Add voicemail_archive_table to dialer database.

Stores the voicemail content and call log information for all the
voicemails that have been archived.

BUG=22797391

Change-Id: I1b5d98ab17d3d6f32d6797c2c51b50bcd29cd5fa
(cherry picked from commit ca67dbe4b04a6eaaa106d40c199bc86d64d94e40)

5 files changed, 733 insertions, 1 deletions

diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 89fdc1ff2..ac5d042ac 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -343,5 +343,12 @@
                 android:name="android.support.FILE_PROVIDER_PATHS"
                 android:resource="@xml/file_paths" />
         </provider>
+
+        <provider
+            android:name=".database.VoicemailArchiveProvider"
+            android:authorities="com.android.dialer.database.voicemailarchiveprovider"
+            android:exported="false"
+            android:multiprocess="false"
+            />
     </application>
 </manifest>
diff --git a/src/com/android/dialer/database/DialerDatabaseHelper.java b/src/com/android/dialer/database/DialerDatabaseHelper.java
index 1f926c140..5edfb270d 100644
--- a/src/com/android/dialer/database/DialerDatabaseHelper.java
+++ b/src/com/android/dialer/database/DialerDatabaseHelper.java
@@ -39,6 +39,7 @@ import android.util.Log;
 import com.android.contacts.common.util.PermissionsUtil;
 import com.android.contacts.common.util.StopWatch;
 import com.android.dialer.database.FilteredNumberContract.FilteredNumberColumns;
+import com.android.dialer.database.VoicemailArchiveContract.VoicemailArchive;
 import com.android.dialer.R;
 import com.android.dialer.dialpad.SmartDialNameMatcher;
 import com.android.dialer.dialpad.SmartDialPrefix;
@@ -75,7 +76,7 @@ public class DialerDatabaseHelper extends SQLiteOpenHelper {
      *   0-98   KitKat
      * </pre>
      */
-    public static final int DATABASE_VERSION = 8;
+    public static final int DATABASE_VERSION = 9;
     public static final String DATABASE_NAME = "dialer.db";
 
     /**
@@ -94,6 +95,8 @@ public class DialerDatabaseHelper extends SQLiteOpenHelper {
         static final String SMARTDIAL_TABLE = "smartdial_table";
         /** Saves all possible prefixes to refer to a contacts.*/
         static final String PREFIX_TABLE = "prefix_table";
+        /** Saves all archived voicemail information. */
+        static final String VOICEMAIL_ARCHIVE_TABLE = "voicemail_archive_table";
         /** Database properties for internal use */
         static final String PROPERTIES = "properties";
     }
@@ -434,6 +437,8 @@ public class DialerDatabaseHelper extends SQLiteOpenHelper {
                 + FilteredNumberColumns.TYPE + " INTEGER,"
                 + FilteredNumberColumns.SOURCE + " INTEGER"
                 + ");");
+
+        createVoicemailArchiveTable(db);
         setProperty(db, DATABASE_VERSION_PROPERTY, String.valueOf(DATABASE_VERSION));
         if (!mIsTestInstance) {
             resetSmartDialLastUpdatedTime();
@@ -445,6 +450,7 @@ public class DialerDatabaseHelper extends SQLiteOpenHelper {
         db.execSQL("DROP TABLE IF EXISTS " + Tables.SMARTDIAL_TABLE);
         db.execSQL("DROP TABLE IF EXISTS " + Tables.PROPERTIES);
         db.execSQL("DROP TABLE IF EXISTS " + Tables.FILTERED_NUMBER_TABLE);
+        db.execSQL("DROP TABLE IF EXISTS " + Tables.VOICEMAIL_ARCHIVE_TABLE);
     }
 
     @Override
@@ -486,6 +492,12 @@ public class DialerDatabaseHelper extends SQLiteOpenHelper {
             oldVersion = 8;
         }
 
+        if (oldVersion < 9) {
+            db.execSQL("DROP TABLE IF EXISTS " + Tables.VOICEMAIL_ARCHIVE_TABLE);
+            createVoicemailArchiveTable(db);
+            oldVersion = 9;
+        }
+
         if (oldVersion != DATABASE_VERSION) {
             throw new IllegalStateException(
                     "error upgrading the database to version " + DATABASE_VERSION);
@@ -653,6 +665,41 @@ public class DialerDatabaseHelper extends SQLiteOpenHelper {
     }
 
     /**
+     * All columns excluding MIME_TYPE, _DATA, ARCHIVED, SERVER_ID, are the same as
+     *  the columns in the {@link android.provider.CallLog.Calls} table.
