/*
This file is part of cpp-ethereum.
cpp-ethereum 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.
cpp-ethereum 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 cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @author Lefteris Karapetsas <lefteris@ethdev.com>
* @date 2014
* Unit tests for the solidity compiler JSON Interface output.
*/
#include <boost/test/unit_test.hpp>
#include <jsoncpp/json/json.h>
#include <libsolidity/CompilerStack.h>
#include <libsolidity/Exceptions.h>
#include <libdevcore/Exceptions.h>
namespace dev
{
namespace solidity
{
namespace test
{
class DocumentationChecker
{
public:
void checkNatspec(std::string const& _code,
std::string const& _expectedDocumentationString,
bool _userDocumentation)
{
std::string generatedDocumentationString;
try
{
m_compilerStack.parse(_code);
}
catch (const std::exception& e)
{
std::string const* extra = boost::get_error_info<errinfo_comment>(e);
std::string msg = std::string("Parsing contract failed with: ") +
e.what() + std::string("\n");
if (extra)
msg += *extra;
BOOST_FAIL(msg);
}
if (_userDocumentation)
generatedDocumentationString = m_compilerStack.getJsonDocumentation("", DocumentationType::NATSPEC_USER);
else
generatedDocumentationString = m_compilerStack.getJsonDocumentation("", DocumentationType::NATSPEC_DEV);
Json::Value generatedDocumentation;
m_reader.parse(generatedDocumentationString, generatedDocumentation);
Json::Value expectedDocumentation;
m_reader.parse(_expectedDocumentationString, expectedDocumentation);
BOOST_CHECK_MESSAGE(expectedDocumentation == generatedDocumentation,
"Expected " << _expectedDocumentationString <<
"\n but got:\n" << generatedDocumentationString);
}
private:
CompilerStack m_compilerStack;
Json::Reader m_reader;
};
BOOST_FIXTURE_TEST_SUITE(SolidityNatspecJSON, DocumentationChecker)
BOOST_AUTO_TEST_CASE(user_basic_test)
{
char const* sourceCode = "contract test {\n"
" /// @notice Multiplies `a` by 7\n"
" function mul(uint a) returns(uint d) { return a * 7; }\n"
"}\n";
char const* natspec = "{"
"\"methods\":{"
" \"mul\":{ \"notice\": \"Multiplies `a` by 7\"}"
"}}";
checkNatspec(sourceCode, natspec, true);
}
BOOST_AUTO_TEST_CASE(dev_and_user_basic_test)
{
char const* sourceCode = "contract test {\n"
" /// @notice Multiplies `a` by 7\n"
" /// @dev Multiplies a number by 7\n"
" function mul(uint a) returns(uint d) { return a * 7; }\n"
"}\n";
char const* devNatspec = "{"
"\"methods\":{"
" \"mul\":{ \n"
" \"details\": \"Multiplies a number by 7\"\n"
" }\n"
" }\n"
"}}";
char const* userNatspec = "{"
"\"methods\":{"
" \"mul\":{ \"notice\": \"Multiplies `a` by 7\"}"
"}}";
checkNatspec(sourceCode, devNatspec, false);
checkNatspec(sourceCode, userNatspec, true);
}
BOOST_AUTO_TEST_CASE(user_multiline_comment)
{
char const* sourceCode = "contract test {\n"
" /// @notice Multiplies `a` by 7\n"
" /// and then adds `b`\n"
" function mul_and_add(uint a, uint256 b) returns(uint256 d)\n"
" {\n"
" return (a * 7) + b;\n"
" }\n"
"}\n";
char const* natspec = "{"
"\"methods\":{"
" \"mul_and_add\":{ \"notice\": \"Multiplies `a` by 7 and then adds `b`\"}"
"}}";
checkNatspec(sourceCode, natspec, true);
}
BOOST_AUTO_TEST_CASE(user_multiple_functions)
{
char const* sourceCode = "contract test {\n"
" /// @notice Multiplies `a` by 7 and then adds `b`\n"
" function mul_and_add(uint a, uint256 b) returns(uint256 d)\n"
" {\n"
" return (a * 7) + b;\n"
" }\n"
"\n"
" /// @notice Divides `input` by `div`\n"
" function divide(uint input, uint div) returns(uint d)\n"
" {\n"
" return input / div;\n"
" }\n"
