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/*
* Copyright (C) 2010,2011 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 com.android.inputmethod.latin.tests.R;
import android.content.res.AssetFileDescriptor;
import java.util.Locale;
public class SuggestTests extends SuggestTestsBase {
private SuggestHelper mHelper;
@Override
protected void setUp() throws Exception {
super.setUp();
final AssetFileDescriptor dict = openTestRawResourceFd(R.raw.test);
mHelper = new SuggestHelper(
getContext(), mTestPackageFile, dict.getStartOffset(), dict.getLength(),
createKeyboardId(Locale.US));
mHelper.setCorrectionMode(Suggest.CORRECTION_FULL_BIGRAM);
}
/************************** Tests ************************/
/**
* Tests for simple completions of one character.
*/
public void testCompletion1char() {
suggested("people", mHelper.getFirstSuggestion("peopl"));
suggested("about", mHelper.getFirstSuggestion("abou"));
suggested("their", mHelper.getFirstSuggestion("thei"));
}
/**
* Tests for simple completions of two characters.
*/
public void testCompletion2char() {
suggested("people", mHelper.getFirstSuggestion("peop"));
suggested("calling", mHelper.getFirstSuggestion("calli"));
suggested("business", mHelper.getFirstSuggestion("busine"));
}
/**
* Tests for proximity errors.
*/
public void testProximityPositive() {
suggested("typed peiple", "people", mHelper.getFirstSuggestion("peiple"));
suggested("typed peoole", "people", mHelper.getFirstSuggestion("peoole"));
suggested("typed pwpple", "people", mHelper.getFirstSuggestion("pwpple"));
}
/**
* Tests for proximity errors - negative, when the error key is not close.
*/
public void testProximityNegative() {
notSuggested("about", mHelper.getFirstSuggestion("arout"));
notSuggested("are", mHelper.getFirstSuggestion("ire"));
}
/**
* Tests for checking if apostrophes are added automatically.
*/
public void testApostropheInsertion() {
suggested("I'm", mHelper.getFirstSuggestion("im"));
suggested("don't", mHelper.getFirstSuggestion("dont"));
}
/**
* Test to make sure apostrophed word is not suggested for an apostrophed word.
*/
public void testApostrophe() {
notSuggested("don't", mHelper.getFirstSuggestion("don't"));
}
/**
* Tests for suggestion of capitalized version of a word.
*/
public void testCapitalization() {
suggested("I'm", mHelper.getFirstSuggestion("i'm"));
suggested("Sunday", mHelper.getFirstSuggestion("sunday"));
suggested("Sunday", mHelper.getFirstSuggestion("sundat"));
}
/**
* Tests to see if more than one completion is provided for certain prefixes.
*/
public void testMultipleCompletions() {
isInSuggestions("com: come", mHelper.getSuggestIndex("com", "come"));
isInSuggestions("com: company", mHelper.getSuggestIndex("com", "company"));
isInSuggestions("th: the", mHelper.getSuggestIndex("th", "the"));
isInSuggestions("th: that", mHelper.getSuggestIndex("th", "that"));
isInSuggestions("th: this", mHelper.getSuggestIndex("th", "this"));
isInSuggestions("th: they", mHelper.getSuggestIndex("th", "they"));
}
/**
* Does the suggestion engine recognize zero frequency words as valid words.
*/
public void testZeroFrequencyAccepted() {
assertTrue("valid word yikes", mHelper.isValidWord("yikes"));
assertFalse("non valid word yike", mHelper.isValidWord("yike"));
}
/**
* Tests to make sure that zero frequency words are not suggested as completions.
*/
public void testZeroFrequencySuggestionsNegative() {
assertTrue(mHelper.getSuggestIndex("yike", "yikes") < 0);
assertTrue(mHelper.getSuggestIndex("what", "whatcha") < 0);
}
/**
* Tests to ensure that words with large edit distances are not suggested, in some cases.
* Also such word is not considered auto correction, in some cases.
*/
public void testTooLargeEditDistance() {
assertTrue(mHelper.getSuggestIndex("sniyr", "about") < 0);
// TODO: The following test fails.
// notSuggested("the", mHelper.getAutoCorrection("rjw"));
}
/**
* Make sure mHelper.isValidWord is case-sensitive.
*/
public void testValidityCaseSensitivity() {
assertTrue("valid word Sunday", mHelper.isValidWord("Sunday"));
assertFalse("non valid word sunday", mHelper.isValidWord("sunday"));
}
/**
* Are accented forms of words suggested as corrections?
*/
public void testAccents() {
// ni<LATIN SMALL LETTER N WITH TILDE>o
suggested("ni\u00F1o", mHelper.getAutoCorrection("nino"));
// ni<LATIN SMALL LETTER N WITH TILDE>o
suggested("ni\u00F1o", mHelper.getAutoCorrection("nimo"));
// Mar<LATIN SMALL LETTER I WITH ACUTE>a
suggested("Mar\u00EDa", mHelper.getAutoCorrection("maria"));
}
/**
* Make sure bigrams are showing when first character is typed
* and don't show any when there aren't any
*/
public void testBigramsAtFirstChar() {
suggested("bigram: about p[art]",
"part", mHelper.getBigramFirstSuggestion("about", "p"));
suggested("bigram: I'm a[bout]",
"about", mHelper.getBigramFirstSuggestion("I'm", "a"));
suggested("bigram: about b[usiness]",
"business", mHelper.getBigramFirstSuggestion("about", "b"));
isInSuggestions("bigram: about b[eing]",
mHelper.searchBigramSuggestion("about", "b", "being"));
notSuggested("bigram: about p",
"business", mHelper.getBigramFirstSuggestion("about", "p"));
}
/**
* Make sure bigrams score affects the original score
*/
public void testBigramsScoreEffect() {
suggested("single: page",
"page", mHelper.getAutoCorrection("pa"));
suggested("bigram: about pa[rt]",
"part", mHelper.getBigramAutoCorrection("about", "pa"));
// TODO: The following test fails.
// suggested("single: said", "said", mHelper.getAutoCorrection("sa"));
suggested("bigram: from sa[me]",
"same", mHelper.getBigramAutoCorrection("from", "sa"));
}
}
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