improve JavaScript shared memory keys function

fix tests

Author: marle3003

engine/engine.go

@@ -57,6 +57,7 @@ func NewEngine(opts ...Options) *Engine {
 		scripts:   make(map[string]*scriptHost),
 		scheduler: NewDefaultScheduler(),
 		logger:    newLogger(log.StandardLogger()),
+		store:     &Store{data: make(map[string]any)},
 	}
 	for _, opt := range opts {
 		opt(e)

engine/enginetest/host.go

@@ -141,6 +141,9 @@ func (h *Host) KafkaClient() common.KafkaClient {
 }
 
 func (h *Host) Store() common.Store {
+	if h.StoreTest == nil {
+		h.StoreTest = &Store{data: make(map[string]any)}
+	}
 	return h.StoreTest
 }
 

js/mokapi/shared.go

@@ -2,6 +2,7 @@ package mokapi
 
 import (
 	"mokapi/engine/common"
+	"sort"
 	"sync"
 )
 
@@ -70,10 +71,11 @@ func (m *SharedMemory) Update(key string, fn func(v any) any) any {
 func (m *SharedMemory) Keys() []string {
 	m.m.RLock()
 	defer m.m.RUnlock()
-	var keys []string
+	keys := make([]string, 0, len(m.data))
 	for k := range m.data {
 		keys = append(keys, k)
 	}
+	sort.Strings(keys)
 	return keys
 }
 

js/mokapi/shared_test.go

@@ -145,17 +145,19 @@ func TestModule_Shared(t *testing.T) {
 				_, err := vm1.RunString(`
 					const m = require('mokapi');
 					m.shared.set('foo', 123);
+					m.shared.set('1', '-');
 				`)
 				r.NoError(t, err)
 
 				v, err := vm2.RunString(`
 					const m = require('mokapi');
 					m.shared.set('bar', undefined);
+					m.shared.set('100', '-');
 					m.shared.keys();
 				`)
 				r.NoError(t, err)
 
-				r.Equal(t, []string{"foo", "bar"}, v.Export())
+				r.Equal(t, []string{"1", "100", "bar", "foo"}, v.Export())
 			},
 		},
 		{