gson-comments/gson/src/test/java/com/google/gson/regression/OSGiTest.java

71 lines
2.7 KiB
Java

/*
* Copyright (C) 2016 Google Inc.
*
* 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
*
* 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 com.google.gson.regression;
import java.io.InputStream;
import java.io.IOException;
import java.net.URL;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.jar.Manifest;
import junit.framework.TestCase;
public class OSGiTest extends TestCase {
public void testComGoogleGsonAnnotationsPackage() throws Exception {
Manifest mf = findManifest("com.google.gson");
String importPkg = mf.getMainAttributes().getValue("Import-Package");
assertNotNull("Import-Package statement is there", importPkg);
assertSubstring("There should be com.google.gson.annotations dependency", importPkg, "com.google.gson.annotations");
}
public void testSunMiscImportPackage() throws Exception {
Manifest mf = findManifest("com.google.gson");
String importPkg = mf.getMainAttributes().getValue("Import-Package");
assertNotNull("Import-Package statement is there", importPkg);
for (String dep : importPkg.split(",")) {
if (dep.contains("sun.misc")) {
assertSubstring("sun.misc import is optional", dep, "resolution:=optional");
return;
}
}
fail("There should be sun.misc dependency, but was: " + importPkg);
}
private Manifest findManifest(String pkg) throws IOException {
List<URL> urls = new ArrayList<>();
for (URL u : Collections.list(getClass().getClassLoader().getResources("META-INF/MANIFEST.MF"))) {
InputStream is = u.openStream();
Manifest mf = new Manifest(is);
is.close();
if (pkg.equals(mf.getMainAttributes().getValue("Bundle-SymbolicName"))) {
return mf;
}
urls.add(u);
}
fail("Cannot find " + pkg + " OSGi bundle manifest among: " + urls);
return null;
}
private static void assertSubstring(String msg, String wholeText, String subString) {
if (wholeText.contains(subString)) {
return;
}
fail(msg + ". Expecting " + subString + " but was: " + wholeText);
}
}