mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
291 lines
9.9 KiB
C++
291 lines
9.9 KiB
C++
/*
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This file is part of solidity.
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solidity is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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solidity is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with solidity. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <test/yulPhaser/TestHelpers.h>
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#include <tools/yulPhaser/Exceptions.h>
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#include <tools/yulPhaser/Phaser.h>
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#include <liblangutil/CharStream.h>
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#include <libsolutil/CommonIO.h>
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#include <boost/filesystem.hpp>
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#include <boost/test/unit_test.hpp>
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#include <algorithm>
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using namespace std;
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using namespace solidity::util;
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using namespace solidity::langutil;
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namespace fs = boost::filesystem;
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namespace solidity::phaser::test
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{
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class GeneticAlgorithmFactoryFixture
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{
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protected:
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GeneticAlgorithmFactory::Options m_options = {
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/* algorithm = */ Algorithm::Random,
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/* minChromosomeLength = */ 50,
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/* maxChromosomeLength = */ 100,
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/* randomElitePoolSize = */ 0.5,
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/* gewepMutationPoolSize = */ 0.1,
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/* gewepCrossoverPoolSize = */ 0.1,
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/* gewepRandomisationChance = */ 0.6,
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/* gewepDeletionVsAdditionChance = */ 0.3,
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/* gewepGenesToRandomise = */ 0.4,
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/* gewepGenesToAddOrDelete = */ 0.2,
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};
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};
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class FitnessMetricFactoryFixture
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{
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protected:
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CharStream m_sourceStream = CharStream("{}", "");
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Program m_program = get<Program>(Program::load(m_sourceStream));
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FitnessMetricFactory::Options m_options = {
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/* chromosomeRepetitions = */ 1,
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};
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};
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class PoulationFactoryFixture
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{
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protected:
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shared_ptr<FitnessMetric> m_fitnessMetric = make_shared<ChromosomeLengthMetric>();
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PopulationFactory::Options m_options = {
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/* minChromosomeLength = */ 0,
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/* maxChromosomeLength = */ 0,
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/* population = */ {},
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/* randomPopulation = */ {},
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/* populationFromFile = */ {},
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};
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};
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BOOST_AUTO_TEST_SUITE(Phaser)
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BOOST_AUTO_TEST_SUITE(PhaserTest)
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BOOST_AUTO_TEST_SUITE(GeneticAlgorithmFactoryTest)
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BOOST_FIXTURE_TEST_CASE(build_should_select_the_right_algorithm_and_pass_the_options_to_it, GeneticAlgorithmFactoryFixture)
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{
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m_options.algorithm = Algorithm::Random;
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unique_ptr<GeneticAlgorithm> algorithm1 = GeneticAlgorithmFactory::build(m_options, 100);
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BOOST_REQUIRE(algorithm1 != nullptr);
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auto randomAlgorithm = dynamic_cast<RandomAlgorithm*>(algorithm1.get());
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BOOST_REQUIRE(randomAlgorithm != nullptr);
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BOOST_TEST(randomAlgorithm->options().elitePoolSize == m_options.randomElitePoolSize.value());
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BOOST_TEST(randomAlgorithm->options().minChromosomeLength == m_options.minChromosomeLength);
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BOOST_TEST(randomAlgorithm->options().maxChromosomeLength == m_options.maxChromosomeLength);
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m_options.algorithm = Algorithm::GEWEP;
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unique_ptr<GeneticAlgorithm> algorithm2 = GeneticAlgorithmFactory::build(m_options, 100);
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BOOST_REQUIRE(algorithm2 != nullptr);
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auto gewepAlgorithm = dynamic_cast<GenerationalElitistWithExclusivePools*>(algorithm2.get());
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BOOST_REQUIRE(gewepAlgorithm != nullptr);
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BOOST_TEST(gewepAlgorithm->options().mutationPoolSize == m_options.gewepMutationPoolSize);
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BOOST_TEST(gewepAlgorithm->options().crossoverPoolSize == m_options.gewepCrossoverPoolSize);
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BOOST_TEST(gewepAlgorithm->options().randomisationChance == m_options.gewepRandomisationChance);
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BOOST_TEST(gewepAlgorithm->options().deletionVsAdditionChance == m_options.gewepDeletionVsAdditionChance);
