1 files changed, 24 insertions, 0 deletions
diff --git a/services/auth/source/smtp/assert_interface_test.go b/services/auth/source/smtp/assert_interface_test.go
new file mode 100644
index 0000000..6c9cde6
--- /dev/null
+++ b/services/auth/source/smtp/assert_interface_test.go
@@ -0,0 +1,24 @@
+// Copyright 2021 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package smtp_test
+
+import (
+	auth_model "code.gitea.io/gitea/models/auth"
+	"code.gitea.io/gitea/services/auth"
+	"code.gitea.io/gitea/services/auth/source/smtp"
+)
+
+// This test file exists to assert that our Source exposes the interfaces that we expect
+// It tightly binds the interfaces and implementation without breaking go import cycles
+
+type sourceInterface interface {
+	auth.PasswordAuthenticator
+	auth_model.Config
+	auth_model.SkipVerifiable
+	auth_model.HasTLSer
+	auth_model.UseTLSer
+	auth_model.SourceSettable
+}
+
+var _ (sourceInterface) = &smtp.Source{}