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#include <gtest/gtest.h>
#include <memory>
#include <vector>
#include "mocks/mock_data_array.h"
#include "mocks/mock_suffix_array.h"
#include "precomputation.h"
using namespace std;
using namespace ::testing;
namespace {
class PrecomputationTest : public Test {
protected:
virtual void SetUp() {
data = {4, 2, 3, 5, 7, 2, 3, 5, 2, 3, 4, 2, 1};
data_array = make_shared<MockDataArray>();
EXPECT_CALL(*data_array, GetData()).WillRepeatedly(ReturnRef(data));
vector<int> suffixes{12, 8, 5, 1, 9, 6, 2, 0, 10, 7, 3, 4, 13};
vector<int> lcp{-1, 0, 2, 3, 1, 0, 1, 2, 0, 2, 0, 1, 0, 0};
suffix_array = make_shared<MockSuffixArray>();
EXPECT_CALL(*suffix_array, GetData()).WillRepeatedly(Return(data_array));
for (size_t i = 0; i < suffixes.size(); ++i) {
EXPECT_CALL(*suffix_array,
GetSuffix(i)).WillRepeatedly(Return(suffixes[i]));
}
EXPECT_CALL(*suffix_array, BuildLCPArray()).WillRepeatedly(Return(lcp));
}
vector<int> data;
shared_ptr<MockDataArray> data_array;
shared_ptr<MockSuffixArray> suffix_array;
};
TEST_F(PrecomputationTest, TestInvertedIndex) {
Precomputation precomputation(suffix_array, 100, 3, 10, 5, 1, 4, 2);
Index inverted_index = precomputation.GetInvertedIndex();
EXPECT_EQ(8, inverted_index.size());
vector<int> key = {2};
vector<int> expected_value = {1, 5, 8, 11};
EXPECT_EQ(expected_value, inverted_index[key]);
key = {3};
expected_value = {2, 6, 9};
EXPECT_EQ(expected_value, inverted_index[key]);
key = {4};
expected_value = {0, 10};
EXPECT_EQ(expected_value, inverted_index[key]);
key = {5};
expected_value = {3, 7};
EXPECT_EQ(expected_value, inverted_index[key]);
key = {4, 2};
expected_value = {0, 10};
EXPECT_EQ(expected_value, inverted_index[key]);
key = {2, 3};
expected_value = {1, 5, 8};
EXPECT_EQ(expected_value, inverted_index[key]);
key = {3, 5};
expected_value = {2, 6};
EXPECT_EQ(expected_value, inverted_index[key]);
key = {2, 3, 5};
expected_value = {1, 5};
EXPECT_EQ(expected_value, inverted_index[key]);
key = {2, 4};
EXPECT_EQ(0, inverted_index.count(key));
}
TEST_F(PrecomputationTest, TestCollocations) {
Precomputation precomputation(suffix_array, 3, 3, 10, 5, 1, 4, 2);
Index collocations = precomputation.GetCollocations();
EXPECT_EQ(-1, precomputation.NON_TERMINAL);
vector<int> key = {2, 3, -1, 2};
vector<int> expected_value = {1, 5, 1, 8, 5, 8, 5, 11, 8, 11};
EXPECT_EQ(expected_value, collocations[key]);
key = {2, 3, -1, 2, 3};
expected_value = {1, 5, 1, 8, 5, 8};
EXPECT_EQ(expected_value, collocations[key]);
key = {2, 3, -1, 3};
expected_value = {1, 6, 1, 9, 5, 9};
EXPECT_EQ(expected_value, collocations[key]);
key = {3, -1, 2};
expected_value = {2, 5, 2, 8, 2, 11, 6, 8, 6, 11, 9, 11};
EXPECT_EQ(expected_value, collocations[key]);
key = {3, -1, 3};
expected_value = {2, 6, 2, 9, 6, 9};
EXPECT_EQ(expected_value, collocations[key]);
key = {3, -1, 2, 3};
expected_value = {2, 5, 2, 8, 6, 8};
EXPECT_EQ(expected_value, collocations[key]);
key = {2, -1, 2};
expected_value = {1, 5, 1, 8, 5, 8, 5, 11, 8, 11};
EXPECT_EQ(expected_value, collocations[key]);
key = {2, -1, 2, 3};
expected_value = {1, 5, 1, 8, 5, 8};
EXPECT_EQ(expected_value, collocations[key]);
key = {2, -1, 3};
expected_value = {1, 6, 1, 9, 5, 9};
EXPECT_EQ(expected_value, collocations[key]);
key = {2, -1, 2, -1, 2};
expected_value = {1, 5, 8, 5, 8, 11};
EXPECT_EQ(expected_value, collocations[key]);
key = {2, -1, 2, -1, 3};
expected_value = {1, 5, 9};
EXPECT_EQ(expected_value, collocations[key]);
key = {2, -1, 3, -1, 2};
expected_value = {1, 6, 8, 5, 9, 11};
EXPECT_EQ(expected_value, collocations[key]);
key = {2, -1, 3, -1, 3};
expected_value = {1, 6, 9};
EXPECT_EQ(expected_value, collocations[key]);
key = {3, -1, 2, -1, 2};
expected_value = {2, 5, 8, 2, 5, 11, 2, 8, 11, 6, 8, 11};
EXPECT_EQ(expected_value, collocations[key]);
key = {3, -1, 2, -1, 3};
expected_value = {2, 5, 9};
EXPECT_EQ(expected_value, collocations[key]);
key = {3, -1, 3, -1, 2};
expected_value = {2, 6, 8, 2, 6, 11, 2, 9, 11, 6, 9, 11};
EXPECT_EQ(expected_value, collocations[key]);
key = {3, -1, 3, -1, 3};
expected_value = {2, 6, 9};
EXPECT_EQ(expected_value, collocations[key]);
// Exceeds max_rule_symbols.
key = {2, -1, 2, -1, 2, 3};
EXPECT_EQ(0, collocations.count(key));
// Contains non frequent pattern.
key = {2, -1, 5};
EXPECT_EQ(0, collocations.count(key));
}
} // namespace
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