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#include <gtest/gtest.h>
#include <memory>
#include "linear_merger.h"
#include "matching_comparator.h"
#include "mocks/mock_data_array.h"
#include "mocks/mock_vocabulary.h"
#include "phrase.h"
#include "phrase_location.h"
#include "phrase_builder.h"
using namespace std;
using namespace ::testing;
namespace {
class LinearMergerTest : public Test {
protected:
virtual void SetUp() {
shared_ptr<MockVocabulary> vocabulary = make_shared<MockVocabulary>();
EXPECT_CALL(*vocabulary, GetTerminalValue(_))
.WillRepeatedly(Return("word"));
shared_ptr<MockDataArray> data_array = make_shared<MockDataArray>();
EXPECT_CALL(*data_array, GetSentenceId(_))
.WillRepeatedly(Return(1));
shared_ptr<MatchingComparator> comparator =
make_shared<MatchingComparator>(1, 20);
phrase_builder = make_shared<PhraseBuilder>(vocabulary);
linear_merger = make_shared<LinearMerger>(vocabulary, data_array,
comparator);
}
shared_ptr<LinearMerger> linear_merger;
shared_ptr<PhraseBuilder> phrase_builder;
};
TEST_F(LinearMergerTest, aXbTest) {
vector<int> locations;
// Encoding for him X it (see Adam's dissertation).
vector<int> symbols{1, -1, 2};
Phrase phrase = phrase_builder->Build(symbols);
vector<int> suffix_symbols{-1, 2};
Phrase suffix = phrase_builder->Build(suffix_symbols);
vector<int> prefix_locs{2, 6, 10, 15};
vector<int> suffix_locs{0, 4, 8, 13};
linear_merger->Merge(locations, phrase, suffix, prefix_locs.begin(),
prefix_locs.end(), suffix_locs.begin(), suffix_locs.end(), 1, 1);
vector<int> expected_locations{2, 4, 2, 8, 2, 13, 6, 8, 6, 13, 10, 13};
EXPECT_EQ(expected_locations, locations);
}
TEST_F(LinearMergerTest, aXbXcTest) {
vector<int> locations;
// Encoding for it X him X it (see Adam's dissertation).
vector<int> symbols{1, -1, 2, -2, 1};
Phrase phrase = phrase_builder->Build(symbols);
vector<int> suffix_symbols{-1, 2, -2, 1};
Phrase suffix = phrase_builder->Build(suffix_symbols);
vector<int> prefix_locs{0, 2, 0, 6, 0, 10, 4, 6, 4, 10, 4, 15, 8, 10, 8, 15,
13, 15};
vector<int> suffix_locs{2, 4, 2, 8, 2, 13, 6, 8, 6, 13, 10, 13};
linear_merger->Merge(locations, phrase, suffix, prefix_locs.begin(),
prefix_locs.end(), suffix_locs.begin(), suffix_locs.end(), 2, 2);
vector<int> expected_locs{0, 2, 4, 0, 2, 8, 0, 2, 13, 0, 6, 8, 0, 6, 13, 0,
10, 13, 4, 6, 8, 4, 6, 13, 4, 10, 13, 8, 10, 13};
EXPECT_EQ(expected_locs, locations);
}
TEST_F(LinearMergerTest, abXcXdTest) {
// Sentence: Anna has many many nuts and sour apples and juicy apples.
// Phrase: Anna has X and X apples.
vector<int> locations;
vector<int> symbols{1, 2, -1, 3, -2, 4};
Phrase phrase = phrase_builder->Build(symbols);
vector<int> suffix_symbols{2, -1, 3, -2, 4};
Phrase suffix = phrase_builder->Build(suffix_symbols);
vector<int> prefix_locs{1, 6, 1, 9};
vector<int> suffix_locs{2, 6, 8, 2, 6, 11, 2, 9, 11};
linear_merger->Merge(locations, phrase, suffix, prefix_locs.begin(),
prefix_locs.end(), suffix_locs.begin(), suffix_locs.end(), 2, 3);
vector<int> expected_locs{1, 6, 8, 1, 6, 11, 1, 9, 11};
EXPECT_EQ(expected_locs, locations);
}
TEST_F(LinearMergerTest, LargeTest) {
vector<int> locations;
vector<int> symbols{1, -1, 2};
Phrase phrase = phrase_builder->Build(symbols);
vector<int> suffix_symbols{-1, 2};
Phrase suffix = phrase_builder->Build(suffix_symbols);
vector<int> prefix_locs;
for (int i = 0; i < 100; ++i) {
prefix_locs.push_back(i * 20 + 1);
}
vector<int> suffix_locs;
for (int i = 0; i < 100; ++i) {
suffix_locs.push_back(i * 20 + 5);
suffix_locs.push_back(i * 20 + 13);
}
linear_merger->Merge(locations, phrase, suffix, prefix_locs.begin(),
prefix_locs.end(), suffix_locs.begin(), suffix_locs.end(), 1, 1);
EXPECT_EQ(400, locations.size());
for (int i = 0; i < 100; ++i) {
EXPECT_EQ(i * 20 + 1, locations[4 * i]);
EXPECT_EQ(i * 20 + 5, locations[4 * i + 1]);
EXPECT_EQ(i * 20 + 1, locations[4 * i + 2]);
EXPECT_EQ(i * 20 + 13, locations[4 * i + 3]);
}
}
TEST_F(LinearMergerTest, EmptyResultTest) {
vector<int> locations;
vector<int> symbols{1, -1, 2};
Phrase phrase = phrase_builder->Build(symbols);
vector<int> suffix_symbols{-1, 2};
Phrase suffix = phrase_builder->Build(suffix_symbols);
vector<int> prefix_locs;
for (int i = 0; i < 100; ++i) {
prefix_locs.push_back(i * 200 + 1);
}
vector<int> suffix_locs;
for (int i = 0; i < 100; ++i) {
suffix_locs.push_back(i * 200 + 101);
}
linear_merger->Merge(locations, phrase, suffix, prefix_locs.begin(),
prefix_locs.end(), suffix_locs.begin(), suffix_locs.end(), 1, 1);
EXPECT_EQ(0, locations.size());
}
} // namespace
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