/*
 * Copyright 2012-2019 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.springframework.samples.petclinic.model;

import java.util.Locale;
import java.util.Set;

import javax.validation.ConstraintViolation;
import javax.validation.Validator;

import org.junit.Test;

import org.springframework.context.i18n.LocaleContextHolder;
import org.springframework.validation.beanvalidation.LocalValidatorFactoryBean;

import static org.assertj.core.api.Assertions.assertThat;

/**
 * @author Michael Isvy Simple test to make sure that Bean Validation is working (useful
 * when upgrading to a new version of Hibernate Validator/ Bean Validation)
 */
public class ValidatorTests {

    private Validator createValidator() {
        LocalValidatorFactoryBean localValidatorFactoryBean = new LocalValidatorFactoryBean();
        localValidatorFactoryBean.afterPropertiesSet();
        return localValidatorFactoryBean;
    }

    @Test
    public void shouldNotValidateWhenFirstNameEmpty() {

        LocaleContextHolder.setLocale(Locale.ENGLISH);
        Person person = new Person();
        person.setFirstName("");
        person.setLastName("smith");

        Validator validator = createValidator();
        Set<ConstraintViolation<Person>> constraintViolations = validator
                .validate(person);

        assertThat(constraintViolations).hasSize(1);
        ConstraintViolation<Person> violation = constraintViolations.iterator().next();
        assertThat(violation.getPropertyPath().toString()).isEqualTo("firstName");
        assertThat(violation.getMessage()).isEqualTo("must not be empty");
    }

}
