org.scalatest.Distributor.scala Maven / Gradle / Ivy

/* * Copyright 2001-2013 Artima, Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.scalatest /** * Trait whose instances facilitate parallel execution of Suites. * An optional Distributor is passed to the run method of Suite. If a * Distributor is indeed passed, trait Suite's implementation of run will * populate that Distributor with its nested Suites (by passing them to the Distributor's * apply method) rather than executing the nested Suites directly. It is then up to another thread or process * to execute those Suites. * * * If you have a set of nested Suites that must be executed sequentially, you can mix in trait * SequentialNestedSuiteExecution, which overrides runNestedSuites and * calls super's runNestedSuites implementation, passing in None for the * Distributor. * * * * Implementations of this trait must be thread safe. * * * @author Bill Venners */ trait Distributor { /** * Puts a Suite into the Distributor. * *

* The Distributor can decide which, if any, of the passed ArgsSuite's apply method. For example, a Distributor * may pass itself wrapped in a Some in the Args it passes to the Suite's run * method instead of the args.distributor value. *

* * @param suite the Suite to put into the Distributor. * @param args a Args containing objects that may be passed to the Suite's * run method via a Args instance. * * @throws NullArgumentException if either suite or tracker is null. */ def apply(suite: Suite, args: Args): Status }