diff --git a/greataped/components/core/activity_pub_object_manager_test.go b/greataped/components/core/activity_pub_object_manager_test.go
new file mode 100644
index 0000000..4e0fbe7
--- /dev/null
+++ b/greataped/components/core/activity_pub_object_manager_test.go
@@ -0,0 +1,150 @@
+package core_test
+
+import (
+	"testing"
+
+	. "rail.town/infrastructure/components/constants"
+	. "rail.town/infrastructure/components/contracts"
+	. "rail.town/infrastructure/components/core"
+)
+
+func TestActivityPubObjectManager_GetName(test *testing.T) {
+	manager := Conductor.ActivityPubObjectManager()
+
+	if manager.Name() != ACTIVITY_PUB_OBJECT_MANAGER {
+		test.Fail()
+	}
+}
+
+func TestActivityPubObjectManager_ResolveDependencies(test *testing.T) {
+	manager := Conductor.ActivityPubObjectManager()
+
+	if err := manager.ResolveDependencies(); err != nil {
+		test.Fatal(err)
+	}
+}
+
+func TestActivityPubObjectManager_Load(test *testing.T) {
+	manager := Conductor.ActivityPubObjectManager()
+
+	if err := manager.Load(); err != nil {
+		test.Fatal(err)
+	}
+}
+
+func TestActivityPubObjectManager_Reload(test *testing.T) {
+	manager := Conductor.ActivityPubObjectManager()
+
+	if err := manager.Reload(); err != nil && err != ERROR_OPERATION_NOT_SUPPORTED {
+		test.Fatal(err)
+	}
+}
+
+func TestActivityPubObjectManager_Count(test *testing.T) {
+	manager := Conductor.ActivityPubObjectManager()
+
+	_ = manager.Count()
+}
+
+func TestActivityPubObjectManager_Exists(test *testing.T) {
+	manager := Conductor.ActivityPubObjectManager()
+
+	if manager.Exists(0) {
+		test.FailNow()
+	}
+}
+
+func TestActivityPubObjectManager_ListActivityPubObjects(test *testing.T) {
+	manager := Conductor.ActivityPubObjectManager()
+
+	_ = manager.ListActivityPubObjects(0, 0, "", nil)
+}
+
+func TestActivityPubObjectManager_GetActivityPubObject(test *testing.T) {
+	manager := Conductor.ActivityPubObjectManager()
+
+	if activityPubObject, err := manager.GetActivityPubObject(0, nil); err == nil {
+		_ = activityPubObject
+		test.FailNow()
+	}
+}
+
+func TestActivityPubObjectManager_AddActivityPubObject(test *testing.T) {
+	manager := Conductor.ActivityPubObjectManager()
+
+	activityPubObject, err := manager.AddActivityPubObject(nil)
+	if err != nil {
+		test.Fatal(err)
+	}
+
+	_ = activityPubObject
+}
+
+func TestActivityPubObjectManager_UpdateActivityPubObject(test *testing.T) {
+	manager := Conductor.ActivityPubObjectManager()
+
+	activityPubObject, err := manager.UpdateActivityPubObject(0, nil)
+	if err != nil {
+		test.Fatal(err)
+	}
+
+	_ = activityPubObject
+}
+
+func TestActivityPubObjectManager_RemoveActivityPubObject(test *testing.T) {
+	manager := Conductor.ActivityPubObjectManager()
+
+	activityPubObject, err := manager.RemoveActivityPubObject(0, nil)
+	if err != nil {
+		test.Fatal(err)
+	}
+
+	_ = activityPubObject
+}
+
+func TestActivityPubObjectManager_Find(test *testing.T) {
+	manager := Conductor.ActivityPubObjectManager()
+
+	activityPubObject := manager.Find(0)
+	if activityPubObject == nil {
+		test.Fail()
+	}
+
+	_ = activityPubObject
+}
+
+func TestActivityPubObjectManager_ForEach(test *testing.T) {
+	manager := Conductor.ActivityPubObjectManager()
+
+	manager.ForEach(func(activityPubObject IActivityPubObject) {
+		_ = activityPubObject
+	})
+}
+
+func TestActivityPubObjectManager_Filter(test *testing.T) {
+	manager := Conductor.ActivityPubObjectManager()
+
+	activityPubObjects := manager.Filter(func(activityPubObject IActivityPubObject) bool {
+		return false
+	})
+
+	if activityPubObjects.IsNotEmpty() {
+		test.Fail()
+	}
+
+	_ = activityPubObjects
+}
+
+func TestActivityPubObjectManager_Map(test *testing.T) {
+	manager := Conductor.ActivityPubObjectManager()
+
+	activityPubObjects := manager.Map(func(activityPubObject IActivityPubObject) IActivityPubObject {
+		return activityPubObject
+	})
+
+	if activityPubObjects.Count() != manager.Count() {
+		test.Fail()
+	}
+
+	_ = activityPubObjects
+}