LatinIME/tests/src/com/android/inputmethod/latin/SuggestedWordsTests.java

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/*
* Copyright (C) 2013 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.inputmethod.latin;
import android.test.AndroidTestCase;
import android.test.suitebuilder.annotation.SmallTest;
import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo;
import java.util.ArrayList;
import java.util.Locale;
@SmallTest
public class SuggestedWordsTests extends AndroidTestCase {
/**
* Helper method to create a dummy {@link SuggestedWordInfo} with specifying
* {@link SuggestedWordInfo#KIND_TYPED}.
*
* @param word the word to be used to create {@link SuggestedWordInfo}.
* @return a new instance of {@link SuggestedWordInfo}.
*/
private static SuggestedWordInfo createTypedWordInfo(final String word) {
// Use 100 as the frequency because the numerical value does not matter as
// long as it's > 1 and < INT_MAX.
return new SuggestedWordInfo(word, 100 /* score */,
SuggestedWordInfo.KIND_TYPED,
null /* sourceDict */,
SuggestedWordInfo.NOT_AN_INDEX /* indexOfTouchPointOfSecondWord */,
1 /* autoCommitFirstWordConfidence */);
}
/**
* Helper method to create a dummy {@link SuggestedWordInfo} with specifying
* {@link SuggestedWordInfo#KIND_CORRECTION}.
*
* @param word the word to be used to create {@link SuggestedWordInfo}.
* @return a new instance of {@link SuggestedWordInfo}.
*/
private static SuggestedWordInfo createCorrectionWordInfo(final String word) {
return new SuggestedWordInfo(word, 1 /* score */,
SuggestedWordInfo.KIND_CORRECTION,
null /* sourceDict */,
SuggestedWordInfo.NOT_AN_INDEX /* indexOfTouchPointOfSecondWord */,
SuggestedWordInfo.NOT_A_CONFIDENCE /* autoCommitFirstWordConfidence */);
}
public void testGetSuggestedWordsExcludingTypedWord() {
final String TYPED_WORD = "typed";
final int NUMBER_OF_ADDED_SUGGESTIONS = 5;
final int KIND_OF_SECOND_CORRECTION = SuggestedWordInfo.KIND_CORRECTION;
final ArrayList<SuggestedWordInfo> list = new ArrayList<>();
list.add(createTypedWordInfo(TYPED_WORD));
for (int i = 0; i < NUMBER_OF_ADDED_SUGGESTIONS; ++i) {
list.add(createCorrectionWordInfo(Integer.toString(i)));
}
final SuggestedWords words = new SuggestedWords(
list, null /* rawSuggestions */,
false /* typedWordValid */,
false /* willAutoCorrect */,
false /* isObsoleteSuggestions */,
SuggestedWords.INPUT_STYLE_NONE);
assertEquals(NUMBER_OF_ADDED_SUGGESTIONS + 1, words.size());
assertEquals("typed", words.getWord(0));
assertTrue(words.getInfo(0).isKindOf(SuggestedWordInfo.KIND_TYPED));
assertEquals("0", words.getWord(1));
assertTrue(words.getInfo(1).isKindOf(KIND_OF_SECOND_CORRECTION));
assertEquals("4", words.getWord(5));
assertTrue(words.getInfo(5).isKindOf(KIND_OF_SECOND_CORRECTION));
final SuggestedWords wordsWithoutTyped =
words.getSuggestedWordsExcludingTypedWordForRecorrection();
// Make sure that the typed word has indeed been excluded, by testing the size of the
// suggested words, the string and the kind of the top suggestion, which should match
// the string and kind of what we inserted after the typed word.
assertEquals(words.size() - 1, wordsWithoutTyped.size());
assertEquals("0", wordsWithoutTyped.getWord(0));
assertTrue(wordsWithoutTyped.getInfo(0).isKindOf(KIND_OF_SECOND_CORRECTION));
}
// Helper for testGetTransformedWordInfo
private SuggestedWordInfo transformWordInfo(final String info,
final int trailingSingleQuotesCount) {
final SuggestedWordInfo suggestedWordInfo = createTypedWordInfo(info);
final SuggestedWordInfo returnedWordInfo =
Suggest.getTransformedSuggestedWordInfo(suggestedWordInfo,
Locale.ENGLISH, false /* isAllUpperCase */, false /* isFirstCharCapitalized */,
trailingSingleQuotesCount);
assertEquals(suggestedWordInfo.mAutoCommitFirstWordConfidence,
returnedWordInfo.mAutoCommitFirstWordConfidence);
return returnedWordInfo;
}
public void testGetTransformedSuggestedWordInfo() {
SuggestedWordInfo result = transformWordInfo("word", 0);
assertEquals(result.mWord, "word");
result = transformWordInfo("word", 1);
assertEquals(result.mWord, "word'");
result = transformWordInfo("word", 3);
assertEquals(result.mWord, "word'''");
result = transformWordInfo("didn't", 0);
assertEquals(result.mWord, "didn't");
result = transformWordInfo("didn't", 1);
assertEquals(result.mWord, "didn't");
result = transformWordInfo("didn't", 3);
assertEquals(result.mWord, "didn't''");
}
public void testGetTypedWordInfoOrNull() {
final String TYPED_WORD = "typed";
final int NUMBER_OF_ADDED_SUGGESTIONS = 5;
final ArrayList<SuggestedWordInfo> list = new ArrayList<>();
list.add(createTypedWordInfo(TYPED_WORD));
for (int i = 0; i < NUMBER_OF_ADDED_SUGGESTIONS; ++i) {
list.add(createCorrectionWordInfo(Integer.toString(i)));
}
// Make sure getTypedWordInfoOrNull() returns non-null object.
final SuggestedWords wordsWithTypedWord = new SuggestedWords(
list, null /* rawSuggestions */,
false /* typedWordValid */,
false /* willAutoCorrect */,
false /* isObsoleteSuggestions */,
SuggestedWords.INPUT_STYLE_NONE);
final SuggestedWordInfo typedWord = wordsWithTypedWord.getTypedWordInfoOrNull();
assertNotNull(typedWord);
assertEquals(TYPED_WORD, typedWord.mWord);
// Make sure getTypedWordInfoOrNull() returns null.
final SuggestedWords wordsWithoutTypedWord =
wordsWithTypedWord.getSuggestedWordsExcludingTypedWordForRecorrection();
assertNull(wordsWithoutTypedWord.getTypedWordInfoOrNull());
// Make sure getTypedWordInfoOrNull() returns null.
assertNull(SuggestedWords.getEmptyInstance().getTypedWordInfoOrNull());
final SuggestedWords emptySuggestedWords = new SuggestedWords(
new ArrayList<SuggestedWordInfo>(), null /* rawSuggestions */,
false /* typedWordValid */,
false /* willAutoCorrect */,
false /* isObsoleteSuggestions */,
SuggestedWords.INPUT_STYLE_NONE);
assertNull(emptySuggestedWords.getTypedWordInfoOrNull());
assertNull(SuggestedWords.getEmptyInstance().getTypedWordInfoOrNull());
}
}