Official Go implementation of the Ethereum protocol
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go-ethereum/cmd/geth/attach_test.go

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2.8 KiB

// Copyright 2022 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 main
import (
"fmt"
"net"
"net/http"
"sync/atomic"
"testing"
)
type testHandler struct {
body func(http.ResponseWriter, *http.Request)
}
func (t *testHandler) ServeHTTP(out http.ResponseWriter, in *http.Request) {
t.body(out, in)
}
// TestAttachWithHeaders tests that 'geth attach' with custom headers works, i.e
// that custom headers are forwarded to the target.
func TestAttachWithHeaders(t *testing.T) {
t.Parallel()
ln, err := net.Listen("tcp", "localhost:0")
if err != nil {
t.Fatal(err)
}
port := ln.Addr().(*net.TCPAddr).Port
testReceiveHeaders(t, ln, "attach", "-H", "first: one", "-H", "second: two", fmt.Sprintf("http://localhost:%d", port))
// This way to do it fails due to flag ordering:
//
// testReceiveHeaders(t, ln, "-H", "first: one", "-H", "second: two", "attach", fmt.Sprintf("http://localhost:%d", port))
// This is fixed in a follow-up PR.
}
// TestRemoteDbWithHeaders tests that 'geth db --remotedb' with custom headers works, i.e
// that custom headers are forwarded to the target.
func TestRemoteDbWithHeaders(t *testing.T) {
t.Parallel()
ln, err := net.Listen("tcp", "localhost:0")
if err != nil {
t.Fatal(err)
}
port := ln.Addr().(*net.TCPAddr).Port
testReceiveHeaders(t, ln, "db", "metadata", "--remotedb", fmt.Sprintf("http://localhost:%d", port), "-H", "first: one", "-H", "second: two")
}
func testReceiveHeaders(t *testing.T, ln net.Listener, gethArgs ...string) {
var ok atomic.Uint32
server := &http.Server{
Addr: "localhost:0",
Handler: &testHandler{func(w http.ResponseWriter, r *http.Request) {
// We expect two headers
if have, want := r.Header.Get("first"), "one"; have != want {
t.Fatalf("missing header, have %v want %v", have, want)
}
if have, want := r.Header.Get("second"), "two"; have != want {
t.Fatalf("missing header, have %v want %v", have, want)
}
ok.Store(1)
}}}
go server.Serve(ln)
defer server.Close()
runGeth(t, gethArgs...).WaitExit()
if ok.Load() != 1 {
t.Fatal("Test fail, expected invocation to succeed")
}
}