install plugins in the right order

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

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+/**
+ * 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.collect.Lists;
+
+import org.junit.Test;
+
+import static org.junit.Assert.*;
+
+//~--- JDK imports ------------------------------------------------------------
+
+import java.util.Collections;
+import java.util.List;
+
+/**
+ *
+ * @author Sebastian Sdorra
+ */
+public class ExplodedSmpTest
+{
+
+  /**
+   * Method description
+   *
+   */
+  @Test
+  public void testCompareTo()
+  {
+    ExplodedSmp e1 = create("a", "c", "1", "a:a");
+    ExplodedSmp e3 = create("a", "a", "1");
+    ExplodedSmp e2 = create("a", "b", "1");
+    List<ExplodedSmp> es = list(e1, e2, e3);
+
+    is(es, 2, "c");
+  }
+
+  /**
+   * Method description
+   *
+   */
+  @Test(expected = PluginCircularDependencyException.class)
+  public void testCompareToCyclicDependency()
+  {
+    ExplodedSmp e1 = create("a", "a", "1", "a:c");
+    ExplodedSmp e2 = create("a", "b", "1");
+    ExplodedSmp e3 = create("a", "c", "1", "a:a");
+
+    list(e1, e2, e3);
+  }
+
+  /**
+   * Method description
+   *
+   */
+  @Test
+  public void testCompareToTransitiveDependencies()
+  {
+    ExplodedSmp e1 = create("a", "a", "1", "a:b");
+    ExplodedSmp e2 = create("a", "b", "1");
+    ExplodedSmp e3 = create("a", "c", "1", "a:a");
+
+    List<ExplodedSmp> es = list(e1, e2, e3);
+
+    is(es, 0, "b");
+    is(es, 1, "a");
+    is(es, 2, "c");
+  }
+
+  /**
+   * Method description
+   *
+   */
+  @Test
+  public void testMultipleDependencies()
+  {
+    ExplodedSmp e1 = create("a", "a", "1", "a:b", "a:c");
+    ExplodedSmp e2 = create("a", "b", "1", "a:c");
+    ExplodedSmp e3 = create("a", "c", "1");
+    List<ExplodedSmp> es = list(e1, e2, e3);
+
+    is(es, 2, "a");
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @param groupId
+   * @param artifactId
+   * @param version
+   * @param dependencies
+   *
+   * @return
+   */
+  private ExplodedSmp create(String groupId, String artifactId, String version,
+    String... dependencies)
+  {
+    return new ExplodedSmp(null, new PluginId(groupId, artifactId, version),
+      Lists.newArrayList(dependencies));
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @param e
+   *
+   * @return
+   */
+  private List<ExplodedSmp> list(ExplodedSmp... e)
+  {
+    List<ExplodedSmp> es = Lists.newArrayList(e);
+
+    Collections.sort(es);
+
+    return es;
+  }
+
+  //~--- get methods ----------------------------------------------------------
+
+  /**
+   * Method description
+   *
+   *
+   * @param es
+   * @param p
+   * @param a
+   */
+  private void is(List<ExplodedSmp> es, int p, String a)
+  {
+    assertEquals(a, es.get(p).getPluginId().getArtifactId());
+  }
+}