validationtestsuite.java

spring的源代码

		binder.getErrors().rejectValue("touchy", "someCode", "someMessage");

		assertEquals("value", binder.getErrors().getFieldValue("name"));
		assertEquals("prefixvalue", binder.getErrors().getFieldError("name").getRejectedValue());
		assertEquals("prefixvalue", tb.getName());
		assertEquals("value", binder.getErrors().getFieldValue("touchy"));
		assertEquals("prefixvalue", binder.getErrors().getFieldError("touchy").getRejectedValue());
		assertEquals("prefixvalue", tb.getTouchy());
	}


	public void testValidatorNoErrors() {
		TestBean tb = new TestBean();
		tb.setAge(33);
		tb.setName("Rod");
		try {
			tb.setTouchy("Rod");
		}
		catch (Exception e) {
			fail("Should not throw any Exception");
		}
		TestBean tb2 = new TestBean();
		tb2.setAge(34);
		tb.setSpouse(tb2);
		Errors errors = new BindException(tb, "tb");
		Validator testValidator = new TestBeanValidator();
		testValidator.validate(tb, errors);
		errors.setNestedPath("spouse");
		assertEquals("spouse.", errors.getNestedPath());
		Validator spouseValidator = new SpouseValidator();
		spouseValidator.validate(tb.getSpouse(), errors);
		errors.setNestedPath("");
		assertEquals("", errors.getNestedPath());
		assertTrue(!errors.hasErrors());
		assertTrue(!errors.hasGlobalErrors());
		assertTrue(!errors.hasFieldErrors("age"));
		assertTrue(!errors.hasFieldErrors("name"));
	}

	public void testValidatorWithErrors() {
		TestBean tb = new TestBean();
		tb.setSpouse(new TestBean());
		Errors errors = new BindException(tb, "tb");
		Validator testValidator = new TestBeanValidator();
		testValidator.validate(tb, errors);
		errors.setNestedPath("spouse.");
		assertEquals("spouse.", errors.getNestedPath());
		Validator spouseValidator = new SpouseValidator();
		spouseValidator.validate(tb.getSpouse(), errors);
		errors.setNestedPath("");
		assertEquals(6, errors.getErrorCount());
		assertEquals(2, errors.getGlobalErrorCount());
		assertEquals("NAME_TOUCHY_MISMATCH", errors.getGlobalError().getCode());
		assertEquals("NAME_TOUCHY_MISMATCH", ((ObjectError) errors.getGlobalErrors().get(0)).getCode());
		assertEquals("NAME_TOUCHY_MISMATCH.tb", ((ObjectError) errors.getGlobalErrors().get(0)).getCodes()[0]);
		assertEquals("NAME_TOUCHY_MISMATCH", ((ObjectError) errors.getGlobalErrors().get(0)).getCodes()[1]);
		assertEquals("tb", ((ObjectError) errors.getGlobalErrors().get(0)).getObjectName());
		assertEquals("GENERAL_ERROR", ((ObjectError) errors.getGlobalErrors().get(1)).getCode());
		assertEquals("GENERAL_ERROR.tb", ((ObjectError) errors.getGlobalErrors().get(1)).getCodes()[0]);
		assertEquals("GENERAL_ERROR", ((ObjectError) errors.getGlobalErrors().get(1)).getCodes()[1]);
		assertEquals("msg", ((ObjectError) errors.getGlobalErrors().get(1)).getDefaultMessage());
		assertEquals("arg", ((ObjectError) errors.getGlobalErrors().get(1)).getArguments()[0]);
		assertEquals(2, errors.getFieldErrorCount("age"));
		assertEquals("TOO_YOUNG", errors.getFieldError("age").getCode());
		assertEquals("TOO_YOUNG", ((FieldError) errors.getFieldErrors("age").get(0)).getCode());
		assertEquals("tb", ((FieldError) errors.getFieldErrors("age").get(0)).getObjectName());
		assertEquals("age", ((FieldError) errors.getFieldErrors("age").get(0)).getField());
		assertEquals(new Integer(0), ((FieldError) errors.getFieldErrors("age").get(0)).getRejectedValue());
		assertEquals("AGE_NOT_ODD", ((FieldError) errors.getFieldErrors("age").get(1)).getCode());
		assertEquals(1, errors.getFieldErrorCount("name"));
		assertEquals("NOT_ROD", errors.getFieldError("name").getCode());
		assertEquals("NOT_ROD.tb.name", errors.getFieldError("name").getCodes()[0]);
		assertEquals("NOT_ROD.name", errors.getFieldError("name").getCodes()[1]);
		assertEquals("NOT_ROD.java.lang.String", errors.getFieldError("name").getCodes()[2]);
		assertEquals("NOT_ROD", errors.getFieldError("name").getCodes()[3]);
		assertEquals("name", ((FieldError) errors.getFieldErrors("name").get(0)).getField());
		assertEquals(null, ((FieldError) errors.getFieldErrors("name").get(0)).getRejectedValue());
		assertEquals(1, errors.getFieldErrorCount("spouse.age"));
		assertEquals("TOO_YOUNG", errors.getFieldError("spouse.age").getCode());
		assertEquals("tb", ((FieldError) errors.getFieldErrors("spouse.age").get(0)).getObjectName());
		assertEquals(new Integer(0), ((FieldError) errors.getFieldErrors("spouse.age").get(0)).getRejectedValue());
	}

