Moving various runnables in LauncherModel to individual tasks

> Adding tests for some of the runnable

Change-Id: I1a315d38878857df3371f0e69d622a41fc3b081a

tests/src/com/android/launcher3/model/CacheDataUpdatedTaskTest.java

@@ -0,0 +1,81 @@
+package com.android.launcher3.model;
+
+import com.android.launcher3.AppInfo;
+import com.android.launcher3.IconCache;
+import com.android.launcher3.ItemInfo;
+import com.android.launcher3.ShortcutInfo;
+
+import java.util.Arrays;
+import java.util.HashSet;
+
+import static org.mockito.Mockito.mock;
+
+/**
+ * Tests for {@link CacheDataUpdatedTask}
+ */
+public class CacheDataUpdatedTaskTest extends BaseModelUpdateTaskTestCase {
+
+    private static final String NEW_LABEL_PREFIX = "new-label-";
+
+    @Override
+    protected void setUp() throws Exception {
+        super.setUp();
+
+        initializeData("cache_data_updated_task_data");
+        // Add dummy entries in the cache to simulate update
+        for (ItemInfo info : bgDataModel.itemsIdMap) {
+            iconCache.addCache(info.getTargetComponent(), NEW_LABEL_PREFIX + info.id);
+        }
+    }
+
+    private CacheDataUpdatedTask newTask(int op, String... pkg) {
+        return new CacheDataUpdatedTask(op, myUser, new HashSet<>(Arrays.asList(pkg)));
+    }
+
+    public void testCacheUpdate_update_apps() throws Exception {
+        executeTaskForTest(newTask(CacheDataUpdatedTask.OP_CACHE_UPDATE, "app1"));
+
+        // Verify that only the app icons of app1 (id 1 & 2) are updated. Custom shortcut (id 7)
+        // is not updated
+        verifyUpdate(1L, 2L);
+
+        // Verify that only app1 var updated in allAppsList
+        assertFalse(allAppsList.data.isEmpty());
+        for (AppInfo info : allAppsList.data) {
+            if (info.componentName.getPackageName().equals("app1")) {
+                assertNotNull(info.iconBitmap);
+            } else {
+                assertNull(info.iconBitmap);
+            }
+        }
+    }
+
+    public void testSessionUpdate_ignores_normal_apps() throws Exception {
+        executeTaskForTest(newTask(CacheDataUpdatedTask.OP_SESSION_UPDATE, "app1"));
+
+        // app1 has no restored shortcuts. Verify that nothing was updated.
+        verifyUpdate();
+    }
+
+    public void testSessionUpdate_updates_pending_apps() throws Exception {
+        executeTaskForTest(newTask(CacheDataUpdatedTask.OP_SESSION_UPDATE, "app3"));
+
+        // app3 has only restored apps (id 5, 6) and shortcuts (id 9). Verify that only apps were
+        // were updated
+        verifyUpdate(5L, 6L);
+    }
+
+    private void verifyUpdate(Long... idsUpdated) {
+        HashSet<Long> updates = new HashSet<>(Arrays.asList(idsUpdated));
+        IconCache noOpIconCache = mock(IconCache.class);
+        for (ItemInfo info : bgDataModel.itemsIdMap) {
+            if (updates.contains(info.id)) {
+                assertEquals(NEW_LABEL_PREFIX + info.id, info.title);
+                assertNotNull(((ShortcutInfo) info).getIcon(noOpIconCache));
+            } else {
+                assertNotSame(NEW_LABEL_PREFIX + info.id, info.title);
+                assertNull(((ShortcutInfo) info).getIcon(noOpIconCache));
+            }
+        }
+    }
+}