src/test/java/org/apache/sling/maven/slingstart/PreparePackageMojoTest.java - sling-slingstart-maven-plugin - Git at Google

 /*
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.
  * The ASF licenses this file to You 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 org.apache.sling.maven.slingstart;

 import java.io.File;
 import java.io.FileInputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.StringReader;
 import java.lang.reflect.Field;
 import java.net.URL;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.util.HashSet;
 import java.util.Set;
 import java.util.jar.Attributes;
 import java.util.jar.JarEntry;
 import java.util.jar.JarFile;
 import java.util.jar.JarInputStream;
 import java.util.jar.Manifest;
 import java.util.zip.ZipEntry;

 import org.apache.commons.io.FileUtils;
 import org.apache.commons.io.IOUtils;
 import org.apache.maven.artifact.DefaultArtifact;
 import org.apache.maven.artifact.handler.ArtifactHandler;
 import org.apache.maven.artifact.handler.manager.ArtifactHandlerManager;
 import org.apache.maven.artifact.resolver.ArtifactResolver;
 import org.apache.maven.execution.MavenSession;
 import org.apache.maven.model.Build;
 import org.apache.maven.project.MavenProject;
 import org.apache.sling.provisioning.model.Model;
 import org.apache.sling.provisioning.model.io.ModelReader;
 import org.codehaus.plexus.archiver.UnArchiver;
 import org.codehaus.plexus.archiver.manager.ArchiverManager;
 import org.junit.Test;
 import org.mockito.Mockito;

 import static org.junit.Assert.assertArrayEquals;
 import static org.junit.Assert.assertEquals;

 public class PreparePackageMojoTest {
     @Test
     public void testBSNRenaming() throws Exception {
         // Provide the system with some artifacts that are known to be in the local .m2 repo
         // These are explicitly included in the test section of the pom.xml
         PreparePackageMojo ppm = getMojoUnderTest(
                 "org.apache.sling/org.apache.sling.commons.classloader/1.3.2",
                 "org.apache.sling/org.apache.sling.commons.classloader/1.3.2/app",
                 "org.apache.sling/org.apache.sling.commons.johnzon/1.0.0");
         try {
             String modelTxt = "[feature name=:launchpad]\n" +
                     "[artifacts]\n" +
                     "  org.apache.sling/org.apache.sling.commons.classloader/1.3.2\n" +
                     "" +
                     "[feature name=rename_test]\n" +
                     "  org.apache.sling/org.apache.sling.commons.johnzon/1.0.0 [bundle:rename-bsn=r-foo.bar.renamed.sling.commons.johnzon]\n";

             Model model = ModelReader.read(new StringReader(modelTxt), null);
             ppm.execute(model);

             File orgJar = getMavenArtifactFile(getMavenRepoRoot(), "org.apache.sling", "org.apache.sling.commons.johnzon", "1.0.0");
             File generatedJar = new File(ppm.getTmpDir() + "/r-foo.bar.renamed.sling.commons.johnzon-1.0.0.jar");

             compareJarContents(orgJar, generatedJar);

             try (JarFile jfOrg = new JarFile(orgJar);
                 JarFile jfNew = new JarFile(generatedJar)) {
                 Manifest mfOrg = jfOrg.getManifest();
                 Manifest mfNew = jfNew.getManifest();

                 Attributes orgAttrs = mfOrg.getMainAttributes();
                 Attributes newAttrs = mfNew.getMainAttributes();
                 for (Object key : orgAttrs.keySet()) {
                     String orgVal = orgAttrs.getValue(key.toString());
                     String newVal = newAttrs.getValue(key.toString());

                     if ("Bundle-SymbolicName".equals(key.toString())) {
                         assertEquals("Should have recorded the original Bundle-SymbolicName",
                                 orgVal, newAttrs.getValue("X-Original-Bundle-SymbolicName"));

