优化结构

internal/integration/runtimeconfig/store_test.go

@@ -3,6 +3,7 @@ package runtimeconfig
 import (
 	"encoding/json"
 	"testing"
+	"time"
 )
 
 func TestStoreSetDeleteAndSubscribe(t *testing.T) {
@@ -28,3 +29,37 @@ func TestStoreSetDeleteAndSubscribe(t *testing.T) {
 		t.Fatalf("delete update = %#v", update)
 	}
 }
+
+func TestStoreReplaceSkipsUnchangedValues(t *testing.T) {
+	store := NewStore()
+	updates := make(chan Config, 2)
+	stop := store.Subscribe("mq", "rabbitmq", func(config Config) { updates <- config })
+	defer stop()
+
+	config := Config{Kind: "mq", Provider: "rabbitmq", Enabled: true, Values: json.RawMessage(`{"host":"localhost"}`)}
+	store.Set(config)
+	select {
+	case <-updates:
+	case <-time.After(time.Second):
+		t.Fatal("initial set notification was not delivered")
+	}
+
+	store.Replace([]Config{config})
+	select {
+	case update := <-updates:
+		t.Fatalf("unchanged replace emitted notification: %#v", update)
+	case <-time.After(20 * time.Millisecond):
+	}
+
+	changed := config
+	changed.Values = json.RawMessage(`{"host":"other"}`)
+	store.Replace([]Config{changed})
+	select {
+	case update := <-updates:
+		if string(update.Values) != string(changed.Values) {
+			t.Fatalf("changed replace = %#v", update)
+		}
+	case <-time.After(time.Second):
+		t.Fatal("changed replace notification was not delivered")
+	}
+}