src/test/java/io/reactivex/rxjava4/maybe/MaybeCreateTest.java - 4.x - githubmirror/RxJava

src/test/java/io/reactivex/rxjava4/maybe/MaybeCreateTest.java
127 строк4 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.maybe;

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

import java.util.List;

import org.junit.jupiter.api.Test;

import io.reactivex.rxjava4.core.*;
import io.reactivex.rxjava4.disposables.Disposable;
import io.reactivex.rxjava4.exceptions.TestException;
import io.reactivex.rxjava4.plugins.RxJavaPlugins;
import io.reactivex.rxjava4.testsupport.TestHelper;

public class MaybeCreateTest extends RxJavaTest {
    @Test
    public void basic() {
        List<Throwable> errors = TestHelper.trackPluginErrors();
        try {
            final Disposable d = Disposable.empty();

            Maybe.<Integer>create(e -> {
                e.setDisposable(d);

                e.onSuccess(1);
                e.onError(new TestException());
                e.onSuccess(2);
                e.onError(new TestException());
            }).test().assertResult(1);

            assertTrue(d.isDisposed());
            TestHelper.assertUndeliverable(errors, 0, TestException.class);
        } finally {
            RxJavaPlugins.reset();
        }
    }

    @Test
    public void basicWithCancellable() {
        List<Throwable> errors = TestHelper.trackPluginErrors();
        try {
            final Disposable d1 = Disposable.empty();
            final Disposable d2 = Disposable.empty();

            Maybe.<Integer>create(e -> {
                e.setDisposable(d1);
                e.setCancellable(d2::dispose);

                e.onSuccess(1);
                e.onError(new TestException());
                e.onSuccess(2);
                e.onError(new TestException());
            }).test().assertResult(1);

            assertTrue(d1.isDisposed());
            assertTrue(d2.isDisposed());

            TestHelper.assertUndeliverable(errors, 0, TestException.class);
        } finally {
            RxJavaPlugins.reset();
        }
    }

    @Test
    public void basicWithError() {
        List<Throwable> errors = TestHelper.trackPluginErrors();
        try {
            final Disposable d = Disposable.empty();

            Maybe.<Integer>create(e -> {
                e.setDisposable(d);

                e.onError(new TestException());
                e.onSuccess(2);
                e.onError(new TestException());
            }).test().assertFailure(TestException.class);

            assertTrue(d.isDisposed());

            TestHelper.assertUndeliverable(errors, 0, TestException.class);
        } finally {
            RxJavaPlugins.reset();
        }
    }

    @Test
    public void basicWithCompletion() {
        List<Throwable> errors = TestHelper.trackPluginErrors();
        try {
            final Disposable d = Disposable.empty();

            Maybe.<Integer>create(e -> {
                e.setDisposable(d);

                e.onComplete();
                e.onSuccess(2);
                e.onError(new TestException());
            }).test().assertComplete();

            assertTrue(d.isDisposed());

            TestHelper.assertUndeliverable(errors, 0, TestException.class);
        } finally {
            RxJavaPlugins.reset();
        }
    }

    @Test
    public void unsafeCreate() {
        assertThrows(IllegalArgumentException.class, () -> {
            Maybe.unsafeCreate(Maybe.just(1));
        });
    }
}