                         assertEquals("r-foo.bar.renamed.sling.commons.johnzon", newVal);
                     } else {
                         assertEquals("Different keys: " + key, orgVal, newVal);
                     }
                 }
             }
         } finally {
             FileUtils.deleteDirectory(new File(ppm.project.getBuild().getDirectory()));
         }
     }

     private static void compareJarContents(File orgJar, File actualJar) throws IOException {
         try (JarInputStream jis1 = new JarInputStream(new FileInputStream(orgJar));
             JarInputStream jis2 = new JarInputStream(new FileInputStream(actualJar))) {
             JarEntry je1 = null;
             while ((je1 = jis1.getNextJarEntry()) != null) {
                 if (je1.isDirectory())
                     continue;

                 JarEntry je2 = null;
                 while((je2 = jis2.getNextJarEntry()) != null) {
                     if (!je2.isDirectory())
                         break;
                 }

                 assertEquals(je1.getName(), je2.getName());
                 assertEquals(je1.getSize(), je2.getSize());

                 try {
                     byte[] buf1 = IOUtils.toByteArray(jis1);
                     byte[] buf2 = IOUtils.toByteArray(jis2);

                     assertArrayEquals("Contents not equal: " + je1.getName(), buf1, buf2);
                 } finally {
                     jis1.closeEntry();
                     jis2.closeEntry();
                 }
             }
         }
     }

     @Test
     public void testSubsystemBaseGeneration() throws Exception {
         // Provide the system with some artifacts that are known to be in the local .m2 repo
         // These are explicitly included in the test section of the pom.xml
         PreparePackageMojo ppm = getMojoUnderTest(
                 "org.apache.sling/org.apache.sling.commons.classloader/1.3.2",
                 "org.apache.sling/org.apache.sling.commons.classloader/1.3.2/app",
                 "org.apache.sling/org.apache.sling.commons.contentdetection/1.0.2",
                 "org.apache.sling/org.apache.sling.commons.johnzon/1.0.0",
                 "org.apache.sling/org.apache.sling.commons.mime/2.1.8",
                 "org.apache.sling/org.apache.sling.commons.osgi/2.3.0",
                 "org.apache.sling/org.apache.sling.commons.threads/3.2.0");

         try {
             // The launchpad feature is a prerequisite for the model
             String modelTxt =
                     "[feature name=:launchpad]\n" +
                     "[artifacts]\n" +
                     "  org.apache.sling/org.apache.sling.commons.classloader/1.3.2\n" +
                     "" +
                     "[feature name=test1 type=osgi.subsystem.composite]\n" +
                     "" +
                     "[:subsystem-manifest startLevel=123]\n" +
                     "  Subsystem-Description: Extra subsystem headers can go here including very long ones that would span multiple lines in a manifest\n" +
                     "  Subsystem-Copyright: (c) 2015 yeah!\n" +
                     "" +
                     "[artifacts]\n" +
                     "  org.apache.sling/org.apache.sling.commons.osgi/2.3.0\n" +
                     "" +
                     "[artifacts startLevel=10]\n" +
                     "  org.apache.sling/org.apache.sling.commons.johnzon/1.0.0\n" +
                     "  org.apache.sling/org.apache.sling.commons.mime/2.1.8\n" +
                     "" +
                     "[artifacts startLevel=20 runModes=foo,bar,:blah]\n" +
                     "  org.apache.sling/org.apache.sling.commons.threads/3.2.0\n" +
                     "" +
                     "[artifacts startLevel=100 runModes=bar]\n" +
                     "  org.apache.sling/org.apache.sling.commons.contentdetection/1.0.2\n";
             Model model = ModelReader.read(new StringReader(modelTxt), null);
             ppm.execute(model);

