mosesdecoder/mert/DataTest.cpp

#include "Data.h"
#include "Scorer.h"
#include "ScorerFactory.h"

#define BOOST_TEST_MODULE MertData
#include <boost/test/unit_test.hpp>

#include <boost/scoped_ptr.hpp>

using namespace MosesTuning;

//very basic test of sharding
BOOST_AUTO_TEST_CASE(shard_basic)
{
  boost::scoped_ptr<Scorer> scorer(ScorerFactory::getScorer("BLEU", ""));
  Data data(scorer.get());
  FeatureArray fa1, fa2, fa3, fa4;
  ScoreArray sa1, sa2, sa3, sa4;
  fa1.setIndex(1);
  fa2.setIndex(2);
  fa3.setIndex(3);
  fa4.setIndex(4);
  sa1.setIndex(1);
  sa2.setIndex(2);
  sa3.setIndex(3);
  sa4.setIndex(4);
  data.getFeatureData()->add(fa1);
  data.getFeatureData()->add(fa2);
  data.getFeatureData()->add(fa3);
  data.getFeatureData()->add(fa4);
  data.getScoreData()->add(sa1);
  data.getScoreData()->add(sa2);
  data.getScoreData()->add(sa3);
  data.getScoreData()->add(sa4);

  std::vector<Data> shards;
  data.createShards(2,0,"",shards);

  BOOST_CHECK_EQUAL(shards.size(),(std::size_t)2);
  BOOST_CHECK_EQUAL(shards[1].getFeatureData()->size(),(std::size_t)2);
}

BOOST_AUTO_TEST_CASE(init_feature_map_test)
{
  boost::scoped_ptr<Scorer> scorer(ScorerFactory::getScorer("BLEU", ""));
  Data data(scorer.get());

  std::string s = " d= 0 -7.66174 0 0 -3.51621 0 0 lm= -41.3435 -40.3647 tm= -67.6349 -100.438 -27.6817 -23.4685 8.99907 w= -9 ";
  std::string expected = "d_0 d_1 d_2 d_3 d_4 d_5 d_6 lm_0 lm_1 tm_0 tm_1 tm_2 tm_3 tm_4 w_0 ";
  data.InitFeatureMap(s);
  BOOST_CHECK_EQUAL(expected, data.Features());
}

BOOST_AUTO_TEST_CASE(add_features_test)
{
  boost::scoped_ptr<Scorer> scorer(ScorerFactory::getScorer("BLEU", ""));
  Data data(scorer.get());

  const std::string s1 = " d= 0 lm= -55.5464 -54.8813 w= -8 tm= -75.184 -93.1203 -21.9993 -20.594 7.99917 ";
  const std::string& expected = "d_0 lm_0 lm_1 w_0 tm_0 tm_1 tm_2 tm_3 tm_4 ";
  data.InitFeatureMap(s1);
  BOOST_CHECK_EQUAL(expected, data.Features());

  const std::string& s2 = "d= 0 lm= -64.7399 -65.0127 w= -8 tm= -55.8122 -74.8652 -15.6311 -14.7486 7.99917 ";
  data.AddFeatures(s2, 0);
  const FeatureStats& stats = data.getFeatureData()->get(0, 0);
  BOOST_CHECK_EQUAL(9, stats.size());
  BOOST_CHECK(IsAlmostEqual(0.0f,      stats.get(0)));
  BOOST_CHECK(IsAlmostEqual(-64.7399f, stats.get(1)));
  BOOST_CHECK(IsAlmostEqual(-65.0127f, stats.get(2)));
  BOOST_CHECK(IsAlmostEqual(-8.0f,     stats.get(3)));
  BOOST_CHECK(IsAlmostEqual(-55.8122f, stats.get(4)));
  BOOST_CHECK(IsAlmostEqual(-74.8652f, stats.get(5)));
  BOOST_CHECK(IsAlmostEqual(-15.6311f, stats.get(6)));
  BOOST_CHECK(IsAlmostEqual(-14.7486f, stats.get(7)));
  BOOST_CHECK(IsAlmostEqual(7.99917f,  stats.get(8)));
}