github.com/ryanslade/nomad@v0.2.4-0.20160128061903-fc95782f2089/nomad/rpc_test.go (about)

     1  package nomad
     2  
     3  import (
     4  	"net"
     5  	"net/rpc"
     6  	"testing"
     7  	"time"
     8  
     9  	"github.com/hashicorp/nomad/testutil"
    10  )
    11  
    12  // rpcClient is a test helper method to return a ClientCodec to use to make rpc
    13  // calls to the passed server.
    14  func rpcClient(t *testing.T, s *Server) rpc.ClientCodec {
    15  	addr := s.config.RPCAddr
    16  	conn, err := net.DialTimeout("tcp", addr.String(), time.Second)
    17  	if err != nil {
    18  		t.Fatalf("err: %v", err)
    19  	}
    20  	// Write the Consul RPC byte to set the mode
    21  	conn.Write([]byte{byte(rpcNomad)})
    22  	return NewClientCodec(conn)
    23  }
    24  
    25  func TestRPC_forwardLeader(t *testing.T) {
    26  	s1 := testServer(t, nil)
    27  	defer s1.Shutdown()
    28  	s2 := testServer(t, func(c *Config) {
    29  		c.DevDisableBootstrap = true
    30  	})
    31  	defer s2.Shutdown()
    32  	testJoin(t, s1, s2)
    33  	testutil.WaitForLeader(t, s1.RPC)
    34  	testutil.WaitForLeader(t, s2.RPC)
    35  
    36  	var out struct{}
    37  	err := s1.forwardLeader("Status.Ping", struct{}{}, &out)
    38  	if err != nil {
    39  		t.Fatalf("err: %v", err)
    40  	}
    41  
    42  	err = s2.forwardLeader("Status.Ping", struct{}{}, &out)
    43  	if err != nil {
    44  		t.Fatalf("err: %v", err)
    45  	}
    46  }
    47  
    48  func TestRPC_forwardRegion(t *testing.T) {
    49  	s1 := testServer(t, nil)
    50  	defer s1.Shutdown()
    51  	s2 := testServer(t, func(c *Config) {
    52  		c.Region = "region2"
    53  	})
    54  	defer s2.Shutdown()
    55  	testJoin(t, s1, s2)
    56  	testutil.WaitForLeader(t, s1.RPC)
    57  	testutil.WaitForLeader(t, s2.RPC)
    58  
    59  	var out struct{}
    60  	err := s1.forwardRegion("region2", "Status.Ping", struct{}{}, &out)
    61  	if err != nil {
    62  		t.Fatalf("err: %v", err)
    63  	}
    64  
    65  	err = s2.forwardRegion("global", "Status.Ping", struct{}{}, &out)
    66  	if err != nil {
    67  		t.Fatalf("err: %v", err)
    68  	}
    69  }