Add basic test for jsonCompiler

2 files changed, 144 insertions, 1 deletions

diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index 2fc5c77e..ddec205e 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -19,7 +19,7 @@ eth_simple_add_executable(${EXECUTABLE} ${SRC_LIST} ${HEADERS})
 eth_use(${EXECUTABLE} REQUIRED Solidity::solidity Solidity::lll)
 
 include_directories(BEFORE ..)
-target_link_libraries(${EXECUTABLE} ${Boost_UNIT_TEST_FRAMEWORK_LIBRARIES})
+target_link_libraries(${EXECUTABLE} soljson ${Boost_UNIT_TEST_FRAMEWORK_LIBRARIES})
 
 add_executable(solfuzzer fuzzer.cpp)
 target_link_libraries(solfuzzer soljson ${Boost_PROGRAM_OPTIONS_LIBRARIES})
diff --git a/test/libsolidity/JSONCompiler.cpp b/test/libsolidity/JSONCompiler.cpp
new file mode 100644
index 00000000..90d1ff59
--- /dev/null
+++ b/test/libsolidity/JSONCompiler.cpp
@@ -0,0 +1,143 @@
+/*
+	This file is part of solidity.
+
+	solidity is free software: you can redistribute it and/or modify
+	it under the terms of the GNU General Public License as published by
+	the Free Software Foundation, either version 3 of the License, or
+	(at your option) any later version.
+
+	solidity is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+	GNU General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with solidity.  If not, see <http://www.gnu.org/licenses/>.
+*/
+/**
+ * @date 2017
+ * Unit tests for solc/jsonCompiler.cpp.
+ */
+
+#include <string>
+#include <iostream>
+#include <regex>
+#include <boost/test/unit_test.hpp>
+#include <libdevcore/JSON.h>
+
+using namespace std;
+
+extern "C"
+{
+extern char const* compileJSONMulti(char const* _input, bool _optimize);
+}
+
+namespace dev
+{
+namespace solidity
+{
+namespace test
+{
+
+namespace
+{
+
+string bytecodeSansMetadata(string const& _bytecode)
+{
+	/// The metadata hash takes up 43 bytes (or 86 characters in hex)
+	/// /a165627a7a72305820([0-9a-f]{64})0029$/
+
+	if (_bytecode.size() < 88)
+		return _bytecode;
+
+	if (_bytecode.substr(_bytecode.size() - 4, 4) != "0029")
+		return _bytecode;
+
+	if (_bytecode.substr(_bytecode.size() - 86, 18) != "a165627a7a72305820")
+		return _bytecode;
+
+	return _bytecode.substr(0, _bytecode.size() - 86);
+}
+
+bool isValidMetadata(string const& _metadata)
+{
+	Json::Value metadata;
+	if (!Json::Reader().parse(_metadata, metadata, false))
+		return false;
+
+	if (
+		!metadata.isObject() ||
+		!metadata.isMember("version") ||
+		!metadata.isMember("language") ||
+		!metadata.isMember("compiler") ||
+		!metadata.isMember("settings") ||
+		!metadata.isMember("sources") ||
+		!metadata.isMember("output")
+	)
+		return false;
+
+	if (!metadata["version"].isNumeric() || metadata["version"] != 1)
+		return false;
+
+	if (!metadata["language"].isString() || metadata["language"].asString() != "Solidity")
+		return false;
+
+	/// @TODO add more strict checks
+
+	return true;
+}
+
+Json::Value compile(string const& _input)
+{
+	string output(compileJSONMulti(_input.c_str(), false));
+	Json::Value ret;
+	BOOST_REQUIRE(Json::Reader().parse(output, ret, false));
+	return ret;
+}
+
+} // end anonymous namespace
+
+BOOST_AUTO_TEST_SUITE(JSONCompiler)
+
+BOOST_AUTO_TEST_CASE(basic_compilation)
+{
+	char const* input = R"(
+	{
+		"sources": {
+			"fileA": "contract A { }"
+		}
+	}
+	)";
+	Json::Value result = compile(input);
+	BOOST_CHECK(result.isObject());
+	BOOST_CHECK(result["contracts"].isObject());
+	BOOST_CHECK(result["contracts"]["fileA:A"].isObject());
+	Json::Value contract = result["contracts"]["fileA:A"];
+	BOOST_CHECK(contract.isObject());
+	BOOST_CHECK(contract["interface"].isString());
+	BOOST_CHECK(contract["interface"].asString() == "[]");
+	BOOST_CHECK(contract["bytecode"].isString());
+	BOOST_CHECK(bytecodeSansMetadata(contract["bytecode"].asString()) ==
+		"60606040523415600b57fe5b5b60338060196000396000f30060606040525bfe00");
+	BOOST_CHECK(contract["runtimeBytecode"].isString());
+	BOOST_CHECK(bytecodeSansMetadata(contract["runtimeBytecode"].asString()) ==
+		"60606040525bfe00");
+	BOOST_CHECK(contract["functionHashes"].isObject());
+	BOOST_CHECK(contract["gasEstimates"].isObject());
+	BOOST_CHECK(dev::jsonCompactPrint(contract["gasEstimates"]) ==
+		"{\"creation\":[62,10200],\"external\":{},\"internal\":{}}");
+	BOOST_CHECK(contract["metadata"].isString());
+	BOOST_CHECK(isValidMetadata(contract["metadata"].asString()));
+	BOOST_CHECK(result["sources"].isObject());
+	BOOST_CHECK(result["sources"]["fileA"].isObject());
+	BOOST_CHECK(result["sources"]["fileA"]["AST"].isObject());
+	BOOST_CHECK(dev::jsonCompactPrint(result["sources"]["fileA"]["AST"]) ==
+		"{\"children\":[{\"attributes\":{\"fullyImplemented\":true,\"isLibrary\":false,\"linearizedBaseContracts\":[1],"
+		"\"name\":\"A\"},\"children\":[],\"id\":1,\"name\":\"ContractDefinition\",\"src\":\"0:14:0\"}],\"name\":\"SourceUnit\"}");
+}
+
+BOOST_AUTO_TEST_SUITE_END()
+
+}
+}
+} // end namespaces