             File generatedFile = new File(ppm.getTmpDir() + "/test1.subsystem-base");
             try (JarFile jf = new JarFile(generatedFile)) {
                 // Test META-INF/MANIFEST.MF
                 Manifest mf = jf.getManifest();
                 Attributes attrs = mf.getMainAttributes();
                 String expected = "Potential_Bundles/0/org.apache.sling.commons.osgi-2.3.0.jar|"
                         + "Potential_Bundles/10/org.apache.sling.commons.johnzon-1.0.0.jar|"
                         + "Potential_Bundles/10/org.apache.sling.commons.mime-2.1.8.jar";
                 assertEquals(expected, attrs.getValue("_all_"));
                 assertEquals("Potential_Bundles/20/org.apache.sling.commons.threads-3.2.0.jar", attrs.getValue("foo"));
                 assertEquals("Potential_Bundles/20/org.apache.sling.commons.threads-3.2.0.jar|"
                         + "Potential_Bundles/100/org.apache.sling.commons.contentdetection-1.0.2.jar", attrs.getValue("bar"));

                 // Test SUBSYSTEM-MANIFEST-BASE.MF
                 ZipEntry smbZE = jf.getEntry("SUBSYSTEM-MANIFEST-BASE.MF");
                 try (InputStream smbIS = jf.getInputStream(smbZE)) {
                     Manifest smbMF = new Manifest(smbIS);
                     Attributes smbAttrs = smbMF.getMainAttributes();
                     assertEquals("test1", smbAttrs.getValue("Subsystem-SymbolicName"));
                     assertEquals("osgi.subsystem.composite", smbAttrs.getValue("Subsystem-Type"));
                     assertEquals("(c) 2015 yeah!", smbAttrs.getValue("Subsystem-Copyright"));
                     assertEquals("Extra subsystem headers can go here including very long ones "
                             + "that would span multiple lines in a manifest",
                             smbAttrs.getValue("Subsystem-Description"));
                 }

                 // Test embedded bundles
                 File mrr = getMavenRepoRoot();
                 File soj = getMavenArtifactFile(mrr, "org.apache.sling", "org.apache.sling.commons.osgi", "2.3.0");
                 ZipEntry sojZE = jf.getEntry("Potential_Bundles/0/org.apache.sling.commons.osgi-2.3.0.jar");
                 try (InputStream is = jf.getInputStream(sojZE)) {
                     assertArtifactsEqual(soj, is);
                 }

                 File sjj = getMavenArtifactFile(mrr, "org.apache.sling", "org.apache.sling.commons.johnzon", "1.0.0");
                 ZipEntry sjZE = jf.getEntry("Potential_Bundles/10/org.apache.sling.commons.johnzon-1.0.0.jar");
                 try (InputStream is = jf.getInputStream(sjZE)) {
                     assertArtifactsEqual(sjj, is);
                 }

                 File smj = getMavenArtifactFile(mrr, "org.apache.sling", "org.apache.sling.commons.mime", "2.1.8");
                 ZipEntry smjZE = jf.getEntry("Potential_Bundles/10/org.apache.sling.commons.mime-2.1.8.jar");
                 try (InputStream is = jf.getInputStream(smjZE)) {
                     assertArtifactsEqual(smj, is);
                 }

                 File stj = getMavenArtifactFile(mrr, "org.apache.sling", "org.apache.sling.commons.threads", "3.2.0");
                 ZipEntry stjZE = jf.getEntry("Potential_Bundles/20/org.apache.sling.commons.threads-3.2.0.jar");
                 try (InputStream is = jf.getInputStream(stjZE)) {
                     assertArtifactsEqual(stj, is);
                 }

