build plugin tree

scm-webapp/src/test/java/sonia/scm/plugin/PluginTreeTest.java

@@ -0,0 +1,268 @@
+/**
+ * Copyright (c) 2010, Sebastian Sdorra All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer. 2. Redistributions in
+ * binary form must reproduce the above copyright notice, this list of
+ * conditions and the following disclaimer in the documentation and/or other
+ * materials provided with the distribution. 3. Neither the name of SCM-Manager;
+ * nor the names of its contributors may be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * http://bitbucket.org/sdorra/scm-manager
+ *
+ */
+
+
+
+package sonia.scm.plugin;
+
+//~--- non-JDK imports --------------------------------------------------------
+
+import com.google.common.base.Function;
+import com.google.common.collect.Lists;
+
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.TemporaryFolder;
+
+import static org.hamcrest.Matchers.*;
+
+import static org.junit.Assert.*;
+
+//~--- JDK imports ------------------------------------------------------------
+
+import java.io.IOException;
+
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+
+/**
+ *
+ * @author Sebastian Sdorra
+ */
+public class PluginTreeTest
+{
+
+  /**
+   * Method description
+   *
+   *
+   * @throws IOException
+   */
+  @Test(expected = PluginConditionFailedException.class)
+  public void testPluginConditionFailed() throws IOException
+  {
+    PluginCondition condition = new PluginCondition("999",
+                                  new ArrayList<String>(), "hit");
+    Plugin plugin = new Plugin(createInfo("a", "b", "1"), null, condition,
+                      null);
+    ExplodedSmp smp = createSmp(plugin);
+
+    new PluginTree(smp).getRootNodes();
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @throws IOException
+   */
+  @Test(expected = PluginNotInstalledException.class)
+  public void testPluginNotInstalled() throws IOException
+  {
+    new PluginTree(createSmpWithDependency("b", "a")).getRootNodes();
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @throws IOException
+   */
+  @Test
+  public void testRootNotes() throws IOException
+  {
+    List<ExplodedSmp> smps = createSmps("a", "b", "c");
+    List<String> nodes = unwrapIds(new PluginTree(smps).getRootNodes());
+
+    assertThat(nodes, containsInAnyOrder("a:a", "b:b", "c:c"));
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @throws IOException
+   */
+  @Test
+  public void testSimpleDependencies() throws IOException
+  {
+    //J-
+    ExplodedSmp[] smps = new ExplodedSmp[] { 
+      createSmpWithDependency("a"),
+      createSmpWithDependency("b", "a"),
+      createSmpWithDependency("c", "a", "b") 
+    };
+    //J+
+
+    PluginTree tree = new PluginTree(smps);
+    List<PluginNode> rootNodes = tree.getRootNodes();
+
+    assertThat(unwrapIds(rootNodes), containsInAnyOrder("a:a"));
+
+    PluginNode a = rootNodes.get(0);
+
+    assertThat(unwrapIds(a.getChildren()), containsInAnyOrder("b:b", "c:c"));
+
+    PluginNode b = a.getChild("b:b");
+
+    assertThat(unwrapIds(b.getChildren()), containsInAnyOrder("c:c"));
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @param groupId
+   * @param artifactId
+   * @param version
+   *
+   * @return
+   */
+  private PluginInformation createInfo(String groupId, String artifactId,
+    String version)
+  {
+    PluginInformation info = new PluginInformation();
+
+    info.setGroupId(groupId);
+    info.setArtifactId(artifactId);
+    info.setVersion(version);
+
+    return info;
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @param plugin
+   *
+   * @return
+   *
+   * @throws IOException
+   */
+  private ExplodedSmp createSmp(Plugin plugin) throws IOException
+  {
+    return new ExplodedSmp(tempFolder.newFile().toPath(), plugin);
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @param name
+   *
+   * @return
+   *
+   * @throws IOException
+   */
+  private ExplodedSmp createSmp(String name) throws IOException
+  {
+    return createSmp(new Plugin(createInfo(name, name, "1.0.0"), null, null,
+      null));
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @param name
+   * @param dependencies
+   *
+   * @return
+   *
+   * @throws IOException
+   */
+  private ExplodedSmp createSmpWithDependency(String name,
+    String... dependencies)
+    throws IOException
+  {
+    Set<String> dependencySet = new HashSet<>();
+
+    for (String d : dependencies)
+    {
+      dependencySet.add(d.concat(":").concat(d));
+    }
+
+    Plugin plugin = new Plugin(createInfo(name, name, "1"), null, null,
+                      dependencySet);
+
+    return createSmp(plugin);
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @param names
+   *
+   * @return
+   *
+   * @throws IOException
+   */
+  private List<ExplodedSmp> createSmps(String... names) throws IOException
+  {
+    List<ExplodedSmp> smps = Lists.newArrayList();
+
+    for (String name : names)
+    {
+      smps.add(createSmp(name));
+    }
+
+    return smps;
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @param nodes
+   *
+   * @return
+   */
+  private List<String> unwrapIds(List<PluginNode> nodes)
+  {
+    return Lists.transform(nodes, new Function<PluginNode, String>()
+    {
+
+      @Override
+      public String apply(PluginNode input)
+      {
+        return input.getId();
+      }
+    });
+  }
+
+  //~--- fields ---------------------------------------------------------------
+
+  /** Field description */
+  @Rule
+  public TemporaryFolder tempFolder = new TemporaryFolder();
+}