[sync] Add java InvalidationController for Android.

sync/android/javatests/src/org/chromium/sync/notifier/InvalidationControllerTest.java

Index: sync/android/javatests/src/org/chromium/sync/notifier/InvalidationControllerTest.java
diff --git a/sync/android/javatests/src/org/chromium/sync/notifier/InvalidationControllerTest.java b/sync/android/javatests/src/org/chromium/sync/notifier/InvalidationControllerTest.java
new file mode 100644
index 0000000000000000000000000000000000000000..82340f6600fdc6d20f0ed0efa342809dcb6f89c9
--- /dev/null
+++ b/sync/android/javatests/src/org/chromium/sync/notifier/InvalidationControllerTest.java
@@ -0,0 +1,154 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package org.chromium.sync.notifier;
+
+import android.accounts.Account;
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.PackageManager;
+import android.test.InstrumentationTestCase;
+import android.test.suitebuilder.annotation.SmallTest;
+
+import com.google.common.collect.Lists;
+import com.google.common.collect.Sets;
+
+import org.chromium.base.test.util.AdvancedMockContext;
+import org.chromium.base.test.util.Feature;
+import org.chromium.sync.ModelType;
+import org.chromium.sync.notifier.InvalidationController.IntentProtocol;
+
+import java.util.List;
+import java.util.Set;
+
+/**
+ * Tests for the {@link InvalidationController}.
+ */
+public class InvalidationControllerTest extends InstrumentationTestCase {
+    private IntentSavingContext mContext;
+    private InvalidationController mController;
+
+    @Override
+    protected void setUp() throws Exception {
+        mContext = new IntentSavingContext(getInstrumentation().getTargetContext());
+        mController = InvalidationController.newInstance(mContext);
+    }
+
+    @SmallTest
+    @Feature({"Sync"})
+    public void testStart() throws Exception {
+        mController.start();
+        assertEquals(1, mContext.getNumStartedIntents());
+        Intent intent = mContext.getStartedIntent(0);
+        validateIntentComponent(intent);
+        assertNull(intent.getExtras());
+    }
+
+    @SmallTest
+    @Feature({"Sync"})
+    public void testStop() throws Exception {
+        mController.stop();
+        assertEquals(1, mContext.getNumStartedIntents());
+        Intent intent = mContext.getStartedIntent(0);
+        validateIntentComponent(intent);
+        assertEquals(1, intent.getExtras().size());
+        assertTrue(intent.hasExtra(IntentProtocol.EXTRA_STOP));
+        assertTrue(intent.getBooleanExtra(IntentProtocol.EXTRA_STOP, false));
+    }
+
+    @SmallTest
+    @Feature({"Sync"})
+    public void testRegisterForSpecificTypes() {
+        Account account = new Account("test@example.com", "bogus");
+        mController.setRegisteredTypes(account, false,
+                Sets.newHashSet(ModelType.BOOKMARK, ModelType.SESSION));
+        assertEquals(1, mContext.getNumStartedIntents());
+
+        // Validate destination.
+        Intent intent = mContext.getStartedIntent(0);
+        validateIntentComponent(intent);
+        assertEquals(IntentProtocol.ACTION_REGISTER, intent.getAction());
+
+        // Validate account.
+        Account intentAccount = intent.getParcelableExtra(IntentProtocol.EXTRA_ACCOUNT);
+        assertEquals(account, intentAccount);
+
+        // Validate registered types.
+        Set<String> expectedTypes =
+                Sets.newHashSet(ModelType.BOOKMARK.name(), ModelType.SESSION.name());
+        Set<String> actualTypes = Sets.newHashSet();
+        actualTypes.addAll(intent.getStringArrayListExtra(IntentProtocol.EXTRA_REGISTERED_TYPES));
+        assertEquals(expectedTypes, actualTypes);
+    }
+
+    @SmallTest
+    @Feature({"Sync"})
+    public void testRegisterForAllTypes() {
+        Account account = new Account("test@example.com", "bogus");
+        mController.setRegisteredTypes(account, true,
+                Sets.newHashSet(ModelType.BOOKMARK, ModelType.SESSION));
+        assertEquals(1, mContext.getNumStartedIntents());
+
+        // Validate destination.
+        Intent intent = mContext.getStartedIntent(0);
+        validateIntentComponent(intent);
+        assertEquals(IntentProtocol.ACTION_REGISTER, intent.getAction());
+
+        // Validate account.
+        Account intentAccount = intent.getParcelableExtra(IntentProtocol.EXTRA_ACCOUNT);
+        assertEquals(account, intentAccount);
+
+        // Validate registered types.
+        Set<String> expectedTypes = Sets.newHashSet(IntentProtocol.ALL_TYPES_TYPE);
+        Set<String> actualTypes = Sets.newHashSet();
+        actualTypes.addAll(intent.getStringArrayListExtra(IntentProtocol.EXTRA_REGISTERED_TYPES));
+        assertEquals(expectedTypes, actualTypes);
+    }
+
+    @SmallTest
+    @Feature({"Sync"})
+    public void testGetContractAuthority() throws Exception {
+        assertEquals(mContext.getPackageName(), mController.getContractAuthority());
+    }
+
+    /**
+     * Asserts that {@code intent} is destined for the correct component.
+     */
+    private static void validateIntentComponent(Intent intent) {
+        assertNotNull(intent.getComponent());
+        assertEquals("org.chromium.sync.notifier.TEST_VALUE",
+                intent.getComponent().getClassName());
+    }
+
+    /**
+     * Mock context that saves all intents given to {@code startService}.
+     */
+    private static class IntentSavingContext extends AdvancedMockContext {
+        private final List<Intent> startedIntents = Lists.newArrayList();
+
+        IntentSavingContext(Context targetContext) {
+            super(targetContext);
+        }
+
+        @Override
+        public ComponentName startService(Intent intent) {
+            startedIntents.add(intent);
+            return new ComponentName(this, getClass());
+        }
+
+        int getNumStartedIntents() {
+            return startedIntents.size();
+        }
+
+        Intent getStartedIntent(int idx) {
+            return startedIntents.get(idx);
+        }
+
+        @Override
+        public PackageManager getPackageManager() {
+            return getBaseContext().getPackageManager();
+        }
+    }
+}