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/***********************************************************************
Moses - factored phrase-based language decoder
Copyright (C) 2010 University of Edinburgh
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
***********************************************************************/
#include <cstdio>
#include <cstdlib>
#include <string>
#include <unistd.h>
#include <boost/test/unit_test.hpp>
#include "FactorCollection.h"
#include "Sentence.h"
#include "TargetBigramFeature.h"
#include "Word.h"
#include "MockHypothesis.h"
using namespace std;
using namespace Moses;
namespace MosesTest
{
BOOST_AUTO_TEST_SUITE(target_bigram)
static Word MakeWord(string text)
{
FactorCollection &factorCollection = FactorCollection::Instance();
const Factor* f = factorCollection.AddFactor(Input,0,text);
Word w;
w.SetFactor(0,f);
return w;
}
class VocabFileFixture
{
public:
template<class I>
VocabFileFixture(I begin, I end) {
char name[] = "TargetBigramXXXXXX";
int fd = mkstemp(name);
BOOST_CHECK(fd != -1);
BOOST_CHECK(!close(fd));
filename = name;
ofstream out(name);
for (I i = begin; i != end; ++i) {
out << *i << endl;
}
out.close();
}
~VocabFileFixture() {
BOOST_CHECK(!remove(filename.c_str()));
}
string filename;
};
/*
BOOST_AUTO_TEST_CASE(Test2)
{
HypothesisFixture hypos;
cerr << hypos.empty() << ", " << *hypos.empty() << endl;
cerr << hypos.partial() << ", " << *hypos.partial() << endl;
cerr << hypos.full() << ", " << *hypos.full() << endl;
BOOST_CHECK(true);
} */
BOOST_AUTO_TEST_CASE(state_compare)
{
Word w1 = MakeWord("w1");
Word w2 = MakeWord("w2");
TargetBigramState s1(w1);
TargetBigramState s2(w2);
BOOST_CHECK_EQUAL(s1.Compare(s1),0);
BOOST_CHECK_EQUAL(s2.Compare(s2),0);
BOOST_CHECK_NE(s1.Compare(s2),0);
BOOST_CHECK_NE(s2.Compare(s1),0);
}
BOOST_AUTO_TEST_CASE(load)
{
TargetBigramFeature tbf;
string vocab[] = {"je", "ne", "pas"};
VocabFileFixture vocabFixture(vocab,vocab+3);
BOOST_CHECK(tbf.Load(vocabFixture.filename));
BOOST_CHECK(!tbf.Load("/gweugegyiegy"));
}
BOOST_AUTO_TEST_CASE(score_components)
{
TargetBigramFeature tbf;
BOOST_CHECK_EQUAL(
tbf.GetNumScoreComponents(),
ScoreProducer::unlimited);
}
BOOST_AUTO_TEST_CASE(empty_hypo)
{
Sentence s;
TargetBigramFeature tbf;
auto_ptr<const FFState> ffs(tbf.EmptyHypothesisState(s));
BOOST_CHECK(ffs.get());
TargetBigramState expected(MakeWord(BOS_));
BOOST_CHECK_EQUAL(ffs->Compare(expected),0);
}
//Test of evaluate() where a vocab is specified
BOOST_AUTO_TEST_CASE(evaluate_vocab)
{
string vocab[] = {"i", "do"};
VocabFileFixture vocabFile(vocab,vocab+2);
HypothesisFixture hypos;
TargetBigramFeature tbf;
BOOST_CHECK(tbf.Load(vocabFile.filename));
TargetBigramState prevState(MakeWord("i"));
ScoreComponentCollection scc;
auto_ptr<FFState> currState(
tbf.Evaluate(*hypos.partial(), &prevState, &scc));
BOOST_CHECK_EQUAL(scc.GetScoreForProducer(&tbf, "i:do"),1);
BOOST_CHECK_EQUAL(scc.GetScoreForProducer(&tbf, "do:not"),0);
BOOST_CHECK(! currState->Compare(TargetBigramState(MakeWord("not"))));
}
//Test of evaluate() where no vocab file is specified
BOOST_AUTO_TEST_CASE(evaluate_all)
{
HypothesisFixture hypos;
TargetBigramFeature tbf;
BOOST_CHECK(tbf.Load("*"));
TargetBigramState prevState(MakeWord("i"));
ScoreComponentCollection scc;
auto_ptr<FFState> currState(
tbf.Evaluate(*hypos.partial(),&prevState,&scc));
BOOST_CHECK_EQUAL(scc.GetScoreForProducer(&tbf, "i:do"),1);
BOOST_CHECK_EQUAL(scc.GetScoreForProducer(&tbf, "do:not"),1);
BOOST_CHECK_EQUAL(scc.GetScoreForProducer(&tbf, "not:</s>"),0);
BOOST_CHECK(! currState->Compare(TargetBigramState(MakeWord("not"))));
}
BOOST_AUTO_TEST_CASE(evaluate_empty)
{
HypothesisFixture hypos;
TargetBigramFeature tbf;
BOOST_CHECK(tbf.Load("*"));
auto_ptr<const FFState> prevState(tbf.EmptyHypothesisState(Sentence()));
ScoreComponentCollection scc;
auto_ptr<const FFState> currState(
tbf.Evaluate(*hypos.empty(),prevState.get(),&scc));
BOOST_CHECK(! currState->Compare(*prevState));
}
BOOST_AUTO_TEST_CASE(evaluate_eos)
{
HypothesisFixture hypos;
TargetBigramFeature tbf;
BOOST_CHECK(tbf.Load("*"));
TargetBigramState prevState(MakeWord("know"));
ScoreComponentCollection scc;
auto_ptr<const FFState> currState(
tbf.Evaluate(*hypos.full(),&prevState,&scc));
BOOST_CHECK_EQUAL(scc.GetScoreForProducer(&tbf, ".:</s>"),1);
BOOST_CHECK_EQUAL(scc.GetScoreForProducer(&tbf, "know:."),1);
BOOST_CHECK(! currState.get());
}
BOOST_AUTO_TEST_SUITE_END()
}
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