	public void testBindingToIndexedField() {
		IndexedTestBean tb = new IndexedTestBean();
		DataBinder binder = new DataBinder(tb, "tb");
		binder.registerCustomEditor(String.class, "array.name", new PropertyEditorSupport() {
			public void setAsText(String text) throws IllegalArgumentException {
				setValue("array" + text);
			}
		});
		MutablePropertyValues pvs = new MutablePropertyValues();
		pvs.addPropertyValue("array[0]", "a");
		binder.bind(pvs);
		Errors errors = binder.getErrors();
		errors.rejectValue("array[0].name", "NOT_ROD", "are you sure you're not Rod?");
		errors.rejectValue("map[key1].name", "NOT_ROD", "are you sure you're not Rod?");

		assertEquals(1, errors.getFieldErrorCount("array[0].name"));
		assertEquals("NOT_ROD", errors.getFieldError("array[0].name").getCode());
		assertEquals("NOT_ROD.tb.array[0].name", errors.getFieldError("array[0].name").getCodes()[0]);
		assertEquals("NOT_ROD.tb.array.name", errors.getFieldError("array[0].name").getCodes()[1]);
		assertEquals("NOT_ROD.array[0].name", errors.getFieldError("array[0].name").getCodes()[2]);
		assertEquals("NOT_ROD.array.name", errors.getFieldError("array[0].name").getCodes()[3]);
		assertEquals("NOT_ROD.name", errors.getFieldError("array[0].name").getCodes()[4]);
		assertEquals("NOT_ROD.java.lang.String", errors.getFieldError("array[0].name").getCodes()[5]);
		assertEquals("NOT_ROD", errors.getFieldError("array[0].name").getCodes()[6]);
		assertEquals(1, errors.getFieldErrorCount("map[key1].name"));
		assertEquals("NOT_ROD", errors.getFieldError("map[key1].name").getCode());
		assertEquals("NOT_ROD.tb.map[key1].name", errors.getFieldError("map[key1].name").getCodes()[0]);
		assertEquals("NOT_ROD.tb.map.name", errors.getFieldError("map[key1].name").getCodes()[1]);
		assertEquals("NOT_ROD.map[key1].name", errors.getFieldError("map[key1].name").getCodes()[2]);
		assertEquals("NOT_ROD.map.name", errors.getFieldError("map[key1].name").getCodes()[3]);
		assertEquals("NOT_ROD.name", errors.getFieldError("map[key1].name").getCodes()[4]);
		assertEquals("NOT_ROD.java.lang.String", errors.getFieldError("map[key1].name").getCodes()[5]);
		assertEquals("NOT_ROD", errors.getFieldError("map[key1].name").getCodes()[6]);
	}

	public void testBindingToNestedIndexedField() {
		IndexedTestBean tb = new IndexedTestBean();
		tb.getArray()[0].setNestedIndexedBean(new IndexedTestBean());
		tb.getArray()[1].setNestedIndexedBean(new IndexedTestBean());
		DataBinder binder = new DataBinder(tb, "tb");
		binder.registerCustomEditor(String.class, "array.nestedIndexedBean.list.name", new PropertyEditorSupport() {
			public void setAsText(String text) throws IllegalArgumentException {
				setValue("list" + text);
			}
		});
		MutablePropertyValues pvs = new MutablePropertyValues();
		pvs.addPropertyValue("array[0].nestedIndexedBean.list[0].name", "a");
		binder.bind(pvs);
		Errors errors = binder.getErrors();
		errors.rejectValue("array[0].nestedIndexedBean.list[0].name", "NOT_ROD", "are you sure you're not Rod?");

