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[yul-phaser] AlgorithmRunner: A stronger test for run() output

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This commit is contained in:
Kamil Śliwak 2020-03-08 16:55:24 +01:00
parent 28c0bc5929
commit a97aeb0e6e
1 changed files with 37 additions and 18 deletions
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55
test/yulPhaser/AlgorithmRunner.cpp
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@ -28,6 +28,9 @@
#include <boost/test/unit_test.hpp>
#include <boost/test/tools/output_test_stream.hpp>
#include <regex>
#include <sstream>
using namespace std;
using namespace boost::unit_test::framework;
using namespace boost::test_tools;
@ -65,8 +68,29 @@ public:
class AlgorithmRunnerFixture
{
protected:
// NOTE: Regexes here should not contain spaces because we strip them before matching
regex RoundSummaryRegex{R"(-+ROUND\d+-+)"};
string individualPattern(Individual const& individual) const
{
ostringstream output;
output << "Fitness:" << individual.fitness << ",";
output << "optimisations:" << individual.chromosome;
return output.str();
return output.str();
}
bool nextLineMatches(stringstream& stream, regex const& pattern) const
{
string line;
if (getline(stream, line).fail())
return false;
return regex_match(stripWhitespace(line), pattern);
}
shared_ptr<FitnessMetric> m_fitnessMetric = make_shared<ChromosomeLengthMetric>();
output_test_stream m_output;
stringstream m_output;
AlgorithmRunner::Options m_options;
};
@ -106,29 +130,24 @@ BOOST_FIXTURE_TEST_CASE(run_should_call_runNextRound_once_per_round, AlgorithmRu
BOOST_TEST(algorithm.m_currentRound == 10);
}
BOOST_FIXTURE_TEST_CASE(run_should_print_the_top_chromosome, AlgorithmRunnerFixture)
BOOST_FIXTURE_TEST_CASE(run_should_print_round_summary_after_each_round, AlgorithmRunnerFixture)
{
// run() is allowed to print more but should at least print the first one
Population population(m_fitnessMetric, {Chromosome("fcCUnDve"), Chromosome("jsxIOo"), Chromosome("ighTLM")});
m_options.maxRounds = 1;
AlgorithmRunner runner(
// NOTE: Chromosomes chosen so that they're not substrings of each other and are not
// words likely to appear in the output in normal circumstances.
Population(m_fitnessMetric, {Chromosome("fcCUnDve"), Chromosome("jsxIOo"), Chromosome("ighTLM")}),
{},
m_options,
m_output
);
AlgorithmRunner runner(population, {}, m_options, m_output);
RandomisingAlgorithm algorithm;
CountingAlgorithm algorithm;
runner.run(algorithm);
BOOST_TEST(nextLineMatches(m_output, RoundSummaryRegex));
for (auto const& individual: runner.population().individuals())
BOOST_TEST(nextLineMatches(m_output, regex(individualPattern(individual))));
BOOST_TEST(m_output.is_empty());
runner.run(algorithm);
BOOST_TEST(countSubstringOccurrences(m_output.str(), toString(runner.population().individuals()[0].chromosome)) == 1);
runner.run(algorithm);
runner.run(algorithm);
runner.run(algorithm);
BOOST_TEST(countSubstringOccurrences(m_output.str(), toString(runner.population().individuals()[0].chromosome)) == 4);
BOOST_TEST(nextLineMatches(m_output, RoundSummaryRegex));
for (auto const& individual: runner.population().individuals())
BOOST_TEST(nextLineMatches(m_output, regex(individualPattern(individual))));
BOOST_TEST(m_output.peek() == EOF);
}
BOOST_FIXTURE_TEST_CASE(run_should_save_initial_population_to_file_if_autosave_file_specified, AlgorithmRunnerAutosaveFixture)