/**
    * This file Copyright (c) 2015-2018 Magnolia International
    * Ltd.  (http://www.magnolia-cms.com). All rights reserved.
    *
    *
    * This file is dual-licensed under both the Magnolia
    * Network Agreement and the GNU General Public License.
    * You may elect to use one or the other of these licenses.
    *
   * This file is distributed in the hope that it will be
   * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
   * implied warranty of MERCHANTABILITY or FITNESS FOR A
   * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
   * Redistribution, except as permitted by whichever of the GPL
   * or MNA you select, is prohibited.
   *
   * 1. For the GPL license (GPL), you can redistribute and/or
   * modify this file under the terms of the GNU General
   * Public License, Version 3, as published by the Free Software
   * Foundation.  You should have received a copy of the GNU
   * General Public License, Version 3 along with this program;
   * if not, write to the Free Software Foundation, Inc., 51
   * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
   *
   * 2. For the Magnolia Network Agreement (MNA), this file
   * and the accompanying materials are made available under the
   * terms of the MNA which accompanies this distribution, and
   * is available at http://www.magnolia-cms.com/mna.html
   *
   * Any modifications to this file must keep this entire header
   * intact.
   *
   */
  package info.magnolia.templating.imaging;
  
  import static org.junit.Assert.*;
  import static org.mockito.Mockito.*;
  
  import info.magnolia.context.Context;
  import info.magnolia.context.MgnlContext;
  import info.magnolia.imaging.ImagingSupport;
  import info.magnolia.module.site.Site;
  import info.magnolia.module.site.theme.Theme;
  import info.magnolia.objectfactory.ComponentProvider;
  import info.magnolia.templating.imaging.parameters.ThemeAwareParameter;
  import info.magnolia.templating.imaging.parameters.ThemeAwareParameterProvider;
  import info.magnolia.test.ComponentsTestUtil;
  import info.magnolia.test.mock.MockComponentProvider;
  
  import java.awt.image.BufferedImage;
  import java.io.ByteArrayInputStream;
  import java.io.File;
  import java.util.HashMap;
  import java.util.Map;
  
  import javax.jcr.Binary;
  
  import org.apache.commons.io.FileUtils;
  import org.junit.After;
  import org.junit.Before;
  import org.junit.Test;
  
  /**
   * Tests for {@link info.magnolia.templating.imaging.ThemeAwareImageGenerator}.
   */
  public class ThemeAwareImageGeneratorTest {
  
      private ImagingSupport imagingSupport;
      private ThemeAwareParameterProvider provider;
      private ThemeAwareParameter parameter;
  
      @Before
      public void setUp() throws Exception {
  
          Context ctx = mock(Context.class);
          MgnlContext.setInstance(ctx);
  
          Theme theme = mock(Theme.class);
          imagingSupport = mock(ImagingSupport.class);
  
          DummyModule module = new DummyModule();
          module.addTheme("pop", theme);
  
          when(theme.getImaging()).thenReturn(imagingSupport);
  
          provider = mock(ThemeAwareParameterProvider.class);
          parameter = mock(ThemeAwareParameter.class);
  
          Binary binary = mock(Binary.class);
          File file = new File(getClass().getResource("/info/magnolia/templating/imaging/parameters/testImage.gif").getFile());
          when(binary.getStream()).thenReturn(new ByteArrayInputStream(FileUtils.readFileToByteArray(file)));
          when(parameter.getBinary()).thenReturn(binary);
          when(provider.getParameter()).thenReturn(parameter);
  
          ComponentsTestUtil.setInstance(DummyModule.class, module);
          ComponentsTestUtil.setImplementation(ComponentProvider.class, MockComponentProvider.class);
      }
  
      @After
     public void tearDown() {
         MgnlContext.setInstance(null);
         ComponentsTestUtil.clear();
     }
 
     @Test
     public void missingVariationReturnsOriginalImage() throws Exception {
         // GIVEN
         assertNull(parameter.getImageVariation());
 
         // WHEN
         BufferedImage image = new ThemeAwareImageGenerator().generate(provider);
 
         // THEN
         assertNotNull(image);
     }
 
     /**
      * DummyModule.
      */
     protected static class DummyModule {
         private Site site;
 
         private Map<String, Theme> themes = new HashMap<String, Theme>();
 
         public Site getSite() {
             return this.site;
         }
 
         public void setSite(Site site) {
             this.site = site;
         }
 
         public Map<String, Theme> getThemes() {
             return this.themes;
         }
 
         public void setThemes(Map<String, Theme> themes) {
             this.themes = themes;
         }
 
         public void addTheme(String name, Theme theme) {
             themes.put(name, theme);
         }
 
         public Theme getTheme(String name) {
             return getThemes().get(name);
         }
 
     }
 }