1 files changed, 98 insertions, 0 deletions
diff --git a/tests/src/org/kelar/inputmethod/latin/ContactsContentObserverTest.java b/tests/src/org/kelar/inputmethod/latin/ContactsContentObserverTest.java
new file mode 100644
index 000000000..8e21324cb
--- /dev/null
+++ b/tests/src/org/kelar/inputmethod/latin/ContactsContentObserverTest.java
@@ -0,0 +1,98 @@
+/*
+ * Copyright (C) 2014 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 org.kelar.inputmethod.latin;
+
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+import static org.mockito.Matchers.eq;
+import static org.mockito.Mockito.validateMockitoUsage;
+import static org.mockito.Mockito.when;
+
+import android.content.Context;
+import android.provider.ContactsContract.Contacts;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+import java.util.ArrayList;
+
+/**
+ * Tests for {@link ContactsContentObserver}.
+ */
+@SmallTest
+@RunWith(AndroidJUnit4.class)
+public class ContactsContentObserverTest {
+    private static final int UPDATED_CONTACT_COUNT = 10;
+    private static final int STALE_CONTACT_COUNT = 8;
+    private static final ArrayList<String> STALE_NAMES_LIST = new ArrayList<>();
+    private static final ArrayList<String> UPDATED_NAMES_LIST = new ArrayList<>();
+
+    static {
+        STALE_NAMES_LIST.add("Larry Page");
+        STALE_NAMES_LIST.add("Roger Federer");
+        UPDATED_NAMES_LIST.add("Larry Page");
+        UPDATED_NAMES_LIST.add("Roger Federer");
+        UPDATED_NAMES_LIST.add("Barak Obama");
+    }
+
+    @Mock private ContactsManager mMockManager;
+    @Mock private Context mContext;
+
+    private ContactsContentObserver mObserver;
+
+    @Before
+    public void setUp() throws Exception {
+        MockitoAnnotations.initMocks(this);
+        mObserver = new ContactsContentObserver(mMockManager, mContext);
+    }
+
+    @After
+    public void tearDown() {
+        validateMockitoUsage();
+    }
+
+    @Test
+    public void testHaveContentsChanged_NoChange() {
+        when(mMockManager.getContactCount()).thenReturn(STALE_CONTACT_COUNT);
+        when(mMockManager.getContactCountAtLastRebuild()).thenReturn(STALE_CONTACT_COUNT);
+        when(mMockManager.getValidNames(eq(Contacts.CONTENT_URI))).thenReturn(STALE_NAMES_LIST);
+        when(mMockManager.getHashCodeAtLastRebuild()).thenReturn(STALE_NAMES_LIST.hashCode());
+        assertFalse(mObserver.haveContentsChanged());
+    }
+    @Test
+    public void testHaveContentsChanged_UpdatedCount() {
+        when(mMockManager.getContactCount()).thenReturn(UPDATED_CONTACT_COUNT);
+        when(mMockManager.getContactCountAtLastRebuild()).thenReturn(STALE_CONTACT_COUNT);
+        assertTrue(mObserver.haveContentsChanged());
+    }
+
+    @Test
+    public void testHaveContentsChanged_HashUpdate() {
+        when(mMockManager.getContactCount()).thenReturn(STALE_CONTACT_COUNT);
+        when(mMockManager.getContactCountAtLastRebuild()).thenReturn(STALE_CONTACT_COUNT);
+        when(mMockManager.getValidNames(eq(Contacts.CONTENT_URI))).thenReturn(UPDATED_NAMES_LIST);
+        when(mMockManager.getHashCodeAtLastRebuild()).thenReturn(STALE_NAMES_LIST.hashCode());
+        assertTrue(mObserver.haveContentsChanged());
+    }
+}