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			603 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			603 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/*
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	This file is part of cpp-ethereum.
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	cpp-ethereum is free software: you can redistribute it and/or modify
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	it under the terms of the GNU General Public License as published by
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	the Free Software Foundation, either version 3 of the License, or
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	(at your option) any later version.
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	cpp-ethereum is distributed in the hope that it will be useful,
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	but WITHOUT ANY WARRANTY; without even the implied warranty of
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	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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	GNU General Public License for more details.
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	You should have received a copy of the GNU General Public License
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	along with cpp-ethereum.  If not, see <http://www.gnu.org/licenses/>.
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 */
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/**
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 * @author Marek Kotewicz <marek@ethdev.com>
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 * @date 2014
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 * Unit tests for the solidity compiler JSON Interface output.
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 */
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#include "../TestHelper.h"
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#include <libsolidity/CompilerStack.h>
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#include <json/json.h>
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#include <libdevcore/Exceptions.h>
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namespace dev
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{
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namespace solidity
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{
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namespace test
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{
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class JSONInterfaceChecker
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{
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public:
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	JSONInterfaceChecker(): m_compilerStack(false) {}
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	void checkInterface(std::string const& _code, std::string const& _expectedInterfaceString)
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	{
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		ETH_TEST_REQUIRE_NO_THROW(m_compilerStack.parse(_code), "Parsing contract failed");
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		std::string generatedInterfaceString = m_compilerStack.getMetadata("", DocumentationType::ABIInterface);
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		Json::Value generatedInterface;
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		m_reader.parse(generatedInterfaceString, generatedInterface);
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		Json::Value expectedInterface;
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		m_reader.parse(_expectedInterfaceString, expectedInterface);
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		BOOST_CHECK_MESSAGE(expectedInterface == generatedInterface,
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							"Expected:\n" << expectedInterface.toStyledString() <<
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							"\n but got:\n" << generatedInterface.toStyledString());
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	}
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private:
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	CompilerStack m_compilerStack;
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	Json::Reader m_reader;
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};
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BOOST_FIXTURE_TEST_SUITE(SolidityABIJSON, JSONInterfaceChecker)
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BOOST_AUTO_TEST_CASE(basic_test)
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{
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	char const* sourceCode = "contract test {\n"
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	"  function f(uint a) returns(uint d) { return a * 7; }\n"
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	"}\n";
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	char const* interface = R"([
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	{
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		"name": "f",
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		"constant": false,
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		"type": "function",
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		"inputs": [
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		{
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			"name": "a",
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			"type": "uint256"
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		}
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		],
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		"outputs": [
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		{
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			"name": "d",
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			"type": "uint256"
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		}
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		]
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	}
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	])";
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	checkInterface(sourceCode, interface);
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}
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BOOST_AUTO_TEST_CASE(empty_contract)
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{
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	char const* sourceCode = "contract test {\n"
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	"}\n";
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	char const* interface = "[]";
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	checkInterface(sourceCode, interface);
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}
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BOOST_AUTO_TEST_CASE(multiple_methods)
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{
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	char const* sourceCode = "contract test {\n"
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	"  function f(uint a) returns(uint d) { return a * 7; }\n"
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	"  function g(uint b) returns(uint e) { return b * 8; }\n"
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	"}\n";
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	char const* interface = R"([
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	{
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		"name": "f",
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		"constant": false,
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		"type": "function",
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		"inputs": [
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		{
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			"name": "a",
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			"type": "uint256"
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		}
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		],
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		"outputs": [
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		{
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			"name": "d",
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			"type": "uint256"
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		}
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		]
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	},
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	{
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		"name": "g",
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		"constant": false,
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		"type": "function",
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		"inputs": [
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		{
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			"name": "b",
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			"type": "uint256"
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		}
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		],
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		"outputs": [
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		{
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			"name": "e",
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			"type": "uint256"
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		}
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		]
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	}
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	])";
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	checkInterface(sourceCode, interface);
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}
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BOOST_AUTO_TEST_CASE(multiple_params)
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{
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	char const* sourceCode = "contract test {\n"
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	"  function f(uint a, uint b) returns(uint d) { return a + b; }\n"
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	"}\n";
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	char const* interface = R"([
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	{
