1 /* 2 * Copyright (C) 2014 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.inputmethod.latin.utils; 18 19 import android.test.AndroidTestCase; 20 import android.test.suitebuilder.annotation.LargeTest; 21 22 import com.android.inputmethod.latin.BinaryDictionary; 23 import com.android.inputmethod.latin.makedict.DictionaryHeader; 24 import com.android.inputmethod.latin.makedict.FormatSpec; 25 26 import java.io.File; 27 import java.io.IOException; 28 import java.util.HashMap; 29 import java.util.Locale; 30 import java.util.Map; 31 import java.util.concurrent.TimeUnit; 32 33 @LargeTest 34 public class BinaryDictionaryUtilsTests extends AndroidTestCase { 35 private static final String TEST_DICT_FILE_EXTENSION = ".testDict"; 36 private static final String TEST_LOCALE = "test"; 37 38 private File createEmptyDictionaryAndGetFile(final String dictId, 39 final int formatVersion) throws IOException { 40 if (formatVersion == FormatSpec.VERSION4) { 41 return createEmptyVer4DictionaryAndGetFile(dictId); 42 } else { 43 throw new IOException("Dictionary format version " + formatVersion 44 + " is not supported."); 45 } 46 } 47 48 private File createEmptyVer4DictionaryAndGetFile(final String dictId) throws IOException { 49 final File file = getDictFile(dictId); 50 FileUtils.deleteRecursively(file); 51 Map<String, String> attributeMap = new HashMap<>(); 52 attributeMap.put(DictionaryHeader.DICTIONARY_ID_KEY, dictId); 53 attributeMap.put(DictionaryHeader.DICTIONARY_VERSION_KEY, 54 String.valueOf(TimeUnit.MILLISECONDS.toSeconds(System.currentTimeMillis()))); 55 attributeMap.put(DictionaryHeader.USES_FORGETTING_CURVE_KEY, 56 DictionaryHeader.ATTRIBUTE_VALUE_TRUE); 57 attributeMap.put(DictionaryHeader.HAS_HISTORICAL_INFO_KEY, 58 DictionaryHeader.ATTRIBUTE_VALUE_TRUE); 59 if (BinaryDictionaryUtils.createEmptyDictFile(file.getAbsolutePath(), FormatSpec.VERSION4, 60 LocaleUtils.constructLocaleFromString(TEST_LOCALE), attributeMap)) { 61 return file; 62 } else { 63 throw new IOException("Empty dictionary " + file.getAbsolutePath() 64 + " cannot be created."); 65 } 66 } 67 68 private File getDictFile(final String dictId) { 69 return new File(getContext().getCacheDir(), dictId + TEST_DICT_FILE_EXTENSION); 70 } 71 72 public void testRenameDictionary() { 73 final int formatVersion = FormatSpec.VERSION4; 74 File dictFile0 = null; 75 try { 76 dictFile0 = createEmptyDictionaryAndGetFile("MoveFromDictionary", formatVersion); 77 } catch (IOException e) { 78 fail("IOException while writing an initial dictionary : " + e); 79 } 80 final File dictFile1 = getDictFile("MoveToDictionary"); 81 FileUtils.deleteRecursively(dictFile1); 82 assertTrue(BinaryDictionaryUtils.renameDict(dictFile0, dictFile1)); 83 assertFalse(dictFile0.exists()); 84 assertTrue(dictFile1.exists()); 85 BinaryDictionary binaryDictionary = new BinaryDictionary(dictFile1.getAbsolutePath(), 86 0 /* offset */, dictFile1.length(), true /* useFullEditDistance */, 87 Locale.getDefault(), TEST_LOCALE, true /* isUpdatable */); 88 assertTrue(binaryDictionary.isValidDictionary()); 89 assertTrue(binaryDictionary.getFormatVersion() == formatVersion); 90 binaryDictionary.close(); 91 } 92 } 93