mirror of
https://github.com/scm-manager/scm-manager.git
synced 2025-11-16 18:26:16 +01:00
added unit test for PluginProcessor
This commit is contained in:
Sebastian Sdorra
@@ -27,28 +27,380 @@
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*
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*/
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package sonia.scm.plugin;
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import java.io.IOException;
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import org.junit.Test;
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import static org.junit.Assert.*;
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//~--- non-JDK imports --------------------------------------------------------
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import com.google.common.base.Charsets;
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import com.google.common.base.Predicate;
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import com.google.common.collect.Iterables;
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import com.google.common.io.Resources;
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import org.junit.Before;
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import org.junit.Rule;
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import org.junit.Test;
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import org.junit.rules.TemporaryFolder;
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import static org.hamcrest.Matchers.*;
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import static org.junit.Assert.*;
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//~--- JDK imports ------------------------------------------------------------
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.OutputStream;
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import java.lang.reflect.InvocationTargetException;
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import java.net.URL;
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import java.util.Set;
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/**
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*
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* @author Sebastian Sdorra
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*/
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public class PluginProcessorTest
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{
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/** Field description */
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private static final PluginResource PLUGIN_A =
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new PluginResource("sonia/scm/plugin/scm-a-plugin.smp", "scm-a-plugin.smp",
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"sonia.scm.plugins:scm-a-plugin:1.0.0-SNAPSHOT");
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/** Field description */
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private static final PluginResource PLUGIN_B =
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new PluginResource("sonia/scm/plugin/scm-b-plugin.smp", "scm-b-plugin.smp",
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"sonia.scm.plugins:scm-b-plugin:1.0.0-SNAPSHOT");
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/** Field description */
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private static final PluginResource PLUGIN_C =
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new PluginResource("sonia/scm/plugin/scm-c-plugin.smp", "scm-c-plugin.smp",
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"sonia.scm.plugins:scm-c-plugin:1.0.0-SNAPSHOT");
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/** Field description */
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private static final PluginResource PLUGIN_D =
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new PluginResource("sonia/scm/plugin/scm-d-plugin.smp", "scm-d-plugin.smp",
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"sonia.scm.plugins:scm-d-plugin:1.0.0-SNAPSHOT");
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/** Field description */
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private static final PluginResource PLUGIN_E =
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new PluginResource("sonia/scm/plugin/scm-e-plugin.smp", "scm-e-plugin.smp",
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"sonia.scm.plugins:scm-e-plugin:1.0.0-SNAPSHOT");
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//~--- methods --------------------------------------------------------------
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/**
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* Method description
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*
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*
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* @throws IOException
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*/
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@Test(expected = PluginCircularDependencyException.class)
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public void testCircularDependencies() throws IOException
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{
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copySmps(PLUGIN_C, PLUGIN_D, PLUGIN_E);
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collectPlugins();
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}
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/**
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* Method description
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*
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*
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* @throws IOException
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*/
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@Test
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public void testCollectPlugins() throws IOException
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{
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copySmp(PLUGIN_A);
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PluginWrapper plugin = collectAndGetFirst();
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assertThat(plugin.getId(), is(PLUGIN_A.id));
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}
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/**
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* Method description
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*
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*
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* @throws IOException
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*/
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@Test
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public void testCollectPluginsWithDependencies() throws IOException
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{
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copySmps(PLUGIN_A, PLUGIN_B);
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Set<PluginWrapper> plugins = collectPlugins();
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assertThat(plugins, hasSize(2));
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PluginWrapper a = findPlugin(plugins, PLUGIN_A.id);
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assertNotNull(a);
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PluginWrapper b = findPlugin(plugins, PLUGIN_B.id);
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assertNotNull(b);
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}
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/**
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* Method description
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*
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*
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* @throws ClassNotFoundException
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* @throws IOException
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* @throws IllegalAccessException
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* @throws IllegalArgumentException
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* @throws InstantiationException
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* @throws InvocationTargetException
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* @throws NoSuchMethodException
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*/
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@Test
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public void testPluginClassLoader()
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throws IOException, ClassNotFoundException, InstantiationException,
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IllegalAccessException, NoSuchMethodException, IllegalArgumentException,
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InvocationTargetException
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{
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copySmp(PLUGIN_A);
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PluginWrapper plugin = collectAndGetFirst();
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ClassLoader cl = plugin.getClassLoader();
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// load parent class
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Class<?> clazz = cl.loadClass(PluginResource.class.getName());
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assertSame(PluginResource.class, clazz);
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// load packaged class
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clazz = cl.loadClass("sonia.scm.plugins.HelloService");
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assertNotNull(clazz);
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Object instance = clazz.newInstance();
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Object result = clazz.getMethod("sayHello").invoke(instance);
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assertEquals("hello", result);
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}
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/**
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* Method description
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*
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*
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* @throws ClassNotFoundException
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* @throws IOException
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* @throws IllegalAccessException
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* @throws IllegalArgumentException
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* @throws InstantiationException
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* @throws InvocationTargetException
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* @throws NoSuchMethodException
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*/
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@Test
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public void testPluginClassLoaderWithDependencies()
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throws IOException, ClassNotFoundException, InstantiationException,
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IllegalAccessException, NoSuchMethodException, IllegalArgumentException,
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InvocationTargetException
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{
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copySmps(PLUGIN_A, PLUGIN_B);
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Set<PluginWrapper> plugins = collectPlugins();
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PluginWrapper plugin = findPlugin(plugins, PLUGIN_B.id);
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ClassLoader cl = plugin.getClassLoader();
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// load parent class
