ValangValidatorTests.java

package org.springmodules.validation.valang;

import java.util.HashMap;
import java.util.Map;

import junit.framework.TestCase;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import org.springframework.validation.BindException;
import org.springframework.validation.Errors;
import org.springframework.validation.Validator;

public class ValangValidatorTests extends TestCase {

    public ValangValidatorTests() {
        super();
    }

    public ValangValidatorTests(String arg0) {
        super(arg0);
    }

    private static ApplicationContext appCtx = new ClassPathXmlApplicationContext("org/springmodules/validation/valang/ValangValidator-tests.xml");

    public void testCustomFunctions() {

        LifeCycleBean lifeCycleBean = new LifeCycleBean();
        Person person = new Person();
        person.setLifeCycleBean(lifeCycleBean);
        person.setFirstName("FN");

        Validator validator = (Validator) appCtx.getBean("testCustomFunctions");
        BindException errors = new BindException(person, "person");
        validator.validate(person, errors);

        assertTrue(lifeCycleBean.isApplicationContextSet());
        assertTrue(lifeCycleBean.isApplicationEventPublisher());
        assertTrue(lifeCycleBean.isBeanFactorySet());
        assertTrue(lifeCycleBean.isMessageSourceSet());
        assertTrue(lifeCycleBean.isResourceLoaderSet());

        assertTrue(errors.hasFieldErrors("firstName"));
    }

    public void testCustomFunctionsFromApplicationContext() {

        LifeCycleBean lifeCycleBean = new LifeCycleBean();
        Person person = new Person();
        person.setLifeCycleBean(lifeCycleBean);
        person.setFirstName("FN");

        Validator validator = (Validator) appCtx.getBean("testCustomFunctionsFromApplicationContext");
        BindException errors = new BindException(person, "person");
        validator.validate(person, errors);

        assertTrue(lifeCycleBean.isApplicationContextSet());
        assertTrue(lifeCycleBean.isApplicationEventPublisher());
        assertTrue(lifeCycleBean.isBeanFactorySet());
        assertTrue(lifeCycleBean.isMessageSourceSet());
        assertTrue(lifeCycleBean.isResourceLoaderSet());

        assertTrue(errors.hasFieldErrors("firstName"));
    }

    public void testFunctionsFromApplicationContext() {

        Person person = new Person();
        person.setFirstName("FN");
        person.setFirstName("LN");

        Validator validator = (Validator) appCtx.getBean("testFunctionFromApplicationContext");
        BindException errors = new BindException(person, "person");
        validator.validate(person, errors);

        assertTrue(errors.hasFieldErrors("firstName"));
    }

    public void testPersonValidator() {
        Validator validator = (Validator) appCtx.getBean("personValidator", Validator.class);
        Person person = new Person();
        Map map = new HashMap();
        map.put("name", "Steven");
        map.put("passwd", "pas");
        person.setForm(map);
        Errors errors = new BindException(person, "person");
        validator.validate(person, errors);

        assertFalse(errors.hasFieldErrors("form[name]"));
        assertTrue(errors.hasFieldErrors("form[passwd]"));
    }

    public void testCustomFunction() throws Exception {

        ValangValidator validator = new ValangValidator();
        validator.addCustomFunction("tupper", "org.springmodules.validation.valang.functions.UpperCaseFunction");
        validator.setValang("{ firstName : tupper(?) == 'FN' : 'First name is empty' }");
        validator.afterPropertiesSet();

        Person person = new Person();
        person.setFirstName("fn");
        BindException errors = new BindException(person, "person");
        validator.validate(person, errors);

        assertFalse(errors.hasErrors());
    }

    //================================================ Inner Classes ===================================================

    private class Person {

        private LifeCycleBean lifeCycleBean;

        private String firstName;

        private String lastName;

        private Map form;

        public Map getForm() {
            return form;
        }

        public void setForm(Map form) {
            this.form = form;
        }

        public LifeCycleBean getLifeCycleBean() {
            return lifeCycleBean;
        }

        public void setLifeCycleBean(LifeCycleBean lifeCycleBean) {
            this.lifeCycleBean = lifeCycleBean;
        }

        public String getFirstName() {
            return firstName;
        }

        public void setFirstName(String firstName) {
            this.firstName = firstName;
        }

        public String getLastName() {
            return lastName;
        }

        public void setLastName(String lastName) {
            this.lastName = lastName;
        }
    }

}