+     *
+     *  @param db Database pointer to the dialer database.
+     */
+    private void createVoicemailArchiveTable(SQLiteDatabase db) {
+        db.execSQL("CREATE TABLE " + Tables.VOICEMAIL_ARCHIVE_TABLE + " ("
+                + VoicemailArchive._ID + " INTEGER PRIMARY KEY AUTOINCREMENT,"
+                + VoicemailArchive.NUMBER + " TEXT,"
+                + VoicemailArchive.DATE + " LONG,"
+                + VoicemailArchive.DURATION + " LONG,"
+                + VoicemailArchive.MIME_TYPE + " TEXT,"
+                + VoicemailArchive.COUNTRY_ISO + " TEXT,"
+                + VoicemailArchive._DATA + " TEXT,"
+                + VoicemailArchive.GEOCODED_LOCATION + " TEXT,"
+                + VoicemailArchive.CACHED_NAME + " TEXT,"
+                + VoicemailArchive.CACHED_NUMBER_TYPE + " INTEGER,"
+                + VoicemailArchive.CACHED_NUMBER_LABEL + " TEXT,"
+                + VoicemailArchive.CACHED_LOOKUP_URI + " TEXT,"
+                + VoicemailArchive.CACHED_MATCHED_NUMBER + " TEXT,"
+                + VoicemailArchive.CACHED_NORMALIZED_NUMBER + " TEXT,"
+                + VoicemailArchive.CACHED_PHOTO_ID + " LONG,"
+                + VoicemailArchive.CACHED_FORMATTED_NUMBER + " TEXT,"
+                + VoicemailArchive.ARCHIVED + " INTEGER,"
+                + VoicemailArchive.NUMBER_PRESENTATION + " INTEGER,"
+                + VoicemailArchive.ACCOUNT_COMPONENT_NAME + " TEXT,"
+                + VoicemailArchive.ACCOUNT_ID + " TEXT,"
+                + VoicemailArchive.FEATURES + " INTEGER,"
+                + VoicemailArchive.SERVER_ID + " INTEGER,"
+                + VoicemailArchive.TRANSCRIPTION + " TEXT,"
+                + VoicemailArchive.CACHED_PHOTO_URI + " TEXT"
+                + ");");
+    }
+
+    /**
      * Removes all entries in the smartdial contact database.
      */
     @VisibleForTesting
diff --git a/src/com/android/dialer/database/VoicemailArchiveContract.java b/src/com/android/dialer/database/VoicemailArchiveContract.java
new file mode 100644
index 000000000..92d9c17ef
--- /dev/null
+++ b/src/com/android/dialer/database/VoicemailArchiveContract.java
@@ -0,0 +1,201 @@
+/*
+ * 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.dialer.database;
+
+import android.net.Uri;
+import android.provider.BaseColumns;
+import android.provider.CallLog;
+import android.provider.OpenableColumns;
+
+/**
+ * Contains definitions for the supported URIs and columns for the voicemail archive table.
+ * All the fields excluding MIME_TYPE, _DATA, ARCHIVED, SERVER_ID, mirror the fields in the
+ * contract provided in {@link CallLog.Calls}.