                 File ctj = getMavenArtifactFile(mrr, "org.apache.sling", "org.apache.sling.commons.contentdetection", "1.0.2");
                 ZipEntry ctjZE = jf.getEntry("Potential_Bundles/100/org.apache.sling.commons.contentdetection-1.0.2.jar");
                 try (InputStream is = jf.getInputStream(ctjZE)) {
                     assertArtifactsEqual(ctj, is);
                 }
             }
         } finally {
             FileUtils.deleteDirectory(new File(ppm.project.getBuild().getDirectory()));
         }
     }

     private void assertArtifactsEqual(File f, InputStream is) throws IOException {
         byte[] bytes1 = Files.readAllBytes(f.toPath());
         byte[] bytes2 = IOUtils.toByteArray(is);
         assertArrayEquals("Bytes not equal on file " + f.getName(), bytes1, bytes2);
     }

     private PreparePackageMojo getMojoUnderTest(String ... knownArtifacts) throws Exception {
         File mrr = getMavenRepoRoot();

         ArtifactHandler ah = Mockito.mock(ArtifactHandler.class);
         ArtifactHandlerManager ahm = Mockito.mock(ArtifactHandlerManager.class);
         Mockito.when(ahm.getArtifactHandler(Mockito.anyString())).thenReturn(ah);

         Set<org.apache.maven.artifact.Artifact> artifacts = new HashSet<>();
         for (String s : knownArtifacts) {
             String[] parts = s.split("[/]");
             switch (parts.length) {
             case 3:
                 artifacts.add(getMavenArtifact(mrr, ah, parts[0], parts[1], parts[2]));
                 break;
             case 4:
                 artifacts.add(getMavenArtifact(mrr, ah, parts[0], parts[1], parts[2], parts[3]));
                 break;
             default: throw new IllegalStateException(s);
             }
         }

         MavenProject mavenPrj = new MavenProject();
         Build build = new Build();
         Path tempDir = Files.createTempDirectory(getClass().getSimpleName());
         build.setOutputDirectory(tempDir.toString());
         build.setDirectory(tempDir.toString());
         mavenPrj.setBuild(build);
         mavenPrj.setDependencyArtifacts(artifacts);

         PreparePackageMojo ppm = new PreparePackageMojo();
         ppm.mavenSession = Mockito.mock(MavenSession.class);
         ppm.project = mavenPrj;
         ArchiverManager am = Mockito.mock(ArchiverManager.class);
         UnArchiver ua = Mockito.mock(UnArchiver.class);
         Mockito.when(am.getUnArchiver(Mockito.isA(File.class))).thenReturn(ua);
         setPrivateField(ppm, "archiverManager", am);
         setPrivateField(ppm, "artifactHandlerManager", ahm);
         setPrivateField(ppm, "resolver", Mockito.mock(ArtifactResolver.class));
         return ppm;
     }

     private org.apache.maven.artifact.Artifact getMavenArtifact(File repoRoot, ArtifactHandler ah, String gid, String aid, String ver) {
         return getMavenArtifact(repoRoot, ah, gid, aid, ver, null);
     }

     private org.apache.maven.artifact.Artifact getMavenArtifact(File repoRoot, ArtifactHandler ah, String gid, String aid, String ver, String classifier) {
         DefaultArtifact art = new DefaultArtifact(gid, aid, ver, "compile", "jar", classifier, ah);
         art.setFile(getMavenArtifactFile(repoRoot, gid, aid, ver));
         return art;
     }

     private File getMavenArtifactFile(File repoRoot, String gid, String aid, String ver) {
         return new File(repoRoot, gid.replace('.', '/') + '/' + aid + '/' + ver + '/' + aid + '-' + ver + ".jar");
     }

     private File getMavenRepoRoot() throws IOException {
         URL res = getClass().getClassLoader().getResource(
                 Test.class.getName().replace('.', '/') + ".class");

