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OperatorTester.java
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60 lines (52 loc) · 1.98 KB
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/**
* Copyright 2014 Netflix, 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 rx.test;
import rx.Scheduler;
/**
* Common utility functions for testing operator implementations.
*/
public final class OperatorTester {
/*
* This is purposefully package-only so it does not leak into the public API outside of this package.
*
* This package is implementation details and not part of the Javadocs and thus can change without breaking backwards compatibility.
*
* benjchristensen => I'm procrastinating the decision of where and how these types of classes (see rx.subjects.UnsubscribeTester) should exist.
* If they are only for internal implementations then I don't want them as part of the API.
* If they are truly useful for everyone to use then an "rx.testing" package may make sense.
*/
private OperatorTester() {
}
/**
* Used for mocking of Schedulers since many Scheduler implementations are static/final.
*
* @param underlying
* @return
*/
public static Scheduler forwardingScheduler(Scheduler underlying) {
return new ForwardingScheduler(underlying);
}
public static class ForwardingScheduler extends Scheduler {
private final Scheduler underlying;
public ForwardingScheduler(Scheduler underlying) {
this.underlying = underlying;
}
@Override
public Worker createWorker() {
return underlying.createWorker();
}
}
}