solidity/test/libsolidity/SemanticTest.cpp
2020-10-29 13:55:07 +01:00

375 lines
12 KiB
C++

/*
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/>.
*/
#include <test/libsolidity/SemanticTest.h>
#include <libsolutil/Whiskers.h>
#include <libyul/Exceptions.h>
#include <test/Common.h>
#include <boost/algorithm/string.hpp>
#include <boost/algorithm/string/predicate.hpp>
#include <boost/algorithm/string/trim.hpp>
#include <boost/throw_exception.hpp>
#include <algorithm>
#include <cctype>
#include <fstream>
#include <memory>
#include <stdexcept>
using namespace std;
using namespace solidity;
using namespace solidity::yul;
using namespace solidity::util;
using namespace solidity::util::formatting;
using namespace solidity::frontend::test;
using namespace boost;
using namespace boost::algorithm;
using namespace boost::unit_test;
namespace fs = boost::filesystem;
SemanticTest::SemanticTest(string const& _filename, langutil::EVMVersion _evmVersion, vector<boost::filesystem::path> const& _vmPaths, bool enforceViaYul):
SolidityExecutionFramework(_evmVersion, _vmPaths),
EVMVersionRestrictedTestCase(_filename),
m_sources(m_reader.sources()),
m_lineOffset(m_reader.lineNumber()),
m_enforceViaYul(enforceViaYul)
{
string choice = m_reader.stringSetting("compileViaYul", "default");
if (choice == "also")
{
m_runWithYul = true;
m_runWithoutYul = true;
}
else if (choice == "true")
{
m_runWithYul = true;
m_runWithoutYul = false;
}
else if (choice == "false")
{
m_runWithYul = false;
m_runWithoutYul = true;
// Do not try to run via yul if explicitly denied.
m_enforceViaYul = false;
}
else if (choice == "default")
{
m_runWithYul = false;
m_runWithoutYul = true;
}
else
BOOST_THROW_EXCEPTION(runtime_error("Invalid compileViaYul value: " + choice + "."));
string compileToEwasm = m_reader.stringSetting("compileToEwasm", "false");
if (compileToEwasm == "also")
m_runWithEwasm = true;
else if (compileToEwasm == "false")
m_runWithEwasm = false;
else
BOOST_THROW_EXCEPTION(runtime_error("Invalid compileToEwasm value: " + compileToEwasm + "."));
if (m_runWithEwasm && !m_runWithYul)
BOOST_THROW_EXCEPTION(runtime_error("Invalid compileToEwasm value: " + compileToEwasm + ", compileViaYul need to be enabled."));
// run ewasm tests only, if an ewasm evmc vm was defined
if (m_runWithEwasm && !m_supportsEwasm)
m_runWithEwasm = false;
m_runWithABIEncoderV1Only = m_reader.boolSetting("ABIEncoderV1Only", false);
if (m_runWithABIEncoderV1Only && solidity::test::CommonOptions::get().useABIEncoderV2)
m_shouldRun = false;
auto revertStrings = revertStringsFromString(m_reader.stringSetting("revertStrings", "default"));
soltestAssert(revertStrings, "Invalid revertStrings setting.");
m_revertStrings = revertStrings.value();
m_allowNonExistingFunctions = m_reader.boolSetting("allowNonExistingFunctions", false);
parseExpectations(m_reader.stream());
soltestAssert(!m_tests.empty(), "No tests specified in " + _filename);
}
TestCase::TestResult SemanticTest::run(ostream& _stream, string const& _linePrefix, bool _formatted)
{
TestResult result = TestResult::Success;
bool compileViaYul = m_runWithYul || m_enforceViaYul;
if (m_runWithoutYul)
result = runTest(_stream, _linePrefix, _formatted, false, false);
if (compileViaYul && result == TestResult::Success)
result = runTest(_stream, _linePrefix, _formatted, true, false);
if (m_runWithEwasm && result == TestResult::Success)
result = runTest(_stream, _linePrefix, _formatted, true, true);
return result;
}
TestCase::TestResult SemanticTest::runTest(ostream& _stream, string const& _linePrefix, bool _formatted, bool _compileViaYul, bool _compileToEwasm)
