snapshot of https://github.com/cortezaproject/corteza.git (2024.9.x, 2026-09-18; blobs > 131072B omitted)

server/pkg/jsenv/vm_test.go

@@ -0,0 +1,101 @@
+package jsenv
+
+import (
+	"reflect"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func Test_registerFunction(t *testing.T) {
+	type (
+		tf struct {
+			name      string
+			err       string
+			fn        string
+			wrapperFn func() string
+		}
+	)
+
+	var (
+		tcc = []tf{
+			{
+				name: "register js func",
+				fn:   "return 1;",
+			},
+			{
+				name:      "register js custom wrapper fn",
+				fn:        "return second;",
+				wrapperFn: func() string { return "function (first, second, third) { %s }" },
+			},
+			{
+				name: "register js func error",
+				fn:   "function () {return 1",
+				err:  "SyntaxError: SyntaxError: (anonymous): Line 1:69 Unexpected end of input (and 1 more errors)",
+			},
+		}
+	)
+
+	for _, tc := range tcc {
+		t.Run(tc.name, func(t *testing.T) {
+			var (
+				f   *Fn
+				err error
+
+				req = require.New(t)
+				tr  = NewTransformer(LoaderJS, TargetNoop)
+				vm  = New(tr)
+			)
+
+			if tc.wrapperFn != nil {
+				f, err = vm.RegisterFunction(tc.fn, tc.wrapperFn)
+			} else {
+				f, err = vm.RegisterFunction(tc.fn)
+			}
+
+			if tc.err == "" {
+				req.NoError(err)
+				req.Equal(reflect.Func, reflect.TypeOf(f.f).Kind())
+				req.Equal("Callable", reflect.TypeOf(f.f).Name())
+			} else {
+				req.Errorf(err, tc.err)
+				req.Nil(f)
+			}
+
+		})
+	}
+}
+
+func Test_compile(t *testing.T) {
+	var (
+		req = require.New(t)
+		tr  = NewTransformer(LoaderJS, TargetNoop)
+		vm  = New(tr)
+	)
+
+	err := vm.Compile(`function () {return 1`)
+
+	req.Errorf(err, "SyntaxError: SyntaxError: (anonymous): Line 1:69 Unexpected end of input (and 1 more errors)")
+}
+
+func Test_funcDescriptor(t *testing.T) {
+	var (
+		req = require.New(t)
+		tr  = NewTransformer(LoaderJS, TargetNoop)
+		vm  = New(tr)
+	)
+
+	req.Equal("_expFunc_1a6126e35863d2e16ba8e40f40668fdb", vm.funcDescriptor(`function () {return 1}`))
+}
+
+func Test_fetchEval(t *testing.T) {
+	var (
+		req = require.New(t)
+		tr  = NewTransformer(LoaderJS, TargetNoop)
+		vm  = New(tr)
+	)
+
+	req.NoError(vm.Eval(`foo = 'bar'`))
+	req.Equal("bar", vm.Fetch("foo").Export())
+	req.Nil(vm.Fetch("bar"))
+}