package jsre import ( "github.com/robertkrimen/otto" "testing" "github.com/ethereum/go-ethereum/common" ) 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") common.WriteFile("/tmp/test.js", []byte(`msg = "testMsg"`)) 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) } } 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) } func TestLoadScript(t *testing.T) { jsre := New("/tmp") common.WriteFile("/tmp/test.js", []byte(`msg = "testMsg"`)) _, 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) } }