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path: root/jsre/jsre_test.go
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package jsre

import (
    "github.com/robertkrimen/otto"
    "io/ioutil"
    "os"
    "testing"
    "time"
)

type testNativeObjectBinding struct {
    toVal func(interface{}) otto.Value
}

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()
    }
    return no.toVal(&msg{m})
}

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{jsre.ToVal})

    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)
}