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JarTest.java
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JarTest.java
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package aQute.bnd.build;
import static org.junit.Assert.assertNull;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNotEquals;
import static org.junit.jupiter.api.Assertions.assertTrue;
import java.io.File;
import java.io.IOException;
import java.util.Collections;
import java.util.Objects;
import java.util.Set;
import java.util.jar.JarEntry;
import java.util.jar.JarFile;
import java.util.jar.Manifest;
import java.util.stream.Collectors;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.io.TempDir;
import aQute.bnd.classfile.ClassFile;
import aQute.bnd.classfile.builder.ModuleInfoBuilder;
import aQute.bnd.osgi.Constants;
import aQute.bnd.osgi.EmbeddedResource;
import aQute.bnd.osgi.Jar;
import aQute.bnd.osgi.ManifestResource;
import aQute.bnd.osgi.Resource;
import aQute.lib.io.ByteBufferDataOutput;
public class JarTest {
private static final String MODULE_INFO_PATH = "META-INF/versions/9/" + Constants.MODULE_INFO_CLASS;
private static final String MAIN_MANIFEST_PATH = JarFile.MANIFEST_NAME;
private static final String SUPPLEMENTAL_MANIFEST_PATH = "META-INF/versions/9/OSGI-INF/MANIFEST.MF";
private static final String TEST_CLASS_PATH = "a/test/package/Test.class";
private static final String VERSIONED_TEST_CLASS_PATH = "META-INF/versions/9/" + TEST_CLASS_PATH;
@TempDir
File tempDir;
@Test
public void testMultiReleaseJarResources() throws Exception {
File jarfile = new File(tempDir, "packed.jar");
try (Jar jar = new Jar("testme")) {
jar.setMultiRelease(true);
Resource java8Class = resource();
Resource java9Class = resource();
jar.putResource(TEST_CLASS_PATH, java8Class);
jar.putResource(VERSIONED_TEST_CLASS_PATH, java9Class);
// without release, content must be returned as-is
assertTrue(jar.isMultiRelease());
assertEquals(java8Class, jar.getResource(TEST_CLASS_PATH));
assertEquals(java9Class, jar.getResource(VERSIONED_TEST_CLASS_PATH));
// with release 9 set, we now should see the java 9 content
assertEquals(java9Class, jar.getVersionedResource(TEST_CLASS_PATH, 9)
.orElse(null));
// with a lower release we should get the java 8 content
assertEquals(java8Class, jar.getVersionedResource(TEST_CLASS_PATH, 8)
.orElse(null));
assertEquals(java8Class, jar.getVersionedResource(TEST_CLASS_PATH, -1)
.orElse(null));
assertEquals(java8Class, jar.getVersionedResource(TEST_CLASS_PATH, 4)
.orElse(null));
// with a higher release we should still get the java 9 content
assertEquals(java9Class, jar.getVersionedResource(TEST_CLASS_PATH, 10)
.orElse(null));
assertEquals(java9Class, jar.getVersionedResource(TEST_CLASS_PATH, 1000)
.orElse(null));
// if we write the jar out, all content should be present
jar.writeFolder(tempDir);
File defaultFile = new File(tempDir, TEST_CLASS_PATH);
assertTrue(defaultFile.isFile(), defaultFile.getAbsolutePath() + " is missing");
File versionedFile = new File(tempDir, VERSIONED_TEST_CLASS_PATH);
assertTrue(versionedFile.isFile(), versionedFile.getAbsolutePath() + " is missing");
jar.write(jarfile);
}
try (JarFile jar = new JarFile(jarfile)) {
Set<String> collect = Collections.list(jar.entries())
.stream()
.map(JarEntry::getName)
.collect(Collectors.toSet());
assertTrue(collect.contains(TEST_CLASS_PATH));
assertTrue(collect.contains(VERSIONED_TEST_CLASS_PATH));
assertTrue(Boolean.parseBoolean(jar.getManifest()
.getMainAttributes()
