diff options
Diffstat (limited to 'dhcpv6/server6/server_test.go')
-rw-r--r-- | dhcpv6/server6/server_test.go | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/dhcpv6/server6/server_test.go b/dhcpv6/server6/server_test.go new file mode 100644 index 0000000..2365b96 --- /dev/null +++ b/dhcpv6/server6/server_test.go @@ -0,0 +1,79 @@ +package server6 + +import ( + "log" + "net" + "testing" + "time" + + "github.com/insomniacslk/dhcp/dhcpv6" + "github.com/insomniacslk/dhcp/dhcpv6/client6" + "github.com/insomniacslk/dhcp/interfaces" + "github.com/stretchr/testify/require" +) + +// utility function to set up a client and a server instance and run it in +// background. The caller needs to call Server.Close() once finished. +func setUpClientAndServer(handler Handler) (*client6.Client, *Server) { + laddr := net.UDPAddr{ + IP: net.ParseIP("::1"), + Port: 0, + } + s := NewServer(laddr, handler) + go s.ActivateAndServe() + + c := client6.NewClient() + c.LocalAddr = &net.UDPAddr{ + IP: net.ParseIP("::1"), + } + for { + if s.LocalAddr() != nil { + break + } + time.Sleep(10 * time.Millisecond) + log.Printf("Waiting for server to run...") + } + c.RemoteAddr = &net.UDPAddr{ + IP: net.ParseIP("::1"), + Port: s.LocalAddr().(*net.UDPAddr).Port, + } + + return c, s +} + +func TestNewServer(t *testing.T) { + laddr := net.UDPAddr{ + IP: net.ParseIP("::1"), + Port: 0, + } + handler := func(conn net.PacketConn, peer net.Addr, m dhcpv6.DHCPv6) {} + s := NewServer(laddr, handler) + defer s.Close() + + require.NotNil(t, s) + require.Nil(t, s.conn) + require.Equal(t, laddr, s.localAddr) + require.NotNil(t, s.Handler) +} + +func TestServerActivateAndServe(t *testing.T) { + handler := func(conn net.PacketConn, peer net.Addr, m dhcpv6.DHCPv6) { + adv, err := dhcpv6.NewAdvertiseFromSolicit(m) + if err != nil { + log.Printf("NewAdvertiseFromSolicit failed: %v", err) + return + } + if _, err := conn.WriteTo(adv.ToBytes(), peer); err != nil { + log.Printf("Cannot reply to client: %v", err) + } + } + c, s := setUpClientAndServer(handler) + defer s.Close() + + ifaces, err := interfaces.GetLoopbackInterfaces() + require.NoError(t, err) + require.NotEqual(t, 0, len(ifaces)) + + _, _, err = c.Solicit(ifaces[0].Name) + require.NoError(t, err) +} |