Packages

class ConsoleWriter extends AnyRef

A test-friendly wrapper for the standard system output streams (System.out, System.err).

Ex:

class MyApp extends App {
  def run(): Unit = {
    val console = injector.instance[ConsoleWriter]
    console.out.println("Hello, World!")
  }
}
Note

Using the ConsoleWriter is preferred for testing because its state can be locally overridden/bound, where as using System.setOut() or System.setErr() modifies global state of the JVM, which may result in flaky tests.

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Value Members

  1. final def !=(arg0: Any): Boolean
    Definition Classes
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  2. final def ##: Int
    Definition Classes
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  3. final def ==(arg0: Any): Boolean
    Definition Classes
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  4. final def asInstanceOf[T0]: T0
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  5. def clone(): AnyRef
    Attributes
    protected[lang]
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    @throws(classOf[java.lang.CloneNotSupportedException]) @native()
  6. final def eq(arg0: AnyRef): Boolean
    Definition Classes
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  7. def equals(arg0: AnyRef): Boolean
    Definition Classes
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  8. val err: PrintStream
  9. def finalize(): Unit
    Attributes
    protected[lang]
    Definition Classes
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    Annotations
    @throws(classOf[java.lang.Throwable])
  10. final def getClass(): Class[_ <: AnyRef]
    Definition Classes
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    Annotations
    @native()
  11. def hashCode(): Int
    Definition Classes
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    Annotations
    @native()
  12. final def isInstanceOf[T0]: Boolean
    Definition Classes
    Any
  13. def let[T](f: => T): T

    Let this ConsoleWriter's out and error streams be used to scope the scala Console.

    Let this ConsoleWriter's out and error streams be used to scope the scala Console.

    Note

    This does not impact or change the global Java System.out or System.err, nor does it currently impact the behavior of installed/configured Loggers.

  14. final def ne(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  15. final def notify(): Unit
    Definition Classes
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    Annotations
    @native()
  16. final def notifyAll(): Unit
    Definition Classes
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    Annotations
    @native()
  17. val out: PrintStream
  18. final def synchronized[T0](arg0: => T0): T0
    Definition Classes
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  19. def toString(): String
    Definition Classes
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  20. final def wait(): Unit
    Definition Classes
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    Annotations
    @throws(classOf[java.lang.InterruptedException])
  21. final def wait(arg0: Long, arg1: Int): Unit
    Definition Classes
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    @throws(classOf[java.lang.InterruptedException])
  22. final def wait(arg0: Long): Unit
    Definition Classes
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    Annotations
    @throws(classOf[java.lang.InterruptedException]) @native()

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