neoneo-go/pkg/compiler/compiler_test.go

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package compiler_test
import (
"io/ioutil"
"os"
"path"
"strings"
"testing"
"github.com/nspcc-dev/neo-go/pkg/compiler"
"github.com/nspcc-dev/neo-go/pkg/config"
"github.com/stretchr/testify/require"
)
const examplePath = "../../examples"
const exampleCompilePath = "testdata/compile"
const exampleSavePath = exampleCompilePath + "/save"
type compilerTestCase struct {
name string
function func(*testing.T)
}
func TestCompiler(t *testing.T) {
// CompileAndSave use config.Version for proper .nef generation.
config.Version = "0.90.0-test"
testCases := []compilerTestCase{
{
name: "TestCompileDirectory",
function: func(t *testing.T) {
const multiMainDir = "testdata/multi"
_, di, err := compiler.CompileWithDebugInfo(multiMainDir, nil)
require.NoError(t, err)
m := map[string]bool{}
for i := range di.Methods {
m[di.Methods[i].ID] = true
}
require.Contains(t, m, "Func1")
require.Contains(t, m, "Func2")
},
},
{
name: "TestCompile",
function: func(t *testing.T) {
infos, err := ioutil.ReadDir(examplePath)
require.NoError(t, err)
for _, info := range infos {
if !info.IsDir() {
// example smart contracts are located in the `examplePath` subdirectories, but
// there are also a couple of files inside the `examplePath` which doesn't need to be compiled
continue
}
infos, err := ioutil.ReadDir(path.Join(examplePath, info.Name()))
require.NoError(t, err)
require.False(t, len(infos) == 0, "detected smart contract folder with no contract in it")
filename := filterFilename(infos)
targetPath := path.Join(examplePath, info.Name(), filename)
require.NoError(t, compileFile(targetPath))
}
},
},
{
name: "TestCompileAndSave",
function: func(t *testing.T) {
infos, err := ioutil.ReadDir(exampleCompilePath)
require.NoError(t, err)
err = os.MkdirAll(exampleSavePath, os.ModePerm)
require.NoError(t, err)
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t.Cleanup(func() {
err := os.RemoveAll(exampleSavePath)
require.NoError(t, err)
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})
outfile := exampleSavePath + "/test.nef"
_, err = compiler.CompileAndSave(exampleCompilePath+"/"+infos[0].Name(), &compiler.Options{Outfile: outfile})
require.NoError(t, err)
},
},
}
for _, tcase := range testCases {
t.Run(tcase.name, tcase.function)
}
}
func filterFilename(infos []os.FileInfo) string {
for _, info := range infos {
if !info.IsDir() {
return info.Name()
}
}
return ""
}
func compileFile(src string) error {
_, err := compiler.Compile(src, nil)
return err
}
func TestOnPayableChecks(t *testing.T) {
compileAndCheck := func(t *testing.T, src string) error {
_, di, err := compiler.CompileWithDebugInfo("payable", strings.NewReader(src))
require.NoError(t, err)
_, err = compiler.CreateManifest(di, &compiler.Options{})
return err
}
t.Run("NEP-11, good", func(t *testing.T) {
src := `package payable
import "github.com/nspcc-dev/neo-go/pkg/interop"
func OnNEP11Payment(from interop.Hash160, amount int, tokenID []byte) {}`
require.NoError(t, compileAndCheck(t, src))
})
t.Run("NEP-11, bad", func(t *testing.T) {
src := `package payable
import "github.com/nspcc-dev/neo-go/pkg/interop"
func OnNEP11Payment(from interop.Hash160, amount int, oldParam string, tokenID []byte) {}`
require.Error(t, compileAndCheck(t, src))
})
t.Run("NEP-17, good", func(t *testing.T) {
src := `package payable
import "github.com/nspcc-dev/neo-go/pkg/interop"
func OnNEP17Payment(from interop.Hash160, amount int, data interface{}) {}`
require.NoError(t, compileAndCheck(t, src))
})
t.Run("NEP-17, bad", func(t *testing.T) {
src := `package payable
import "github.com/nspcc-dev/neo-go/pkg/interop"
func OnNEP17Payment(from interop.Hash160, amount int, data interface{}, extra int) {}`
require.Error(t, compileAndCheck(t, src))
})
}