Merge "Implement UserHistoryDictionary for each user account."

1 files changed, 48 insertions, 16 deletions

diff --git a/tests/src/com/android/inputmethod/latin/personalization/UserHistoryDictionaryTests.java b/tests/src/com/android/inputmethod/latin/personalization/UserHistoryDictionaryTests.java
index 813a71239..a84df28c9 100644
--- a/tests/src/com/android/inputmethod/latin/personalization/UserHistoryDictionaryTests.java
+++ b/tests/src/com/android/inputmethod/latin/personalization/UserHistoryDictionaryTests.java
@@ -16,6 +16,8 @@
 
 package com.android.inputmethod.latin.personalization;
 
+import android.content.SharedPreferences;
+import android.preference.PreferenceManager;
 import android.test.AndroidTestCase;
 import android.test.suitebuilder.annotation.LargeTest;
 import android.util.Log;
@@ -24,6 +26,7 @@ import com.android.inputmethod.latin.ExpandableBinaryDictionary;
 import com.android.inputmethod.latin.NgramContext;
 import com.android.inputmethod.latin.NgramContext.WordInfo;
 import com.android.inputmethod.latin.common.FileUtils;
+import com.android.inputmethod.latin.settings.LocalSettingsConstants;
 import com.android.inputmethod.latin.utils.BinaryDictionaryUtils;
 import com.android.inputmethod.latin.utils.DistracterFilter;
 
@@ -36,6 +39,8 @@ import java.util.Locale;
 import java.util.Random;
 import java.util.concurrent.TimeUnit;
 
+import javax.annotation.Nullable;
+
 /**
  * Unit tests for UserHistoryDictionary
  */
@@ -44,6 +49,7 @@ public class UserHistoryDictionaryTests extends AndroidTestCase {
     private static final String TAG = UserHistoryDictionaryTests.class.getSimpleName();
     private static final int WAIT_FOR_WRITING_FILE_IN_MILLISECONDS = 3000;
     private static final String TEST_LOCALE_PREFIX = "test_";
+    private static final String TEST_ACCOUNT = "account@example.com";
 
     private static final String[] CHARACTERS = {
         "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m",
@@ -52,15 +58,18 @@ public class UserHistoryDictionaryTests extends AndroidTestCase {
 
     private int mCurrentTime = 0;
 
+    private SharedPreferences mPrefs;
+    private String mLastKnownAccount = null;
+
     private void removeAllTestDictFiles() {
         final Locale dummyLocale = new Locale(TEST_LOCALE_PREFIX);
-        final String dictName = ExpandableBinaryDictionary.getDictName(
-                UserHistoryDictionary.NAME, dummyLocale, null /* dictFile */);
+        final String dictName = UserHistoryDictionary.getUserHistoryDictName(
+                UserHistoryDictionary.NAME, dummyLocale, null /* dictFile */, getContext());
         final File dictFile = ExpandableBinaryDictionary.getDictFile(
                 mContext, dictName, null /* dictFile */);
         final FilenameFilter filenameFilter = new FilenameFilter() {
             @Override
-            public boolean accept(File dir, String filename) {
+            public boolean accept(final File dir, final String filename) {
                 return filename.startsWith(UserHistoryDictionary.NAME + "." + TEST_LOCALE_PREFIX);
             }
         };
@@ -99,6 +108,12 @@ public class UserHistoryDictionaryTests extends AndroidTestCase {
     @Override
     protected void setUp() throws Exception {
         super.setUp();
+
+        mPrefs = PreferenceManager.getDefaultSharedPreferences(getContext());
+        // Keep track of the current account so that we restore it when the test finishes.
+        mLastKnownAccount = mPrefs.getString(LocalSettingsConstants.PREF_ACCOUNT_NAME, null);
+        updateAccountName(TEST_ACCOUNT);
+
         resetCurrentTimeForTestMode();
         removeAllTestDictFiles();
     }
@@ -107,6 +122,10 @@ public class UserHistoryDictionaryTests extends AndroidTestCase {
     protected void tearDown() throws Exception {
         removeAllTestDictFiles();
         stopTestModeInNativeCode();
+
+        // Restore the account that was present before running the test.
+        updateAccountName(mLastKnownAccount);
+
         super.tearDown();
     }
 
@@ -115,6 +134,14 @@ public class UserHistoryDictionaryTests extends AndroidTestCase {
         setCurrentTimeForTestMode(mCurrentTime);
     }
 
