solidity/test/libsolidity/ASTJSONTest.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/>.
*/
#include <test/libsolidity/ASTJSONTest.h>
#include <test/Options.h>
#include <libsolidity/ast/ASTJsonConverter.h>
#include <libsolidity/interface/CompilerStack.h>
#include <boost/algorithm/string.hpp>
#include <boost/algorithm/string/predicate.hpp>
#include <boost/throw_exception.hpp>
#include <fstream>
#include <memory>
#include <stdexcept>
using namespace dev;
using namespace solidity;
using namespace dev::solidity::test;
using namespace dev::solidity::test::formatting;
using namespace std;
namespace fs = boost::filesystem;
using namespace boost::unit_test;
ASTJSONTest::ASTJSONTest(string const& _filename)
{
if (!boost::algorithm::ends_with(_filename, ".sol"))
BOOST_THROW_EXCEPTION(runtime_error("Invalid test contract file name: \"" + _filename + "\"."));
m_astFilename = _filename.substr(0, _filename.size() - 4) + ".json";
m_legacyAstFilename = _filename.substr(0, _filename.size() - 4) + "_legacy.json";
ifstream file(_filename);
if (!file)
BOOST_THROW_EXCEPTION(runtime_error("Cannot open test contract: \"" + _filename + "\"."));
file.exceptions(ios::badbit);
string sourceName;
string source;
string line;
string const sourceDelimiter("// ---- SOURCE: ");
string const delimiter("// ----");
while (getline(file, line))
{
if (boost::algorithm::starts_with(line, sourceDelimiter))
{
if (!sourceName.empty())
m_sources.emplace_back(sourceName, source);
sourceName = line.substr(sourceDelimiter.size(), string::npos);
source = string();
}
else if (!line.empty() && !boost::algorithm::starts_with(line, delimiter))
source += line + "\n";
}
m_sources.emplace_back(sourceName.empty() ? "a" : sourceName, source);
file.close();
file.open(m_astFilename);
if (file)
{
string line;
while (getline(file, line))
m_expectation += line + "\n";
}
file.close();
file.open(m_legacyAstFilename);
if (file)
{
string line;
while (getline(file, line))
m_expectationLegacy += line + "\n";
}
}
bool ASTJSONTest::run(ostream& _stream, string const& _linePrefix, bool const _formatted)
{
CompilerStack c;
map<string, unsigned> sourceIndices;
for (size_t i = 0; i < m_sources.size(); i++)
{
c.addSource(m_sources[i].first, m_sources[i].second);
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sourceIndices[m_sources[i].first] = i + 1;
}
c.setEVMVersion(dev::test::Options::get().evmVersion());
c.parseAndAnalyze();
for (size_t i = 0; i < m_sources.size(); i++)
{
ostringstream result;
ASTJsonConverter(false, sourceIndices).print(result, c.ast(m_sources[i].first));
m_result += result.str();
if (i != m_sources.size() - 1)
m_result += ",";
m_result += "\n";
}
bool resultsMatch = true;
if (m_expectation != m_result)
{
string nextIndentLevel = _linePrefix + " ";
FormattedScope(_stream, _formatted, {BOLD, CYAN}) << _linePrefix << "Expected result:" << endl;
{
istringstream stream(m_expectation);
string line;
while (getline(stream, line))
_stream << nextIndentLevel << line << endl;
}
_stream << endl;
FormattedScope(_stream, _formatted, {BOLD, CYAN}) << _linePrefix << "Obtained result:" << endl;
{
istringstream stream(m_result);
string line;
while (getline(stream, line))
_stream << nextIndentLevel << line << endl;
}
_stream << endl;
resultsMatch = false;
}
for (size_t i = 0; i < m_sources.size(); i++)
{
ostringstream result;
ASTJsonConverter(true, sourceIndices).print(result, c.ast(m_sources[i].first));
m_resultLegacy = result.str();
if (i != m_sources.size() - 1)
m_resultLegacy += ",";
m_resultLegacy += "\n";
}
if (m_expectationLegacy != m_resultLegacy)
{
string nextIndentLevel = _linePrefix + " ";
FormattedScope(_stream, _formatted, {BOLD, CYAN}) << _linePrefix << "Expected result (legacy):" << endl;
{
istringstream stream(m_expectationLegacy);
string line;
while (getline(stream, line))
_stream << nextIndentLevel << line << endl;
}
_stream << endl;
FormattedScope(_stream, _formatted, {BOLD, CYAN}) << _linePrefix << "Obtained result (legacy):" << endl;
{
istringstream stream(m_resultLegacy);
string line;
while (getline(stream, line))
_stream << nextIndentLevel << line << endl;
}
_stream << endl;
resultsMatch = false;
}
return resultsMatch;
}
void ASTJSONTest::printSource(ostream& _stream, string const& _linePrefix, bool const) const
{
for (auto const& source: m_sources)
{
if (m_sources.size() > 1 || source.first != "a")
_stream << _linePrefix << "// ---- SOURCE: " << source.first << endl << endl;
stringstream stream(source.second);
string line;
while (getline(stream, line))
_stream << _linePrefix << line << endl;
_stream << endl;
}
}
void ASTJSONTest::printUpdatedExpectations(std::ostream&, std::string const&) const
{
ofstream file(m_astFilename.c_str());
if (!file) BOOST_THROW_EXCEPTION(runtime_error("Cannot write AST expectation to \"" + m_astFilename + "\"."));
file.exceptions(ios::badbit);
file << m_result;
file.flush();
file.close();
file.open(m_legacyAstFilename.c_str());
if (!file) BOOST_THROW_EXCEPTION(runtime_error("Cannot write legacy AST expectation to \"" + m_legacyAstFilename + "\"."));
file << m_resultLegacy;
file.flush();
file.close();
}