{
try
{
bool success = true;
if (_compileViaYul && _compileToEwasm)
selectVM(evmc_capabilities::EVMC_CAPABILITY_EWASM);
else
selectVM(evmc_capabilities::EVMC_CAPABILITY_EVM1);
reset();
m_compileViaYul = _compileViaYul;
if (_compileToEwasm)
{
soltestAssert(m_compileViaYul, "");
m_compileToEwasm = _compileToEwasm;
}
m_compileViaYulCanBeSet = false;
if (_compileViaYul)
AnsiColorized(_stream, _formatted, {BOLD, CYAN}) << _linePrefix << "Running via Yul:" << endl;
for (auto& test: m_tests)
test.reset();
map<string, solidity::test::Address> libraries;
bool constructed = false;
for (auto& test: m_tests)
{
if (constructed)
{
soltestAssert(test.call().kind != FunctionCall::Kind::Library, "Libraries have to be deployed before any other call.");
soltestAssert(
test.call().kind != FunctionCall::Kind::Constructor,
"Constructor has to be the first function call expect for library deployments.");
}
else if (test.call().kind == FunctionCall::Kind::Library)
{
soltestAssert(
deploy(test.call().signature, 0, {}, libraries) && m_transactionSuccessful,
"Failed to deploy library " + test.call().signature);
libraries[test.call().signature] = m_contractAddress;
continue;
}
else
{
if (test.call().kind == FunctionCall::Kind::Constructor)
deploy("", test.call().value.value, test.call().arguments.rawBytes(), libraries);
else
soltestAssert(deploy("", 0, bytes(), libraries), "Failed to deploy contract.");
constructed = true;
}
if (test.call().kind == FunctionCall::Kind::Storage)
{
test.setFailure(false);
bytes result(1, !storageEmpty(m_contractAddress));
test.setRawBytes(result);
soltestAssert(test.call().expectations.rawBytes().size() == 1, "");
if (test.call().expectations.rawBytes() != result)
success = false;
}
else if (test.call().kind == FunctionCall::Kind::Constructor)
{
if (m_transactionSuccessful == test.call().expectations.failure)
success = false;
test.setFailure(!m_transactionSuccessful);
test.setRawBytes(bytes());
}
else
{
bytes output;
if (test.call().kind == FunctionCall::Kind::LowLevel)
output = callLowLevel(test.call().arguments.rawBytes(), test.call().value.value);
else
{
soltestAssert(
m_allowNonExistingFunctions ||
m_compiler.methodIdentifiers(m_compiler.lastContractName()).isMember(test.call().signature),
"The function " + test.call().signature + " is not known to the compiler"
);
output = callContractFunctionWithValueNoEncoding(
test.call().signature,
test.call().value.value,
test.call().arguments.rawBytes()
);
}
if (
m_transactionSuccessful == test.call().expectations.failure ||
output != test.call().expectations.rawBytes()
)
success = false;
test.setFailure(!m_transactionSuccessful);
test.setRawBytes(std::move(output));
test.setContractABI(m_compiler.contractABI(m_compiler.lastContractName()));
}
}
if (success && !m_runWithYul && _compileViaYul)
{
m_compileViaYulCanBeSet = true;
AnsiColorized(_stream, _formatted, {BOLD, YELLOW}) <<
_linePrefix << endl <<
_linePrefix << "Test can pass via Yul and marked with compileViaYul: false." << endl;
return TestResult::Failure;
}
if (!success && (m_runWithYul || !_compileViaYul))
{
AnsiColorized(_stream, _formatted, {BOLD, CYAN}) << _linePrefix << "Expected result:" << endl;
for (auto const& test: m_tests)
{
ErrorReporter errorReporter;
_stream << test.format(errorReporter, _linePrefix, false, _formatted) << endl;
_stream << errorReporter.format(_linePrefix, _formatted);
}
_stream << endl;
AnsiColorized(_stream, _formatted, {BOLD, CYAN}) << _linePrefix << "Obtained result:" << endl;
for (auto const& test: m_tests)
{
ErrorReporter errorReporter;