+    private void updateAccountName(@Nullable final String accountName) {
+        if (accountName == null) {
+            mPrefs.edit().remove(LocalSettingsConstants.PREF_ACCOUNT_NAME).apply();
+        } else {
+            mPrefs.edit().putString(LocalSettingsConstants.PREF_ACCOUNT_NAME, accountName).apply();
+        }
+    }
+
     private void forcePassingShortTime() {
         // 3 days.
         final int timeToElapse = (int)TimeUnit.DAYS.toSeconds(3);
@@ -142,7 +169,7 @@ public class UserHistoryDictionaryTests extends AndroidTestCase {
      */
     private static String generateWord(final int value) {
         final int lengthOfChars = CHARACTERS.length;
-        StringBuilder builder = new StringBuilder();
+        final StringBuilder builder = new StringBuilder();
         long lvalue = Math.abs((long)value);
         while (lvalue > 0) {
             builder.append(CHARACTERS[(int)(lvalue % lengthOfChars)]);
@@ -162,7 +189,7 @@ public class UserHistoryDictionaryTests extends AndroidTestCase {
     private static void addToDict(final UserHistoryDictionary dict, final List<String> words,
             final int timestamp) {
         NgramContext ngramContext = NgramContext.EMPTY_PREV_WORDS_INFO;
-        for (String word : words) {
+        for (final String word : words) {
             UserHistoryDictionary.addToDictionary(dict, ngramContext, word, true, timestamp,
                     DistracterFilter.EMPTY_DISTRACTER_FILTER);
             ngramContext = ngramContext.getNextNgramContext(new WordInfo(word));
@@ -204,12 +231,12 @@ public class UserHistoryDictionaryTests extends AndroidTestCase {
         Log.d(TAG, "This test can be used for profiling.");
         Log.d(TAG, "Usage: please set UserHistoryDictionary.PROFILE_SAVE_RESTORE to true.");
         final Locale dummyLocale = getDummyLocale("random_words");
-        final String dictName = ExpandableBinaryDictionary.getDictName(
-                UserHistoryDictionary.NAME, dummyLocale, null /* dictFile */);
+        final String dictName = UserHistoryDictionary.getUserHistoryDictName(
+                UserHistoryDictionary.NAME, dummyLocale, null /* dictFile */, getContext());
         final File dictFile = ExpandableBinaryDictionary.getDictFile(
                 mContext, dictName, null /* dictFile */);
         final UserHistoryDictionary dict = PersonalizationHelper.getUserHistoryDictionary(
-                getContext(), dummyLocale);
+                getContext(), dummyLocale, TEST_ACCOUNT);
 
         final int numberOfWords = 1000;
         final Random random = new Random(123456);
@@ -232,12 +259,12 @@ public class UserHistoryDictionaryTests extends AndroidTestCase {
             // Create filename suffixes for this test.
             for (int i = 0; i < numberOfLanguages; i++) {
                 final Locale dummyLocale = getDummyLocale("switching_languages" + i);
-                final String dictName = ExpandableBinaryDictionary.getDictName(
-                        UserHistoryDictionary.NAME, dummyLocale, null /* dictFile */);
+                final String dictName = UserHistoryDictionary.getUserHistoryDictName(
+                        UserHistoryDictionary.NAME, dummyLocale, null /* dictFile */, getContext());
                 dictFiles[i] = ExpandableBinaryDictionary.getDictFile(
                         mContext, dictName, null /* dictFile */);
                 dicts[i] = PersonalizationHelper.getUserHistoryDictionary(getContext(),
-                        dummyLocale);
+                        dummyLocale, TEST_ACCOUNT);
                 clearHistory(dicts[i]);
             }
 
@@ -262,14 +289,14 @@ public class UserHistoryDictionaryTests extends AndroidTestCase {
 
     public void testAddManyWords() {
         final Locale dummyLocale = getDummyLocale("many_random_words");
-        final String dictName = ExpandableBinaryDictionary.getDictName(
-                UserHistoryDictionary.NAME, dummyLocale, null /* dictFile */);
+        final String dictName = UserHistoryDictionary.getUserHistoryDictName(
+                UserHistoryDictionary.NAME, dummyLocale, null /* dictFile */, getContext());
         final File dictFile = ExpandableBinaryDictionary.getDictFile(
                 mContext, dictName, null /* dictFile */);
         final int numberOfWords = 10000;
         final Random random = new Random(123456);
         final UserHistoryDictionary dict = PersonalizationHelper.getUserHistoryDictionary(
-                getContext(), dummyLocale);
+                getContext(), dummyLocale, TEST_ACCOUNT);
         clearHistory(dict);
         try {
             addAndWriteRandomWords(dict, numberOfWords, random, true /* checksContents */);
@@ -281,7 +308,7 @@ public class UserHistoryDictionaryTests extends AndroidTestCase {
     public void testDecaying() {
         final Locale dummyLocale = getDummyLocale("decaying");
         final UserHistoryDictionary dict = PersonalizationHelper.getUserHistoryDictionary(
-                getContext(), dummyLocale);
+                getContext(), dummyLocale, TEST_ACCOUNT);
         final int numberOfWords = 5000;
         final Random random = new Random(123456);
         resetCurrentTimeForTestMode();
@@ -309,4 +336,9 @@ public class UserHistoryDictionaryTests extends AndroidTestCase {
             assertFalse(dict.isInDictionary(word));
         }
     }
-}
+
+    public void testRandomWords_NullAccount() {
+        updateAccountName(null);
+        testRandomWords();
+    }
+}
\ No newline at end of file