features-test-plugin/src/main/java/org/opendaylight/odlparent/features/test/plugin/PaxExamExecution.java

   1 /*
   2  * Copyright (c) 2024 PANTHEON.tech, s.r.o. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.odlparent.features.test.plugin;
   9
  10 import static java.util.Objects.requireNonNull;
  11
  12 import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
  13 import java.io.IOException;
  14 import java.io.OutputStream;
  15 import java.io.PrintStream;
  16 import java.util.concurrent.atomic.AtomicBoolean;
  17 import org.apache.maven.plugin.MojoExecutionException;
  18 import org.ops4j.pax.exam.ExamSystem;
  19 import org.ops4j.pax.exam.TestContainer;
  20
  21 final class PaxExamExecution {
  22     private final TestContainer[] containers;
  23     private final ExamSystem examSystem;
  24     private final String localRepository;
  25
  26     PaxExamExecution(final String localRepository, final ExamSystem examSystem, final TestContainer ... containers) {
  27         this.localRepository = requireNonNull(localRepository);
  28         this.containers = containers;
  29         this.examSystem = examSystem;
  30     }
  31
  32     @SuppressWarnings({"IllegalCatch", "RegexpSinglelineJava"})
  33     @SuppressFBWarnings("DM_DEFAULT_ENCODING")
  34     void execute() throws MojoExecutionException {
  35
  36         // Use the same repository for Pax Exam as is used for Maven
  37         System.setProperty("org.ops4j.pax.url.mvn.localRepository", localRepository);
  38
  39         for (var container : containers) {
  40             // disable karaf stdout output to maven log
  41             final var stdout = System.out;
  42             System.setOut(new PrintStream(OutputStream.nullOutputStream()));
  43
  44             final var containerStarted = new AtomicBoolean(false);
  45             try {
  46                 container.start();
  47                 containerStarted.set(true);
  48
  49                 // build probe
  50                 final var probeBuilder = examSystem.createProbe();
  51                 final var address = probeBuilder.addTest(TestProbe.class, "testFeature");
  52                 probeBuilder.addTest(TestProbe.CheckResult.class);
  53
  54                 // install probe bundle
  55                 container.install(probeBuilder.build().getStream());
  56                 // execute probe testMethod
  57                 container.call(address);
  58
  59             } catch (RuntimeException | IOException e) {
  60                 throw new MojoExecutionException(e);
  61             } finally {
  62                 if (containerStarted.get()) {
  63                     container.stop();
  64                 }
  65                 // restore stdout
  66                 System.setOut(stdout);
  67             }
  68         }
  69     }
  70 }