github.com/NebulousLabs/Sia@v1.3.7/modules/gateway/ip_test.go (about)

     1  package gateway
     2  
     3  import (
     4  	"fmt"
     5  	"testing"
     6  
     7  	"github.com/NebulousLabs/Sia/encoding"
     8  	"github.com/NebulousLabs/Sia/modules"
     9  )
    10  
    11  // TestIpRPC tests the ip discovery RPC.
    12  func TestIpRPC(t *testing.T) {
    13  	if testing.Short() {
    14  		t.SkipNow()
    15  	}
    16  	t.Parallel()
    17  
    18  	// Create gateways for testing.
    19  	g1 := newNamedTestingGateway(t, "1")
    20  	defer g1.Close()
    21  	g2 := newNamedTestingGateway(t, "2")
    22  	defer g2.Close()
    23  
    24  	// Connect gateways.
    25  	err := g1.Connect(g2.Address())
    26  	if err != nil {
    27  		t.Fatal(err)
    28  	}
    29  
    30  	// Call RPC
    31  	err = g1.RPC(g2.Address(), "DiscoverIP", func(conn modules.PeerConn) error {
    32  		var address string
    33  		err := encoding.ReadObject(conn, &address, 100)
    34  		if err != nil {
    35  			t.Error("failed to read object from response", err)
    36  		}
    37  		if address != g1.Address().Host() {
    38  			return fmt.Errorf("ip addresses don't match %v != %v", g1.Address().Host(), address)
    39  		}
    40  		return nil
    41  	})
    42  	if err != nil {
    43  		t.Fatal("RPC failed", err)
    44  	}
    45  }
    46  
    47  // TestIpFromPeers test the functionality of managedIPFromPeers.
    48  func TestIPFromPeers(t *testing.T) {
    49  	if testing.Short() {
    50  		t.SkipNow()
    51  	}
    52  	t.Parallel()
    53  
    54  	// Create gateways for testing.
    55  	g1 := newNamedTestingGateway(t, "1")
    56  	defer g1.Close()
    57  	g2 := newNamedTestingGateway(t, "2")
    58  	defer g2.Close()
    59  	g3 := newNamedTestingGateway(t, "3")
    60  	defer g2.Close()
    61  
    62  	// Connect gateways.
    63  	err := g1.Connect(g2.Address())
    64  	if err != nil {
    65  		t.Fatal(err)
    66  	}
    67  	err = g1.Connect(g3.Address())
    68  	if err != nil {
    69  		t.Fatal(err)
    70  	}
    71  
    72  	// Discover ip using the peers
    73  	host, err := g1.managedIPFromPeers()
    74  	if err != nil {
    75  		t.Fatal("failed to get ip", err)
    76  	}
    77  	if host != g1.Address().Host() {
    78  		t.Fatalf("ip should be %v but was %v", g1.Address().Host(), host)
    79  	}
    80  }