mirror of https://github.com/ethereum/go-ethereum
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
352 lines
9.3 KiB
352 lines
9.3 KiB
// Copyright 2020 The go-ethereum Authors
|
|
// This file is part of the go-ethereum library.
|
|
//
|
|
// The go-ethereum library is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Lesser General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// The go-ethereum library is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU Lesser General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Lesser General Public License
|
|
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
package node
|
|
|
|
import (
|
|
"bytes"
|
|
"io"
|
|
"net"
|
|
"net/http"
|
|
"net/url"
|
|
"strings"
|
|
"testing"
|
|
|
|
"github.com/ethereum/go-ethereum/rpc"
|
|
"github.com/stretchr/testify/assert"
|
|
)
|
|
|
|
// This test uses the admin_startRPC and admin_startWS APIs,
|
|
// checking whether the HTTP server is started correctly.
|
|
func TestStartRPC(t *testing.T) {
|
|
type test struct {
|
|
name string
|
|
cfg Config
|
|
fn func(*testing.T, *Node, *privateAdminAPI)
|
|
|
|
// Checks. These run after the node is configured and all API calls have been made.
|
|
wantReachable bool // whether the HTTP server should be reachable at all
|
|
wantHandlers bool // whether RegisterHandler handlers should be accessible
|
|
wantRPC bool // whether JSON-RPC/HTTP should be accessible
|
|
wantWS bool // whether JSON-RPC/WS should be accessible
|
|
}
|
|
|
|
tests := []test{
|
|
{
|
|
name: "all off",
|
|
cfg: Config{},
|
|
fn: func(t *testing.T, n *Node, api *privateAdminAPI) {
|
|
},
|
|
wantReachable: false,
|
|
wantHandlers: false,
|
|
wantRPC: false,
|
|
wantWS: false,
|
|
},
|
|
{
|
|
name: "rpc enabled through config",
|
|
cfg: Config{HTTPHost: "127.0.0.1"},
|
|
fn: func(t *testing.T, n *Node, api *privateAdminAPI) {
|
|
},
|
|
wantReachable: true,
|
|
wantHandlers: true,
|
|
wantRPC: true,
|
|
wantWS: false,
|
|
},
|
|
{
|
|
name: "rpc enabled through API",
|
|
cfg: Config{},
|
|
fn: func(t *testing.T, n *Node, api *privateAdminAPI) {
|
|
_, err := api.StartRPC(sp("127.0.0.1"), ip(0), nil, nil, nil)
|
|
assert.NoError(t, err)
|
|
},
|
|
wantReachable: true,
|
|
wantHandlers: true,
|
|
wantRPC: true,
|
|
wantWS: false,
|
|
},
|
|
{
|
|
name: "rpc start again after failure",
|
|
cfg: Config{},
|
|
fn: func(t *testing.T, n *Node, api *privateAdminAPI) {
|
|
// Listen on a random port.
|
|
listener, err := net.Listen("tcp", "127.0.0.1:0")
|
|
if err != nil {
|
|
t.Fatal("can't listen:", err)
|
|
}
|
|
defer listener.Close()
|
|
port := listener.Addr().(*net.TCPAddr).Port
|
|
|
|
// Now try to start RPC on that port. This should fail.
|
|
_, err = api.StartRPC(sp("127.0.0.1"), ip(port), nil, nil, nil)
|
|
if err == nil {
|
|
t.Fatal("StartRPC should have failed on port", port)
|
|
}
|
|
|
|
// Try again after unblocking the port. It should work this time.
