1183 Update feed item image

core/src/androidTest/java/de/danoeh/antennapod/core/feed/FeedItemMother.java

@@ -0,0 +1,16 @@
+package de.danoeh.antennapod.core.feed;
+
+import java.util.Date;
+
+import static de.danoeh.antennapod.core.feed.FeedImageMother.anyFeedImage;
+import static de.danoeh.antennapod.core.feed.FeedMother.anyFeed;
+
+class FeedItemMother {
+
+    static FeedItem anyFeedItemWithImage() {
+        FeedItem item = new FeedItem(0, "Item", "Item", "url", new Date(), FeedItem.PLAYED, anyFeed());
+        item.setImage(anyFeedImage());
+        return item;
+    }
+
+}

core/src/androidTest/java/de/danoeh/antennapod/core/feed/FeedItemTest.java

@@ -0,0 +1,65 @@
+package de.danoeh.antennapod.core.feed;
+
+import android.test.AndroidTestCase;
+
+import static de.danoeh.antennapod.core.feed.FeedItemMother.anyFeedItemWithImage;
+
+public class FeedItemTest extends AndroidTestCase {
+
+    private FeedItem original;
+    private FeedImage originalImage;
+    private FeedItem changedFeedItem;
+
+    @Override
+    protected void setUp() {
+        original = anyFeedItemWithImage();
+        originalImage = original.getImage();
+        changedFeedItem = anyFeedItemWithImage();
+    }
+
+    public void testUpdateFromOther_feedItemImageDownloadUrlChanged() throws Exception {
+        setNewFeedItemImageDownloadUrl();
+
+        original.updateFromOther(changedFeedItem);
+
+        feedItemImageWasUpdated();
+    }
+
+    public void testUpdateFromOther_feedItemImageRemoved() throws Exception {
+        feedItemImageRemoved();
+
+        original.updateFromOther(changedFeedItem);
+
+        feedItemImageWasNotUpdated();
+    }
+
+    public void testUpdateFromOther_feedItemImageAdded() throws Exception {
+        feedItemHadNoImage();
+        setNewFeedItemImageDownloadUrl();
+
+        original.updateFromOther(changedFeedItem);
+
+        feedItemImageWasUpdated();
+    }
+
+    private void feedItemHadNoImage() {
+        original.setImage(null);
+    }
+
+    private void setNewFeedItemImageDownloadUrl() {
+        changedFeedItem.getImage().setDownload_url("http://example.com/new_picture");
+    }
+
+    private void feedItemImageRemoved() {
+        changedFeedItem.setImage(null);
+    }
+
+    private void feedItemImageWasUpdated() {
+        assertEquals(original.getImage().getDownload_url(), changedFeedItem.getImage().getDownload_url());
+    }
+
+    private void feedItemImageWasNotUpdated() {
+        assertTrue(originalImage == original.getImage());
+    }
+
+}

core/src/main/java/de/danoeh/antennapod/core/feed/FeedItem.java

@@ -177,6 +177,9 @@ public class FeedItem extends FeedComponent implements ShownotesProvider, Flattr
 
     public void updateFromOther(FeedItem other) {
         super.updateFromOther(other);
+        if (other.image != null) {
+            this.image = other.image;
+        }
         if (other.title != null) {
             title = other.title;
         }