/*
* Copyright 2012-2016 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
*
* http://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 demo.domain;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import static org.assertj.core.api.Assertions.assertThat;
/**
* Tests for {@link VehicleIdentificationNumber}.
*/
public class VehicleIdentificationNumberTest {
private static final String SAMPLE_VIN = "01234567890123456";
@Rule
public ExpectedException thrown = ExpectedException.none();
@Test
public void createWhenVinIsNullShouldThrowException() throws Exception {
this.thrown.expect(IllegalArgumentException.class);
this.thrown.expectMessage("VIN must not be null");
new VehicleIdentificationNumber(null);
}
@Test
public void createWhenVinIsMoreThan17CharsShouldThrowException() throws Exception {
this.thrown.expect(IllegalArgumentException.class);
this.thrown.expectMessage("VIN must be exactly 17 characters");
new VehicleIdentificationNumber("012345678901234567");
}
@Test
public void createWhenVinIsLessThan17CharsShouldThrowException() throws Exception {
this.thrown.expect(IllegalArgumentException.class);
this.thrown.expectMessage("VIN must be exactly 17 characters");
new VehicleIdentificationNumber("0123456789012345");
}
@Test
public void toStringShouldReturnVin() throws Exception {
VehicleIdentificationNumber vin = new VehicleIdentificationNumber(SAMPLE_VIN);
assertThat(vin.toString()).isEqualTo(SAMPLE_VIN);
}
@Test
public void equalsAndHashCodeShouldBeBasedOnVin() throws Exception {
VehicleIdentificationNumber vin1 = new VehicleIdentificationNumber(SAMPLE_VIN);
VehicleIdentificationNumber vin2 = new VehicleIdentificationNumber(SAMPLE_VIN);
VehicleIdentificationNumber vin3 = new VehicleIdentificationNumber(
"00000000000000000");
assertThat(vin1.hashCode()).isEqualTo(vin2.hashCode());
assertThat(vin1).isEqualTo(vin1).isEqualTo(vin2).isNotEqualTo(vin3);
}
}