Recently, specs2 was updated to version 2.4, which uses scalaz 7.1 instead of 7.0.x now. Once I update my specs2 dependency in my play! 2.3 project to use version 2.4, all tests fail with the following exception:
[error] Uncaught exception when running ...Spec: java.lang.In
compatibleClassChangeError: Found class scalaz.syntax.FunctorOps, but interface
was expected
sbt.ForkMain$ForkError: Found class scalaz.syntax.FunctorOps, but interface was
expected
at org.specs2.specification.SpecificationStructure$.createSpecificationEither(BaseSpecification.scala:119)
at org.specs2.runner.SbtRunner.org$specs2$runner$SbtRunner$$specificationRun(SbtRunner.scala:73)
at org.specs2.runner.SbtRunner$$anonfun$newTask$1$$anon$5.execute(SbtRunner.scala:59)
at sbt.ForkMain$Run$2.call(ForkMain.java:294)
at sbt.ForkMain$Run$2.call(ForkMain.java:284)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
Nobody seems to have had this error before. At least I was unable to find it in the issue tracking systems of the specs2 and play project.
I make it working in Play 2.3.8 with this settings.
"org.scalaz" %% "scalaz-core" % "7.1.1",
"com.typesafe.play" %% "play-test" % "2.3.8" % "test" excludeAll(
ExclusionRule(organization = "org.specs2")
),
"org.specs2" %% "specs2-core" % "3.5" % "test",
"org.specs2" %% "specs2-junit" % "3.5" % "test",
"org.specs2" %% "specs2-mock" % "3.5" % "test"