+ */
+public final class VoicemailArchiveContract {
+
+    /** The authority used by the voicemail archive provider. */
+    public static final String AUTHORITY = "com.android.dialer.database.voicemailarchiveprovider";
+
+    /** A content:// style uri for the voicemail archive provider */
+    public static final Uri AUTHORITY_URI = Uri.parse("content://" + AUTHORITY);
+
+    public static final class VoicemailArchive implements BaseColumns, OpenableColumns {
+
+        public static final String VOICEMAIL_ARCHIVE_TABLE = "voicemail_archive_table";
+
+        public static final Uri CONTENT_URI = Uri.withAppendedPath(
+                AUTHORITY_URI,
+                VOICEMAIL_ARCHIVE_TABLE);
+
+        /**
+         * @see android.provider.CallLog.Calls#NUMBER
+         * TYPE: TEXT
+         */
+        public static final String NUMBER = CallLog.Calls.NUMBER;
+
+        /**
+         * @see android.provider.CallLog.Calls#DATE
+         * TYPE: LONG
+         */
+        public static final String DATE = CallLog.Calls.DATE;
+
+        /**
+         * @see android.provider.CallLog.Calls#DURATION
+         * TYPE: LONG
+         */
+        public static final String DURATION =  CallLog.Calls.DURATION;
+
+        /**
+         * The mime type of the archived voicemail file.
+         * TYPE: TEXT
+         */
+        public static final String MIME_TYPE = "mime_type";
+
+        /**
+         * @see android.provider.CallLog.Calls#COUNTRY_ISO
+         * TYPE: LONG
+         */
+        public static final String COUNTRY_ISO = CallLog.Calls.COUNTRY_ISO;
+
+        /**
+         * The path of the archived voicemail file.
+         * TYPE: TEXT
+         */
+        public static final String _DATA = "_data";
+
+        /**
+         * @see android.provider.CallLog.Calls#GEOCODED_LOCATION
+         * TYPE: TEXT
+         */
+        public static final String GEOCODED_LOCATION = CallLog.Calls.GEOCODED_LOCATION;
+
+        /**
+         * @see android.provider.CallLog.Calls#CACHED_NAME
+         * TYPE: TEXT
+         */
+        public static final String CACHED_NAME = CallLog.Calls.CACHED_NAME;
+
+        /**
+         * @see android.provider.CallLog.Calls#CACHED_NUMBER_TYPE
+         * TYPE: INTEGER
+         */
+        public static final String CACHED_NUMBER_TYPE = CallLog.Calls.CACHED_NUMBER_TYPE;
+
+        /**
+         * @see android.provider.CallLog.Calls#CACHED_NUMBER_LABEL
+         * TYPE: TEXT
+         */
+        public static final String CACHED_NUMBER_LABEL = CallLog.Calls.CACHED_NUMBER_LABEL;
+
+        /**
+         * @see android.provider.CallLog.Calls#CACHED_LOOKUP_URI
+         * TYPE: TEXT
+         */
+        public static final String CACHED_LOOKUP_URI = CallLog.Calls.CACHED_LOOKUP_URI;
+
+        /**
+         * @see android.provider.CallLog.Calls#CACHED_MATCHED_NUMBER
+         * TYPE: TEXT
+         */
+        public static final String CACHED_MATCHED_NUMBER = CallLog.Calls.CACHED_MATCHED_NUMBER;
+
+        /**
+         * @see android.provider.CallLog.Calls#CACHED_NORMALIZED_NUMBER
+         * TYPE: TEXT
+         */
+        public static final String CACHED_NORMALIZED_NUMBER =
+                CallLog.Calls.CACHED_NORMALIZED_NUMBER;
+
+        /**
+         * @see android.provider.CallLog.Calls#CACHED_PHOTO_ID
+         * TYPE: LONG
+         */
+        public static final String CACHED_PHOTO_ID = CallLog.Calls.CACHED_PHOTO_ID;
+
+        /**
+         * @see android.provider.CallLog.Calls#CACHED_FORMATTED_NUMBER
+         * TYPE: TEXT
+         */
+        public static final String CACHED_FORMATTED_NUMBER = CallLog.Calls.CACHED_FORMATTED_NUMBER;
+
+        /**
+         * If the voicemail was archived by the user by pressing the archive button, this is set to
+         * 1 (true). If the voicemail was archived for the purpose of forwarding to other
+         * applications, this is set to 0 (false).
