Bug 1290014 - Add additional unit tests. r=ahunt,Grisha

MozReview-Commit-ID: Ib5OI7eb2sq

--HG--
extra : rebase_source : 03b754f45a92952533e7fe935a30bc97df678bf7

mobile/android/tests/background/junit4/src/org/mozilla/gecko/icons/TestIconRequestBuilder.java

@@ -7,6 +7,7 @@ import org.junit.Assert;
 
 import org.junit.Test;
 import org.junit.runner.RunWith;
+import org.mozilla.gecko.GeckoAppShell;
 import org.mozilla.gecko.background.testhelpers.TestRunner;
 import org.robolectric.RuntimeEnvironment;
 
@@ -137,4 +138,22 @@ public class TestIconRequestBuilder {
 
         Assert.assertTrue(request.shouldRunOnBackgroundThread());
     }
+
+    @Test
+    public void testForLauncherIcon() {
+        // This code will call into GeckoAppShell to determine the launcher icon size for this configuration
+        GeckoAppShell.setApplicationContext(RuntimeEnvironment.application);
+
+        IconRequest request = Icons.with(RuntimeEnvironment.application)
+                .pageUrl(TEST_PAGE_URL_1)
+                .build();
+
+        Assert.assertEquals(32, request.getTargetSize());
+
+        request.modify()
+                .forLauncherIcon()
+                .deferBuild();
+
+        Assert.assertEquals(48, request.getTargetSize());
+    }
 }

mobile/android/tests/background/junit4/src/org/mozilla/gecko/icons/TestIconTask.java

@@ -464,6 +464,45 @@ public class TestIconTask {
         }
     }
 
+    @Test
+    public void testNoLoadersOrProcessorsAreExecutedForPrepareOnlyTasks() {
+        final List<Preparer> preparers = createListOfPreparers();
+        final List<IconLoader> loaders = createListWithSuccessfulLoader();
+        final List<Processor> processors = createListOfProcessors();
+        final IconLoader generator = createGenerator();
+
+        final IconRequest request = createIconRequest()
+                .modify()
+                .prepareOnly()
+                .build();
+
+        final IconTask task = new IconTask(
+                request,
+                preparers,
+                loaders,
+                processors,
+                generator);
+
+        IconResponse response = task.call();
+
+        Assert.assertNull(response);
+
+        // Verify that all preparers are called
+        for (Preparer preparer : preparers) {
+            verify(preparer).prepare(request);
+        }
+
+        // Verify that no loaders are called
+        for (IconLoader loader : loaders) {
+            verify(loader, never()).load(request);
+        }
+
+        // Verify that no processors are called
+        for (Processor processor : processors) {
+            verify(processor, never()).process(eq(request), any(IconResponse.class));
+        }
+    }
+
     public List<IconLoader> createListWithSuccessfulLoader() {
         return Arrays.asList(
                 createFailingLoader(),