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

clientconn_authority_test.go

@@ -0,0 +1,135 @@
+/*
+ *
+ * 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 grpc
+
+import (
+	"context"
+	"net"
+	"testing"
+
+	"google.golang.org/grpc/credentials"
+	"google.golang.org/grpc/credentials/insecure"
+	"google.golang.org/grpc/testdata"
+)
+
+func (s) TestClientConnAuthority(t *testing.T) {
+	serverNameOverride := "over.write.server.name"
+	creds, err := credentials.NewClientTLSFromFile(testdata.Path("x509/server_ca_cert.pem"), serverNameOverride)
+	if err != nil {
+		t.Fatalf("credentials.NewClientTLSFromFile(_, %q) failed: %v", err, serverNameOverride)
+	}
+
+	tests := []struct {
+		name          string
+		target        string
+		opts          []DialOption
+		wantAuthority string
+	}{
+		{
+			name:          "default",
+			target:        "Non-Existent.Server:8080",
+			opts:          []DialOption{WithTransportCredentials(insecure.NewCredentials())},
+			wantAuthority: "Non-Existent.Server:8080",
+		},
+		{
+			name:          "override-via-creds",
+			target:        "Non-Existent.Server:8080",
+			opts:          []DialOption{WithTransportCredentials(creds)},
+			wantAuthority: serverNameOverride,
+		},
+		{
+			name:          "override-via-WithAuthority",
+			target:        "Non-Existent.Server:8080",
+			opts:          []DialOption{WithTransportCredentials(insecure.NewCredentials()), WithAuthority("authority-override")},
+			wantAuthority: "authority-override",
+		},
+		{
+			name:          "override-via-creds-and-WithAuthority",
+			target:        "Non-Existent.Server:8080",
+			opts:          []DialOption{WithTransportCredentials(creds), WithAuthority(serverNameOverride)},
+			wantAuthority: serverNameOverride,
+		},
+		{
+			name:          "unix relative",
+			target:        "unix:sock.sock",
+			opts:          []DialOption{WithTransportCredentials(insecure.NewCredentials())},
+			wantAuthority: "localhost",
+		},
+		{
+			name:   "unix relative with custom dialer",
+			target: "unix:sock.sock",
+			opts: []DialOption{WithTransportCredentials(insecure.NewCredentials()), WithContextDialer(func(ctx context.Context, addr string) (net.Conn, error) {
+				return (&net.Dialer{}).DialContext(ctx, "", addr)
+			})},
+			wantAuthority: "localhost",
+		},
+		{
+			name:          "unix absolute",
+			target:        "unix:/sock.sock",
+			opts:          []DialOption{WithTransportCredentials(insecure.NewCredentials())},
+			wantAuthority: "localhost",
+		},
+		{
+			name:   "unix absolute with custom dialer",
+			target: "unix:///sock.sock",
+			opts: []DialOption{WithTransportCredentials(insecure.NewCredentials()), WithContextDialer(func(ctx context.Context, addr string) (net.Conn, error) {
+				return (&net.Dialer{}).DialContext(ctx, "", addr)
+			})},
+			wantAuthority: "localhost",
+		},
+		{
+			name:          "localhost colon port",
+			target:        "localhost:50051",
+			opts:          []DialOption{WithTransportCredentials(insecure.NewCredentials())},
+			wantAuthority: "localhost:50051",
+		},
+		{
+			name:          "colon port",
+			target:        ":50051",
+			opts:          []DialOption{WithTransportCredentials(insecure.NewCredentials())},
+			wantAuthority: "localhost:50051",
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			cc, err := NewClient(test.target, test.opts...)
+			if err != nil {
+				t.Fatalf("NewClient(%q) failed: %v", test.target, err)
+			}
+			defer cc.Close()
+			if cc.authority != test.wantAuthority {
+				t.Fatalf("cc.authority = %q, want %q", cc.authority, test.wantAuthority)
+			}
+		})
+	}
+}
+
+func (s) TestClientConnAuthority_CredsAndDialOptionMismatch(t *testing.T) {
+	serverNameOverride := "over.write.server.name"
+	creds, err := credentials.NewClientTLSFromFile(testdata.Path("x509/server_ca_cert.pem"), serverNameOverride)
+	if err != nil {
+		t.Fatalf("credentials.NewClientTLSFromFile(_, %q) failed: %v", err, serverNameOverride)
+	}
+	opts := []DialOption{WithTransportCredentials(creds), WithAuthority("authority-override")}
+	if cc, err := NewClient("Non-Existent.Server:8000", opts...); err == nil {
+		cc.Close()
+		t.Fatal("NewClient() succeeded when expected to fail")
+	}
+}