1 files changed, 25 insertions, 0 deletions
diff --git a/middleware/cache/item_test.go b/middleware/cache/item_test.go
new file mode 100644
index 000000000..5989b0099
--- /dev/null
+++ b/middleware/cache/item_test.go
@@ -0,0 +1,25 @@
+package cache
+
+import (
+	"testing"
+
+	"github.com/miekg/dns"
+)
+
+func TestKey(t *testing.T) {
+	if noDataKey("miek.nl.", dns.TypeMX, false) != "0miek.nl...15" {
+		t.Errorf("failed to create correct key")
+	}
+	if noDataKey("miek.nl.", dns.TypeMX, true) != "1miek.nl...15" {
+		t.Errorf("failed to create correct key")
+	}
+	if nameErrorKey("miek.nl.", false) != "0miek.nl." {
+		t.Errorf("failed to create correct key")
+	}
+	if nameErrorKey("miek.nl.", true) != "1miek.nl." {
+		t.Errorf("failed to create correct key")
+	}
+	if noDataKey("miek.nl.", dns.TypeMX, false) != successKey("miek.nl.", dns.TypeMX, false) {
+		t.Errorf("nameErrorKey and successKey should be the same")
+	}
+}