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BOOST_TEST(gewepAlgorithm->options().percentGenesToRandomise == m_options.gewepGenesToRandomise.value());
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BOOST_TEST(gewepAlgorithm->options().percentGenesToAddOrDelete == m_options.gewepGenesToAddOrDelete.value());
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}
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BOOST_FIXTURE_TEST_CASE(build_should_set_random_algorithm_elite_pool_size_based_on_population_size_if_not_specified, GeneticAlgorithmFactoryFixture)
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{
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m_options.algorithm = Algorithm::Random;
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m_options.randomElitePoolSize = nullopt;
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unique_ptr<GeneticAlgorithm> algorithm = GeneticAlgorithmFactory::build(m_options, 100);
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BOOST_REQUIRE(algorithm != nullptr);
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auto randomAlgorithm = dynamic_cast<RandomAlgorithm*>(algorithm.get());
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BOOST_REQUIRE(randomAlgorithm != nullptr);
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BOOST_TEST(randomAlgorithm->options().elitePoolSize == 1.0 / 100.0);
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}
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BOOST_FIXTURE_TEST_CASE(build_should_set_gewep_mutation_percentages_based_on_maximum_chromosome_length_if_not_specified, GeneticAlgorithmFactoryFixture)
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{
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m_options.algorithm = Algorithm::GEWEP;
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m_options.gewepGenesToRandomise = nullopt;
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m_options.gewepGenesToAddOrDelete = nullopt;
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m_options.maxChromosomeLength = 125;
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unique_ptr<GeneticAlgorithm> algorithm = GeneticAlgorithmFactory::build(m_options, 100);
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BOOST_REQUIRE(algorithm != nullptr);
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auto gewepAlgorithm = dynamic_cast<GenerationalElitistWithExclusivePools*>(algorithm.get());
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BOOST_REQUIRE(gewepAlgorithm != nullptr);
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BOOST_TEST(gewepAlgorithm->options().percentGenesToRandomise == 1.0 / 125.0);
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BOOST_TEST(gewepAlgorithm->options().percentGenesToAddOrDelete == 1.0 / 125.0);
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}
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BOOST_AUTO_TEST_SUITE_END()
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BOOST_AUTO_TEST_SUITE(FitnessMetricFactoryTest)
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BOOST_FIXTURE_TEST_CASE(build_should_create_metric_of_the_right_type, FitnessMetricFactoryFixture)
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{
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unique_ptr<FitnessMetric> metric = FitnessMetricFactory::build(m_options, m_program);
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BOOST_REQUIRE(metric != nullptr);
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auto programSizeMetric = dynamic_cast<ProgramSize*>(metric.get());
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BOOST_REQUIRE(programSizeMetric != nullptr);
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BOOST_TEST(toString(programSizeMetric->program()) == toString(m_program));
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}
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BOOST_FIXTURE_TEST_CASE(build_should_respect_chromosome_repetitions_option, FitnessMetricFactoryFixture)
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{
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m_options.chromosomeRepetitions = 5;
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unique_ptr<FitnessMetric> metric = FitnessMetricFactory::build(m_options, m_program);
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BOOST_REQUIRE(metric != nullptr);
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auto programSizeMetric = dynamic_cast<ProgramSize*>(metric.get());
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BOOST_REQUIRE(programSizeMetric != nullptr);
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BOOST_TEST(programSizeMetric->repetitionCount() == m_options.chromosomeRepetitions);
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}
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BOOST_AUTO_TEST_SUITE_END()
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BOOST_AUTO_TEST_SUITE(PopulationFactoryTest)
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BOOST_FIXTURE_TEST_CASE(build_should_create_an_empty_population_if_no_specific_options_given, PoulationFactoryFixture)
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{
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m_options.population = {};
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m_options.randomPopulation = {};
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m_options.populationFromFile = {};
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BOOST_TEST(
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PopulationFactory::build(m_options, m_fitnessMetric) ==
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Population(m_fitnessMetric, vector<Chromosome>{})
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);
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}
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BOOST_FIXTURE_TEST_CASE(build_should_respect_population_option, PoulationFactoryFixture)
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{
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m_options.population = {"a", "afc", "xadd"};
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BOOST_TEST(
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PopulationFactory::build(m_options, m_fitnessMetric) ==
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Population(m_fitnessMetric, {Chromosome("a"), Chromosome("afc"), Chromosome("xadd")})
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);
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}
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BOOST_FIXTURE_TEST_CASE(build_should_respect_random_population_option, PoulationFactoryFixture)
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{
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m_options.randomPopulation = {5, 3, 2};
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m_options.minChromosomeLength = 5;
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m_options.maxChromosomeLength = 10;
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auto population = PopulationFactory::build(m_options, m_fitnessMetric);