+         * TYPE: INTEGER
+         */
+        public static final String ARCHIVED = "archived_by_user";
+
+        /**
+         * @see android.provider.CallLog.Calls#NUMBER_PRESENTATION
+         * TYPE: INTEGER
+         */
+        public static final String NUMBER_PRESENTATION = CallLog.Calls.NUMBER_PRESENTATION;
+
+        /**
+         * @see android.provider.CallLog.Calls#PHONE_ACCOUNT_COMPONENT_NAME
+         * TYPE: TEXT
+         */
+        public static final String ACCOUNT_COMPONENT_NAME =
+                CallLog.Calls.PHONE_ACCOUNT_COMPONENT_NAME;
+
+        /**
+         * @see android.provider.CallLog.Calls#PHONE_ACCOUNT_ID
+         * TYPE: TEXT
+         */
+        public static final String ACCOUNT_ID = CallLog.Calls.PHONE_ACCOUNT_ID;
+
+        /**
+         * @see android.provider.CallLog.Calls#FEATURES
+         * TYPE: INTEGER
+         */
+        public static final String FEATURES = CallLog.Calls.FEATURES;
+
+        /**
+         * The id of the voicemail on the server.
+         * TYPE: INTEGER
+         */
+        public static final String SERVER_ID = "server_id";
+
+        /**
+         * @see android.provider.CallLog.Calls#TRANSCRIPTION
+         * TYPE: TEXT
+         */
+        public static final String TRANSCRIPTION = CallLog.Calls.TRANSCRIPTION;
+
+        /**
+         * @see android.provider.CallLog.Calls#CACHED_PHOTO_URI
+         * TYPE: TEXT
+         */
+        public static final String CACHED_PHOTO_URI = CallLog.Calls.CACHED_PHOTO_URI;
+
+        /**
+         * The MIME type of a {@link #CONTENT_URI} single voicemail.
+         */
+        public static final String CONTENT_ITEM_TYPE =
+                "vnd.android.cursor.item/voicmail_archive_table";
+
+        public static final Uri buildWithId(int id) {
+            return Uri.withAppendedPath(CONTENT_URI, Integer.toString(id));
+        }
+
+        /** Not instantiable. */
+        private VoicemailArchive() {
+        }
+    }
+}
diff --git a/src/com/android/dialer/database/VoicemailArchiveProvider.java b/src/com/android/dialer/database/VoicemailArchiveProvider.java
new file mode 100644
index 000000000..ae73670b8
--- /dev/null
+++ b/src/com/android/dialer/database/VoicemailArchiveProvider.java
@@ -0,0 +1,211 @@
+/*
+ * 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.dialer.database;
+
+import android.content.ContentProvider;
+import android.content.ContentUris;
+import android.content.ContentValues;
+import android.content.Context;
+import android.content.UriMatcher;
+import android.database.Cursor;
+import android.database.sqlite.SQLiteDatabase;
+import android.database.sqlite.SQLiteQueryBuilder;
+import android.net.Uri;
+import android.os.ParcelFileDescriptor;
+import android.support.annotation.Nullable;
+import android.text.TextUtils;
+
+import com.android.dialerbind.DatabaseHelperManager;
+import com.google.common.annotations.VisibleForTesting;
+
+import java.io.File;
+import java.io.FileNotFoundException;
+
+/**
+ * An implementation of the Voicemail Archive content provider. This class performs
+ * all database level operations on the voicemail_archive_table.
