org.scalamock.proxy.InvocationHandlerBase.scala Maven / Gradle / Ivy
// Copyright (c) 2011-2015 ScalaMock Contributors (https://github.com/paulbutcher/ScalaMock/graphs/contributors)
//
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// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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package org.scalamock.proxy
import java.lang.reflect.{InvocationHandler, Method}
import scala.collection.mutable.Map
abstract class InvocationHandlerBase[T <: FakeFunction] extends InvocationHandler {
override def invoke(proxy: AnyRef, method: Method, args: Array[AnyRef]) = {
val name = Symbol(method.getName)
lazy val fake = getFake(args(0).asInstanceOf[Symbol])
(handle(name, fake).getOrElse(name match {
case Symbol("toString") => s"proxy mock object ${System.identityHashCode(proxy)}"
case Symbol("hashCode") => System.identityHashCode(proxy)
case Symbol("equals") => (args(0) eq proxy)
case _ => getFake(name).handle(args)
})).asInstanceOf[AnyRef]
}
protected def makeFake(name: Symbol): T
protected def handle(name: Symbol, fake: => T): Option[Any]
private def getFake(name: Symbol): T = fakes.getOrElseUpdate(name, makeFake(name))
private val fakes = Map[Symbol, T]()
}