erigon-pulse/p2p/discover/v5_udp_integration_test.go
Alex Sharov 23f23bc971
disable disc tests on Mac (#8822)
TestUDPv4_smallNetConvergence tests are often timeout on mac - disabling
this tests on mac CI
2023-11-23 16:00:42 +07:00

108 lines
2.9 KiB
Go

//go:build integration
package discover
import (
"context"
"net"
"runtime"
"testing"
"time"
"github.com/ledgerwatch/erigon/p2p/discover/v5wire"
"github.com/ledgerwatch/log/v3"
)
// This test checks that pending calls are re-sent when a handshake happens.
func TestUDPv5_callResend(t *testing.T) {
if runtime.GOOS != "linux" {
t.Skip("fix me on win please")
}
t.Parallel()
logger := log.New()
test := newUDPV5Test(t, logger)
t.Cleanup(test.close)
remote := test.getNode(test.remotekey, test.remoteaddr, logger).Node()
done := make(chan error, 2)
go func() {
_, err := test.udp.ping(remote)
done <- err
}()
go func() {
_, err := test.udp.ping(remote)
done <- err
}()
// Ping answered by WHOAREYOU.
test.waitPacketOut(func(p *v5wire.Ping, addr *net.UDPAddr, nonce v5wire.Nonce) {
test.packetIn(&v5wire.Whoareyou{Nonce: nonce}, logger)
})
// Ping should be re-sent.
test.waitPacketOut(func(p *v5wire.Ping, addr *net.UDPAddr, _ v5wire.Nonce) {
test.packetIn(&v5wire.Pong{ReqID: p.ReqID}, logger)
})
// Answer the other ping.
test.waitPacketOut(func(p *v5wire.Ping, addr *net.UDPAddr, _ v5wire.Nonce) {
test.packetIn(&v5wire.Pong{ReqID: p.ReqID}, logger)
})
if err := <-done; err != nil {
t.Fatalf("unexpected ping error: %v", err)
}
if err := <-done; err != nil {
t.Fatalf("unexpected ping error: %v", err)
}
}
// This test checks that calls with n replies may take up to n * respTimeout.
func TestUDPv5_callTimeoutReset(t *testing.T) {
if runtime.GOOS != "linux" {
t.Skip("fix me on win please")
}
t.Parallel()
logger := log.New()
replyTimeout := respTimeoutV5
// This must be significantly lower than replyTimeout to not get "RPC timeout" error.
singleReplyDelay := replyTimeout / (totalNodesResponseLimit - 1)
if singleReplyDelay*totalNodesResponseLimit < replyTimeout {
t.Fatalf("The total delay of all replies must exceed an individual reply timeout.")
}
if replyTimeout-singleReplyDelay < 50*time.Millisecond {
t.Errorf("50ms is sometimes not enough on a slow CI to process a reply.")
}
ctx := context.Background()
ctx = contextWithReplyTimeout(ctx, replyTimeout)
test := newUDPV5TestContext(ctx, t, logger)
t.Cleanup(test.close)
// Launch the request:
var (
distance = uint(230)
remote = test.getNode(test.remotekey, test.remoteaddr, logger).Node()
nodes = nodesAtDistance(remote.ID(), int(distance), totalNodesResponseLimit)
done = make(chan error, 1)
)
go func() {
_, err := test.udp.findnode(remote, []uint{distance})
done <- err
}()
// Serve two responses, slowly.
test.waitPacketOut(func(p *v5wire.Findnode, addr *net.UDPAddr, _ v5wire.Nonce) {
for i := 0; i < totalNodesResponseLimit; i++ {
time.Sleep(singleReplyDelay)
test.packetIn(&v5wire.Nodes{
ReqID: p.ReqID,
Total: totalNodesResponseLimit,
Nodes: nodesToRecords(nodes[i : i+1]),
}, logger)
}
})
if err := <-done; err != nil {
t.Fatalf("unexpected error: %q", err)
}
}