src/test/java/io/reactivex/rxjava4/observable/ObservableWindowTests.java - 4.x - githubmirror/RxJava

src/test/java/io/reactivex/rxjava4/observable/ObservableWindowTests.java

82 строки3 KB

David Karnok

4.x: Convert from JUnit 4 to JUnit 6 (#8202)

30 июн 2026, 12:01

30 июн 2026, 12:01531388f

/*
 * Copyright (c) 2016-present, RxJava Contributors.
 *
 * 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 io.reactivex.rxjava4.observable;

import static org.junit.jupiter.api.Assertions.*;

import java.util.*;
import java.util.concurrent.TimeUnit;

import org.junit.jupiter.api.Test;

import io.reactivex.rxjava4.core.*;
import io.reactivex.rxjava4.core.Observable;
import io.reactivex.rxjava4.functions.Function;
import io.reactivex.rxjava4.observers.TestObserver;
import io.reactivex.rxjava4.schedulers.TestScheduler;
import io.reactivex.rxjava4.subjects.PublishSubject;

public class ObservableWindowTests extends RxJavaTest {

    @Test
    public void window() {
        final ArrayList<List<Integer>> lists = new ArrayList<>();

        Observable.concat(
            Observable.just(1, 2, 3, 4, 5, 6)
            .window(3)
            .map(xs -> xs.toList().toObservable())
        )
        .blockingForEach(lists::add);

        assertArrayEquals(lists.get(0).toArray(new Integer[3]), new Integer[] { 1, 2, 3 });
        assertArrayEquals(lists.get(1).toArray(new Integer[3]), new Integer[] { 4, 5, 6 });
        assertEquals(2, lists.size());

    }

    @Test
    public void timeSizeWindowAlternatingBounds() {
        TestScheduler scheduler = new TestScheduler();
        PublishSubject<Integer> ps = PublishSubject.create();

        TestObserver<List<Integer>> to = ps.window(5, TimeUnit.SECONDS, scheduler, 2)
        .flatMapSingle((Function<Observable<Integer>, SingleSource<List<Integer>>>) Observable::toList)
        .test();

        ps.onNext(1);
        ps.onNext(2);
        to.assertValueCount(1); // size bound hit

        scheduler.advanceTimeBy(1, TimeUnit.SECONDS);
        ps.onNext(3);
        scheduler.advanceTimeBy(6, TimeUnit.SECONDS);
        to.assertValueCount(2); // time bound hit

        ps.onNext(4);
        ps.onNext(5);

        to.assertValueCount(3); // size bound hit again

        ps.onNext(4);

        scheduler.advanceTimeBy(6, TimeUnit.SECONDS);

        to.assertValueCount(4)
        .assertNoErrors()
        .assertNotComplete();

        to.dispose();
    }
}