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/*
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 Marek Kotewicz <marek@ethdev.com>
* @date 2014
* Unit tests for the solidity compiler JSON Interface output.
*/
#include "TestHelper.h"
#include <libsolidity/CompilerStack.h>
#include <json/json.h>
#include <libdevcore/Exceptions.h>
namespace dev
{
namespace solidity
{
namespace test
{
class JSONInterfaceChecker
{
public:
JSONInterfaceChecker(): m_compilerStack(false) {}
void checkInterface(std::string const& _code, std::string const& _expectedInterfaceString)
{
ETH_TEST_REQUIRE_NO_THROW(m_compilerStack.parse(_code), "Parsing contract failed");
std::string generatedInterfaceString = m_compilerStack.getMetadata("", DocumentationType::ABIInterface);
Json::Value generatedInterface;
m_reader.parse(generatedInterfaceString, generatedInterface);
Json::Value expectedInterface;
m_reader.parse(_expectedInterfaceString, expectedInterface);
BOOST_CHECK_MESSAGE(expectedInterface == generatedInterface,
"Expected:\n" << expectedInterface.toStyledString() <<
"\n but got:\n" << generatedInterface.toStyledString());
}
private:
CompilerStack m_compilerStack;
Json::Reader m_reader;
};
BOOST_FIXTURE_TEST_SUITE(SolidityABIJSON, JSONInterfaceChecker)
BOOST_AUTO_TEST_CASE(basic_test)
{
char const* sourceCode = "contract test {\n"
" function f(uint a) returns(uint d) { return a * 7; }\n"
"}\n";
char const* interface = R"([
{
"name": "f",
"constant": false,
"type": "function",
"inputs": [
{
"name": "a",
"type": "uint256"
}
],
"outputs": [
{
"name": "d",
"type": "uint256"
}
]
}
])";
checkInterface(sourceCode, interface);
}
BOOST_AUTO_TEST_CASE(empty_contract)
{
char const* sourceCode = "contract test {\n"
"}\n";
char const* interface = "[]";
checkInterface(sourceCode, interface);
}
BOOST_AUTO_TEST_CASE(multiple_methods)
{
char const* sourceCode = "contract test {\n"
" function f(uint a) returns(uint d) { return a * 7; }\n"
" function g(uint b) returns(uint e) { return b * 8; }\n"
"}\n";
char const* interface = R"([
{
"name": "f",
"constant": false,
"type": "function",
"inputs": [
{
"name": "a",
"type": "uint256"
}
],
"outputs": [
{
"name": "d",
"type": "uint256"
}
]
},
{
"name": "g",
"constant": false,
"type": "function",
"inputs": [
{
"name": "b",
"type": "uint256"
}
],
"outputs": [
{
"name": "e",
"type": "uint256"
}
]
}
])";
checkInterface(sourceCode, interface);
}
BOOST_AUTO_TEST_CASE(multiple_params)
{
char const* sourceCode = "contract test {\n"
" function f(uint a, uint b) returns(uint d) { return a + b; }\n"
"}\n";
char const* interface = R"([
{
"name": "f",
"constant": false,
"type": "function",
"inputs": [
{
"name": "a",
"type": "uint256"
},
{
"name": "b",
"type": "uint256"
}
],
"outputs": [
{
"name": "d",
"type": "uint256"
}
]
}
])";
checkInterface(sourceCode, interface);
}
BOOST_AUTO_TEST_CASE(multiple_methods_order)
{
// methods are expected to be in alpabetical order
char const* sourceCode = "contract test {\n"
" function f(uint a) returns(uint d) { return a * 7; }\n"
" function c(uint b) returns(uint e) { return b * 8; }\n"
"}\n";
char const* interface = R"([
{
"name": "c",
"constant": false,
"type": "function",
"inputs": [
{
"name": "b",
"type": "uint256"
}
],
"outputs": [
{
"name": "e",
"type": "uint256"
}
]
},
{
"name": "f",
"constant": false,
"type": "function",
"inputs": [
{
"name": "a",
"type": "uint256"
}
],
"outputs": [
{
"name": "d",
"type": "uint256"
}
]
}
])";
