src/test/java/net/pterodactylus/sone/template/ImageLinkFilterTest.java

   1 /*
   2  * Sone - ImageLinkFilterTest.java - Copyright © 2013 David Roden
   3  *
   4  * This program is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation, either version 3 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 package net.pterodactylus.sone.template;
  19
  20 import static com.google.common.base.Optional.of;
  21 import static net.pterodactylus.util.template.TemplateContextFactory.getInstance;
  22 import static org.hamcrest.MatcherAssert.assertThat;
  23 import static org.hamcrest.Matchers.is;
  24 import static org.hamcrest.Matchers.nullValue;
  25 import static org.mockito.Matchers.eq;
  26 import static org.mockito.Mockito.mock;
  27 import static org.mockito.Mockito.when;
  28
  29 import java.util.Collections;
  30
  31 import net.pterodactylus.sone.data.Image;
  32 import net.pterodactylus.sone.data.Mocks;
  33 import net.pterodactylus.util.template.HtmlFilter;
  34 import net.pterodactylus.util.template.TemplateContextFactory;
  35
  36 import com.google.common.collect.ImmutableMap;
  37 import org.junit.Before;
  38 import org.junit.Test;
  39
  40 /**
  41  * Unit test for {@link ImageLinkFilter}.
  42  *
  43  * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
  44  */
  45 public class ImageLinkFilterTest {
  46
  47         private final Mocks mocks = new Mocks();
  48         private final TemplateContextFactory templateContextFactory = getInstance();
  49         private final ImageLinkFilter imageLinkFilter = new ImageLinkFilter(mocks.core, templateContextFactory);
  50
  51         @Before
  52         public void setup() {
  53                 templateContextFactory.addFilter("css", new CssClassNameFilter());
  54                 templateContextFactory.addFilter("html", new HtmlFilter());
  55         }
  56
  57         @Test
  58         public void nullImageReturnsANullLink() {
  59                 assertThat(imageLinkFilter.format(null, null, Collections.<String, Object>emptyMap()), nullValue());
  60         }
  61
  62         @Test
  63         public void linkForAnImageWithoutAdditionalParametersIsGenerated() {
  64                 Image image = createImage("ImageId", "KSK@foo.png", "Title", "Description", 640, 480);
  65                 String link = (String) imageLinkFilter.format(null, image, Collections.<String, Object>emptyMap());
  66                 assertThat(link, is("<img src=\"/KSK@foo.png?forcedownload=true\" alt=\"Description\" title=\"Title\" width=\"640\" height=\"480\" style=\"position: relative;\"/>"));
  67         }
  68
  69         @Test
  70         public void overridingTheTitleChangesBothAltAndTitleAttributes() {
  71                 Image image = createImage("ImageId", "KSK@foo.png", "Title", "Description", 640, 480);
  72                 String link = (String) imageLinkFilter.format(null, image, ImmutableMap.<String, Object>of("title", "Other Title"));
  73                 assertThat(link, is("<img src=\"/KSK@foo.png?forcedownload=true\" alt=\"Other Title\" title=\"Other Title\" width=\"640\" height=\"480\" style=\"position: relative;\"/>"));
  74         }
  75
  76         @Test
  77         public void classAttributeIsFilteredAndSet() {
  78                 Image image = createImage("ImageId", "KSK@foo.png", "Title", "Description", 640, 480);
  79                 String link = (String) imageLinkFilter.format(null, image, ImmutableMap.<String, Object>of("class", "some class"));
  80                 assertThat(link, is("<img class=\"some_class\" src=\"/KSK@foo.png?forcedownload=true\" alt=\"Description\" title=\"Title\" width=\"640\" height=\"480\" style=\"position: relative;\"/>"));
  81         }
  82
  83         @Test
  84         public void resizingImageToHalfItsSize() {
  85                 Image image = createImage("ImageId", "KSK@foo.png", "Title", "Description", 640, 480);
  86                 String link = (String) imageLinkFilter.format(null, image, ImmutableMap.<String, Object>of("max-width", "320", "max-height", "320"));
  87                 assertThat(link, is("<img src=\"/KSK@foo.png?forcedownload=true\" alt=\"Description\" title=\"Title\" width=\"320\" height=\"240\" style=\"position: relative;\"/>"));
  88         }
  89
  90         @Test
  91         public void enlargingAnImage() {
  92                 Image image = createImage("ImageId", "KSK@foo.png", "Title", "Description", 640, 480);
  93                 String link = (String) imageLinkFilter.format(null, image, ImmutableMap.<String, Object>of("mode", "enlarge", "max-width", "960", "max-height", "960"));
  94                 assertThat(link, is("<img src=\"/KSK@foo.png?forcedownload=true\" alt=\"Description\" title=\"Title\" width=\"1280\" height=\"960\" style=\"position: relative;top: 0px;left: -160px;\"/>"));
  95         }
  96
  97         @Test
  98         public void notInsertedImage() {
  99                 Image image = createNotInsertedImage("ImageId", "KSK@foo.png", "Title", "Description", 640, 480);
 100                 String link = (String) imageLinkFilter.format(null, image, Collections.<String, Object>emptyMap());
 101                 assertThat(link, is("<img src=\"getImage.html?image=ImageId\" alt=\"Description\" title=\"Title\" width=\"640\" height=\"480\" style=\"position: relative;\"/>"));
 102         }
 103
 104         @Test
 105         public void creatingALinkFromAnImageId() {
 106                 Image image = createImage("ImageId", "KSK@foo.png", "Title", "Description", 640, 480);
 107                 when(mocks.core.getImage(eq("ImageId"))).thenReturn(of(image));
 108                 String link = (String) imageLinkFilter.format(null, image.getId(), Collections.<String, Object>emptyMap());
 109                 assertThat(link, is("<img src=\"/KSK@foo.png?forcedownload=true\" alt=\"Description\" title=\"Title\" width=\"640\" height=\"480\" style=\"position: relative;\"/>"));
 110         }
 111
 112         private Image createNotInsertedImage(String id, String key, String title, String description, int width, int height) {
 113                 Image image = createBasicImage(id, key, title, description, width, height);
 114                 when(image.isInserted()).thenReturn(false);
 115                 return image;
 116         }
 117
 118         private Image createImage(String id, String key, String title, String description, int width, int height) {
 119                 Image image = createBasicImage(id, key, title, description, width, height);
 120                 when(image.isInserted()).thenReturn(true);
 121                 return image;
 122         }
 123
 124         private Image createBasicImage(String id, String key, String title, String description, int width, int height) {
 125                 Image image = mock(Image.class);
 126                 when(image.getId()).thenReturn(id);
 127                 when(image.getKey()).thenReturn(key);
 128                 when(image.getTitle()).thenReturn(title);
 129                 when(image.getDescription()).thenReturn(description);
 130                 when(image.getWidth()).thenReturn(width);
 131                 when(image.getHeight()).thenReturn(height);
 132                 return image;
 133         }
 134
 135 }