" /// @notice Subtracts 3 from `input`\n"
" function sub(int input) returns(int d)\n"
" {\n"
" return input - 3;\n"
" }\n"
"}\n";
char const* natspec = "{"
"\"methods\":{"
" \"mul_and_add\":{ \"notice\": \"Multiplies `a` by 7 and then adds `b`\"},"
" \"divide\":{ \"notice\": \"Divides `input` by `div`\"},"
" \"sub\":{ \"notice\": \"Subtracts 3 from `input`\"}"
"}}";
checkNatspec(sourceCode, natspec, true);
}
BOOST_AUTO_TEST_CASE(user_empty_contract)
{
char const* sourceCode = "contract test {\n"
"}\n";
char const* natspec = "{\"methods\":{} }";
checkNatspec(sourceCode, natspec, true);
}
BOOST_AUTO_TEST_CASE(dev_and_user_no_doc)
{
char const* sourceCode = "contract test {\n"
" function mul(uint a) returns(uint d) { return a * 7; }\n"
" function sub(int input) returns(int d)\n"
" {\n"
" return input - 3;\n"
" }\n"
"}\n";
char const* devNatspec = "{\"methods\":{}}";
char const* userNatspec = "{\"methods\":{}}";
checkNatspec(sourceCode, devNatspec, false);
checkNatspec(sourceCode, userNatspec, true);
}
BOOST_AUTO_TEST_CASE(dev_desc_after_nl)
{
char const* sourceCode = "contract test {\n"
" /// @dev\n"
" /// Multiplies a number by 7 and adds second parameter\n"
" /// @param a Documentation for the first parameter\n"
" /// @param second Documentation for the second parameter\n"
" function mul(uint a, uint second) returns(uint d) { return a * 7 + second; }\n"
"}\n";
char const* natspec = "{"
"\"methods\":{"
" \"mul\":{ \n"
" \"details\": \" Multiplies a number by 7 and adds second parameter\",\n"
" \"params\": {\n"
" \"a\": \"Documentation for the first parameter\",\n"
" \"second\": \"Documentation for the second parameter\"\n"
" }\n"
" }\n"
"}}";
checkNatspec(sourceCode, natspec, false);
}
BOOST_AUTO_TEST_CASE(dev_multiple_params)
{
char const* sourceCode = "contract test {\n"
" /// @dev Multiplies a number by 7 and adds second parameter\n"
" /// @param a Documentation for the first parameter\n"
" /// @param second Documentation for the second parameter\n"
" function mul(uint a, uint second) returns(uint d) { return a * 7 + second; }\n"
"}\n";
char const* natspec = "{"
"\"methods\":{"
" \"mul\":{ \n"
" \"details\": \"Multiplies a number by 7 and adds second parameter\",\n"
" \"params\": {\n"
" \"a\": \"Documentation for the first parameter\",\n"
" \"second\": \"Documentation for the second parameter\"\n"
" }\n"
" }\n"
"}}";
checkNatspec(sourceCode, natspec, false);
}
BOOST_AUTO_TEST_CASE(dev_mutiline_param_description)
{
char const* sourceCode = "contract test {\n"
" /// @dev Multiplies a number by 7 and adds second parameter\n"
" /// @param a Documentation for the first parameter starts here.\n"
" /// Since it's a really complicated parameter we need 2 lines\n"
" /// @param second Documentation for the second parameter\n"
" function mul(uint a, uint second) returns(uint d) { return a * 7 + second; }\n"
"}\n";
char const* natspec = "{"
"\"methods\":{"
" \"mul\":{ \n"
" \"details\": \"Multiplies a number by 7 and adds second parameter\",\n"
" \"params\": {\n"
" \"a\": \"Documentation for the first parameter starts here. Since it's a really complicated parameter we need 2 lines\",\n"
" \"second\": \"Documentation for the second parameter\"\n"
" }\n"
" }\n"
"}}";
checkNatspec(sourceCode, natspec, false);
}
BOOST_AUTO_TEST_CASE(dev_multiple_functions)
{
char const* sourceCode = "contract test {\n"
" /// @dev Multiplies a number by 7 and adds second parameter\n"
" /// @param a Documentation for the first parameter\n"
" /// @param second Documentation for the second parameter\n"
" function mul(uint a, uint second) returns(uint d) { return a * 7 + second; }\n"
