go-pulse/jsre/jsre_test.go
Felix Lange e221a449e0 cmd/geth, jsre, rpc: run all JS code on the event loop
Some JSRE methods (PrettyPrint, ToVal) bypassed the event loop. All
calls to the JS VM are now wrapped. In order to make this somewhat more
foolproof, the otto VM is now a local variable inside the event loop.
2015-05-25 02:27:37 +02:00

113 lines
2.3 KiB
Go

package jsre
import (
"io/ioutil"
"os"
"testing"
"time"
"github.com/robertkrimen/otto"
)
type testNativeObjectBinding struct{}
type msg struct {
Msg string
}
func (no *testNativeObjectBinding) TestMethod(call otto.FunctionCall) otto.Value {
m, err := call.Argument(0).ToString()
if err != nil {
return otto.UndefinedValue()
}
v, _ := call.Otto.ToValue(&msg{m})
return v
}
func TestExec(t *testing.T) {
jsre := New("/tmp")
ioutil.WriteFile("/tmp/test.js", []byte(`msg = "testMsg"`), os.ModePerm)
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.IsString() {
t.Errorf("expected string value, got %v", val)
}
exp := "testMsg"
got, _ := val.ToString()
if exp != got {
t.Errorf("expected '%v', got '%v'", exp, got)
}
jsre.Stop(false)
}
func TestNatto(t *testing.T) {
jsre := New("/tmp")
ioutil.WriteFile("/tmp/test.js", []byte(`setTimeout(function(){msg = "testMsg"}, 1);`), os.ModePerm)
err := jsre.Exec("test.js")
if err != nil {
t.Errorf("expected no error, got %v", err)
}
time.Sleep(time.Millisecond * 10)
val, err := jsre.Run("msg")
if err != nil {
t.Errorf("expected no error, got %v", err)
}
if !val.IsString() {
t.Errorf("expected string value, got %v", val)
}
exp := "testMsg"
got, _ := val.ToString()
if exp != got {
t.Errorf("expected '%v', got '%v'", exp, got)
}
jsre.Stop(false)
}
func TestBind(t *testing.T) {
jsre := New("/tmp")
jsre.Bind("no", &testNativeObjectBinding{})
val, err := jsre.Run(`no.TestMethod("testMsg")`)
if err != nil {
t.Errorf("expected no error, got %v", err)
}
pp, err := jsre.PrettyPrint(val)
if err != nil {
t.Errorf("expected no error, got %v", err)
}
t.Logf("no: %v", pp)
jsre.Stop(false)
}
func TestLoadScript(t *testing.T) {
jsre := New("/tmp")
ioutil.WriteFile("/tmp/test.js", []byte(`msg = "testMsg"`), os.ModePerm)
_, 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.IsString() {
t.Errorf("expected string value, got %v", val)
}
exp := "testMsg"
got, _ := val.ToString()
if exp != got {
t.Errorf("expected '%v', got '%v'", exp, got)
}
jsre.Stop(false)
}