snapshot of https://github.com/grpc/grpc-go.git (master, 2026-09-15; blobs > 131072B omitted)

credentials/google/xds_test.go

@@ -0,0 +1,60 @@
+/*
+ *
+ * Copyright 2021 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+package google
+
+import (
+	"context"
+	"testing"
+
+	"google.golang.org/grpc/credentials"
+	icredentials "google.golang.org/grpc/internal/credentials"
+	"google.golang.org/grpc/internal/xds"
+	"google.golang.org/grpc/resolver"
+)
+
+func (s) TestIsDirectPathCluster(t *testing.T) {
+	ctx, cancel := context.WithTimeout(context.Background(), defaultTestTimeout)
+	defer cancel()
+	c := func(cluster string) context.Context {
+		return icredentials.NewClientHandshakeInfoContext(ctx, credentials.ClientHandshakeInfo{
+			Attributes: xds.SetXDSHandshakeClusterName(resolver.Address{}, cluster).Attributes,
+		})
+	}
+
+	testCases := []struct {
+		name string
+		ctx  context.Context
+		want bool
+	}{
+		{"not an xDS cluster", ctx, false},
+		{"cfe", c("google_cfe_bigtable.googleapis.com"), false},
+		{"non-cfe", c("google_bigtable.googleapis.com"), true},
+		{"starts with xdstp but not cfe format", c("xdstp:google_cfe_bigtable.googleapis.com"), true},
+		{"no authority", c("xdstp:///envoy.config.cluster.v3.Cluster/google_cfe_"), true},
+		{"wrong authority", c("xdstp://foo.bar/envoy.config.cluster.v3.Cluster/google_cfe_"), true},
+		{"xdstp CFE", c("xdstp://traffic-director-c2p.xds.googleapis.com/envoy.config.cluster.v3.Cluster/google_cfe_"), false},
+	}
+	for _, tc := range testCases {
+		t.Run(tc.name, func(t *testing.T) {
+			if got := isDirectPathCluster(tc.ctx); got != tc.want {
+				t.Errorf("isDirectPathCluster(_) = %v; want %v", got, tc.want)
+			}
+		})
+	}
+}