+ */
+public class VoicemailArchiveProvider extends ContentProvider {
+    private static final String TAG = "VMArchiveProvider";
+    private static final int VOICEMAIL_ARCHIVE_TABLE = 1;
+    private static final int VOICEMAIL_ARCHIVE_TABLE_ID = 2;
+    private static final String VOICEMAIL_FOLDER = "voicemails";
+
+    private DialerDatabaseHelper mDialerDatabaseHelper;
+    private final UriMatcher mUriMatcher = new UriMatcher(UriMatcher.NO_MATCH);
+
+    @Override
+    public boolean onCreate() {
+         mDialerDatabaseHelper = getDatabaseHelper(getContext());
+         if (mDialerDatabaseHelper == null) {
+             return false;
+         }
+        mUriMatcher.addURI(VoicemailArchiveContract.AUTHORITY,
+                 VoicemailArchiveContract.VoicemailArchive.VOICEMAIL_ARCHIVE_TABLE,
+                 VOICEMAIL_ARCHIVE_TABLE);
+        mUriMatcher.addURI(VoicemailArchiveContract.AUTHORITY,
+                 VoicemailArchiveContract.VoicemailArchive.VOICEMAIL_ARCHIVE_TABLE + "/#",
+                 VOICEMAIL_ARCHIVE_TABLE_ID);
+         return true;
+    }
+
+    @VisibleForTesting
+    protected DialerDatabaseHelper getDatabaseHelper(Context context) {
+        return DatabaseHelperManager.getDatabaseHelper(context);
+    }
+
+    /**
+     * Used by the test class because it extends {@link android.test.ProviderTestCase2} in which the
+     * {@link android.test.IsolatedContext} returns /dev/null when getFilesDir() is called.
+     *
+     * @see android.test.IsolatedContext#getFilesDir
+     */
+    @VisibleForTesting
+    protected File getFilesDir() {
+        return getContext().getFilesDir();
+    }
+
+    @Nullable
+    @Override
+    public Cursor query(Uri uri,
+                        @Nullable String[] projection,
+                        @Nullable String selection,
+                        @Nullable String[] selectionArgs,
+                        @Nullable String sortOrder) {
+        SQLiteDatabase db = mDialerDatabaseHelper.getReadableDatabase();
+        SQLiteQueryBuilder queryBuilder = getQueryBuilder(uri);
+        Cursor cursor = queryBuilder
+                .query(db, projection, selection, selectionArgs, null, null, sortOrder);
+        if (cursor != null) {
+            cursor.setNotificationUri(getContext().getContentResolver(),
+                    VoicemailArchiveContract.VoicemailArchive.CONTENT_URI);
+        }
+        return cursor;
+    }
+
+    @Override
+    public String getType(Uri uri) {
+        return VoicemailArchiveContract.VoicemailArchive.CONTENT_ITEM_TYPE;
+    }
+
+    @Nullable
+    @Override
+    public Uri insert(Uri uri, ContentValues values) {
+        SQLiteDatabase db = mDialerDatabaseHelper.getWritableDatabase();
+        long id = db.insert(DialerDatabaseHelper.Tables.VOICEMAIL_ARCHIVE_TABLE,
+                null, values);
+        if (id < 0) {
+            return null;
+        }
+        notifyChange(uri);
+        // Create the directory for archived voicemails if it doesn't already exist
+        File directory = new File(getFilesDir(), VOICEMAIL_FOLDER);
+        directory.mkdirs();
+
+        // Update the row's _data column with a file path in the voicemails folder
+        Uri newUri = ContentUris.withAppendedId(uri, id);
+        File voicemailFile = new File(directory, Long.toString(id));
+        values.put(VoicemailArchiveContract.VoicemailArchive._DATA, voicemailFile.getPath());
+        update(newUri, values, null, null);
+        return newUri;
+    }
+
+
+    @Override
+    public int delete(Uri uri, @Nullable String selection, @Nullable String[] selectionArgs) {
+        SQLiteDatabase db = mDialerDatabaseHelper.getWritableDatabase();
+        SQLiteQueryBuilder queryBuilder = getQueryBuilder(uri);
