org.apache.pekko.persistence.scalatest.OptionalTests.scala Maven / Gradle / Ivy

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Apache Pekko is a toolkit for building highly concurrent, distributed, and resilient message-driven applications for Java and Scala.

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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * license agreements; and to You under the Apache License, version 2.0:
 *
 *   https://www.apache.org/licenses/LICENSE-2.0
 *
 * This file is part of the Apache Pekko project, which was derived from Akka.
 */

/*
 * Copyright (C) 2009-2022 Lightbend Inc. 
 */

package org.apache.pekko.persistence.scalatest

import org.scalatest.Informing

import org.apache.pekko.persistence.CapabilityFlag

trait OptionalTests {
  this: Informing =>

  def optional(flag: CapabilityFlag)(test: => Unit) = {
    val msg = s"CapabilityFlag `${flag.name}` was turned `" +
      (if (flag.value) "on" else "off") +
      "`. " + (if (!flag.value) "To enable the related tests override it with `CapabilityFlag.on` (or `true` in Scala)."
               else "")
    info(msg)
    if (flag.value)
      try test
      catch {
        case _: Exception =>
          throw new AssertionError(
            "Implementation did not pass this spec. " +
            "If your journal will be (by definition) unable to abide the here tested rule, you can disable this test," +
            s"by overriding [${flag.name}] with CapabilityFlag.off in your test class.")
      }
  }

}