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Class<?> clazz = cl.loadClass(PluginResource.class.getName());
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assertSame(PluginResource.class, clazz);
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// load packaged class
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clazz = cl.loadClass("sonia.scm.plugins.HelloAgainService");
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assertNotNull(clazz);
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Object instance = clazz.newInstance();
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Object result = clazz.getMethod("sayHelloAgain").invoke(instance);
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assertEquals("hello again", result);
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}
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/**
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* Method description
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*
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*
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* @throws IOException
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*/
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@Test
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public void testPluginWebResourceLoader() throws IOException
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{
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copySmp(PLUGIN_A);
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PluginWrapper plugin = collectAndGetFirst();
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WebResourceLoader wrl = plugin.getWebResourceLoader();
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assertNotNull(wrl);
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URL url = wrl.getResource("hello");
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assertNotNull(url);
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assertThat(Resources.toString(url, Charsets.UTF_8), is("hello"));
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}
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//~--- set methods ----------------------------------------------------------
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/**
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* Method description
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*
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*
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* @throws IOException
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*/
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@Before
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public void setUp() throws IOException
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{
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pluginDirectory = temp.newFolder();
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processor = new PluginProcessor(pluginDirectory.toPath());
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}
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//~--- methods --------------------------------------------------------------
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/**
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* Method description
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*
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*
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* @return
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*
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* @throws IOException
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*/
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private PluginWrapper collectAndGetFirst() throws IOException
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{
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Set<PluginWrapper> plugins = collectPlugins();
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assertThat(plugins, hasSize(1));
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return Iterables.get(plugins, 0);
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}
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/**
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* Method description
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*
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*
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* @return
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*
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* @throws IOException
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*/
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private Set<PluginWrapper> collectPlugins() throws IOException
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{
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return processor.collectPlugins(PluginProcessorTest.class.getClassLoader());
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}
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/**
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* Method description
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*
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*
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* @param plugin
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*
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* @throws IOException
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*/
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private void copySmp(PluginResource plugin) throws IOException
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{
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URL resource = Resources.getResource(plugin.path);
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File file = new File(pluginDirectory, plugin.name);
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try (OutputStream out = new FileOutputStream(file))
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{
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Resources.copy(resource, out);
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}
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}
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/**
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* Method description
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*
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*
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* @param plugins
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*
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* @throws IOException
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*/
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private void copySmps(PluginResource... plugins) throws IOException
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{
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for (PluginResource plugin : plugins)
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{
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copySmp(plugin);
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}
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}
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/**
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* Method description
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*
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*
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* @param plugin
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* @param id
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*
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* @return
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*/
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private PluginWrapper findPlugin(Iterable<PluginWrapper> plugin,
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final String id)
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{
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return Iterables.find(plugin, new Predicate<PluginWrapper>()
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{
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@Override
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public boolean apply(PluginWrapper input)
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{
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return id.equals(input.getId());
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}
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});
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}
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//~--- inner classes --------------------------------------------------------
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/**
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* Class description
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*
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*
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* @version Enter version here..., 14/12/06
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* @author Enter your name here...
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*/
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private static class PluginResource
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{
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/**
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* Constructs ...
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*
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*
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* @param path
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* @param name
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* @param id
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*/
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public PluginResource(String path, String name, String id)
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{
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this.path = path;
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this.name = name;
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this.id = id;
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}
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//~--- fields -------------------------------------------------------------
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/** Field description */
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private final String id;
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/** Field description */
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private final String name;
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/** Field description */
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private final String path;
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}
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//~--- fields ---------------------------------------------------------------
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/** Field description */
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@Rule
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public TemporaryFolder temp = new TemporaryFolder();
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@Test
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public void testBuildPluginTree() throws IOException
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{
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PluginProcessor processor = new PluginProcessor(temp.newFolder().toPath());
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}
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/** Field description */
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private File pluginDirectory;
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/** Field description */
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private PluginProcessor processor;
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}
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