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		"name": "f",
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		"constant": false,
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		"type": "function",
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		"inputs": [
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		{
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			"name": "a",
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			"type": "uint256"
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		},
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		{
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			"name": "b",
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			"type": "uint256"
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		}
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		],
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		"outputs": [
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		{
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			"name": "d",
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			"type": "uint256"
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		}
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		]
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	}
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	])";
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	checkInterface(sourceCode, interface);
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}
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BOOST_AUTO_TEST_CASE(multiple_methods_order)
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{
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	// methods are expected to be in alpabetical order
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	char const* sourceCode = "contract test {\n"
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	"  function f(uint a) returns(uint d) { return a * 7; }\n"
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	"  function c(uint b) returns(uint e) { return b * 8; }\n"
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	"}\n";
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	char const* interface = R"([
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	{
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		"name": "c",
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		"constant": false,
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		"type": "function",
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		"inputs": [
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		{
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			"name": "b",
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			"type": "uint256"
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		}
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		],
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		"outputs": [
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		{
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			"name": "e",
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			"type": "uint256"
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		}
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		]
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	},
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	{
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		"name": "f",
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		"constant": false,
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		"type": "function",
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		"inputs": [
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		{
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			"name": "a",
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			"type": "uint256"
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		}
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		],
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		"outputs": [
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		{
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			"name": "d",
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			"type": "uint256"
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		}
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		]
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	}
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	])";
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	checkInterface(sourceCode, interface);
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}
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BOOST_AUTO_TEST_CASE(const_function)
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{
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	char const* sourceCode = "contract test {\n"
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	"  function foo(uint a, uint b) returns(uint d) { return a + b; }\n"
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	"  function boo(uint32 a) constant returns(uint b) { return a * 4; }\n"
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	"}\n";
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	char const* interface = R"([
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	{
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		"name": "foo",
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		"constant": false,
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		"type": "function",
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		"inputs": [
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		{
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			"name": "a",
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			"type": "uint256"
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		},
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		{
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			"name": "b",
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			"type": "uint256"
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		}
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		],
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		"outputs": [
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		{
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			"name": "d",
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			"type": "uint256"
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		}
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		]
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	},
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	{
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		"name": "boo",
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		"constant": true,
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		"type": "function",
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		"inputs": [{
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			"name": "a",
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			"type": "uint32"
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		}],
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		"outputs": [
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		{
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			"name": "b",
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			"type": "uint256"
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		}
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		]
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	}
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	])";
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	checkInterface(sourceCode, interface);
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}
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BOOST_AUTO_TEST_CASE(exclude_fallback_function)
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{
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	char const* sourceCode = "contract test { function() {} }";
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	char const* interface = "[]";
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	checkInterface(sourceCode, interface);
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}
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BOOST_AUTO_TEST_CASE(events)
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{
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	char const* sourceCode = "contract test {\n"
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	"  function f(uint a) returns(uint d) { return a * 7; }\n"
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	"  event e1(uint b, address indexed c); \n"
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	"  event e2(); \n"
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	"}\n";
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	char const* interface = R"([
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	{
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		"name": "f",
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		"constant": false,
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		"type": "function",
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		"inputs": [
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		{
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			"name": "a",
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			"type": "uint256"
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		}
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		],
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		"outputs": [
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		{
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			"name": "d",
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			"type": "uint256"
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		}
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		]
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	},
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	{
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		"name": "e1",
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		"type": "event",
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		"anonymous": false,
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		"inputs": [
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		{