.getValue("Multi-Release")));
}
}
@Test
public void testMultiReleaseJaManifest() throws Exception {
try (Jar jar = new Jar("testme")) {
String defaultImport = "main.pkg.import";
String suplementalImport = "main.pkg.import,additional.package";
String ignoredValue = "This Must Be Ignored";
jar.putResource(MAIN_MANIFEST_PATH,
manifest("Multi-Release", "true", Constants.IMPORT_PACKAGE, defaultImport));
jar.putResource(SUPPLEMENTAL_MANIFEST_PATH, manifest(Constants.IMPORT_PACKAGE, suplementalImport,
Constants.BUNDLE_SYMBOLIC_NAME_ATTRIBUTE, ignoredValue));
assertTrue(jar.isMultiRelease());
Manifest mainManifest = Objects.requireNonNull(jar.getManifest());
Manifest versionedManifest = jar.getManifest(9)
.get();
assertNotEquals(mainManifest, versionedManifest);
assertEquals(defaultImport, mainManifest.getMainAttributes()
.getValue(Constants.IMPORT_PACKAGE));
assertEquals(suplementalImport, versionedManifest.getMainAttributes()
.getValue(Constants.IMPORT_PACKAGE));
assertNull(mainManifest.getMainAttributes()
.getValue(Constants.BUNDLE_SYMBOLIC_NAME_ATTRIBUTE));
assertNull(versionedManifest.getMainAttributes()
.getValue(Constants.BUNDLE_SYMBOLIC_NAME_ATTRIBUTE));
}
}
@Test
public void testMultiReleaseJaModule() throws Exception {
try (Jar jar = new Jar("testme")) {
jar.setMultiRelease(true);
String moduleName = "my.name";
String moduleVersion = "1.0.0";
jar.putResource(MODULE_INFO_PATH, module(moduleName, moduleVersion));
assertNull(jar.getModuleName());
assertEquals(moduleName, jar.getModuleName(9));
assertNull(jar.getModuleVersion());
assertEquals(moduleVersion, jar.getModuleVersion(9));
}
}
/**
* This test assumes the following layout:
*
* <pre>
* /Foo.class
* /Bar.class
* /META-INF/versions/9/Foo.class
* /META-INF/versions/11/Bar.class
* </pre>
*
* Calling
* <ul>
* <li>getVersionedResource(Foo.class, 11) - I would expect to get returned
* the resource at /META-INF/versions/9/Foo.class</li>
* <li>getVersionedResource(Bar.class, 9) - I would expect to get returned
* the resource at /Bar.class</li>
* </ul>
*
* @throws Exception
*/
@Test
public void testMultiReleaseJarMultipleResources() throws Exception {
try (Jar jar = new Jar("testme")) {
jar.setMultiRelease(true);
Resource Foo = resource();
Resource Bar = resource();
Resource Foo9 = resource();
Resource Bar11 = resource();
String fooPath = "Foo.class";
String barPath = "Bar.class";
jar.putResource(fooPath, Foo);
jar.putResource(barPath, Bar);
jar.putResource("META-INF/versions/9/"+fooPath, Foo9);
jar.putResource("META-INF/versions/11/"+barPath, Bar11);
assertEquals(Foo9, jar.getVersionedResource(fooPath, 11)
.get());
assertEquals(Bar, jar.getVersionedResource(barPath, 9)
.get());
}
}
private static Resource module(String moduleName, String moduleVersion) throws IOException {
ModuleInfoBuilder builder = new ModuleInfoBuilder().module_name(moduleName)
.module_version(moduleVersion)
.module_flags(0);
ClassFile build = builder.build();
ByteBufferDataOutput bbout = new ByteBufferDataOutput();
builder.build()
.write(bbout);
EmbeddedResource resource = new EmbeddedResource(bbout.toByteBuffer(), System.currentTimeMillis());
return resource;
}
private static Resource resource() {
return new aQute.bnd.osgi.EmbeddedResource(new byte[0], System.currentTimeMillis());
}
private static Resource manifest(String k1, String v1, String k2, String v2) {
Manifest manifest = new Manifest();
manifest.getMainAttributes()
.putValue(k1, v1);
manifest.getMainAttributes()
.putValue(k2, v2);
return new ManifestResource(manifest);
}
}