104 lines
2.9 KiB
Java
104 lines
2.9 KiB
Java
/*
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* Copyright 2012-2018 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package sample.parent.consumer;
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import java.io.IOException;
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import org.junit.AfterClass;
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import org.junit.BeforeClass;
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import org.junit.Test;
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import sample.parent.SampleParentContextApplication;
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import sample.parent.producer.ProducerApplication;
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import org.springframework.boot.SpringApplication;
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import org.springframework.context.ConfigurableApplicationContext;
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import org.springframework.core.io.DefaultResourceLoader;
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import org.springframework.core.io.Resource;
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import org.springframework.core.io.support.ResourcePatternUtils;
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import org.springframework.util.StreamUtils;
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import static org.junit.Assert.fail;
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/**
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* Basic integration tests for service demo application.
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*
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* @author Dave Syer
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* @author Andy Wilkinson
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*/
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public class SampleIntegrationParentApplicationTests {
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private static ConfigurableApplicationContext context;
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@BeforeClass
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public static void start() {
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context = SpringApplication.run(SampleParentContextApplication.class);
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}
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@AfterClass
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public static void stop() {
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if (context != null) {
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context.close();
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}
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}
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@Test
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public void testVanillaExchange() throws Exception {
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SpringApplication.run(ProducerApplication.class, "World");
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awaitOutputContaining("Hello World");
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}
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private void awaitOutputContaining(String requiredContents) throws Exception {
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long endTime = System.currentTimeMillis() + 30000;
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String output = null;
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while (System.currentTimeMillis() < endTime) {
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Resource[] resources = findResources();
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if (resources.length == 0) {
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Thread.sleep(200);
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resources = findResources();
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}
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else {
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output = readResources(resources);
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if (output != null && output.contains(requiredContents)) {
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return;
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}
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else {
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Thread.sleep(200);
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output = readResources(resources);
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}
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}
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}
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fail("Timed out awaiting output containing '" + requiredContents
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+ "'. Output was '" + output + "'");
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}
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private Resource[] findResources() throws IOException {
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return ResourcePatternUtils
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.getResourcePatternResolver(new DefaultResourceLoader())
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.getResources("file:target/output/*.txt");
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}
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private String readResources(Resource[] resources) throws IOException {
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StringBuilder builder = new StringBuilder();
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for (Resource resource : resources) {
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builder.append(
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new String(StreamUtils.copyToByteArray(resource.getInputStream())));
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}
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return builder.toString();
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}
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}
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