checkInterface(sourceCode, interface);
}
BOOST_AUTO_TEST_CASE(const_function)
{
char const* sourceCode = "contract test {\n"
" function foo(uint a, uint b) returns(uint d) { return a + b; }\n"
" function boo(uint32 a) constant returns(uint b) { return a * 4; }\n"
"}\n";
char const* interface = R"([
{
"name": "foo",
"constant": false,
"type": "function",
"inputs": [
{
"name": "a",
"type": "uint256"
},
{
"name": "b",
"type": "uint256"
}
],
"outputs": [
{
"name": "d",
"type": "uint256"
}
]
},
{
"name": "boo",
"constant": true,
"type": "function",
"inputs": [{
"name": "a",
"type": "uint32"
}],
"outputs": [
{
"name": "b",
"type": "uint256"
}
]
}
])";
checkInterface(sourceCode, interface);
}
BOOST_AUTO_TEST_CASE(exclude_fallback_function)
{
char const* sourceCode = "contract test { function() {} }";
char const* interface = "[]";
checkInterface(sourceCode, interface);
}
BOOST_AUTO_TEST_CASE(events)
{
char const* sourceCode = "contract test {\n"
" function f(uint a) returns(uint d) { return a * 7; }\n"
" event e1(uint b, address indexed c); \n"
" event e2(); \n"
"}\n";
char const* interface = R"([
{
"name": "f",
"constant": false,
"type": "function",
"inputs": [
{
"name": "a",
"type": "uint256"
}
],
"outputs": [
{
"name": "d",
"type": "uint256"
}
]
},
{
"name": "e1",
"type": "event",
"inputs": [
{
"indexed": false,
"name": "b",
"type": "uint256"
},
{
"indexed": true,
"name": "c",
"type": "address"
}
]
},
{
"name": "e2",
"type": "event",
"inputs": []
}
])";
checkInterface(sourceCode, interface);
}
BOOST_AUTO_TEST_CASE(inherited)
{
char const* sourceCode =
" contract Base { \n"
" function baseFunction(uint p) returns (uint i) { return p; } \n"
" event baseEvent(string32 indexed evtArgBase); \n"
" } \n"
" contract Derived is Base { \n"
" function derivedFunction(string32 p) returns (string32 i) { return p; } \n"
" event derivedEvent(uint indexed evtArgDerived); \n"
" }";
char const* interface = R"([
{
"name": "baseFunction",
"constant": false,
"type": "function",
"inputs":
[{
"name": "p",
"type": "uint256"
}],
"outputs":
[{
"name": "i",
"type": "uint256"
}]
},
{
"name": "derivedFunction",
"constant": false,
"type": "function",
"inputs":
[{
"name": "p",
"type": "string32"
}],
"outputs":
[{
"name": "i",
"type": "string32"
}]
},
{
"name": "derivedEvent",
"type": "event",
"inputs":
[{
"indexed": true,
"name": "evtArgDerived",
"type": "uint256"
}]
},
{
"name": "baseEvent",
"type": "event",
"inputs":
[{
"indexed": true,
"name": "evtArgBase",
"type": "string32"
}]
}])";
checkInterface(sourceCode, interface);
}
BOOST_AUTO_TEST_CASE(empty_name_input_parameter_with_named_one)
{
char const* sourceCode = R"(
contract test {
function f(uint, uint k) returns(uint ret_k, uint ret_g){
uint g = 8;
ret_k = k;
ret_g = g;
}
})";
char const* interface = R"([
{
"name": "f",
"constant": false,
"type": "function",
"inputs": [
{
"name": "",
"type": "uint256"
},
{
"name": "k",
"type": "uint256"
}
],
"outputs": [
{
"name": "ret_k",
"type": "uint256"
},
{
"name": "ret_g",
"type": "uint256"
}
]
}
])";
checkInterface(sourceCode, interface);
}
BOOST_AUTO_TEST_CASE(empty_name_return_parameter)
{
char const* sourceCode = R"(
contract test {
function f(uint k) returns(uint){
return k;
}
})";
char const* interface = R"([
{
"name": "f",
"constant": false,
"type": "function",
"inputs": [
{
"name": "k",
"type": "uint256"
}
],
"outputs": [
{
"name": "",
"type": "uint256"
}
]
}
])";
checkInterface(sourceCode, interface);
}
BOOST_AUTO_TEST_SUITE_END()
}
}
}