withObjectMocked leads to "java.lang.NoSuchFieldException: modifiers"

[sa-]

I'm using java 8 and scala 2.12.

Is withObjectMocked supported in Java 8?

[info]   java.lang.NoSuchFieldException: modifiers
[info]   at java.base/java.lang.Class.getDeclaredField(Class.java:2412)
[info]   at org.mockito.ReflectionUtils$.setFinalStatic(ReflectionUtils.scala:128)
[info]   at org.mockito.MockitoEnhancer.withObjectMocked(MockitoAPI.scala:641)
[info]   at org.mockito.MockitoEnhancer.withObjectMocked$(MockitoAPI.scala:630)

[ultrasecreth]

Our CI tests Scala 2.11, 2.12 & 2.13 on both Java 8 & 11, so it should work...
Mind posting a code snippet that can be used to reproduce the issue?

[trompa]

I believe that original poster is running the tests with a bigger java version than 8, this is a problem I am facing for java 14, but not when i pass java 8 to sbt through -java-home command

[ultrasecreth]

I guess it could be worth adding CI on Java 14 or 15 to avoid this kind of issues in the future

[trompa]

More info on the issue:
There is a change in final fields for java 13 that prevents this to work

See:
powermock/powermock#939
Ported this change to scala and will create a PR.
Local tests show it fixed the error.
CI tests for java 13+ should be added

[ultrasecreth]

@trompa thanks a lot for the fix, will add CI on 13+ versions soon!

[trompa]

Unfortunately, it wasn complete, need to apply the same fix to setFinalStatic, working on it

[ultrasecreth]

No prob, mind adding a newer Java version here?
https://github.com/mockito/mockito-scala/blob/release/1.x/.github/workflows/ci.yml
this way we know all of these changes work for sure :)

[thespags]

I'm still seeing this issue with java8, scala 2.11, and mockito-scala-scalatest 1.16.46.

modifiers
java.lang.NoSuchFieldException: modifiers

I'm using the code from the example in the readme

  def simpleMethod: String = "not mocked!"
}

  class Foo  extends AnyFunSuite with IdiomaticMockito {
    test("mock") {
        FooObject.simpleMethod shouldBe "not mocked!"

        withObjectMocked[FooObject.type] {
          FooObject.simpleMethod returns "mocked!"
          //or
          when(FooObject.simpleMethod) thenReturn "mocked!"

          FooObject.simpleMethod shouldBe "mocked!"
        }

        FooObject.simpleMethod shouldBe "not mocked!"
    }
  }

Thank you.

[ultrasecreth]

Will have a look

[kurtrwall]

I'm seeing this using Java 8, Scala 2.12, mockito v1.17.0.

[mazers0129]

temporary...
I add vm option to my test.
--add-opens java.base/java.lang=ALL-UNNAMED
--add-opens java.base/java.lang.reflect=ALL-UNNAMED

it work for me!!

• ENV -
  jdk17
  scala 2.6.19
  mockito-scala-scalatest 1.17.7

[raucher]

It's very interesting, but https://github.com/mockito/mockito-scala#mocking-scala-object says
"Since version 1.16.0 it is possible to mock object methods, given that such definitions are global"
I've tried to declare an object at most-outer scope (neither in a class, nor in a method) and it works.

object FooObject {
  def foo: String = "not mocked"
}

class ApiConsumerActorTest extends TestKit(ActorSystem("ApiConsumerActorTest"))
{ ... }

If object is declared inside a class or method, run fails with exception :/

JDK: 1.8.0_382
Scala: 2.12.18
Mockito-scala: 1.17.12

[eanea]

facing the same issue.
JDK 17
Scala 2.13
Mockito-scala 1.17.27

seems related: https://stackoverflow.com/questions/56039341/get-declared-fields-of-java-lang-reflect-fields-in-jdk12

[txia1989]

Same issue
JDK 17
Scala 2.12.12
Mockito-scala 1.17.29