🎨 Optimize hotkey service

internal/common/hotkey/hotkey_test.go

@@ -0,0 +1,19 @@
+// Copyright 2021 The golang.design Initiative Authors.
+// All rights reserved. Use of this source code is governed
+// by a MIT license that can be found in the LICENSE file.
+//
+// Written by Changkun Ou <changkun.de>
+
+package hotkey_test
+
+import (
+	"os"
+	"testing"
+	"voidraft/internal/common/hotkey/mainthread"
+)
+
+// The test cannot be run twice since the mainthread loop may not be terminated:
+// go test -v -count=1
+func TestMain(m *testing.M) {
+	mainthread.Init(func() { os.Exit(m.Run()) })
+}