86 lines
1.9 KiB
Go
86 lines
1.9 KiB
Go
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package jsre
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import (
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"github.com/obscuren/otto"
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"os"
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"path"
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"testing"
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"github.com/ethereum/go-ethereum/ethutil"
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)
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var defaultAssetPath = path.Join(os.Getenv("GOPATH"), "src", "github.com", "ethereum", "go-ethereum", "cmd", "mist", "assets", "ext")
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type testNativeObjectBinding struct {
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toVal func(interface{}) otto.Value
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}
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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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return no.toVal(&msg{m})
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}
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func TestExec(t *testing.T) {
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jsre := New("/tmp")
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ethutil.WriteFile("/tmp/test.js", []byte(`msg = "testMsg"`))
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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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// this errors
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err = jsre.Exec(path.Join(defaultAssetPath, "bignumber.min.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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_, err = jsre.Run("x = new BigNumber(123.4567);")
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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 TestBind(t *testing.T) {
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jsre := New(defaultAssetPath)
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jsre.Bind("no", &testNativeObjectBinding{jsre.ToVal})
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val, 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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pp, err := jsre.PrettyPrint(val)
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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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t.Logf("no: %v", pp)
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}
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func TestRequire(t *testing.T) {
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jsre := New(defaultAssetPath)
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_, err := jsre.Run("x = new BigNumber(123.4567);")
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if err == nil {
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t.Errorf("expected error, got nothing")
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}
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_, err = jsre.Run(`loadScript("bignumber.min.js"); x = new BigNumber(123.4567)`)
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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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