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Date: Tue, 07 Nov 2017 09:19:29 +0000
To: "commits@sling.apache.org" <commits@sling.apache.org>
Subject: [sling-org-apache-sling-commons-classloader] 02/21: Add simple
 junit test for dynamic class loading through package admin.
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From: rombert@apache.org
In-Reply-To: <151004636737.25049.2132311309169485277@gitbox.apache.org>
References: <151004636737.25049.2132311309169485277@gitbox.apache.org>
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archived-at: Tue, 07 Nov 2017 09:19:30 -0000

This is an automated email from the ASF dual-hosted git repository.

rombert pushed a commit to annotated tag org.apache.sling.commons.classloader-0.9.0
in repository https://gitbox.apache.org/repos/asf/sling-org-apache-sling-commons-classloader.git

commit 58366312eb8851b0659df8985905d09e00ef0137
Author: Carsten Ziegeler <cziegeler@apache.org>
AuthorDate: Tue Jul 14 11:35:44 2009 +0000

    Add simple junit test for dynamic class loading through package admin.
    
    git-svn-id: https://svn.apache.org/repos/asf/sling/trunk/contrib/commons/classloader@793858 13f79535-47bb-0310-9956-ffa450edef68
---
 pom.xml                                            |  9 +++
 .../commons/classloader/impl/ClassLoadingTest.java | 80 ++++++++++++++++++++++
 2 files changed, 89 insertions(+)

diff --git a/pom.xml b/pom.xml
index 87f1013..1071ee6 100644
--- a/pom.xml
+++ b/pom.xml
@@ -94,5 +94,14 @@
             <groupId>org.slf4j</groupId>
             <artifactId>slf4j-api</artifactId>
         </dependency>
+
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.jmock</groupId>
+            <artifactId>jmock-junit4</artifactId>
+        </dependency>
     </dependencies>
 </project>
diff --git a/src/test/java/org/apache/sling/commons/classloader/impl/ClassLoadingTest.java b/src/test/java/org/apache/sling/commons/classloader/impl/ClassLoadingTest.java
new file mode 100644
index 0000000..62f8862
--- /dev/null
+++ b/src/test/java/org/apache/sling/commons/classloader/impl/ClassLoadingTest.java
@@ -0,0 +1,80 @@
+/*
+ * 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.commons.classloader.impl;
+
+import junit.framework.Assert;
+
+import org.jmock.Expectations;
+import org.jmock.Mockery;
+import org.jmock.Sequence;
+import org.jmock.integration.junit4.JUnit4Mockery;
+import org.junit.Test;
+import org.osgi.framework.Bundle;
+import org.osgi.framework.BundleContext;
+import org.osgi.framework.ServiceListener;
+import org.osgi.service.packageadmin.ExportedPackage;
+import org.osgi.service.packageadmin.PackageAdmin;
+
+/**
+ * Simple test for the dynamic class loader.
+ */
+public class ClassLoadingTest {
+
+    protected Mockery context;
+
+    public ClassLoadingTest() {
+        this.context = new JUnit4Mockery();
+    }
+
+    /**
+     * This method tests the dynamic class loading through the package admin.
+     * The returned class changes from map to array list.
+     */
+    @Test public void testLoading() throws Exception {
+        final Sequence sequence = this.context.sequence("load-sequence");
+        final BundleContext bundleContext = this.context.mock(BundleContext.class);
+        final PackageAdmin packageAdmin = this.context.mock(PackageAdmin.class);
+        final ExportedPackage ep = this.context.mock(ExportedPackage.class);
+        final Bundle bundle = this.context.mock(Bundle.class);
+        this.context.checking(new Expectations() {{
+            allowing(bundleContext).createFilter(with(any(String.class)));
+            will(returnValue(null));
+            allowing(bundleContext).addServiceListener(with(any(ServiceListener.class)), with(any(String.class)));
+            allowing(bundleContext).removeServiceListener(with(any(ServiceListener.class)));
+            allowing(bundleContext).getServiceReferences(with(any(String.class)), with(any(String.class)));
+            will(returnValue(null));
+            allowing(packageAdmin).getExportedPackage("org.apache.sling.test");
+            will(returnValue(ep));
+            allowing(ep).getExportingBundle();
+            will(returnValue(bundle));
+            one(bundle).loadClass("org.apache.sling.test.A"); inSequence(sequence);
+            will(returnValue(java.util.Map.class));
+            one(bundle).loadClass("org.apache.sling.test.A"); inSequence(sequence);
+            will(returnValue(java.util.Map.class));
+            one(bundle).loadClass("org.apache.sling.test.A"); inSequence(sequence);
+            will(returnValue(java.util.ArrayList.class));
+        }});
+        DynamicClassLoaderManagerImpl manager = new DynamicClassLoaderManagerImpl(bundleContext, packageAdmin);
+        final ClassLoader cl = manager.getDynamicClassLoader();
+        final Class c1 = cl.loadClass("org.apache.sling.test.A");
+        Assert.assertEquals("java.util.Map", c1.getName());
+        final Class c2 = cl.loadClass("org.apache.sling.test.A");
+        Assert.assertEquals("java.util.Map", c2.getName());
+        final Class c3 = cl.loadClass("org.apache.sling.test.A");
+        Assert.assertEquals("java.util.ArrayList", c3.getName());
+    }
+}

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