java-tutorials/javaxval/src/test/java/org/baeldung/ContainerValidationIntegrationTest.java

package org.baeldung;

import static org.junit.Assert.assertEquals;

import java.util.Collections;
import java.util.OptionalInt;
import java.util.Set;

import javax.validation.ConstraintViolation;
import javax.validation.Validation;
import javax.validation.Validator;
import javax.validation.ValidatorFactory;
import org.baeldung.valueextractors.ProfileValueExtractor;

import org.junit.Before;
import org.junit.Test;

public class ContainerValidationIntegrationTest {
    private Validator validator;

    @Before
    public void setup() {
        ValidatorFactory factory = Validation.byDefaultProvider().configure()
            .addValueExtractor(new ProfileValueExtractor()).buildValidatorFactory();
        validator = factory.getValidator();
    }

    @Test
    public void whenEmptyAddress_thenValidationFails() {
        Customer customer = new Customer();
        customer.setName("John");
        customer.setAddresses(Collections.singletonList(" "));
        Set<ConstraintViolation<Customer>> violations = validator.validate(customer);
        assertEquals(1, violations.size());
        assertEquals("Address must not be blank", violations.iterator()
            .next()
            .getMessage());
    }

    @Test
    public void whenInvalidEmail_thenValidationFails() {
        CustomerMap map = new CustomerMap();
        map.setCustomers(Collections.singletonMap("john", new Customer()));
        Set<ConstraintViolation<CustomerMap>> violations = validator.validate(map);
        assertEquals(1, violations.size());
        assertEquals("Must be a valid email", violations.iterator()
            .next()
            .getMessage());
    }

    @Test
    public void whenAgeTooLow_thenValidationFails() {
        Customer customer = new Customer();
        customer.setName("John");
        customer.setAge(15);
        Set<ConstraintViolation<Customer>> violations = validator.validate(customer);
        assertEquals(1, violations.size());
    }

    @Test
    public void whenAgeNull_thenValidationSucceeds() {
        Customer customer = new Customer();
        customer.setName("John");
        Set<ConstraintViolation<Customer>> violations = validator.validate(customer);
        assertEquals(0, violations.size());
    }

    @Test
    public void whenNumberOrdersValid_thenValidationSucceeds() {
        Customer customer = new Customer();
        customer.setName("John");
        customer.setNumberOfOrders(OptionalInt.of(1));
        Set<ConstraintViolation<Customer>> violations = validator.validate(customer);
        assertEquals(0, violations.size());
    }

    //@Test
    public void whenProfileCompanyNameBlank_thenValidationFails() {
        Customer customer = new Customer();
        customer.setName("John");
        Profile profile = new Profile();
        profile.setCompanyName(" ");
        customer.setProfile(profile);
        Set<ConstraintViolation<Customer>> violations = validator.validate(customer);
        assertEquals(1, violations.size());
    }

}