" \n"
" /// @dev Divides 2 numbers\n"
" /// @param input Documentation for the input parameter\n"
" /// @param div Documentation for the div parameter\n"
" function divide(uint input, uint div) returns(uint d)\n"
" {\n"
" return input / div;\n"
" }\n"
" /// @dev Subtracts 3 from `input`\n"
" /// @param input Documentation for the input parameter\n"
" function sub(int input) returns(int d)\n"
" {\n"
" return input - 3;\n"
" }\n"
"}\n";
char const* natspec = "{"
"\"methods\":{"
" \"mul\":{ \n"
" \"details\": \"Multiplies a number by 7 and adds second parameter\",\n"
" \"params\": {\n"
" \"a\": \"Documentation for the first parameter\",\n"
" \"second\": \"Documentation for the second parameter\"\n"
" }\n"
" },\n"
" \"divide\":{ \n"
" \"details\": \"Divides 2 numbers\",\n"
" \"params\": {\n"
" \"input\": \"Documentation for the input parameter\",\n"
" \"div\": \"Documentation for the div parameter\"\n"
" }\n"
" },\n"
" \"sub\":{ \n"
" \"details\": \"Subtracts 3 from `input`\",\n"
" \"params\": {\n"
" \"input\": \"Documentation for the input parameter\"\n"
" }\n"
" }\n"
"}}";
checkNatspec(sourceCode, natspec, false);
}
BOOST_AUTO_TEST_CASE(dev_return)
{
char const* sourceCode = "contract test {\n"
" /// @dev Multiplies a number by 7 and adds second parameter\n"
" /// @param a Documentation for the first parameter starts here.\n"
" /// Since it's a really complicated parameter we need 2 lines\n"
" /// @param second Documentation for the second parameter\n"
" /// @return The result of the multiplication\n"
" function mul(uint a, uint second) returns(uint d) { return a * 7 + second; }\n"
"}\n";
char const* natspec = "{"
"\"methods\":{"
" \"mul\":{ \n"
" \"details\": \"Multiplies a number by 7 and adds second parameter\",\n"
" \"params\": {\n"
" \"a\": \"Documentation for the first parameter starts here. Since it's a really complicated parameter we need 2 lines\",\n"
" \"second\": \"Documentation for the second parameter\"\n"
" },\n"
" \"return\": \"The result of the multiplication\"\n"
" }\n"
"}}";
checkNatspec(sourceCode, natspec, false);
}
BOOST_AUTO_TEST_CASE(dev_return_desc_after_nl)
{
char const* sourceCode = "contract test {\n"
" /// @dev Multiplies a number by 7 and adds second parameter\n"
" /// @param a Documentation for the first parameter starts here.\n"
" /// Since it's a really complicated parameter we need 2 lines\n"
" /// @param second Documentation for the second parameter\n"
" /// @return\n"
" /// The result of the multiplication\n"
" function mul(uint a, uint second) returns(uint d) { return a * 7 + second; }\n"
"}\n";
char const* natspec = "{"
"\"methods\":{"
" \"mul\":{ \n"
" \"details\": \"Multiplies a number by 7 and adds second parameter\",\n"
" \"params\": {\n"
" \"a\": \"Documentation for the first parameter starts here. Since it's a really complicated parameter we need 2 lines\",\n"
" \"second\": \"Documentation for the second parameter\"\n"
" },\n"
" \"return\": \" The result of the multiplication\"\n"
" }\n"
"}}";
checkNatspec(sourceCode, natspec, false);
}
BOOST_AUTO_TEST_CASE(dev_multiline_return)
{
char const* sourceCode = "contract test {\n"
" /// @dev Multiplies a number by 7 and adds second parameter\n"
" /// @param a Documentation for the first parameter starts here.\n"
" /// Since it's a really complicated parameter we need 2 lines\n"
" /// @param second Documentation for the second parameter\n"
" /// @return The result of the multiplication\n"
" /// and cookies with nutella\n"
" function mul(uint a, uint second) returns(uint d) { return a * 7 + second; }\n"