|
|
listener.Close()
|
|
_, err = api.StartRPC(sp("127.0.0.1"), ip(port), nil, nil, nil)
|
|
assert.NoError(t, err)
|
|
},
|
|
wantReachable: true,
|
|
wantHandlers: true,
|
|
wantRPC: true,
|
|
wantWS: false,
|
|
},
|
|
{
|
|
name: "rpc stopped through API",
|
|
cfg: Config{HTTPHost: "127.0.0.1"},
|
|
fn: func(t *testing.T, n *Node, api *privateAdminAPI) {
|
|
_, err := api.StopRPC()
|
|
assert.NoError(t, err)
|
|
},
|
|
wantReachable: false,
|
|
wantHandlers: false,
|
|
wantRPC: false,
|
|
wantWS: false,
|
|
},
|
|
{
|
|
name: "rpc stopped twice",
|
|
cfg: Config{HTTPHost: "127.0.0.1"},
|
|
fn: func(t *testing.T, n *Node, api *privateAdminAPI) {
|
|
_, err := api.StopRPC()
|
|
assert.NoError(t, err)
|
|
|
|
_, err = api.StopRPC()
|
|
assert.NoError(t, err)
|
|
},
|
|
wantReachable: false,
|
|
wantHandlers: false,
|
|
wantRPC: false,
|
|
wantWS: false,
|
|
},
|
|
{
|
|
name: "ws enabled through config",
|
|
cfg: Config{WSHost: "127.0.0.1"},
|
|
wantReachable: true,
|
|
wantHandlers: false,
|
|
wantRPC: false,
|
|
wantWS: true,
|
|
},
|
|
{
|
|
name: "ws enabled through API",
|
|
cfg: Config{},
|
|
fn: func(t *testing.T, n *Node, api *privateAdminAPI) {
|
|
_, err := api.StartWS(sp("127.0.0.1"), ip(0), nil, nil)
|
|
assert.NoError(t, err)
|
|
},
|
|
wantReachable: true,
|
|
wantHandlers: false,
|
|
wantRPC: false,
|
|
wantWS: true,
|
|
},
|
|
{
|
|
name: "ws stopped through API",
|
|
cfg: Config{WSHost: "127.0.0.1"},
|
|
fn: func(t *testing.T, n *Node, api *privateAdminAPI) {
|
|
_, err := api.StopWS()
|
|
assert.NoError(t, err)
|
|
},
|
|
wantReachable: false,
|
|
wantHandlers: false,
|
|
wantRPC: false,
|
|
wantWS: false,
|
|
},
|
|
{
|
|
name: "ws stopped twice",
|
|
cfg: Config{WSHost: "127.0.0.1"},
|
|
fn: func(t *testing.T, n *Node, api *privateAdminAPI) {
|
|
_, err := api.StopWS()
|
|
assert.NoError(t, err)
|
|
|
|
_, err = api.StopWS()
|
|
assert.NoError(t, err)
|
|
},
|
|
wantReachable: false,
|
|
wantHandlers: false,
|
|
wantRPC: false,
|
|
wantWS: false,
|
|
},
|
|
{
|
|
name: "ws enabled after RPC",
|
|
cfg: Config{HTTPHost: "127.0.0.1"},
|
|
fn: func(t *testing.T, n *Node, api *privateAdminAPI) {
|
|
wsport := n.http.port
|
|
_, err := api.StartWS(sp("127.0.0.1"), ip(wsport), nil, nil)
|
|
assert.NoError(t, err)
|
|
},
|
|
wantReachable: true,
|
|
wantHandlers: true,
|
|
wantRPC: true,
|
|
wantWS: true,
|
|
},
|
|
{
|
|
name: "ws enabled after RPC then stopped",
|
|
cfg: Config{HTTPHost: "127.0.0.1"},
|
|
fn: func(t *testing.T, n *Node, api *privateAdminAPI) {
|
|
wsport := n.http.port
|
|
_, err := api.StartWS(sp("127.0.0.1"), ip(wsport), nil, nil)
|
|
assert.NoError(t, err)
|
|
|
|
_, err = api.StopWS()
|
|
assert.NoError(t, err)
|
|
},
|
|
wantReachable: true,
|
|
wantHandlers: true,
|
|
wantRPC: true,
|
|
wantWS: false,
|
|
},
|
|
{
|
|
name: "rpc stopped with ws enabled",
|
|
fn: func(t *testing.T, n *Node, api *privateAdminAPI) {
|
|
_, err := api.StartRPC(sp("127.0.0.1"), ip(0), nil, nil, nil)
|
|
assert.NoError(t, err)
|
|
|
|
wsport := n.http.port
|
|
_, err = api.StartWS(sp("127.0.0.1"), ip(wsport), nil, nil)
|
|
assert.NoError(t, err)
|
|
|
|
_, err = api.StopRPC()
|
|
assert.NoError(t, err)
|
|
},
|
|
wantReachable: false,
|
|
wantHandlers: false,
|
|
wantRPC: false,
|
|
wantWS: false,
|
|
},
|
|
{
|
|
name: "rpc enabled after ws",
|
|
fn: func(t *testing.T, n *Node, api *privateAdminAPI) {
|
|
_, err := api.StartWS(sp("127.0.0.1"), ip(0), nil, nil)
|
|
assert.NoError(t, err)
|
|
|
|
wsport := n.http.port
|
|
_, err = api.StartRPC(sp("127.0.0.1"), ip(wsport), nil, nil, nil)
|
|
assert.NoError(t, err)
|
|
},
|
|
wantReachable: true,
|
|
wantHandlers: true,
|
|
wantRPC: true,
|
|
wantWS: true,
|
|
},
|
|
}
|
|
|
|
for _, test := range tests {
|
|
test := test
|
|
t.Run(test.name, func(t *testing.T) {
|
|
t.Parallel()
|
|
|
|
// Apply some sane defaults.
