Files
spring-cloud-function/spring-cloud-function-samples/function-sample-gcp/src/test/java/com/example/FunctionSampleGcpIntegrationTest.java
2020-05-20 15:23:52 +02:00

92 lines
2.5 KiB
Java

/*
* Copyright 2020-2020 the original author or authors.
*
* 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
*
* https://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 com.example;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.Executors;
import java.util.concurrent.TimeUnit;
import org.junit.Ignore;
import org.junit.Test;
import org.springframework.boot.test.web.client.TestRestTemplate;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.fail;
public class FunctionSampleGcpIntegrationTest {
private TestRestTemplate rest = new TestRestTemplate();
private CountDownLatch startedSuccessfully = new CountDownLatch(1);
@Test
@Ignore
public void testSample() throws IOException {
Process process = new ProcessBuilder("mvn", "function:run").start();
try {
Executors.defaultThreadFactory().newThread(new OutputCapture(process.getErrorStream())).start();
Executors.defaultThreadFactory().newThread(new OutputCapture(process.getInputStream())).start();
if (startedSuccessfully.await(10, TimeUnit.SECONDS)) {
String result = rest.postForObject("http://localhost:8080/", "Hello", String.class);
assertThat(result).isEqualTo("\"HELLO\"");
}
else {
fail("Failed to start the function.");
}
}
catch (InterruptedException e) {
e.printStackTrace();
}
finally {
process.destroy();
}
}
class OutputCapture implements Runnable {
private InputStream inputStream;
OutputCapture(InputStream inputStream) {
this.inputStream = inputStream;
}
@Override
public void run() {
try (BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream))) {
String line;
while ((line = reader.readLine()) != null) {
System.out.println(line);
if (line.equals("INFO: URL: http://localhost:8080/")) {
startedSuccessfully.countDown();
}
}
}
catch (IOException e) {
e.printStackTrace();
}
}
}
}