Java tool that can be used in unit tests, to verify whether the contract for the equals and hashCode methods is met.
Questions tagged [equalsverifier]
10 questions
9
votes
2 answers
Equals and hashCode contract with EqualsVerifier
I have some doubts about equals and hashCode contract in Java using EqualsVerifier library.
Imagine we have something like this
public abstract class Person {
protected String name;
@Override
public boolean equals(Object obj) {
…
Manuelarte
- 1,658
- 2
- 28
- 47
5
votes
1 answer
EqualsVerifier in SpringBoot
I am creating the tests for two classes that share a list of data. When I use EqualsVerifier I get an error because it is asking me for a list with data shared by these two classes.
This is the error:
Recursive datastructure. Add prefab values for…
sinfryd95
- 175
- 1
- 2
- 8
3
votes
1 answer
EqualsVerifier: Unsupported class file major version 61
Java/Maven novice here, I'm trying to integrate EqualsVerifier into my code but am getting the following error
java.lang.AssertionError: EqualsVerifier found a problem in class com.me.MyClass.
-> Unsupported class file major version 61
As I…
Madden
- 1,024
- 1
- 9
- 27
3
votes
1 answer
EqualsVerifier Assertion Error: Significant fields: equals does not use , or it is stateless
The setup, java 8 using lombok, meanbean and equalsverifier(huge fan of all 3, and also limited in what versions I can use per co. policy - on 2.3.3 of equalsverifier):
@Data
@NoArgsConstructor
class A {...}
@Data
@NoArgsConstructor
class B extends…
Firstname Lastname
- 31
- 1
- 2
3
votes
1 answer
Why all fields used in equals should be also used in hashcode?
@Edit: I'm using this library http://jqno.nl/equalsverifier/ to check if equals and hashCode are written properly.
Let's say we have this class:
final class Why {
private final int id;
private final String name;
Why(final int id, final…
MAGx2
- 3,149
- 7
- 33
- 63
3
votes
1 answer
How to use EqualsVerifier in a Spock test
I have been writing my tests using spock. But to test Equals Hashcode contracts, I am trying to use EqualsVerifier. So my test code looks like:
def "test equals hashcode contract"() {
EqualsVerifier.forClass(Content.class).verify();
}
But this…
Neel
- 2,100
- 5
- 24
- 47
2
votes
1 answer
Equalsverifier fails when run with quarkus:dev
When running equalsverfier in quarkus dev mode, equalsverfier tests fail.
I tried to test a class with equalsverifier. This works in my IDE.
I tried to use it in quarkus dev mode (by running ./mvnw quarkus:dev), but then it fails with the following…
Talip
- 23
- 3
2
votes
2 answers
Nexus doesn't download the complete artifact content from the Central repository
In our project we use the artifact
nl.jqno.equalsverifier
equalsverifier
1.7.5
Everything works fine: Nexus downloads the same content as in…
andreasgk
- 673
- 1
- 12
- 30
1
vote
1 answer
Equals Verifier fails with error related to hashcode check for JPA entity
Given we have such class:
@Getter
@Setter
@NoArgsConstructor
@AllArgsConstructor
@Entity
public class User {
@Id
private Long id;
private String name;
private Integer age;
@Override
public final boolean equals(Object o) {
…
ColdDeath
- 49
- 6
1
vote
1 answer
How to change constructor arguments?
I have a record that performs a verification in its constructor as such :
public record Configuration(URI url) {
public Configuration(URI url) {
Validate.httpValid(url, "url");
}
}
Where the httpValid method is :
public static URI…
Tristan MARIE
- 107
- 5