         String u = res.toExternalForm();
         if (u.startsWith("jar:"))
             u = u.substring(4);

         int idx = u.indexOf("junit");
         if (idx < 0)
             throw new IllegalStateException("Cannot infer maven repo root: " + res);

         return new File(new URL(u.substring(0, idx)).getFile());
     }

     private void setPrivateField(Object obj, String name, Object val) throws Exception {
         Field f = obj.getClass().getDeclaredField(name);
         f.setAccessible(true);
         f.set(obj, val);
     }
 }
	/*
	* Licensed to the Apache Software Foundation (ASF) under one or more
	* contributor license agreements. See the NOTICE file distributed with
	* this work for additional information regarding copyright ownership.
	* The ASF licenses this file to You 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 org.apache.sling.maven.slingstart;

	import java.io.File;
	import java.io.FileInputStream;
	import java.io.IOException;
	import java.io.InputStream;
	import java.io.StringReader;
	import java.lang.reflect.Field;
	import java.net.URL;
	import java.nio.file.Files;
	import java.nio.file.Path;
	import java.util.HashSet;
	import java.util.Set;
	import java.util.jar.Attributes;
	import java.util.jar.JarEntry;
	import java.util.jar.JarFile;
	import java.util.jar.JarInputStream;
	import java.util.jar.Manifest;
	import java.util.zip.ZipEntry;

	import org.apache.commons.io.FileUtils;
	import org.apache.commons.io.IOUtils;
	import org.apache.maven.artifact.DefaultArtifact;
	import org.apache.maven.artifact.handler.ArtifactHandler;
	import org.apache.maven.artifact.handler.manager.ArtifactHandlerManager;
	import org.apache.maven.artifact.resolver.ArtifactResolver;
	import org.apache.maven.execution.MavenSession;
	import org.apache.maven.model.Build;
	import org.apache.maven.project.MavenProject;
	import org.apache.sling.provisioning.model.Model;
	import org.apache.sling.provisioning.model.io.ModelReader;
	import org.codehaus.plexus.archiver.UnArchiver;
	import org.codehaus.plexus.archiver.manager.ArchiverManager;
	import org.junit.Test;
	import org.mockito.Mockito;

	import static org.junit.Assert.assertArrayEquals;
	import static org.junit.Assert.assertEquals;

	public class PreparePackageMojoTest {
	@Test
	public void testBSNRenaming() throws Exception {
	// Provide the system with some artifacts that are known to be in the local .m2 repo
	// These are explicitly included in the test section of the pom.xml
	PreparePackageMojo ppm = getMojoUnderTest(
	"org.apache.sling/org.apache.sling.commons.classloader/1.3.2",
	"org.apache.sling/org.apache.sling.commons.classloader/1.3.2/app",
	"org.apache.sling/org.apache.sling.commons.johnzon/1.0.0");
	try {
	String modelTxt = "[feature name=:launchpad]\n" +
	"[artifacts]\n" +
	" org.apache.sling/org.apache.sling.commons.classloader/1.3.2\n" +
	"" +
	"[feature name=rename_test]\n" +
	" org.apache.sling/org.apache.sling.commons.johnzon/1.0.0 [bundle:rename-bsn=r-foo.bar.renamed.sling.commons.johnzon]\n";

	Model model = ModelReader.read(new StringReader(modelTxt), null);
	ppm.execute(model);

	File orgJar = getMavenArtifactFile(getMavenRepoRoot(), "org.apache.sling", "org.apache.sling.commons.johnzon", "1.0.0");
	File generatedJar = new File(ppm.getTmpDir() + "/r-foo.bar.renamed.sling.commons.johnzon-1.0.0.jar");

	compareJarContents(orgJar, generatedJar);

	try (JarFile jfOrg = new JarFile(orgJar);
	JarFile jfNew = new JarFile(generatedJar)) {
	Manifest mfOrg = jfOrg.getManifest();
	Manifest mfNew = jfNew.getManifest();