		assertEquals(1, errors.getFieldErrorCount("array[0].nestedIndexedBean.list[0].name"));
		assertEquals("NOT_ROD", errors.getFieldError("array[0].nestedIndexedBean.list[0].name").getCode());
		assertEquals("NOT_ROD.tb.array[0].nestedIndexedBean.list[0].name", errors.getFieldError("array[0].nestedIndexedBean.list[0].name").getCodes()[0]);
		assertEquals("NOT_ROD.tb.array[0].nestedIndexedBean.list.name", errors.getFieldError("array[0].nestedIndexedBean.list[0].name").getCodes()[1]);
		assertEquals("NOT_ROD.tb.array.nestedIndexedBean.list.name", errors.getFieldError("array[0].nestedIndexedBean.list[0].name").getCodes()[2]);
		assertEquals("NOT_ROD.array[0].nestedIndexedBean.list[0].name", errors.getFieldError("array[0].nestedIndexedBean.list[0].name").getCodes()[3]);
		assertEquals("NOT_ROD.array[0].nestedIndexedBean.list.name", errors.getFieldError("array[0].nestedIndexedBean.list[0].name").getCodes()[4]);
		assertEquals("NOT_ROD.array.nestedIndexedBean.list.name", errors.getFieldError("array[0].nestedIndexedBean.list[0].name").getCodes()[5]);
		assertEquals("NOT_ROD.name", errors.getFieldError("array[0].nestedIndexedBean.list[0].name").getCodes()[6]);
		assertEquals("NOT_ROD.java.lang.String", errors.getFieldError("array[0].nestedIndexedBean.list[0].name").getCodes()[7]);
		assertEquals("NOT_ROD", errors.getFieldError("array[0].nestedIndexedBean.list[0].name").getCodes()[8]);
	}

	public void testDirectBindingToIndexedField() {
		IndexedTestBean tb = new IndexedTestBean();
		DataBinder binder = new DataBinder(tb, "tb");
		binder.registerCustomEditor(String.class, "array", new PropertyEditorSupport() {
			public void setAsText(String text) throws IllegalArgumentException {
				setValue(new TestBean("array" + text, 99));
			}
			public String getAsText() {
				return ((TestBean) getValue()).getName();
			}
		});
		MutablePropertyValues pvs = new MutablePropertyValues();
		pvs.addPropertyValue("array[0]", "a");
		binder.bind(pvs);
		Errors errors = binder.getErrors();
		errors.rejectValue("array[0]", "NOT_ROD", "are you sure you're not Rod?");
		errors.rejectValue("map[key1]", "NOT_ROD", "are you sure you're not Rod?");

		assertEquals("arraya", errors.getFieldValue("array[0]"));
		assertEquals(1, errors.getFieldErrorCount("array[0]"));
		assertEquals("NOT_ROD", errors.getFieldError("array[0]").getCode());
		assertEquals("NOT_ROD.tb.array[0]", errors.getFieldError("array[0]").getCodes()[0]);
		assertEquals("NOT_ROD.tb.array", errors.getFieldError("array[0]").getCodes()[1]);
		assertEquals("NOT_ROD.array[0]", errors.getFieldError("array[0]").getCodes()[2]);
		assertEquals("NOT_ROD.array", errors.getFieldError("array[0]").getCodes()[3]);
		assertEquals("NOT_ROD.org.springframework.beans.TestBean", errors.getFieldError("array[0]").getCodes()[4]);
		assertEquals("NOT_ROD", errors.getFieldError("array[0]").getCodes()[5]);
		assertEquals(1, errors.getFieldErrorCount("map[key1]"));
		assertEquals("NOT_ROD", errors.getFieldError("map[key1]").getCode());
		assertEquals("NOT_ROD.tb.map[key1]", errors.getFieldError("map[key1]").getCodes()[0]);
		assertEquals("NOT_ROD.tb.map", errors.getFieldError("map[key1]").getCodes()[1]);
		assertEquals("NOT_ROD.map[key1]", errors.getFieldError("map[key1]").getCodes()[2]);
		assertEquals("NOT_ROD.map", errors.getFieldError("map[key1]").getCodes()[3]);
		assertEquals("NOT_ROD.org.springframework.beans.TestBean", errors.getFieldError("map[key1]").getCodes()[4]);
		assertEquals("NOT_ROD", errors.getFieldError("map[key1]").getCodes()[5]);
	}


	private static class TestBeanValidator implements Validator {

		public boolean supports(Class clazz) {
			return TestBean.class.isAssignableFrom(clazz);
		}

		public void validate(Object obj, Errors errors) {
			TestBean tb = (TestBean) obj;
			if (tb.getAge() < 32) {
				errors.rejectValue("age", "TOO_YOUNG", null, "simply too young");
			}
			if (tb.getAge() % 2 == 0) {
				errors.rejectValue("age", "AGE_NOT_ODD", null, "your age isn't odd");
			}
			if (tb.getName() == null || !tb.getName().equals("Rod")) {
				errors.rejectValue("name", "NOT_ROD", "are you sure you're not Rod?");
			}
			if (tb.getTouchy() == null || !tb.getTouchy().equals(tb.getName())) {
				errors.reject("NAME_TOUCHY_MISMATCH", "name and touchy do not match");
			}
			if (tb.getAge() == 0) {
				errors.reject("GENERAL_ERROR", new String[] {"arg"}, "msg");
			}
		}
	}
	

	private static class SpouseValidator implements Validator {

		public boolean supports(Class clazz) {
			return TestBean.class.isAssignableFrom(clazz);
		}

		public void validate(Object obj, Errors errors) {
			TestBean tb = (TestBean) obj;
			if (tb.getAge() < 32) {
				errors.rejectValue("age", "TOO_YOUNG", null, "simply too young");
			}
		}
	}

}