"}\n";
char const* natspec = "{"
"\"methods\":{"
" \"mul\":{ \n"
" \"details\": \"Multiplies a number by 7 and adds second parameter\",\n"
" \"params\": {\n"
" \"a\": \"Documentation for the first parameter starts here. Since it's a really complicated parameter we need 2 lines\",\n"
" \"second\": \"Documentation for the second parameter\"\n"
" },\n"
" \"return\": \"The result of the multiplication and cookies with nutella\"\n"
" }\n"
"}}";
checkNatspec(sourceCode, natspec, false);
}
BOOST_AUTO_TEST_CASE(dev_multiline_comment)
{
char const* sourceCode = "contract test {\n"
" /**\n"
" * @dev Multiplies a number by 7 and adds second parameter\n"
" * @param a Documentation for the first parameter starts here.\n"
" * Since it's a really complicated parameter we need 2 lines\n"
" * @param second Documentation for the second parameter\n"
" * @return The result of the multiplication\n"
" * and cookies with nutella\n"
" */"
" function mul(uint a, uint second) returns(uint d) { return a * 7 + second; }\n"
"}\n";
char const* natspec = "{"
"\"methods\":{"
" \"mul\":{ \n"
" \"details\": \"Multiplies a number by 7 and adds second parameter\",\n"
" \"params\": {\n"
" \"a\": \"Documentation for the first parameter starts here. Since it's a really complicated parameter we need 2 lines\",\n"
" \"second\": \"Documentation for the second parameter\"\n"
" },\n"
" \"return\": \"The result of the multiplication and cookies with nutella\"\n"
" }\n"
"}}";
checkNatspec(sourceCode, natspec, false);
}
BOOST_AUTO_TEST_CASE(dev_contract_no_doc)
{
char const* sourceCode = "contract test {\n"
" /// @dev Mul function\n"
" function mul(uint a, uint second) returns(uint d) { return a * 7 + second; }\n"
"}\n";
char const* natspec = "{"
" \"methods\":{"
" \"mul\":{ \n"
" \"details\": \"Mul function\"\n"
" }\n"
" }\n"
"}";
checkNatspec(sourceCode, natspec, false);
}
BOOST_AUTO_TEST_CASE(dev_contract_doc)
{
char const* sourceCode = " /// @author Lefteris\n"
" /// @title Just a test contract\n"
"contract test {\n"
" /// @dev Mul function\n"
" function mul(uint a, uint second) returns(uint d) { return a * 7 + second; }\n"
"}\n";
char const* natspec = "{"
" \"author\": \"Lefteris\","
" \"title\": \"Just a test contract\","
" \"methods\":{"
" \"mul\":{ \n"
" \"details\": \"Mul function\"\n"
" }\n"
" }\n"
"}";
checkNatspec(sourceCode, natspec, false);
}
BOOST_AUTO_TEST_CASE(dev_author_at_function)
{
char const* sourceCode = " /// @author Lefteris\n"
" /// @title Just a test contract\n"
"contract test {\n"
" /// @dev Mul function\n"
" /// @author John Doe\n"
" function mul(uint a, uint second) returns(uint d) { return a * 7 + second; }\n"
"}\n";
char const* natspec = "{"
" \"author\": \"Lefteris\","
" \"title\": \"Just a test contract\","
" \"methods\":{"
" \"mul\":{ \n"
" \"details\": \"Mul function\",\n"
" \"author\": \"John Doe\",\n"
" }\n"
" }\n"
"}";
checkNatspec(sourceCode, natspec, false);
}
BOOST_AUTO_TEST_CASE(dev_title_at_function_error)
{
char const* sourceCode = " /// @author Lefteris\n"
" /// @title Just a test contract\n"
"contract test {\n"
" /// @dev Mul function\n"
" /// @title I really should not be here\n"
" function mul(uint a, uint second) returns(uint d) { return a * 7 + second; }\n"
"}\n";
char const* natspec = "{"
" \"author\": \"Lefteris\","
" \"title\": \"Just a test contract\","
" \"methods\":{"
" \"mul\":{ \n"
" \"details\": \"Mul function\"\n"
" }\n"
" }\n"
"}";
BOOST_CHECK_THROW(checkNatspec(sourceCode, natspec, false), DocstringParsingError);
}
BOOST_AUTO_TEST_SUITE_END()
}
}
}
