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- // 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 jsre
- import (
- "io/ioutil"
- "os"
- "path"
- "reflect"
- "testing"
- "time"
- "github.com/dop251/goja"
- )
- type testNativeObjectBinding struct {
- vm *goja.Runtime
- }
- type msg struct {
- Msg string
- }
- func (no *testNativeObjectBinding) TestMethod(call goja.FunctionCall) goja.Value {
- m := call.Argument(0).ToString().String()
- return no.vm.ToValue(&msg{m})
- }
- func newWithTestJS(t *testing.T, testjs string) (*JSRE, string) {
- dir, err := ioutil.TempDir("", "jsre-test")
- if err != nil {
- t.Fatal("cannot create temporary directory:", err)
- }
- if testjs != "" {
- if err := ioutil.WriteFile(path.Join(dir, "test.js"), []byte(testjs), os.ModePerm); err != nil {
- t.Fatal("cannot create test.js:", err)
- }
- }
- jsre := New(dir, os.Stdout)
- return jsre, dir
- }
- func TestExec(t *testing.T) {
- jsre, dir := newWithTestJS(t, `msg = "testMsg"`)
- defer os.RemoveAll(dir)
- err := jsre.Exec("test.js")
- if err != nil {
- t.Errorf("expected no error, got %v", err)
- }
- val, err := jsre.Run("msg")
- if err != nil {
- t.Errorf("expected no error, got %v", err)
- }
- if val.ExportType().Kind() != reflect.String {
- t.Errorf("expected string value, got %v", val)
- }
- exp := "testMsg"
- got := val.ToString().String()
- if exp != got {
- t.Errorf("expected '%v', got '%v'", exp, got)
- }
- jsre.Stop(false)
- }
- func TestNatto(t *testing.T) {
- jsre, dir := newWithTestJS(t, `setTimeout(function(){msg = "testMsg"}, 1);`)
- defer os.RemoveAll(dir)
- err := jsre.Exec("test.js")
- if err != nil {
- t.Errorf("expected no error, got %v", err)
- }
- time.Sleep(100 * time.Millisecond)
- val, err := jsre.Run("msg")
- if err != nil {
- t.Errorf("expected no error, got %v", err)
- }
- if val.ExportType().Kind() != reflect.String {
- t.Errorf("expected string value, got %v", val)
- }
- exp := "testMsg"
- got := val.ToString().String()
- if exp != got {
- t.Errorf("expected '%v', got '%v'", exp, got)
- }
- jsre.Stop(false)
- }
- func TestBind(t *testing.T) {
- jsre := New("", os.Stdout)
- defer jsre.Stop(false)
- jsre.Set("no", &testNativeObjectBinding{vm: jsre.vm})
- _, err := jsre.Run(`no.TestMethod("testMsg")`)
- if err != nil {
- t.Errorf("expected no error, got %v", err)
- }
- }
- func TestLoadScript(t *testing.T) {
- jsre, dir := newWithTestJS(t, `msg = "testMsg"`)
- defer os.RemoveAll(dir)
- _, err := jsre.Run(`loadScript("test.js")`)
- if err != nil {
- t.Errorf("expected no error, got %v", err)
- }
- val, err := jsre.Run("msg")
- if err != nil {
- t.Errorf("expected no error, got %v", err)
- }
- if val.ExportType().Kind() != reflect.String {
- t.Errorf("expected string value, got %v", val)
- }
- exp := "testMsg"
- got := val.ToString().String()
- if exp != got {
- t.Errorf("expected '%v', got '%v'", exp, got)
- }
- jsre.Stop(false)
- }
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