solidity/test/Common.cpp

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/*
This file is part of solidity.
solidity is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
solidity is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with solidity. If not, see <http://www.gnu.org/licenses/>.
*/
// SPDX-License-Identifier: GPL-3.0
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#include <stdexcept>
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#include <iostream>
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#include <test/Common.h>
#include <test/EVMHost.h>
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#include <libsolutil/Assertions.h>
#include <boost/algorithm/string.hpp>
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#include <boost/filesystem.hpp>
#include <boost/program_options.hpp>
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namespace fs = boost::filesystem;
namespace po = boost::program_options;
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namespace solidity::test
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{
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namespace
{
/// If non-empty returns the value of the env. variable ETH_TEST_PATH, otherwise
/// it tries to find a path that contains the directories "libsolidity/syntaxTests"
/// and returns it if found.
/// The routine searches in the current directory, and inside the "test" directory
/// starting from the current directory and up to three levels up.
/// @returns the path of the first match or an empty path if not found.
boost::filesystem::path testPath()
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{
if (auto path = getenv("ETH_TEST_PATH"))
return path;
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auto const searchPath =
{
fs::current_path() / ".." / ".." / ".." / "test",
fs::current_path() / ".." / ".." / "test",
fs::current_path() / ".." / "test",
fs::current_path() / "test",
fs::current_path()
};
for (auto const& basePath: searchPath)
{
fs::path syntaxTestPath = basePath / "libsolidity" / "syntaxTests";
if (fs::exists(syntaxTestPath) && fs::is_directory(syntaxTestPath))
return basePath;
}
return {};
}
std::optional<fs::path> findInDefaultPath(std::string const& lib_name)
{
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auto const searchPath =
{
fs::current_path() / "deps",
fs::current_path() / "deps" / "lib",
fs::current_path() / ".." / "deps",
fs::current_path() / ".." / "deps" / "lib",
fs::current_path() / ".." / ".." / "deps",
fs::current_path() / ".." / ".." / "deps" / "lib",
fs::current_path()
};
for (auto const& basePath: searchPath)
{
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fs::path p = basePath / lib_name;
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if (fs::exists(p))
return p;
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}
return std::nullopt;
}
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}
CommonOptions::CommonOptions(std::string _caption):
options(_caption,
po::options_description::m_default_line_length,
po::options_description::m_default_line_length - 23
)
{
}
void CommonOptions::addOptions()
{
options.add_options()
("evm-version", po::value(&evmVersionString), "which evm version to use")
("testpath", po::value<fs::path>(&this->testPath)->default_value(solidity::test::testPath()), "path to test files")
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("vm", po::value<std::vector<fs::path>>(&vmPaths), "path to evmc library, can be supplied multiple times.")
("ewasm", po::bool_switch(&ewasm)->default_value(ewasm), "tries to automatically find an ewasm vm and enable ewasm test-execution.")
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("batches", po::value<size_t>(&this->batches)->default_value(1), "set number of batches to split the tests into")
("selected-batch", po::value<size_t>(&this->selectedBatch)->default_value(0), "zero-based number of batch to execute")
("no-semantic-tests", po::bool_switch(&disableSemanticTests)->default_value(disableSemanticTests), "disable semantic tests")
("no-smt", po::bool_switch(&disableSMT)->default_value(disableSMT), "disable SMT checker")
("optimize", po::bool_switch(&optimize)->default_value(optimize), "enables optimization")
("enforce-compile-to-ewasm", po::bool_switch(&enforceCompileToEwasm)->default_value(enforceCompileToEwasm), "Enforce compiling all tests to Ewasm to see if additional tests can be activated.")
("enforce-gas-cost", po::value<bool>(&enforceGasTest)->default_value(enforceGasTest)->implicit_value(true), "Enforce checking gas cost in semantic tests.")
("enforce-gas-cost-min-value", po::value(&enforceGasTestMinValue)->default_value(enforceGasTestMinValue), "Threshold value to enforce adding gas checks to a test.")
("abiencoderv1", po::bool_switch(&useABIEncoderV1)->default_value(useABIEncoderV1), "enables abi encoder v1")
("show-messages", po::bool_switch(&showMessages)->default_value(showMessages), "enables message output")
("show-metadata", po::bool_switch(&showMetadata)->default_value(showMetadata), "enables metadata output");
}
void CommonOptions::validate() const
{
assertThrow(
!testPath.empty(),
ConfigException,
"No test path specified. The --testpath argument must not be empty when given."
