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#include <gtest/gtest.h>
#include <memory>
#include "mocks/mock_suffix_array.h"
#include "mocks/mock_data_array.h"
#include "phrase_location.h"
#include "sampler.h"
using namespace std;
using namespace ::testing;
namespace extractor {
namespace {
class SamplerTestBlacklist : public Test {
protected:
virtual void SetUp() {
source_data_array = make_shared<MockDataArray>();
for (int i = 0; i < 10; ++i) {
EXPECT_CALL(*source_data_array, GetSentenceId(i)).WillRepeatedly(Return(i));
}
for (int i = -10; i < 0; ++i) {
EXPECT_CALL(*source_data_array, GetSentenceId(i)).WillRepeatedly(Return(0));
}
suffix_array = make_shared<MockSuffixArray>();
for (int i = -10; i < 10; ++i) {
EXPECT_CALL(*suffix_array, GetSuffix(i)).WillRepeatedly(Return(i));
}
}
shared_ptr<MockSuffixArray> suffix_array;
shared_ptr<Sampler> sampler;
shared_ptr<MockDataArray> source_data_array;
};
TEST_F(SamplerTestBlacklist, TestSuffixArrayRange) {
PhraseLocation location(0, 10);
unordered_set<int> blacklist;
vector<int> expected_locations;
blacklist.insert(0);
sampler = make_shared<Sampler>(suffix_array, 1);
expected_locations = {1};
EXPECT_EQ(PhraseLocation(expected_locations, 1), sampler->Sample(location, blacklist, source_data_array));
blacklist.clear();
for (int i = 0; i < 9; i++) {
blacklist.insert(i);
}
sampler = make_shared<Sampler>(suffix_array, 1);
expected_locations = {9};
EXPECT_EQ(PhraseLocation(expected_locations, 1), sampler->Sample(location, blacklist, source_data_array));
blacklist.clear();
blacklist.insert(0);
blacklist.insert(5);
sampler = make_shared<Sampler>(suffix_array, 2);
expected_locations = {1, 4};
EXPECT_EQ(PhraseLocation(expected_locations, 1), sampler->Sample(location, blacklist, source_data_array));
blacklist.clear();
blacklist.insert(0);
blacklist.insert(1);
blacklist.insert(2);
blacklist.insert(3);
sampler = make_shared<Sampler>(suffix_array, 2);
expected_locations = {4, 5};
EXPECT_EQ(PhraseLocation(expected_locations, 1), sampler->Sample(location, blacklist, source_data_array));
blacklist.clear();
blacklist.insert(0);
blacklist.insert(3);
blacklist.insert(7);
sampler = make_shared<Sampler>(suffix_array, 3);
expected_locations = {1, 2, 6};
EXPECT_EQ(PhraseLocation(expected_locations, 1), sampler->Sample(location, blacklist, source_data_array));
blacklist.clear();
blacklist.insert(0);
blacklist.insert(3);
blacklist.insert(5);
blacklist.insert(8);
sampler = make_shared<Sampler>(suffix_array, 4);
expected_locations = {1, 2, 4, 7};
EXPECT_EQ(PhraseLocation(expected_locations, 1), sampler->Sample(location, blacklist, source_data_array));
blacklist.clear();
blacklist.insert(0);
sampler = make_shared<Sampler>(suffix_array, 100);
expected_locations = {1, 2, 3, 4, 5, 6, 7, 8, 9};
EXPECT_EQ(PhraseLocation(expected_locations, 1), sampler->Sample(location, blacklist, source_data_array));
blacklist.clear();
blacklist.insert(9);
sampler = make_shared<Sampler>(suffix_array, 100);
expected_locations = {0, 1, 2, 3, 4, 5, 6, 7, 8};
EXPECT_EQ(PhraseLocation(expected_locations, 1), sampler->Sample(location, blacklist, source_data_array));
}
} // namespace
} // namespace extractor
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