|
|
config := test.cfg
|
|
// config.Logger = testlog.Logger(t, log.LvlDebug)
|
|
config.P2P.NoDiscovery = true
|
|
|
|
// Create Node.
|
|
stack, err := New(&config)
|
|
if err != nil {
|
|
t.Fatal("can't create node:", err)
|
|
}
|
|
defer stack.Close()
|
|
|
|
// Register the test handler.
|
|
stack.RegisterHandler("test", "/test", http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
|
w.Write([]byte("OK"))
|
|
}))
|
|
|
|
if err := stack.Start(); err != nil {
|
|
t.Fatal("can't start node:", err)
|
|
}
|
|
|
|
// Run the API call hook.
|
|
if test.fn != nil {
|
|
test.fn(t, stack, &privateAdminAPI{stack})
|
|
}
|
|
|
|
// Check if the HTTP endpoints are available.
|
|
baseURL := stack.HTTPEndpoint()
|
|
reachable := checkReachable(baseURL)
|
|
handlersAvailable := checkBodyOK(baseURL + "/test")
|
|
rpcAvailable := checkRPC(baseURL)
|
|
wsAvailable := checkRPC(strings.Replace(baseURL, "http://", "ws://", 1))
|
|
if reachable != test.wantReachable {
|
|
t.Errorf("HTTP server is %sreachable, want it %sreachable", not(reachable), not(test.wantReachable))
|
|
}
|
|
if handlersAvailable != test.wantHandlers {
|
|
t.Errorf("RegisterHandler handlers %savailable, want them %savailable", not(handlersAvailable), not(test.wantHandlers))
|
|
}
|
|
if rpcAvailable != test.wantRPC {
|
|
t.Errorf("HTTP RPC %savailable, want it %savailable", not(rpcAvailable), not(test.wantRPC))
|
|
}
|
|
if wsAvailable != test.wantWS {
|
|
t.Errorf("WS RPC %savailable, want it %savailable", not(wsAvailable), not(test.wantWS))
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
// checkReachable checks if the TCP endpoint in rawurl is open.
|
|
func checkReachable(rawurl string) bool {
|
|
u, err := url.Parse(rawurl)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
conn, err := net.Dial("tcp", u.Host)
|
|
if err != nil {
|
|
return false
|
|
}
|
|
conn.Close()
|
|
return true
|
|
}
|
|
|
|
// checkBodyOK checks whether the given HTTP URL responds with 200 OK and body "OK".
|
|
func checkBodyOK(url string) bool {
|
|
resp, err := http.Get(url)
|
|
if err != nil {
|
|
return false
|
|
}
|
|
defer resp.Body.Close()
|
|
|
|
if resp.StatusCode != 200 {
|
|
return false
|
|
}
|
|
buf := make([]byte, 2)
|
|
if _, err = io.ReadFull(resp.Body, buf); err != nil {
|
|
return false
|
|
}
|
|
return bytes.Equal(buf, []byte("OK"))
|
|
}
|
|
|
|
// checkRPC checks whether JSON-RPC works against the given URL.
|
|
func checkRPC(url string) bool {
|
|
c, err := rpc.Dial(url)
|
|
if err != nil {
|
|
return false
|
|
}
|
|
defer c.Close()
|
|
|
|
_, err = c.SupportedModules()
|
|
return err == nil
|
|
}
|
|
|
|
// string/int pointer helpers.
|
|
func sp(s string) *string { return &s }
|
|
func ip(i int) *int { return &i }
|
|
|
|
func not(ok bool) string {
|
|
if ok {
|
|
return ""
|
|
}
|
|
return "not "
|
|
}
|
|
|