+        Cursor cursor = queryBuilder.query(db, null, selection, selectionArgs, null, null, null);
+
+        // Delete all the voicemail files related to the selected rows
+        while (cursor.moveToNext()) {
+            deleteFile(cursor.getString(cursor.getColumnIndex(
+                    VoicemailArchiveContract.VoicemailArchive._DATA)));
+        }
+
+        int rows = db.delete(DialerDatabaseHelper.Tables.VOICEMAIL_ARCHIVE_TABLE,
+                getSelectionWithId(selection, uri),
+                selectionArgs);
+        if (rows > 0) {
+            notifyChange(uri);
+        }
+        return rows;
+    }
+
+    @Override
+    public int update(Uri uri,
+                      ContentValues values,
+                      @Nullable String selection,
+                      @Nullable String[] selectionArgs) {
+        SQLiteDatabase db = mDialerDatabaseHelper.getWritableDatabase();
+        selection = getSelectionWithId(selection, uri);
+        int rows = db.update(DialerDatabaseHelper.Tables.VOICEMAIL_ARCHIVE_TABLE,
+                values,
+                selection,
+                selectionArgs);
+        if (rows > 0) {
+            notifyChange(uri);
+        }
+        return rows;
+    }
+
+    @Override
+    public ParcelFileDescriptor openFile(Uri uri, String mode) throws FileNotFoundException {
+        if (mUriMatcher.match(uri) != VOICEMAIL_ARCHIVE_TABLE_ID) {
+            throw new IllegalArgumentException("URI Invalid.");
+        }
+        return openFileHelper(uri, mode);
+    }
+
+    private void deleteFile(@Nullable String path) {
+        if (TextUtils.isEmpty(path)) {
+            return;
+        }
+        File file = new File(path);
+        if (file.exists()) {
+            file.delete();
+        }
+    }
+
+    private SQLiteQueryBuilder getQueryBuilder(Uri uri) {
+        SQLiteQueryBuilder queryBuilder = new SQLiteQueryBuilder();
+        queryBuilder.setTables(DialerDatabaseHelper.Tables.VOICEMAIL_ARCHIVE_TABLE);
+        String selectionWithId = getSelectionWithId(null, uri);
+        if (!TextUtils.isEmpty(selectionWithId)) {
+            queryBuilder.appendWhere(selectionWithId);
+        }
+        return queryBuilder;
+    }
+
+    private String getSelectionWithId(String selection, Uri uri) {
+        int match = mUriMatcher.match(uri);
+        switch (match) {
+            case VOICEMAIL_ARCHIVE_TABLE:
+                return selection;
+            case VOICEMAIL_ARCHIVE_TABLE_ID:
+                String idStr = VoicemailArchiveContract.VoicemailArchive._ID + "=" +
+                        ContentUris.parseId(uri);
+                return TextUtils.isEmpty(selection) ? idStr : selection + " AND " + idStr;
+            default:
+                throw new IllegalArgumentException("Unknown uri: " + uri);
+        }
+    }
+
+    private void notifyChange(Uri uri) {
+        getContext().getContentResolver().notifyChange(uri, null);
+    }
+}
diff --git a/tests/src/com/android/dialer/database/VoicemailArchiveProviderTest.java b/tests/src/com/android/dialer/database/VoicemailArchiveProviderTest.java
new file mode 100644
index 000000000..cec7e050d
--- /dev/null
+++ b/tests/src/com/android/dialer/database/VoicemailArchiveProviderTest.java
@@ -0,0 +1,266 @@
+/*
+ * 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.dialer.database;
+
+import android.content.ContentUris;
+import android.content.ContentValues;
+import android.content.Context;
+import android.database.Cursor;
+import android.net.Uri;
+import android.test.ProviderTestCase2;
+import android.test.mock.MockContentResolver;
+import com.android.dialer.database.VoicemailArchiveContract.VoicemailArchive;
+
+import java.io.File;
+import java.io.OutputStream;
+
+/**
+ * Tests for {@link VoicemailArchiveProvider}.