_stream << test.format(errorReporter, _linePrefix, true, _formatted) << endl;
_stream << errorReporter.format(_linePrefix, _formatted);
}
AnsiColorized(_stream, _formatted, {BOLD, RED})
<< _linePrefix << endl
<< _linePrefix << "Attention: Updates on the test will apply the detected format displayed." << endl;
if (_compileViaYul && m_runWithoutYul)
{
_stream << _linePrefix << endl << _linePrefix;
AnsiColorized(_stream, _formatted, {RED_BACKGROUND}) << "Note that the test passed without Yul.";
_stream << endl;
}
else if (!_compileViaYul && m_runWithYul)
AnsiColorized(_stream, _formatted, {BOLD, YELLOW})
<< _linePrefix << endl
<< _linePrefix << "Note that the test also has to pass via Yul." << endl;
return TestResult::Failure;
}
}
catch (WhiskersError const&)
{
// this is an error in Whiskers template, so should be thrown anyway
throw;
}
catch (YulException const&)
{
// this should be an error in yul compilation or translation
throw;
}
catch (boost::exception const&)
{
if (!_compileViaYul || m_runWithYul)
throw;
}
catch (std::exception const&)
{
if (!_compileViaYul || m_runWithYul)
throw;
}
catch (...)
{
if (!_compileViaYul || m_runWithYul)
throw;
}
return TestResult::Success;
}
void SemanticTest::printSource(ostream& _stream, string const& _linePrefix, bool _formatted) const
{
if (m_sources.sources.empty())
return;
bool outputNames = (m_sources.sources.size() != 1 || !m_sources.sources.begin()->first.empty());
for (auto const& [name, source]: m_sources.sources)
if (_formatted)
{
if (source.empty())
continue;
if (outputNames)
_stream << _linePrefix << formatting::CYAN << "==== Source: " << name << " ====" << formatting::RESET << endl;
vector<char const*> sourceFormatting(source.length(), formatting::RESET);
_stream << _linePrefix << sourceFormatting.front() << source.front();
for (size_t i = 1; i < source.length(); i++)
{
if (sourceFormatting[i] != sourceFormatting[i - 1])
_stream << sourceFormatting[i];
if (source[i] != '\n')
_stream << source[i];
else
{
_stream << formatting::RESET << endl;
if (i + 1 < source.length())
_stream << _linePrefix << sourceFormatting[i];
}
}
_stream << formatting::RESET;
}
else
{
if (outputNames)
_stream << _linePrefix << "==== Source: " + name << " ====" << endl;
stringstream stream(source);
string line;
while (getline(stream, line))
_stream << _linePrefix << line << endl;
}
}
void SemanticTest::printUpdatedExpectations(ostream& _stream, string const&) const
{
for (auto const& test: m_tests)
_stream << test.format("", true, false) << endl;
}
void SemanticTest::printUpdatedSettings(ostream& _stream, string const& _linePrefix)
{
auto& settings = m_reader.settings();
if (settings.empty() && !m_compileViaYulCanBeSet)
return;
_stream << _linePrefix << "// ====" << endl;
if (m_compileViaYulCanBeSet)
_stream << _linePrefix << "// compileViaYul: also\n";
for (auto const& setting: settings)
if (!m_compileViaYulCanBeSet || setting.first != "compileViaYul")
_stream << _linePrefix << "// " << setting.first << ": " << setting.second << endl;
}
void SemanticTest::parseExpectations(istream& _stream)
{
TestFileParser parser{_stream};
auto functionCalls = parser.parseFunctionCalls(m_lineOffset);
std::move(functionCalls.begin(), functionCalls.end(), back_inserter(m_tests));
}
bool SemanticTest::deploy(string const& _contractName, u256 const& _value, bytes const& _arguments, map<string, solidity::test::Address> const& _libraries)
{
auto output = compileAndRunWithoutCheck(m_sources.sources, _value, _contractName, _arguments, _libraries);
return !output.empty() && m_transactionSuccessful;
}