add a noop registry

registry/noop/noop.go

@@ -0,0 +1,41 @@
+// Package noop is a registry which does nothing
+package noop
+
+import (
+	"errors"
+
+	"github.com/micro/go-micro/v3/registry"
+)
+
+type noopRegistry struct{}
+
+func (n *noopRegistry) Init(o ...registry.Option) error {
+	return nil
+}
+
+func (n *noopRegistry) Options() registry.Options {
+	return registry.Options{}
+}
+
+func (n *noopRegistry) Register(*registry.Service, ...registry.RegisterOption) error {
+	return nil
+}
+
+func (n *noopRegistry) Deregister(*registry.Service, ...registry.DeregisterOption) error {
+	return nil
+}
+
+func (n *noopRegistry) GetService(s string, o ...registry.GetOption) ([]*registry.Service, error) {
+	return []*registry.Service{}, nil
+}
+
+func (n *noopRegistry) ListServices(...registry.ListOption) ([]*registry.Service, error) {
+	return []*registry.Service{}, nil
+}
+func (n *noopRegistry) Watch(...registry.WatchOption) (registry.Watcher, error) {
+	return nil, errors.New("not implemented")
+}
+
+func (n *noopRegistry) String() string {
+	return "noop"
+}