+ */
+public class VoicemailArchiveProviderTest extends
+        ProviderTestCase2<VoicemailArchiveProviderTest.TestVoicemailArchiveProvider> {
+    private static final String TEST_MIME_TYPE = "audio/mp3";
+    private static final String TEST_NUMBER = "+1412555555";
+    private static final int TEST_ARCHIVED = 1;
+    private static final String TEST_STRING = "TEST";
+
+    private MockContentResolver mResolver;
+    private Cursor mCursor;
+    private Uri mVoicemailUri;
+
+    public VoicemailArchiveProviderTest() {
+        super(TestVoicemailArchiveProvider.class, VoicemailArchiveContract.AUTHORITY);
+    }
+
+    @Override
+    protected void setUp() throws Exception {
+        super.setUp();
+        mResolver = getMockContentResolver();
+    }
+
+    @Override
+    protected void tearDown() throws Exception {
+        if (mCursor != null) {
+            mCursor.close();
+        }
+        // Need to delete test.cache folder created by {@link android.test.ProviderTestCase2}
+        deleteRecursive(getContext().getCacheDir());
+        getProvider().closeDb();
+        super.tearDown();
+    }
+
+    public void testInsert() {
+        insertVoicemail();
+        assertNotNull(mVoicemailUri);
+        assertTrue(doesRowExist());
+        long id = ContentUris.parseId(mVoicemailUri);
+        assertTrue(id > 0);
+    }
+
+    public void testQuery_createFile() throws Exception {
+        insertVoicemail();
+        assertTrue(doesRowExist());
+        assertFalse(doesFileExist());
+        createFile();
+        assertTrue(doesFileExist());
+    }
+
+    public void testQuery() {
+        insertVoicemail();
+        updateCursor();
+        assertCursorCount(1);
+        assertContentValues();
+    }
+
+    public void testQuery_correctValuesSelection() {
+        insertVoicemail();
+        updateCursorWithIdQuery();
+        assertCursorCount(1);
+        assertContentValues();
+    }
+
+    public void testQuery_illegalUri() {
+        try {
+            mResolver.query(Uri.withAppendedPath(VoicemailArchive.CONTENT_URI, TEST_STRING),
+                    null, null, null, null);
+            fail("Expecting exception but none was thrown.");
+        } catch (IllegalArgumentException e) {}
+    }
+
+    public void testUpdate() throws Exception {
+        insertVoicemail();
+        assertTrue(doesRowExist());
+        ContentValues values = new ContentValues();
+        values.put(VoicemailArchive.MIME_TYPE, TEST_STRING);
+        values.put(VoicemailArchive.NUMBER, TEST_STRING);
+        values.put(VoicemailArchive.ARCHIVED, false);
+        mResolver.update(mVoicemailUri, values, null, null);
+        updateCursor();
+        assertEquals(TEST_STRING, mCursor.getString(mCursor.getColumnIndex(VoicemailArchive.MIME_TYPE)));
+        assertEquals(TEST_STRING, mCursor.getString(mCursor.getColumnIndex(VoicemailArchive.NUMBER)));
+        assertEquals(false, mCursor.getInt(
+                mCursor.getColumnIndex(VoicemailArchive.ARCHIVED)) == 1);
+    }
+
+    public void testUpdate_selection() throws Exception {
+        insertVoicemail();
+        assertTrue(doesRowExist());
+        ContentValues values = new ContentValues();
+        values.put(VoicemailArchive.MIME_TYPE, TEST_STRING);
+        values.put(VoicemailArchive.NUMBER, TEST_STRING);
+        values.put(VoicemailArchive.ARCHIVED, false);
+        mResolver.update(VoicemailArchive.CONTENT_URI, values, getIdQuery(), null);
+        updateCursor();
+        assertEquals(TEST_STRING, mCursor.getString(mCursor.getColumnIndex(VoicemailArchive.MIME_TYPE)));
+        assertEquals(TEST_STRING, mCursor.getString(mCursor.getColumnIndex(VoicemailArchive.NUMBER)));
+        assertEquals(false, mCursor.getInt(
+                mCursor.getColumnIndex(VoicemailArchive.ARCHIVED)) == 1);
+    }
+
+    public void testUpdate_illegalUri() {
+        try {
+            mResolver.update(Uri.withAppendedPath(VoicemailArchive.CONTENT_URI, TEST_STRING),
+                    null, null, null);
+            fail("Expecting exception but none was thrown.");
+        } catch (IllegalArgumentException e) {}
+    }
+
+    public void testDelete() throws Exception {
+        insertVoicemail();
+        createFile();
