github.com/klaytn/klaytn@v1.12.1/console/jsre/jsre_test.go (about)

     1  // Modifications Copyright 2018 The klaytn Authors
     2  // Copyright 2015 The go-ethereum Authors
     3  // This file is part of the go-ethereum library.
     4  //
     5  // The go-ethereum library is free software: you can redistribute it and/or modify
     6  // it under the terms of the GNU Lesser General Public License as published by
     7  // the Free Software Foundation, either version 3 of the License, or
     8  // (at your option) any later version.
     9  //
    10  // The go-ethereum library is distributed in the hope that it will be useful,
    11  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    12  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    13  // GNU Lesser General Public License for more details.
    14  //
    15  // You should have received a copy of the GNU Lesser General Public License
    16  // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
    17  //
    18  // This file is derived from internal/jsre/jsre_test.go (2018/06/04).
    19  // Modified and improved for the klaytn development.
    20  
    21  package jsre
    22  
    23  import (
    24  	"os"
    25  	"path"
    26  	"reflect"
    27  	"testing"
    28  	"time"
    29  
    30  	"github.com/dop251/goja"
    31  )
    32  
    33  type testNativeObjectBinding struct {
    34  	vm *goja.Runtime
    35  }
    36  
    37  type msg struct {
    38  	Msg string
    39  }
    40  
    41  func (no *testNativeObjectBinding) TestMethod(call goja.FunctionCall) goja.Value {
    42  	m := call.Argument(0).ToString().String()
    43  	return no.vm.ToValue(&msg{m})
    44  }
    45  
    46  func newWithTestJS(t *testing.T, testjs string) *JSRE {
    47  	dir := t.TempDir()
    48  	if testjs != "" {
    49  		if err := os.WriteFile(path.Join(dir, "test.js"), []byte(testjs), os.ModePerm); err != nil {
    50  			t.Fatal("cannot create test.js:", err)
    51  		}
    52  	}
    53  	jsre := New(dir, os.Stdout)
    54  	return jsre
    55  }
    56  
    57  func TestExec(t *testing.T) {
    58  	jsre := newWithTestJS(t, `msg = "testMsg"`)
    59  
    60  	err := jsre.Exec("test.js")
    61  	if err != nil {
    62  		t.Errorf("expected no error, got %v", err)
    63  	}
    64  	val, err := jsre.Run("msg")
    65  	if err != nil {
    66  		t.Errorf("expected no error, got %v", err)
    67  	}
    68  	if val.ExportType().Kind() != reflect.String {
    69  		t.Errorf("expected string value, got %v", val)
    70  	}
    71  	exp := "testMsg"
    72  	got := val.ToString().String()
    73  	if exp != got {
    74  		t.Errorf("expected '%v', got '%v'", exp, got)
    75  	}
    76  	jsre.Stop(false)
    77  }
    78  
    79  func TestNatto(t *testing.T) {
    80  	jsre := newWithTestJS(t, `setTimeout(function(){msg = "testMsg"}, 1);`)
    81  
    82  	err := jsre.Exec("test.js")
    83  	if err != nil {
    84  		t.Fatalf("expected no error, got %v", err)
    85  	}
    86  	time.Sleep(100 * time.Millisecond)
    87  	val, err := jsre.Run("msg")
    88  	if err != nil {
    89  		t.Fatalf("expected no error, got %v", err)
    90  	}
    91  	if val.ExportType().Kind() != reflect.String {
    92  		t.Fatalf("expected string value, got %v", val)
    93  	}
    94  	exp := "testMsg"
    95  	got := val.ToString().String()
    96  	if exp != got {
    97  		t.Fatalf("expected '%v', got '%v'", exp, got)
    98  	}
    99  	jsre.Stop(false)
   100  }
   101  
   102  func TestBind(t *testing.T) {
   103  	jsre := New("", os.Stdout)
   104  	defer jsre.Stop(false)
   105  
   106  	jsre.Set("no", &testNativeObjectBinding{vm: jsre.vm})
   107  
   108  	_, err := jsre.Run(`no.TestMethod("testMsg")`)
   109  	if err != nil {
   110  		t.Errorf("expected no error, got %v", err)
   111  	}
   112  }
   113  
   114  func TestLoadScript(t *testing.T) {
   115  	jsre := newWithTestJS(t, `msg = "testMsg"`)
   116  
   117  	_, err := jsre.Run(`loadScript("test.js")`)
   118  	if err != nil {
   119  		t.Errorf("expected no error, got %v", err)
   120  	}
   121  	val, err := jsre.Run("msg")
   122  	if err != nil {
   123  		t.Errorf("expected no error, got %v", err)
   124  	}
   125  	if val.ExportType().Kind() != reflect.String {
   126  		t.Errorf("expected string value, got %v", val)
   127  	}
   128  	exp := "testMsg"
   129  	got := val.ToString().String()
   130  	if exp != got {
   131  		t.Errorf("expected '%v', got '%v'", exp, got)
   132  	}
   133  	jsre.Stop(false)
   134  }