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// Copyright © 2019 The Things Network Foundation, The Things Industries B.V.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package javascript_test
import (
"testing"
"github.com/smarty/assertions"
"go.thethings.network/lorawan-stack/v3/pkg/errors"
"go.thethings.network/lorawan-stack/v3/pkg/goproto"
"go.thethings.network/lorawan-stack/v3/pkg/scripting"
"go.thethings.network/lorawan-stack/v3/pkg/scripting/javascript"
"go.thethings.network/lorawan-stack/v3/pkg/util/test"
"go.thethings.network/lorawan-stack/v3/pkg/util/test/assertions/should"
)
func TestRun(t *testing.T) {
a := assertions.New(t)
ctx := test.Context()
script := `
function test() {
return {
x: 42
}
}
`
e := javascript.New(scripting.DefaultOptions)
as, err := e.Run(ctx, script, "test")
a.So(err, should.BeNil)
var output struct {
X int `json:"x"`
}
err = as(&output)
a.So(err, should.BeNil)
a.So(output.X, should.Equal, 42)
}
func TestRunError(t *testing.T) {
a := assertions.New(t)
ctx := test.Context()
script := `
function test() {
throw Error("something didn't work")
}
`
e := javascript.New(scripting.DefaultOptions)
_, err := e.Run(ctx, script, "test")
a.So(err, should.NotBeNil)
}
func TestRunStackOverflow(t *testing.T) {
a := assertions.New(t)
ctx := test.Context()
script := `
function test() {
var obj = {foo: "bar"};
obj.ob = obj;
return obj;
}
`
e := javascript.New(scripting.DefaultOptions)
_, err := e.Run(ctx, script, "test")
a.So(err, should.BeNil)
}
func TestRunTimeout(t *testing.T) {
a := assertions.New(t)
ctx := test.Context()
script := `
function test() {
while (true) { }
return {};
}
`
e := javascript.New(scripting.DefaultOptions)
_, err := e.Run(ctx, script, "test")
a.So(err, should.NotBeNil)
a.So(errors.IsDeadlineExceeded(err), should.BeTrue)
}
func TestStackOverflow(t *testing.T) {
t.Parallel()
a, ctx := test.New(t)
script := `
function test(input) {
var attempt = {};
attempt.test = attempt;
return attempt;
}
`
e := javascript.New(scripting.DefaultOptions)
as, err := e.Run(ctx, script, "test")
a.So(err, should.BeNil)
m := make(map[string]any)
err = as(&m)
a.So(err, should.BeNil)
_, err = goproto.Struct(m)
a.So(err, should.NotBeNil)
_, err = goproto.Struct(m)
a.So(err, should.NotBeNil)
}