+        assertTrue(doesRowExist());
+        assertTrue(doesFileExist());
+        mResolver.delete(mVoicemailUri, null, null);
+        assertFalse(doesRowExist());
+        assertFalse(doesFileExist());
+    }
+
+    public void testDelete_selection() throws Exception{
+        insertVoicemail();
+        createFile();
+        assertTrue(doesRowExist());
+        assertTrue(doesFileExist());
+        mResolver.delete(VoicemailArchive.CONTENT_URI, getIdQuery(), null);
+        assertFalse(doesRowExist());
+        assertFalse(doesFileExist());
+    }
+
+    public void testDelete_illegalUri() {
+        try {
+            mResolver.delete(Uri.withAppendedPath(VoicemailArchive.CONTENT_URI, TEST_STRING),
+                    null, null);
+            fail("Expecting exception but none was thrown.");
+        } catch (IllegalArgumentException e) {}
+    }
+
+    private boolean doesRowExist() {
+        Cursor tempCursor = mResolver.query(mVoicemailUri, null, null, null, null);
+        boolean rowExists = tempCursor != null && tempCursor.getCount() > 0;
+        tempCursor.close();
+        return rowExists;
+    }
+
+    private boolean doesFileExist() {
+        File voicemailFile = new File(getFilePath());
+        return voicemailFile.exists();
+    }
+
+    private void assertCursorCount(int count) {
+        assertEquals(count, mCursor.getCount());
+    }
+
+    private void assertContentValues() {
+        assertEquals(TEST_MIME_TYPE, mCursor
+                .getString(mCursor.getColumnIndex(VoicemailArchive.MIME_TYPE)));
+        assertEquals(TEST_NUMBER, mCursor
+                .getString(mCursor.getColumnIndex(VoicemailArchive.NUMBER)));
+        assertEquals(TEST_ARCHIVED, mCursor
+                .getInt(mCursor.getColumnIndex(VoicemailArchive.ARCHIVED)));
+    }
+
+    private void insertVoicemail() {
+        mVoicemailUri = mResolver.insert(VoicemailArchive.CONTENT_URI, getTestValues());
+    }
+
+    private void updateCursor() {
+        mCursor = mResolver.query(mVoicemailUri, null, null, null, null);
+        assertEquals(true, mCursor.getCount() > 0);
+        mCursor.moveToFirst();
+    }
+
+    private void updateCursorWithIdQuery() {
+        mCursor = mResolver.query(mVoicemailUri, null, getIdQuery(), null, null);
+        assertEquals(true, mCursor.getCount() > 0);
+        mCursor.moveToFirst();
+    }
+
+    private void createFile() throws Exception {
+        assertFalse(doesFileExist());
+        // Opening output stream and closing it should create the file
+        OutputStream outputStream = mResolver.openOutputStream(mVoicemailUri);
+        outputStream.close();
+    }
+
+    private String getIdQuery() {
+        return VoicemailArchive._ID + "=" + ContentUris.parseId(mVoicemailUri);
+    }
+
+    private String getFilePath() {
+        if (mCursor == null) {
+            updateCursor();
+        }
+        return mCursor.getString(mCursor.getColumnIndex(VoicemailArchive._DATA));
+    }
+
+    private ContentValues getTestValues() {
+        ContentValues values = new ContentValues();
+        values.put(VoicemailArchive.NUMBER, TEST_NUMBER);
+        values.put(VoicemailArchive.MIME_TYPE, TEST_MIME_TYPE);
+        values.put(VoicemailArchive.ARCHIVED, TEST_ARCHIVED);
+        return values;
+    }
+
+    private void deleteRecursive(File fileOrDirectory) {
+        if (fileOrDirectory.isDirectory()) {
+            for (File child : fileOrDirectory.listFiles()) {
+                deleteRecursive(child);
+            }
+        }
+        fileOrDirectory.delete();
+    }
+
+    public static class TestVoicemailArchiveProvider extends VoicemailArchiveProvider {
+        private DialerDatabaseHelper mDialerDatabaseHelper;
+
+        @Override
+        protected File getFilesDir() {
+            return getContext().getCacheDir();
+        }
+
+        @Override
+        protected DialerDatabaseHelper getDatabaseHelper(Context context) {
+            if (mDialerDatabaseHelper == null) {
+                mDialerDatabaseHelper = DialerDatabaseHelper.getNewInstanceForTest(context);
+            }
+            return mDialerDatabaseHelper;
+        }
+
+        protected void closeDb() {
+            mDialerDatabaseHelper.close();
+        }
+    }
+}