);
assertThrow(
fs::exists(testPath),
ConfigException,
"Invalid test path specified."
);
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assertThrow(
batches > 0,
ConfigException,
"Batches needs to be at least 1."
);
assertThrow(
selectedBatch < batches,
ConfigException,
"Selected batch has to be less than number of batches."
);
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if (enforceGasTest)
{
assertThrow(
evmVersion() == langutil::EVMVersion{},
ConfigException,
"Gas costs can only be enforced on latest evm version."
);
assertThrow(
useABIEncoderV1 == false,
ConfigException,
"Gas costs can only be enforced on abi encoder v2."
);
}
}
bool CommonOptions::parse(int argc, char const* const* argv)
{
po::variables_map arguments;
addOptions();
try
{
po::command_line_parser cmdLineParser(argc, argv);
cmdLineParser.options(options);
auto parsedOptions = cmdLineParser.run();
po::store(parsedOptions, arguments);
po::notify(arguments);
for (auto const& parsedOption: parsedOptions.options)
if (parsedOption.position_key >= 0)
{
if (
parsedOption.original_tokens.empty() ||
(parsedOption.original_tokens.size() == 1 && parsedOption.original_tokens.front().empty())
)
continue; // ignore empty options
std::stringstream errorMessage;
errorMessage << "Unrecognized option: ";
for (auto const& token: parsedOption.original_tokens)
errorMessage << token;
BOOST_THROW_EXCEPTION(std::runtime_error(errorMessage.str()));
}
}
catch (po::error const& exception)
{
solThrow(ConfigException, exception.what());
}
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if (vmPaths.empty())
{
if (auto envPath = getenv("ETH_EVMONE"))
vmPaths.emplace_back(envPath);
else if (auto repoPath = findInDefaultPath(evmoneFilename))
vmPaths.emplace_back(*repoPath);
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else
vmPaths.emplace_back(evmoneFilename);
if (ewasm) {
if (auto envPath = getenv("ETH_HERA"))
vmPaths.emplace_back(envPath);
else if (auto repoPath = findInDefaultPath(heraFilename))
vmPaths.emplace_back(*repoPath);
else
vmPaths.emplace_back(heraFilename);
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}
}
return true;
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}
langutil::EVMVersion CommonOptions::evmVersion() const
{
if (!evmVersionString.empty())
{
auto version = langutil::EVMVersion::fromString(evmVersionString);
if (!version)
BOOST_THROW_EXCEPTION(std::runtime_error("Invalid EVM version: " + evmVersionString));
return *version;
}
else
return langutil::EVMVersion();
}
CommonOptions const& CommonOptions::get()
{
if (!m_singleton)
BOOST_THROW_EXCEPTION(std::runtime_error("Options not yet constructed!"));
return *m_singleton;
}
void CommonOptions::setSingleton(std::unique_ptr<CommonOptions const>&& _instance)
{
m_singleton = std::move(_instance);
}
std::unique_ptr<CommonOptions const> CommonOptions::m_singleton = nullptr;
bool isValidSemanticTestPath(boost::filesystem::path const& _testPath)
{
bool insideSemanticTests = false;
fs::path testPathPrefix;
for (auto const& element: _testPath)
{
testPathPrefix /= element;
if (boost::ends_with(canonical(testPathPrefix).generic_string(), "/test/libsolidity/semanticTests"))
insideSemanticTests = true;
if (insideSemanticTests && boost::starts_with(element.string(), "_"))
return false;
}
return true;
}
bool loadVMs(CommonOptions const& _options)
{
if (_options.disableSemanticTests && !_options.ewasm)
return true;
auto [evmSupported, ewasmSupported] = solidity::test::EVMHost::checkVmPaths(_options.vmPaths);
if (!_options.disableSemanticTests && !evmSupported)
{
std::cerr << "Unable to find " << solidity::test::evmoneFilename;
std::cerr << ". Please disable semantics tests with --no-semantic-tests or provide a path using --vm <path>." << std::endl;
std::cerr << "You can download it at" << std::endl;
std::cerr << solidity::test::evmoneDownloadLink << std::endl;
return false;
}
if (_options.ewasm && !ewasmSupported)
{
std::cerr << "Unable to find " << solidity::test::heraFilename;
std::cerr << ". To be able to enable ewasm tests, please provide the path using --vm <path>." << std::endl;
std::cerr << "You can download it at" << std::endl;
std::cerr << solidity::test::heraDownloadLink << std::endl;
return false;
}
return true;
}
}