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103 lines
3.1 KiB
C++
103 lines
3.1 KiB
C++
/***********************************************************************
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Moses - factored phrase-based language decoder
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Copyright (C) 2010 University of Edinburgh
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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***********************************************************************/
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#include <boost/test/unit_test.hpp>
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#include "FactorCollection.h"
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#include "PhraseLengthFeature.h"
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#include "Sentence.h"
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#include "TargetPhrase.h"
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#include "TranslationOption.h"
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using namespace Moses;
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using namespace std;
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BOOST_AUTO_TEST_SUITE(phrase_length_feature)
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//TODO: Factor out setup code so that it can be reused
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static Word MakeWord(string text) {
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FactorCollection &factorCollection = FactorCollection::Instance();
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const Factor* f = factorCollection.AddFactor(Input,0,text);
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Word w;
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w.SetFactor(0,f);
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return w;
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}
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BOOST_AUTO_TEST_CASE(evaluate) {
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Word w1 = MakeWord("w1");
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Word w2 = MakeWord("y2");
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Word w3 = MakeWord("x3");
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Word w4 = MakeWord("w4");
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Phrase p1;
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p1.AddWord(w1);
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p1.AddWord(w3);
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p1.AddWord(w4);
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Phrase p2;
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p2.AddWord(w1);
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p2.AddWord(w2);
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Phrase p3;
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p3.AddWord(w2);
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p3.AddWord(w1);
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p3.AddWord(w4);
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p3.AddWord(w4);
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TargetPhrase tp1(p1);
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TargetPhrase tp2(p2);
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TargetPhrase tp3(p3);
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Sentence sentence;
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vector<FactorType> order;
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order.push_back(0);
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stringstream in("the input sentence has 6 words");
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sentence.Read(in, order);
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TranslationOption topt1(WordsRange(0,0), tp1, sentence);
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TranslationOption topt2(WordsRange(1,3), tp2, sentence);
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TranslationOption topt3(WordsRange(2,3), tp3, sentence);
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PhraseBasedFeatureContext context1(topt1,sentence);
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PhraseBasedFeatureContext context2(topt2,sentence);
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PhraseBasedFeatureContext context3(topt3,sentence);
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PhraseLengthFeature plf;
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ScoreComponentCollection acc1,acc2,acc3;
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plf.Evaluate(context1, &acc1);
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BOOST_CHECK_EQUAL(acc1.GetScoreForProducer(&plf, "s1"),1);
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BOOST_CHECK_EQUAL(acc1.GetScoreForProducer(&plf, "t3"),1);
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BOOST_CHECK_EQUAL(acc1.GetScoreForProducer(&plf, "1,3"),1);
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plf.Evaluate(context2, &acc2);
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BOOST_CHECK_EQUAL(acc2.GetScoreForProducer(&plf, "s3"),1);
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BOOST_CHECK_EQUAL(acc2.GetScoreForProducer(&plf, "t2"),1);
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BOOST_CHECK_EQUAL(acc2.GetScoreForProducer(&plf, "3,2"),1);
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plf.Evaluate(context3, &acc3);
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BOOST_CHECK_EQUAL(acc3.GetScoreForProducer(&plf, "s2"),1);
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BOOST_CHECK_EQUAL(acc3.GetScoreForProducer(&plf, "t4"),1);
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BOOST_CHECK_EQUAL(acc3.GetScoreForProducer(&plf, "2,4"),1);
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}
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BOOST_AUTO_TEST_SUITE_END()
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