	Attributes orgAttrs = mfOrg.getMainAttributes();
	Attributes newAttrs = mfNew.getMainAttributes();
	for (Object key : orgAttrs.keySet()) {
	String orgVal = orgAttrs.getValue(key.toString());
	String newVal = newAttrs.getValue(key.toString());

	if ("Bundle-SymbolicName".equals(key.toString())) {
	assertEquals("Should have recorded the original Bundle-SymbolicName",
	orgVal, newAttrs.getValue("X-Original-Bundle-SymbolicName"));

	assertEquals("r-foo.bar.renamed.sling.commons.johnzon", newVal);
	} else {
	assertEquals("Different keys: " + key, orgVal, newVal);
	}
	}
	}
	} finally {
	FileUtils.deleteDirectory(new File(ppm.project.getBuild().getDirectory()));
	}
	}

	private static void compareJarContents(File orgJar, File actualJar) throws IOException {
	try (JarInputStream jis1 = new JarInputStream(new FileInputStream(orgJar));
	JarInputStream jis2 = new JarInputStream(new FileInputStream(actualJar))) {
	JarEntry je1 = null;
	while ((je1 = jis1.getNextJarEntry()) != null) {
	if (je1.isDirectory())
	continue;

	JarEntry je2 = null;
	while((je2 = jis2.getNextJarEntry()) != null) {
	if (!je2.isDirectory())
	break;
	}

	assertEquals(je1.getName(), je2.getName());
	assertEquals(je1.getSize(), je2.getSize());

	try {
	byte[] buf1 = IOUtils.toByteArray(jis1);
	byte[] buf2 = IOUtils.toByteArray(jis2);

	assertArrayEquals("Contents not equal: " + je1.getName(), buf1, buf2);
	} finally {
	jis1.closeEntry();
	jis2.closeEntry();
	}
	}
	}
	}

	@Test
	public void testSubsystemBaseGeneration() throws Exception {
	// Provide the system with some artifacts that are known to be in the local .m2 repo
	// These are explicitly included in the test section of the pom.xml
	PreparePackageMojo ppm = getMojoUnderTest(
	"org.apache.sling/org.apache.sling.commons.classloader/1.3.2",
	"org.apache.sling/org.apache.sling.commons.classloader/1.3.2/app",
	"org.apache.sling/org.apache.sling.commons.contentdetection/1.0.2",
	"org.apache.sling/org.apache.sling.commons.johnzon/1.0.0",
	"org.apache.sling/org.apache.sling.commons.mime/2.1.8",
	"org.apache.sling/org.apache.sling.commons.osgi/2.3.0",
	"org.apache.sling/org.apache.sling.commons.threads/3.2.0");

	try {
	// The launchpad feature is a prerequisite for the model
	String modelTxt =
	"[feature name=:launchpad]\n" +
	"[artifacts]\n" +
	" org.apache.sling/org.apache.sling.commons.classloader/1.3.2\n" +
	"" +
	"[feature name=test1 type=osgi.subsystem.composite]\n" +
	"" +
	"[:subsystem-manifest startLevel=123]\n" +
	" Subsystem-Description: Extra subsystem headers can go here including very long ones that would span multiple lines in a manifest\n" +
	" Subsystem-Copyright: (c) 2015 yeah!\n" +
	"" +
	"[artifacts]\n" +
	" org.apache.sling/org.apache.sling.commons.osgi/2.3.0\n" +
	"" +
	"[artifacts startLevel=10]\n" +
	" org.apache.sling/org.apache.sling.commons.johnzon/1.0.0\n" +
	" org.apache.sling/org.apache.sling.commons.mime/2.1.8\n" +
	"" +
	"[artifacts startLevel=20 runModes=foo,bar,:blah]\n" +
	" org.apache.sling/org.apache.sling.commons.threads/3.2.0\n" +
	"" +
	"[artifacts startLevel=100 runModes=bar]\n" +
	" org.apache.sling/org.apache.sling.commons.contentdetection/1.0.2\n";
	Model model = ModelReader.read(new StringReader(modelTxt), null);
	ppm.execute(model);

