java test for Equal Hashcode (Sonar)

member-equal-test.java

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

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

public class MemberEqualsHashcodeTest {

    private Member a, b;

    @Before
    public void setUp(){
        this.a = MemberFixtures.createMember();
        this.b = MemberFixtures.createMember();
    }

    @Test
    public void obvious(){
        assertThat(a).isEqualTo(a);
        assertThat(a).isNotEqualTo(new Object());
        assertThat(a).isNotEqualTo(null);
    }

    @Test
    public void equals(){
        assertThat(a).isEqualTo(b);
        assertThat(a.hashCode()).isEqualTo(b.hashCode());
    }

    @Test
    public void memberIdDifferent(){
        a.setId("a");
        b.setId("b");
        assertThat(a).isNotEqualTo(b);
    }

    @Test
    public void organizationIdDifferent(){
        a.setOrganizationId("a");
        b.setOrganizationId("b");
        assertThat(a).isNotEqualTo(b);
    }


}