// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library 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 Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package compiler
import (
"encoding/json"
"io/ioutil"
"os"
"path"
"testing"
"github.com/ethereum/go-ethereum/common"
)
const solcVersion = "0.1.1"
var (
source = `
contract test {
/// @notice Will multiply ` + "`a`" + ` by 7.
function multiply(uint a) returns(uint d) {
return a * 7;
}
}
`
code = "0x6060604052606d8060116000396000f30060606040526000357c010000000000000000000000000000000000000000000000000000000090048063c6888fa1146037576035565b005b6046600480359060200150605c565b6040518082815260200191505060405180910390f35b60006007820290506068565b91905056"
info = `{"source":"\ncontract test {\n /// @notice Will multiply ` + "`a`" + ` by 7.\n function multiply(uint a) returns(uint d) {\n return a * 7;\n }\n}\n","language":"Solidity","languageVersion":"0.1.1","compilerVersion":"0.1.1","compilerOptions":"--binary file --json-abi file --natspec-user file --natspec-dev file --add-std 1","abiDefinition":[{"constant":false,"inputs":[{"name":"a","type":"uint256"}],"name":"multiply","outputs":[{"name":"d","type":"uint256"}],"type":"function"}],"userDoc":{"methods":{"multiply(uint256)":{"notice":"Will multiply ` + "`a`" + ` by 7."}}},"developerDoc":{"methods":{}}}`
infohash = common.HexToHash("0x9f3803735e7f16120c5a140ab3f02121fd3533a9655c69b33a10e78752cc49b0")
)
func TestCompiler(t *testing.T) {
sol, err := New("")
if err != nil {
t.Skipf("solc not found: %v", err)
} else if sol.Version() != solcVersion {
t.Skipf("WARNING: a newer version of solc found (%v, expect %v)", sol.Version(), solcVersion)
}
contracts, err := sol.Compile(source)
if err != nil {
t.Errorf("error compiling source. result %v: %v", contracts, err)
return
}
if len(contracts) != 1 {
t.Errorf("one contract expected, got\n%s", len(contracts))
}
if contracts["test"].Code != code {
t.Errorf("wrong code, expected\n%s, got\n%s", code, contracts["test"].Code)
}
}
func TestCompileError(t *testing.T) {
sol, err := New("")
if err != nil || sol.version != solcVersion {
t.Skip("solc not found: skip")
} else if sol.Version() != solcVersion {
t.Skip("WARNING: skipping due to a newer version of solc found (%v, expect %v)", sol.Version(), solcVersion)
}
contracts, err := sol.Compile(source[2:])
if err == nil {
t.Errorf("error expected compiling source. got none. result %v", contracts)
return
}
}
func TestNoCompiler(t *testing.T) {
_, err := New("/path/to/solc")
if err != nil {
t.Logf("solidity quits with error: %v", err)
} else {
t.Errorf("no solc installed, but got no error")
}
}
func TestSaveInfo(t *testing.T) {
var cinfo ContractInfo
err := json.Unmarshal([]byte(info), &cinfo)
if err != nil {
t.Errorf("%v", err)
}
filename := path.Join(os.TempDir(), "solctest.info.json")
os.Remove(filename)
cinfohash, err := SaveInfo(&cinfo, filename)
if err != nil {
t.Errorf("error extracting info: %v", err)
}
got, err := ioutil.ReadFile(filename)
if err != nil {
t.Errorf("error reading '%v': %v", filename, err)
}
if string(got) != info {
t.Errorf("incorrect info.json extracted, expected:\n%s\ngot\n%s", info, string(got))
}
if cinfohash != infohash {
t.Errorf("content hash for info is incorrect. expected %v, got %v", infohash.Hex(), cinfohash.Hex())
}
}
