Merge "Add a deletion helper view for clearing space." into nyc-mr1-dev

am: 179103258e

* commit '179103258e4e664fbdd76b8440aff3edae86b093':
  Add a deletion helper view for clearing space.

Change-Id: If02b00b3e35e717508ae69894a36ac71a1c3c30f

tests/unit/src/com/android/settings/deletionhelper/PackageDeletionTaskTest.java

@@ -0,0 +1,120 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.deletionhelper;
+
+import android.test.AndroidTestCase;
+import android.content.pm.IPackageDeleteObserver;
+import android.content.pm.PackageManager;
+import android.os.RemoteException;
+import android.test.mock.MockPackageManager;
+import android.test.suitebuilder.annotation.SmallTest;
+
+import com.android.settings.deletionhelper.PackageDeletionTask;
+import com.android.settings.deletionhelper.PackageDeletionTask.Callback;
+
+import java.util.Set;
+import java.util.HashSet;
+
+public class PackageDeletionTaskTest extends AndroidTestCase {
+    private FakePackageManager mPackageManager;
+    private Set<String> mDeletedApps;
+
+    @Override
+    protected void setUp() throws Exception {
+        mPackageManager = new FakePackageManager();
+        mDeletedApps = new HashSet<String>();
+    }
+
+    @SmallTest
+    public void testDeleteNoApps() throws Exception {
+        runTask(new HashSet<String>(), false);
+    }
+
+    @SmallTest
+    public void testDeleteOneApp() throws Exception {
+        HashSet<String> appsToDelete = new HashSet<String>();
+        appsToDelete.add("app.test1");
+        runTask(appsToDelete, false);
+    }
+
+    @SmallTest
+    public void testDeleteManyApps() throws Exception {
+        HashSet<String> appsToDelete = new HashSet<String>();
+        appsToDelete.add("app.test1");
+        appsToDelete.add("app.test2");
+        runTask(appsToDelete, false);
+    }
+
+    @SmallTest
+    public void testDeleteFails() throws Exception {
+        HashSet<String> appsToDelete = new HashSet<String>();
+        appsToDelete.add("app.test1");
+        mPackageManager.deletionSucceeds = false;
+        runTask(appsToDelete, true);
+    }
+
+    private void runTask(HashSet<String> appsToDelete, boolean shouldFail) {
+        PackageDeletionTask task = new PackageDeletionTask(mPackageManager, appsToDelete,
+                new VerifierCallback(appsToDelete, shouldFail));
+        task.run();
+    }
+
+    class FakePackageManager extends MockPackageManager {
+        public boolean deletionSucceeds = true;
+
+        @Override
+        public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer,
+                                        int flags, int userId) {
+            int resultCode;
+            if (deletionSucceeds) {
+                resultCode = PackageManager.DELETE_SUCCEEDED;
+                mDeletedApps.add(packageName);
+            } else {
+                resultCode = PackageManager.DELETE_FAILED_INTERNAL_ERROR;
+            }
+
+            try {
+                observer.packageDeleted(packageName, resultCode);
+            } catch (RemoteException e) {
+                fail(e.toString());
+            }
+        }
+    }
+
+    class VerifierCallback extends Callback {
+        private Set<String> mExpectedDeletedApps;
+        private boolean mShouldFail;
+
+        public VerifierCallback(HashSet<String> expectedDeletedApps, boolean shouldFail) {
+            mExpectedDeletedApps = expectedDeletedApps;
+            mShouldFail = shouldFail;
+        }
+
+        @Override
+        public void onSuccess() {
+            System.out.println("lol");
+            assertFalse(mShouldFail);
+            assertEquals(mExpectedDeletedApps, mDeletedApps);
+        }
+
+        @Override
+        public void onError() {
+            assertTrue(mShouldFail);
+        }
+    }
+
+}