Properly handle different attachment use cases

server/util_test.go

@@ -0,0 +1,19 @@
+package server
+
+import (
+	"github.com/stretchr/testify/require"
+	"testing"
+)
+
+func TestMaybePeakAttachmentURL_Success(t *testing.T) {
+	m := &message{
+		Attachment: &attachment{
+			URL: "https://ntfy.sh/static/img/ntfy.png",
+		},
+	}
+	require.Nil(t, maybePeakAttachmentURL(m))
+	require.Equal(t, "ntfy.png", m.Attachment.Name)
+	require.Equal(t, int64(3627), m.Attachment.Size)
+	require.Equal(t, "image/png", m.Attachment.Type)
+	require.Equal(t, int64(0), m.Attachment.Expires)
+}