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BOOST_TEST(population.individuals().size() == 10);
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BOOST_TEST(all_of(
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population.individuals().begin(),
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population.individuals().end(),
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[](auto const& individual){ return 5 <= individual.chromosome.length() && individual.chromosome.length() <= 10; }
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));
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}
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BOOST_FIXTURE_TEST_CASE(build_should_respect_population_from_file_option, PoulationFactoryFixture)
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{
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map<string, vector<string>> fileContent = {
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{"a.txt", {"a", "fff", "", "jxccLTa"}},
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{"b.txt", {}},
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{"c.txt", {""}},
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{"d.txt", {"c", "T"}},
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};
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TemporaryDirectory tempDir;
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for (auto const& [fileName, chromosomes]: fileContent)
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{
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ofstream tmpFile(tempDir.memberPath(fileName));
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for (auto const& chromosome: chromosomes)
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tmpFile << chromosome << endl;
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m_options.populationFromFile.push_back(tempDir.memberPath(fileName));
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}
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BOOST_TEST(
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PopulationFactory::build(m_options, m_fitnessMetric) ==
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Population(m_fitnessMetric, {
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Chromosome("a"),
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Chromosome("fff"),
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Chromosome(""),
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Chromosome("jxccLTa"),
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Chromosome(""),
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Chromosome("c"),
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Chromosome("T"),
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})
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);
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}
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BOOST_FIXTURE_TEST_CASE(build_should_throw_FileOpenError_if_population_file_does_not_exist, PoulationFactoryFixture)
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{
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m_options.populationFromFile = {"a-file-that-does-not-exist.abcdefgh"};
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assert(!fs::exists(m_options.populationFromFile[0]));
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BOOST_CHECK_THROW(PopulationFactory::build(m_options, m_fitnessMetric), FileOpenError);
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}
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BOOST_FIXTURE_TEST_CASE(build_should_combine_populations_from_all_sources, PoulationFactoryFixture)
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{
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TemporaryDirectory tempDir;
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{
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ofstream tmpFile(tempDir.memberPath("population.txt"));
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tmpFile << "axc" << endl << "fcL" << endl;
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}
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m_options.population = {"axc", "fcL"};
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m_options.randomPopulation = {2};
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m_options.populationFromFile = {tempDir.memberPath("population.txt")};
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m_options.minChromosomeLength = 3;
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m_options.maxChromosomeLength = 3;
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auto population = PopulationFactory::build(m_options, m_fitnessMetric);
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auto begin = population.individuals().begin();
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auto end = population.individuals().end();
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BOOST_TEST(population.individuals().size() == 6);
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BOOST_TEST(all_of(begin, end, [](auto const& individual){ return individual.chromosome.length() == 3; }));
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BOOST_TEST(count(begin, end, Individual(Chromosome("axc"), *m_fitnessMetric)) >= 2);
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BOOST_TEST(count(begin, end, Individual(Chromosome("fcL"), *m_fitnessMetric)) >= 2);
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}
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BOOST_AUTO_TEST_SUITE_END()
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BOOST_AUTO_TEST_SUITE(ProgramFactoryTest)
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BOOST_AUTO_TEST_CASE(build_should_load_program_from_file)
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{
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TemporaryDirectory tempDir;
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{
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ofstream tmpFile(tempDir.memberPath("program.yul"));
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tmpFile << "{}" << endl;
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}
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ProgramFactory::Options options{/* inputFile = */ tempDir.memberPath("program.yul")};
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CharStream expectedProgramSource("{}", "");
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auto program = ProgramFactory::build(options);
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BOOST_TEST(toString(program) == toString(get<Program>(Program::load(expectedProgramSource))));
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}
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BOOST_AUTO_TEST_SUITE_END()
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BOOST_AUTO_TEST_SUITE_END()
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BOOST_AUTO_TEST_SUITE_END()
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}
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