istio.io/istio@v0.0.0-20240520182934-d79c90f27776/pkg/uds/listener_test.go (about)

     1  // Copyright Istio Authors
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package uds
    16  
    17  import (
    18  	"context"
    19  	"net"
    20  	"testing"
    21  
    22  	"google.golang.org/grpc"
    23  	"google.golang.org/grpc/credentials/insecure"
    24  )
    25  
    26  func TestUdsListener(t *testing.T) {
    27  	l, err := NewListener("./etc/istio/proxy/test")
    28  	if err != nil {
    29  		t.Fatalf("unexpected error %v", err)
    30  	}
    31  	defer l.Close()
    32  	conn, err := connect("./etc/istio/proxy/test")
    33  	if err != nil {
    34  		t.Fatalf("failed to connect %v", err)
    35  	}
    36  	conn.Close()
    37  }
    38  
    39  func connect(socket string) (*grpc.ClientConn, error) {
    40  	var opts []grpc.DialOption
    41  
    42  	opts = append(opts, grpc.WithTransportCredentials(insecure.NewCredentials()), grpc.WithContextDialer(func(ctx context.Context, addr string) (net.Conn, error) {
    43  		var d net.Dialer
    44  		return d.DialContext(ctx, "unix", socket)
    45  	}))
    46  
    47  	conn, err := grpc.Dial(socket, opts...)
    48  	if err != nil {
    49  		return nil, err
    50  	}
    51  
    52  	return conn, nil
    53  }