org.scalatest.matchers

MatcherProducers

object MatcherProducers extends MatcherProducers

Companion object that facilitates the importing of MatcherProducers members as an alternative to mixing it in. One use case is to import MatcherProducers's members so you can use MatcherProducers in the Scala interpreter.

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Type Members

  1. class Composifier[T] extends AnyRef

    Class used via an implicit conversion that adds composeTwice, mapResult, and mapArgs methods to functions that produce a Matcher.

Value Members

  1. final def !=(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef
  2. final def !=(arg0: Any): Boolean

    Definition Classes
    Any
  3. final def ##(): Int

    Definition Classes
    AnyRef → Any
  4. final def ==(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef
  5. final def ==(arg0: Any): Boolean

    Definition Classes
    Any
  6. final def asInstanceOf[T0]: T0

    Definition Classes
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  7. def clone(): AnyRef

    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws()
  8. implicit def convertToComposifier[T](f: (T) ⇒ Matcher[T]): Composifier[T]

    Implicit conversion that converts a function of T => Matcher[T] to an object that has composeTwice, mapResult and mapArgs methods.

    Implicit conversion that converts a function of T => Matcher[T] to an object that has composeTwice, mapResult and mapArgs methods.

    The following shows how this trait is used to compose twice and modify error messages:

    import org.scalatest._
    import matchers._
    import MatcherProducers._
    
    val f = be > (_: Int) val g = (_: String).toInt
    // f composeTwice g means: (f compose g) andThen (_ compose g) val beAsIntsGreaterThan = f composeTwice g mapResult { mr => mr.copy( failureMessageArgs = mr.failureMessageArgs.map((LazyArg(_) { "\"" + _.toString + "\".toInt"})), negatedFailureMessageArgs = mr.negatedFailureMessageArgs.map((LazyArg(_) { "\"" + _.toString + "\".toInt"})), midSentenceFailureMessageArgs = mr.midSentenceFailureMessageArgs.map((LazyArg(_) { "\"" + _.toString + "\".toInt"})), midSentenceNegatedFailureMessageArgs = mr.midSentenceNegatedFailureMessageArgs.map((LazyArg(_) { "\"" + _.toString + "\".toInt"})) ) }
    "7" should beAsIntsGreaterThan ("8")

    The last assertion will fail with message like this:

    "7".toInt was not greater than "8".toInt
    

    T

    the type used by function f

    f

    a function that takes a T and return a Matcher[T]

    returns

    an object that has composeTwice, mapResult and mapArgs methods.

    Definition Classes
    MatcherProducers
  9. final def eq(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef
  10. def equals(arg0: Any): Boolean

    Definition Classes
    AnyRef → Any
  11. def finalize(): Unit

    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws()
  12. final def getClass(): Class[_]

    Definition Classes
    AnyRef → Any
  13. def hashCode(): Int

    Definition Classes
    AnyRef → Any
  14. final def isInstanceOf[T0]: Boolean

    Definition Classes
    Any
  15. final def ne(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef
  16. final def notify(): Unit

    Definition Classes
    AnyRef
  17. final def notifyAll(): Unit

    Definition Classes
    AnyRef
  18. final def synchronized[T0](arg0: ⇒ T0): T0

    Definition Classes
    AnyRef
  19. def toString(): String

    Definition Classes
    AnyRef → Any
  20. final def wait(): Unit

    Definition Classes
    AnyRef
    Annotations
    @throws()
  21. final def wait(arg0: Long, arg1: Int): Unit

    Definition Classes
    AnyRef
    Annotations
    @throws()
  22. final def wait(arg0: Long): Unit

    Definition Classes
    AnyRef
    Annotations
    @throws()

Inherited from MatcherProducers

Inherited from AnyRef

Inherited from Any

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