALSE, converter.convertValue(context, Boolean.FALSE, Boolean.class));

        assertEquals(null, converter.convertValue(context, null, Boolean.class));
        assertEquals(Boolean.TRUE, converter.convertValue(context, new Bar(), Boolean.class)); // Ognl converter will default to true
    }

    public void testConvertPrimitiveArraysToString() {
        assertEquals("2, 3, 1", converter.convertValue(context, new int[]{2, 3, 1}, String.class));
        assertEquals("100, 200, 300", converter.convertValue(context, new long[]{100, 200, 300}, String.class));
        assertEquals("1.5, 2.5, 3.5", converter.convertValue(context, new double[]{1.5, 2.5, 3.5}, String.class));
        assertEquals("true, false, true", converter.convertValue(context, new boolean[]{true, false, true}, String.class));
    }

    public void testConvertSameCollectionToCollection() {
        Collection names = new ArrayList();
        names.add("XWork");
        names.add("Struts");

        Collection col = (Collection) converter.convertValue(context, names, Collection.class);
        assertSame(names, col);
    }

    public void testConvertSqlTimestamp() {
        assertNotNull(converter.convertValue(context, new Timestamp(new Date().getTime()), String.class));
        assertNotNull(converter.convertValue(null, new Timestamp(new Date().getTime()), String.class));
    }

    public void testValueStackWithTypeParameter() {
        ValueStack stack = ValueStackFactory.getFactory().createValueStack();
        stack.push(new Foo1());
        Bar1 bar = (Bar1) stack.findValue("bar", Bar1.class);
        assertNotNull(bar);
    }

    public void testNestedConverters() {
        OgnlValueStack stack = new OgnlValueStack();
        Cat cat = new Cat();
        cat.setFoo(new Foo());
        stack.push(cat);
        stack.setValue("foo.number", "123");
        assertEquals(321, cat.getFoo().getNumber());
    }

    public static class Foo1 {
        public Bar1 getBar() {
            return new Bar1Impl();
        }
    }

    public interface Bar1 {
    }

    public static class Bar1Impl implements Bar1 {
    }

    protected void setUp() throws Exception {
        ObjectFactory.setObjectFactory(new ObjectFactory());

        configurationManager = new ConfigurationManager();
        converter = XWorkConverter.getInstance();
        configurationManager.destroyConfiguration();

        ValueStack stack = ValueStackFactory.getFactory().createValueStack();
        ActionContext ac = new ActionContext(stack.getContext());
        ac.setLocale(Locale.US);
        ActionContext.setContext(ac);
        context = ac.getContextMap();
    }

    protected void tearDown() throws Exception {
        XWorkConverter.resetInstance();
        ActionContext.setContext(null);
    }
}