1 files changed, 35 insertions, 0 deletions
diff --git a/internal/authentication/cached_test.go b/internal/authentication/cached_test.go
new file mode 100644
index 000000000..a60fc3b99
--- /dev/null
+++ b/internal/authentication/cached_test.go
@@ -0,0 +1,35 @@
+package authentication
+
+import (
+	"crypto/sha256"
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestNewCredentialCacheHMAC(t *testing.T) {
+	cache := NewCredentialCacheHMAC(sha256.New, time.Second*2)
+
+	require.NoError(t, cache.Put("abc", "123"))
+
+	var valid, found bool
+
+	valid, found = cache.Valid("abc", "123")
+
+	assert.True(t, found)
+	assert.True(t, valid)
+
+	valid, found = cache.Valid("abc", "123")
+
+	assert.True(t, found)
+	assert.True(t, valid)
+
+	time.Sleep(time.Second * 2)
+
+	valid, found = cache.Valid("abc", "123")
+
+	assert.False(t, found)
+	assert.False(t, valid)
+}