112 lines
4.5 KiB
Java
112 lines
4.5 KiB
Java
/*
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* Copyright (C) 2010,2011 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not
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* use this file except in compliance with the License. You may obtain a copy of
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* the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations under
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* the License.
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*/
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package com.android.inputmethod.latin;
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import com.android.inputmethod.latin.tests.R;
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import android.content.res.AssetFileDescriptor;
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import java.util.Locale;
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public class UserBigramSuggestTests extends SuggestTestsBase {
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private static final int SUGGESTION_STARTS = 6;
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private static final int MAX_DATA = 20;
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private static final int DELETE_DATA = 10;
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private UserBigramSuggestHelper mHelper;
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@Override
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protected void setUp() throws Exception {
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super.setUp();
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final AssetFileDescriptor dict = openTestRawResourceFd(R.raw.test);
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mHelper = new UserBigramSuggestHelper(
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getContext(), mTestPackageFile, dict.getStartOffset(), dict.getLength(),
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MAX_DATA, DELETE_DATA, US_KEYBOARD_ID);
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}
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/************************** Tests ************************/
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/**
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* Test suggestion started at right time
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*/
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public void testUserBigram() {
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for (int i = 0; i < SUGGESTION_STARTS; i++) mHelper.addToUserBigram(pair1);
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for (int i = 0; i < (SUGGESTION_STARTS - 1); i++) mHelper.addToUserBigram(pair2);
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isInSuggestions("bigram", mHelper.searchUserBigramSuggestion("user", 'b', "bigram"));
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isNotInSuggestions("platform",
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mHelper.searchUserBigramSuggestion("android", 'p', "platform"));
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}
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/**
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* Test loading correct (locale) bigrams
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*/
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public void testOpenAndClose() {
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for (int i = 0; i < SUGGESTION_STARTS; i++) mHelper.addToUserBigram(pair1);
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isInSuggestions("bigram in default locale",
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mHelper.searchUserBigramSuggestion("user", 'b', "bigram"));
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// change to fr_FR
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mHelper.changeUserBigramLocale(Locale.FRANCE);
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for (int i = 0; i < SUGGESTION_STARTS; i++) mHelper.addToUserBigram(pair3);
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isInSuggestions("france in fr_FR",
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mHelper.searchUserBigramSuggestion("locale", 'f', "france"));
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isNotInSuggestions("bigram in fr_FR",
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mHelper.searchUserBigramSuggestion("user", 'b', "bigram"));
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// change back to en_US
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mHelper.changeUserBigramLocale(Locale.US);
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isNotInSuggestions("france in en_US",
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mHelper.searchUserBigramSuggestion("locale", 'f', "france"));
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isInSuggestions("bigram in en_US",
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mHelper.searchUserBigramSuggestion("user", 'b', "bigram"));
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}
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/**
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* Test data gets pruned when it is over maximum
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*/
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public void testPruningData() {
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for (int i = 0; i < SUGGESTION_STARTS; i++) mHelper.addToUserBigram(sentence0);
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mHelper.flushUserBigrams();
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isInSuggestions("world after several sentence 0",
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mHelper.searchUserBigramSuggestion("Hello", 'w', "world"));
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mHelper.addToUserBigram(sentence1);
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mHelper.addToUserBigram(sentence2);
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isInSuggestions("world after sentence 1 and 2",
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mHelper.searchUserBigramSuggestion("Hello", 'w', "world"));
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// pruning should happen
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mHelper.addToUserBigram(sentence3);
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mHelper.addToUserBigram(sentence4);
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// trying to reopen database to check pruning happened in database
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mHelper.changeUserBigramLocale(Locale.US);
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isNotInSuggestions("world after sentence 3 and 4",
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mHelper.searchUserBigramSuggestion("Hello", 'w', "world"));
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}
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private static final String[] pair1 = {"user", "bigram"};
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private static final String[] pair2 = {"android","platform"};
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private static final String[] pair3 = {"locale", "france"};
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private static final String sentence0 = "Hello world";
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private static final String sentence1 = "This is a test for user input based bigram";
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private static final String sentence2 = "It learns phrases that contain both dictionary and "
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+ "nondictionary words";
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private static final String sentence3 = "This should give better suggestions than the previous "
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+ "version";
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private static final String sentence4 = "Android stock keyboard is improving";
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}
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