	File generatedFile = new File(ppm.getTmpDir() + "/test1.subsystem-base");
	try (JarFile jf = new JarFile(generatedFile)) {
	// Test META-INF/MANIFEST.MF
	Manifest mf = jf.getManifest();
	Attributes attrs = mf.getMainAttributes();
	String expected = "Potential_Bundles/0/org.apache.sling.commons.osgi-2.3.0.jar\|"
	+ "Potential_Bundles/10/org.apache.sling.commons.johnzon-1.0.0.jar\|"
	+ "Potential_Bundles/10/org.apache.sling.commons.mime-2.1.8.jar";
	assertEquals(expected, attrs.getValue("_all_"));
	assertEquals("Potential_Bundles/20/org.apache.sling.commons.threads-3.2.0.jar", attrs.getValue("foo"));
	assertEquals("Potential_Bundles/20/org.apache.sling.commons.threads-3.2.0.jar\|"
	+ "Potential_Bundles/100/org.apache.sling.commons.contentdetection-1.0.2.jar", attrs.getValue("bar"));

	// Test SUBSYSTEM-MANIFEST-BASE.MF
	ZipEntry smbZE = jf.getEntry("SUBSYSTEM-MANIFEST-BASE.MF");
	try (InputStream smbIS = jf.getInputStream(smbZE)) {
	Manifest smbMF = new Manifest(smbIS);
	Attributes smbAttrs = smbMF.getMainAttributes();
	assertEquals("test1", smbAttrs.getValue("Subsystem-SymbolicName"));
	assertEquals("osgi.subsystem.composite", smbAttrs.getValue("Subsystem-Type"));
	assertEquals("(c) 2015 yeah!", smbAttrs.getValue("Subsystem-Copyright"));
	assertEquals("Extra subsystem headers can go here including very long ones "
	+ "that would span multiple lines in a manifest",
	smbAttrs.getValue("Subsystem-Description"));
	}

	// Test embedded bundles
	File mrr = getMavenRepoRoot();
	File soj = getMavenArtifactFile(mrr, "org.apache.sling", "org.apache.sling.commons.osgi", "2.3.0");
	ZipEntry sojZE = jf.getEntry("Potential_Bundles/0/org.apache.sling.commons.osgi-2.3.0.jar");
	try (InputStream is = jf.getInputStream(sojZE)) {
	assertArtifactsEqual(soj, is);
	}

	File sjj = getMavenArtifactFile(mrr, "org.apache.sling", "org.apache.sling.commons.johnzon", "1.0.0");
	ZipEntry sjZE = jf.getEntry("Potential_Bundles/10/org.apache.sling.commons.johnzon-1.0.0.jar");
	try (InputStream is = jf.getInputStream(sjZE)) {
	assertArtifactsEqual(sjj, is);
	}

	File smj = getMavenArtifactFile(mrr, "org.apache.sling", "org.apache.sling.commons.mime", "2.1.8");
	ZipEntry smjZE = jf.getEntry("Potential_Bundles/10/org.apache.sling.commons.mime-2.1.8.jar");
	try (InputStream is = jf.getInputStream(smjZE)) {
	assertArtifactsEqual(smj, is);
	}

	File stj = getMavenArtifactFile(mrr, "org.apache.sling", "org.apache.sling.commons.threads", "3.2.0");
	ZipEntry stjZE = jf.getEntry("Potential_Bundles/20/org.apache.sling.commons.threads-3.2.0.jar");
	try (InputStream is = jf.getInputStream(stjZE)) {
	assertArtifactsEqual(stj, is);
	}

