commit
fba79a009c
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@ -1,45 +1,53 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<artifactId>rxjava-2</artifactId>
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<version>1.0-SNAPSHOT</version>
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<name>rxjava-2</name>
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<parent>
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<groupId>com.baeldung</groupId>
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<artifactId>parent-java</artifactId>
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<version>0.0.1-SNAPSHOT</version>
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<relativePath>../parent-java</relativePath>
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</parent>
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<dependencies>
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<dependency>
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<groupId>io.reactivex.rxjava2</groupId>
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<artifactId>rxjava</artifactId>
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<version>${rx.java2.version}</version>
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</dependency>
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<dependency>
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<groupId>com.jayway.awaitility</groupId>
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<artifactId>awaitility</artifactId>
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<version>${awaitility.version}</version>
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</dependency>
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<dependency>
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<groupId>org.assertj</groupId>
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<artifactId>assertj-core</artifactId>
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<version>${assertj.version}</version>
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</dependency>
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<dependency>
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<groupId>com.jakewharton.rxrelay2</groupId>
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<artifactId>rxrelay</artifactId>
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<version>${rxrelay.version}</version>
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</dependency>
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</dependencies>
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<artifactId>rxjava-2</artifactId>
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<version>1.0-SNAPSHOT</version>
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<properties>
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<assertj.version>3.8.0</assertj.version>
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<rx.java2.version>2.2.2</rx.java2.version>
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<awaitility.version>1.7.0</awaitility.version>
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<rxrelay.version>2.0.0</rxrelay.version>
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</properties>
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<parent>
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<groupId>com.baeldung</groupId>
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<artifactId>parent-java</artifactId>
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<version>0.0.1-SNAPSHOT</version>
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<relativePath>../parent-java</relativePath>
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</parent>
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<dependencies>
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<dependency>
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<groupId>io.reactivex.rxjava2</groupId>
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<artifactId>rxjava</artifactId>
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<version>${rx.java2.version}</version>
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</dependency>
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<dependency>
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<groupId>com.jayway.awaitility</groupId>
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<artifactId>awaitility</artifactId>
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<version>${awaitility.version}</version>
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</dependency>
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<dependency>
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<groupId>org.assertj</groupId>
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<artifactId>assertj-core</artifactId>
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<version>${assertj.version}</version>
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</dependency>
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<dependency>
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<groupId>com.jakewharton.rxrelay2</groupId>
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<artifactId>rxrelay</artifactId>
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<version>${rxrelay.version}</version>
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</dependency>
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<!-- https://mvnrepository.com/artifact/com.github.akarnokd/rxjava2-extensions -->
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<dependency>
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<groupId>com.github.akarnokd</groupId>
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<artifactId>rxjava2-extensions</artifactId>
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<version>${rxjava2.ext.version}</version>
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</dependency>
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</dependencies>
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<properties>
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<assertj.version>3.8.0</assertj.version>
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<rx.java2.version>2.2.2</rx.java2.version>
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<awaitility.version>1.7.0</awaitility.version>
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<rxrelay.version>2.0.0</rxrelay.version>
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<rxjava2.ext.version>0.20.4</rxjava2.ext.version>
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</properties>
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</project>
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@ -0,0 +1,107 @@
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package com.baeldung.rxjava;
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import static org.junit.Assert.assertEquals;
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import java.util.Arrays;
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import java.util.List;
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import java.util.concurrent.Callable;
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import java.util.concurrent.ExecutorService;
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import java.util.concurrent.Executors;
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import java.util.concurrent.Future;
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import java.util.concurrent.TimeUnit;
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import java.util.concurrent.atomic.AtomicInteger;
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import org.junit.Test;
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import hu.akarnokd.rxjava2.async.AsyncObservable;
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import io.reactivex.Observable;
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public class AsyncAndSyncToObservableIntegrationTest {
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AtomicInteger counter = new AtomicInteger();
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Callable<Integer> callable = () -> counter.incrementAndGet();
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/* Method will execute every time it gets subscribed*/
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@Test
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public void givenSyncMethod_whenConvertedWithFromCallable_thenReturnObservable() {
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Observable<Integer> source = Observable.fromCallable(callable);
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for (int i = 1; i < 5; i++) {
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source.test()
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.awaitDone(5, TimeUnit.SECONDS)
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.assertResult(i);
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assertEquals(i, counter.get());
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}
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}
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/* Method will execute only once and cache its result.*/
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@Test
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public void givenSyncMethod_whenConvertedWithStart_thenReturnObservable() {
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Observable<Integer> source = AsyncObservable.start(callable);
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for (int i = 1; i < 5; i++) {
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source.test()
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.awaitDone(5, TimeUnit.SECONDS)
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.assertResult(1);
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assertEquals(1, counter.get());
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}
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}
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/* Method will execute only once and cache its result.*/
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@Test
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public void givenAsyncMethod_whenConvertedWithFromFuture_thenRetrunObservble() {
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ExecutorService executor = Executors.newSingleThreadExecutor();
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Future<Integer> future = executor.submit(callable);
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Observable<Integer> source = Observable.fromFuture(future);
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for (int i = 1; i < 5; i++) {
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source.test()
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.awaitDone(5, TimeUnit.SECONDS)
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.assertResult(1);
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assertEquals(1, counter.get());
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}
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executor.shutdown();
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}
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/* Method will execute every time it gets subscribed*/
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@Test
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public void givenAsyncMethod_whenConvertedWithStartFuture_thenRetrunObservble() {
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ExecutorService executor = Executors.newSingleThreadExecutor();
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Observable<Integer> source = AsyncObservable.startFuture(() -> executor.submit(callable));
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for (int i = 1; i < 5; i++) {
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source.test()
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.awaitDone(5, TimeUnit.SECONDS)
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.assertResult(i);
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assertEquals(i, counter.get());
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}
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executor.shutdown();
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}
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/*Method will execute only once and cache its result.*/
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@Test
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public void givenAsyncMethod_whenConvertedWithDeferFuture_thenRetrunObservble() {
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List<Integer> list = Arrays.asList(new Integer[] { counter.incrementAndGet(), counter.incrementAndGet(), counter.incrementAndGet() });
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ExecutorService exec = Executors.newSingleThreadExecutor();
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Callable<Observable<Integer>> callable = () -> Observable.fromIterable(list);
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Observable<Integer> source = AsyncObservable.deferFuture(() -> exec.submit(callable));
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for (int i = 1; i < 4; i++) {
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source.test()
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.awaitDone(5, TimeUnit.SECONDS)
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.assertResult(1, 2, 3);
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}
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exec.shutdown();
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}
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||||
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||||
}
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Loading…
Reference in New Issue