feat: use mongodb official driver instead of mgo (#1782)

* wip: backup

* wip: backup

* wip: backup

* backup

* backup

* backup

* add more tests

* fix wrong dependency

* fix lint errors

* remove test due to data race

* add tests

* fix test error

* add mon.Model

* add mon.Model unmarshal

* add monc

* add more tests for monc

* add more tests for monc

* add docs for mon and monc packages

* fix doc errors

* chhore: add comment

* chore: fix test bug

* chore: refine tests

* chore: remove primitive.NewObjectID in test code

* chore: rename test files for typo

core/syncx/resourcemanager.go

@@ -68,3 +68,10 @@ func (manager *ResourceManager) GetResource(key string, create func() (io.Closer
 
 	return val.(io.Closer), nil
 }
+
+// Inject injects the resource associated with given key.
+func (manager *ResourceManager) Inject(key string, resource io.Closer) {
+	manager.lock.Lock()
+	manager.resources[key] = resource
+	manager.lock.Unlock()
+}

core/syncx/resourcemanager_test.go

@@ -47,6 +47,8 @@ func TestResourceManager_GetResourceError(t *testing.T) {
 
 func TestResourceManager_Close(t *testing.T) {
 	manager := NewResourceManager()
+	defer manager.Close()
+
 	for i := 0; i < 10; i++ {
 		_, err := manager.GetResource("key", func() (io.Closer, error) {
 			return nil, errors.New("fail")
@@ -61,6 +63,8 @@ func TestResourceManager_Close(t *testing.T) {
 
 func TestResourceManager_UseAfterClose(t *testing.T) {
 	manager := NewResourceManager()
+	defer manager.Close()
+
 	_, err := manager.GetResource("key", func() (io.Closer, error) {
 		return nil, errors.New("fail")
 	})
@@ -72,3 +76,18 @@ func TestResourceManager_UseAfterClose(t *testing.T) {
 		assert.NotNil(t, err)
 	}
 }
+
+func TestResourceManager_Inject(t *testing.T) {
+	manager := NewResourceManager()
+	defer manager.Close()
+
+	manager.Inject("key", &dummyResource{
+		age: 10,
+	})
+
+	val, err := manager.GetResource("key", func() (io.Closer, error) {
+		return nil, nil
+	})
+	assert.Nil(t, err)
+	assert.Equal(t, 10, val.(*dummyResource).age)
+}