138 lines
3.3 KiB
Go
138 lines
3.3 KiB
Go
// Copyright 2015 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser 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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//
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// The go-ethereum library 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 Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package jsre
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import (
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"io/ioutil"
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"os"
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"path"
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"testing"
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"time"
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"github.com/robertkrimen/otto"
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)
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type testNativeObjectBinding struct{}
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type msg struct {
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Msg string
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}
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func (no *testNativeObjectBinding) TestMethod(call otto.FunctionCall) otto.Value {
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m, err := call.Argument(0).ToString()
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if err != nil {
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return otto.UndefinedValue()
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}
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v, _ := call.Otto.ToValue(&msg{m})
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return v
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}
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func newWithTestJS(t *testing.T, testjs string) (*JSRE, string) {
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dir, err := ioutil.TempDir("", "jsre-test")
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if err != nil {
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t.Fatal("cannot create temporary directory:", err)
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}
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if testjs != "" {
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if err := ioutil.WriteFile(path.Join(dir, "test.js"), []byte(testjs), os.ModePerm); err != nil {
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t.Fatal("cannot create test.js:", err)
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}
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}
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return New(dir), dir
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}
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func TestExec(t *testing.T) {
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jsre, dir := newWithTestJS(t, `msg = "testMsg"`)
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defer os.RemoveAll(dir)
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err := jsre.Exec("test.js")
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if err != nil {
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t.Errorf("expected no error, got %v", err)
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}
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val, err := jsre.Run("msg")
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if err != nil {
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t.Errorf("expected no error, got %v", err)
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}
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if !val.IsString() {
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t.Errorf("expected string value, got %v", val)
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}
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exp := "testMsg"
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got, _ := val.ToString()
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if exp != got {
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t.Errorf("expected '%v', got '%v'", exp, got)
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}
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jsre.Stop(false)
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}
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func TestNatto(t *testing.T) {
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jsre, dir := newWithTestJS(t, `setTimeout(function(){msg = "testMsg"}, 1);`)
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defer os.RemoveAll(dir)
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err := jsre.Exec("test.js")
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if err != nil {
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t.Errorf("expected no error, got %v", err)
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}
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time.Sleep(100 * time.Millisecond)
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val, err := jsre.Run("msg")
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if err != nil {
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t.Errorf("expected no error, got %v", err)
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}
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if !val.IsString() {
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t.Errorf("expected string value, got %v", val)
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}
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exp := "testMsg"
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got, _ := val.ToString()
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if exp != got {
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t.Errorf("expected '%v', got '%v'", exp, got)
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}
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jsre.Stop(false)
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}
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func TestBind(t *testing.T) {
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jsre := New("")
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defer jsre.Stop(false)
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jsre.Bind("no", &testNativeObjectBinding{})
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_, err := jsre.Run(`no.TestMethod("testMsg")`)
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if err != nil {
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t.Errorf("expected no error, got %v", err)
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}
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}
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func TestLoadScript(t *testing.T) {
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jsre, dir := newWithTestJS(t, `msg = "testMsg"`)
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defer os.RemoveAll(dir)
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_, err := jsre.Run(`loadScript("test.js")`)
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if err != nil {
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t.Errorf("expected no error, got %v", err)
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}
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val, err := jsre.Run("msg")
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if err != nil {
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t.Errorf("expected no error, got %v", err)
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}
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if !val.IsString() {
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t.Errorf("expected string value, got %v", val)
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}
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exp := "testMsg"
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got, _ := val.ToString()
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if exp != got {
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t.Errorf("expected '%v', got '%v'", exp, got)
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}
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jsre.Stop(false)
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}
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