added unit tests for GuavaCacheConfigurationReader

scm-webapp/src/test/java/sonia/scm/cache/CacheConfigurationTestLoader.java

@@ -0,0 +1,239 @@
+/**
+ * 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.cache;
+
+//~--- non-JDK imports --------------------------------------------------------
+
+import com.google.common.base.Function;
+import com.google.common.collect.Iterators;
+import com.google.common.io.Files;
+import com.google.common.io.Resources;
+
+import org.junit.rules.TemporaryFolder;
+
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+
+//~--- JDK imports ------------------------------------------------------------
+
+import java.io.File;
+import java.io.IOException;
+
+import java.net.URL;
+
+import java.util.Iterator;
+
+/**
+ *
+ * @author Sebastian Sdorra
+ */
+public class CacheConfigurationTestLoader implements CacheConfigurationLoader
+{
+
+  /**
+   * Constructs ...
+   *
+   *
+   * @param tempFolder
+   */
+  public CacheConfigurationTestLoader(TemporaryFolder tempFolder)
+  {
+    this.tempFolder = tempFolder;
+  }
+
+  /**
+   * Constructs ...
+   *
+   *
+   *
+   * @param tempFolder
+   * @param defaultConfiguration
+   */
+  public CacheConfigurationTestLoader(TemporaryFolder tempFolder,
+    String defaultConfiguration)
+  {
+    this.tempFolder = tempFolder;
+    this.defaultConfiguration = defaultConfiguration;
+  }
+
+  /**
+   * Constructs ...
+   *
+   *
+   *
+   * @param tempFolder
+   * @param defaultConfiguration
+   * @param moduleConfigurations
+   */
+  public CacheConfigurationTestLoader(TemporaryFolder tempFolder,
+    String defaultConfiguration, Iterator<String> moduleConfigurations)
+  {
+    this.tempFolder = tempFolder;
+    this.defaultConfiguration = defaultConfiguration;
+    this.moduleConfigurations = moduleConfigurations;
+  }
+
+  /**
+   * Constructs ...
+   *
+   *
+   *
+   * @param tempFolder
+   * @param defaultConfiguration
+   * @param moduleConfigurations
+   * @param manualConfiguration
+   */
+  public CacheConfigurationTestLoader(TemporaryFolder tempFolder,
+    String defaultConfiguration, Iterator<String> moduleConfigurations,
+    String manualConfiguration)
+  {
+    this.tempFolder = tempFolder;
+    this.defaultConfiguration = defaultConfiguration;
+    this.moduleConfigurations = moduleConfigurations;
+    this.manualConfiguration = manualConfiguration;
+  }
+
+  //~--- get methods ----------------------------------------------------------
+
+  /**
+   * Method description
+   *
+   *
+   * @return
+   */
+  @Override
+  public URL getDefaultResource()
+  {
+    URL url = null;
+
+    if (defaultConfiguration != null)
+    {
+      url = getResource(defaultConfiguration);
+    }
+
+    return url;
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @return
+   */
+  @Override
+  public File getManualFileResource()
+  {
+    File file;
+
+    if (manualConfiguration == null)
+    {
+      file = mock(File.class);
+      when(file.exists()).thenReturn(Boolean.FALSE);
+    }
+    else
+    {
+      try
+      {
+        file = tempFolder.newFile();
+
+        URL manual = getResource(manualConfiguration);
+
+        Files.copy(Resources.newInputStreamSupplier(manual), file);
+      }
+      catch (IOException ex)
+      {
+        throw new RuntimeException("could not create manual config file", ex);
+      }
+    }
+
+    return file;
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @return
+   */
+  @Override
+  public Iterator<URL> getModuleResources()
+  {
+    Iterator<URL> urlIterator;
+
+    if (moduleConfigurations == null)
+    {
+      urlIterator = Iterators.emptyIterator();
+    }
+    else
+    {
+      urlIterator = Iterators.transform(moduleConfigurations,
+        new Function<String, URL>()
+      {
+
+        @Override
+        public URL apply(String resource)
+        {
+          return getResource(resource);
+        }
+      });
+    }
+
+    return urlIterator;
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @param name
+   *
+   * @return
+   */
+  private URL getResource(String name)
+  {
+    return Resources.getResource("sonia/scm/cache/".concat(name));
+  }
+
+  //~--- fields ---------------------------------------------------------------
+
+  /** Field description */
+  private String defaultConfiguration;
+
+  /** Field description */
+  private String manualConfiguration;
+
+  /** Field description */
+  private Iterator<String> moduleConfigurations;
+
+  /** Field description */
+  private TemporaryFolder tempFolder;
+}