	File ctj = getMavenArtifactFile(mrr, "org.apache.sling", "org.apache.sling.commons.contentdetection", "1.0.2");
	ZipEntry ctjZE = jf.getEntry("Potential_Bundles/100/org.apache.sling.commons.contentdetection-1.0.2.jar");
	try (InputStream is = jf.getInputStream(ctjZE)) {
	assertArtifactsEqual(ctj, is);
	}
	}
	} finally {
	FileUtils.deleteDirectory(new File(ppm.project.getBuild().getDirectory()));
	}
	}

	private void assertArtifactsEqual(File f, InputStream is) throws IOException {
	byte[] bytes1 = Files.readAllBytes(f.toPath());
	byte[] bytes2 = IOUtils.toByteArray(is);
	assertArrayEquals("Bytes not equal on file " + f.getName(), bytes1, bytes2);
	}

	private PreparePackageMojo getMojoUnderTest(String ... knownArtifacts) throws Exception {
	File mrr = getMavenRepoRoot();

	ArtifactHandler ah = Mockito.mock(ArtifactHandler.class);
	ArtifactHandlerManager ahm = Mockito.mock(ArtifactHandlerManager.class);
	Mockito.when(ahm.getArtifactHandler(Mockito.anyString())).thenReturn(ah);

	Set<org.apache.maven.artifact.Artifact> artifacts = new HashSet<>();
	for (String s : knownArtifacts) {
	String[] parts = s.split("[/]");
	switch (parts.length) {
	case 3:
	artifacts.add(getMavenArtifact(mrr, ah, parts[0], parts[1], parts[2]));
	break;
	case 4:
	artifacts.add(getMavenArtifact(mrr, ah, parts[0], parts[1], parts[2], parts[3]));
	break;
	default: throw new IllegalStateException(s);
	}
	}

	MavenProject mavenPrj = new MavenProject();
	Build build = new Build();
	Path tempDir = Files.createTempDirectory(getClass().getSimpleName());
	build.setOutputDirectory(tempDir.toString());
	build.setDirectory(tempDir.toString());
	mavenPrj.setBuild(build);
	mavenPrj.setDependencyArtifacts(artifacts);

	PreparePackageMojo ppm = new PreparePackageMojo();
	ppm.mavenSession = Mockito.mock(MavenSession.class);
	ppm.project = mavenPrj;
	ArchiverManager am = Mockito.mock(ArchiverManager.class);
	UnArchiver ua = Mockito.mock(UnArchiver.class);
	Mockito.when(am.getUnArchiver(Mockito.isA(File.class))).thenReturn(ua);
	setPrivateField(ppm, "archiverManager", am);
	setPrivateField(ppm, "artifactHandlerManager", ahm);
	setPrivateField(ppm, "resolver", Mockito.mock(ArtifactResolver.class));
	return ppm;
	}

	private org.apache.maven.artifact.Artifact getMavenArtifact(File repoRoot, ArtifactHandler ah, String gid, String aid, String ver) {
	return getMavenArtifact(repoRoot, ah, gid, aid, ver, null);
	}

	private org.apache.maven.artifact.Artifact getMavenArtifact(File repoRoot, ArtifactHandler ah, String gid, String aid, String ver, String classifier) {
	DefaultArtifact art = new DefaultArtifact(gid, aid, ver, "compile", "jar", classifier, ah);
	art.setFile(getMavenArtifactFile(repoRoot, gid, aid, ver));
	return art;
	}

	private File getMavenArtifactFile(File repoRoot, String gid, String aid, String ver) {
	return new File(repoRoot, gid.replace('.', '/') + '/' + aid + '/' + ver + '/' + aid + '-' + ver + ".jar");
	}

	private File getMavenRepoRoot() throws IOException {
	URL res = getClass().getClassLoader().getResource(
	Test.class.getName().replace('.', '/') + ".class");

	String u = res.toExternalForm();
	if (u.startsWith("jar:"))
	u = u.substring(4);

	int idx = u.indexOf("junit");
	if (idx < 0)
	throw new IllegalStateException("Cannot infer maven repo root: " + res);

	return new File(new URL(u.substring(0, idx)).getFile());
	}

	private void setPrivateField(Object obj, String name, Object val) throws Exception {
	Field f = obj.getClass().getDeclaredField(name);
	f.setAccessible(true);
	f.set(obj, val);
	}
	}