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			"indexed": false,
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			"name": "b",
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			"type": "uint256"
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		},
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		{
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			"indexed": true,
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			"name": "c",
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			"type": "address"
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		}
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		]
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	},
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	{
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		"name": "e2",
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		"type": "event",
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		"anonymous": false,
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		"inputs": []
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	}
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	])";
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	checkInterface(sourceCode, interface);
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}
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BOOST_AUTO_TEST_CASE(events_anonymous)
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{
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	char const* sourceCode = "contract test {\n"
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	"  event e() anonymous; \n"
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	"}\n";
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	char const* interface = R"([
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	{
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		"name": "e",
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		"type": "event",
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		"anonymous": true,
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		"inputs": []
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	}
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	])";
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	checkInterface(sourceCode, interface);
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}
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BOOST_AUTO_TEST_CASE(inherited)
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{
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	char const* sourceCode =
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	"	contract Base { \n"
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	"		function baseFunction(uint p) returns (uint i) { return p; } \n"
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	"		event baseEvent(bytes32 indexed evtArgBase); \n"
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	"	} \n"
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	"	contract Derived is Base { \n"
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	"		function derivedFunction(bytes32 p) returns (bytes32 i) { return p; } \n"
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	"		event derivedEvent(uint indexed evtArgDerived); \n"
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	"	}";
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	char const* interface = R"([
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	{
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		"name": "baseFunction",
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		"constant": false,
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		"type": "function",
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		"inputs":
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		[{
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			"name": "p",
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			"type": "uint256"
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		}],
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		"outputs":
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		[{
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			"name": "i",
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			"type": "uint256"
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		}]
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	},
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	{
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		"name": "derivedFunction",
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		"constant": false,
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		"type": "function",
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		"inputs":
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		[{
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			"name": "p",
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			"type": "bytes32"
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		}],
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		"outputs":
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		[{
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			"name": "i",
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			"type": "bytes32"
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		}]
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	},
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	{
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		"name": "derivedEvent",
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		"type": "event",
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		"anonymous": false,
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		"inputs":
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		[{
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			"indexed": true,
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			"name": "evtArgDerived",
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			"type": "uint256"
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		}]
 | 
						|
	},
 | 
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	{
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		"name": "baseEvent",
 | 
						|
		"type": "event",
 | 
						|
		"anonymous": false,
 | 
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		"inputs":
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		[{
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			"indexed": true,
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						|
			"name": "evtArgBase",
 | 
						|
			"type": "bytes32"
 | 
						|
		}]
 | 
						|
	}])";
 | 
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 | 
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 | 
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	checkInterface(sourceCode, interface);
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}
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BOOST_AUTO_TEST_CASE(empty_name_input_parameter_with_named_one)
 | 
						|
{
 | 
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	char const* sourceCode = R"(
 | 
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	contract test {
 | 
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		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"([
 | 
						|
	{
 | 
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		"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);
 | 
						|
}
 | 
						|
 | 
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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_CASE(constructor_abi)
 | 
						|
{
 | 
						|
	char const* sourceCode = R"(
 | 
						|
		contract test {
 | 
						|
			function test(uint param1, test param2, bool param3) {}
 | 
						|
		}
 | 
						|
	)";
 | 
						|
 | 
						|
	char const* interface = R"([
 | 
						|
	{
 | 
						|
		"inputs": [
 | 
						|
			{
 | 
						|
				"name": "param1",
 | 
						|
				"type": "uint256"
 | 
						|
			},
 | 
						|
			{
 | 
						|
				"name": "param2",
 | 
						|
				"type": "address"
 | 
						|
			},
 | 
						|
			{
 | 
						|
				"name": "param3",
 | 
						|
				"type": "bool"
 | 
						|
			}
 | 
						|
		],
 | 
						|
		"type": "constructor"
 | 
						|
	}
 | 
						|
	])";
 | 
						|
	checkInterface(sourceCode, interface);
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
BOOST_AUTO_TEST_CASE(return_param_in_abi)
 | 
						|
{
 | 
						|
	// bug #1801
 | 
						|
	char const* sourceCode = R"(
 | 
						|
		contract test {
 | 
						|
			enum ActionChoices { GoLeft, GoRight, GoStraight, Sit }
 | 
						|
			function test(ActionChoices param) {}
 | 
						|
			function ret() returns(ActionChoices){
 | 
						|
				ActionChoices action = ActionChoices.GoLeft;
 | 
						|
				return action;
 | 
						|
			}
 | 
						|
		}
 | 
						|
	)";
 | 
						|
 | 
						|
	char const* interface = R"(
 | 
						|
	[
 | 
						|
		{
 | 
						|
			"constant" : false,
 | 
						|
			"inputs" : [],
 | 
						|
			"name" : "ret",
 | 
						|
			"outputs" : [
 | 
						|
				{
 | 
						|
					"name" : "",
 | 
						|
					"type" : "uint8"
 | 
						|
				}
 | 
						|
			],
 | 
						|
			"type" : "function"
 | 
						|
		},
 | 
						|
		{
 | 
						|
			"inputs": [
 | 
						|
				{
 | 
						|
					"name": "param",
 | 
						|
					"type": "uint8"
 | 
						|
				}
 | 
						|
			],
 | 
						|
			"type": "constructor"
 | 
						|
		}
 | 
						|
	]
 | 
						|
	)";
 | 
						|
	checkInterface(sourceCode, interface);
 | 
						|
}
 | 
						|
 | 
						|
BOOST_AUTO_TEST_CASE(strings_and_arrays)
 | 
						|
{
 | 
						|
	// bug #1801
 | 
						|
	char const* sourceCode = R"(
 | 
						|
		contract test {
 | 
						|
			function f(string a, bytes b, uint[] c) external {}
 | 
						|
		}
 | 
						|
	)";
 | 
						|
 | 
						|
	char const* interface = R"(
 | 
						|
	[
 | 
						|
		{
 | 
						|
			"constant" : false,
 | 
						|
			"name": "f",
 | 
						|
			"inputs": [
 | 
						|
				{ "name": "a", "type": "string" },
 | 
						|
				{ "name": "b", "type": "bytes" },
 | 
						|
				{ "name": "c", "type": "uint256[]" }
 | 
						|
			],
 | 
						|
			"outputs": [],
 | 
						|
			"type" : "function"
 | 
						|
		}
 | 
						|
	]
 | 
						|
	)";
 | 
						|
	checkInterface(sourceCode, interface);
 | 
						|
}
 | 
						|
 | 
						|
BOOST_AUTO_TEST_SUITE_END()
 | 
						|
 | 
						|
}
 | 
						|
}
 | 
						|
}
 |