package com.shundaojia.rxcommand;

import org.junit.rules.TestRule;
import org.junit.runner.Description;
import org.junit.runners.model.Statement;

import io.reactivex.android.plugins.RxAndroidPlugins;
import io.reactivex.plugins.RxJavaPlugins;
import io.reactivex.schedulers.Schedulers;

/**
 * Created by listen on 2017/6/16.
 */

public class ImmediateSchedulersRule implements TestRule {
    @Override
    public Statement apply(final Statement base, Description description) {
        return new Statement() {
            @Override
            public void evaluate() throws Throwable {

                RxAndroidPlugins.setMainThreadSchedulerHandler(scheduler ->  Schedulers.trampoline());
                RxAndroidPlugins.setInitMainThreadSchedulerHandler(schedulerCallable ->  Schedulers.trampoline());

                try {
                    base.evaluate();
                } finally {
                    RxJavaPlugins.reset();
                    RxAndroidPlugins.reset();
                }
            }
        };
    }
}