Adds a delay test.

consul/state/delay_test.go

@@ -0,0 +1,29 @@
+package state
+
+import (
+	"testing"
+	"time"
+)
+
+func TestDelay(t *testing.T) {
+	d := NewDelay()
+
+	// An unknown key should have a time in the past.
+	if exp := d.GetExpiration("nope"); !exp.Before(time.Now()) {
+		t.Fatalf("bad: %v", exp)
+	}
+
+	// Add a key and set a short expiration.
+	now := time.Now()
+	delay := 250 * time.Millisecond
+	d.SetExpiration("bye", now, delay)
+	if exp := d.GetExpiration("bye"); !exp.After(now) {
+		t.Fatalf("bad: %v", exp)
+	}
+
+	// Wait for the key to expire and check again.
+	time.Sleep(2 * delay)
+	if exp := d.GetExpiration("bye"); !exp.Before(now) {
+		t.Fatalf("bad: %v", exp)
+	}
+}