modify tests for new cert bundle and comments

Author: porthorian

internal/mode/static/state/dataplane/configuration_test.go

@@ -680,6 +680,14 @@ func TestBuildConfiguration(t *testing.T) {
 				apiv1.TLSPrivateKeyKey: []byte("privateKey-1"),
 			},
 		},
+		CertBundle: graph.NewCertificateBundle(
+			secret1NsName,
+			"Secret",
+			&graph.Certificate{
+				TLSCert:       []byte("cert-1"),
+				TLSPrivateKey: []byte("privateKey-1"),
+			},
+		),
 	}
 
 	secret2NsName := types.NamespacedName{Namespace: "test", Name: "secret-2"}
@@ -694,6 +702,14 @@ func TestBuildConfiguration(t *testing.T) {
 				apiv1.TLSPrivateKeyKey: []byte("privateKey-2"),
 			},
 		},
+		CertBundle: graph.NewCertificateBundle(
+			secret2NsName,
+			"Secret",
+			&graph.Certificate{
+				TLSCert:       []byte("cert-2"),
+				TLSPrivateKey: []byte("privateKey-2"),
+			},
+		),
 	}
 
 	listener80 := v1.Listener{

internal/mode/static/state/graph/certificate_bundle.go

@@ -43,7 +43,7 @@ func NewCertificateBundle(name types.NamespacedName, kind string, cert *Certific
 	}
 }
 
-// validateTLS ...
+// validateTLS checks to make sure a ssl certificate key pair is valid
 func validateTLS(tlsCert, tlsPrivateKey []byte) error {
 	_, err := tls.X509KeyPair(tlsCert, tlsPrivateKey)
 	if err != nil {