forked from quic-go/quic-go
88 lines
2.2 KiB
Go
88 lines
2.2 KiB
Go
package quic
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import (
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"bytes"
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"fmt"
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"net"
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"os"
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"runtime/pprof"
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"strconv"
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"strings"
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"testing"
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"time"
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"git.geeks-team.ru/gr1ffon/quic-go/internal/protocol"
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"git.geeks-team.ru/gr1ffon/quic-go/internal/wire"
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"github.com/stretchr/testify/require"
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)
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// in the tests for the stream deadlines we set a deadline
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// and wait to make an assertion when Read / Write was unblocked
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// on the CIs, the timing is a lot less precise, so scale every duration by this factor
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func scaleDuration(t time.Duration) time.Duration {
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scaleFactor := 1
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if f, err := strconv.Atoi(os.Getenv("TIMESCALE_FACTOR")); err == nil { // parsing "" errors, so this works fine if the env is not set
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scaleFactor = f
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}
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if scaleFactor == 0 {
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panic("TIMESCALE_FACTOR is 0")
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}
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return time.Duration(scaleFactor) * t
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}
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func newUDPConnLocalhost(t testing.TB) *net.UDPConn {
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t.Helper()
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conn, err := net.ListenUDP("udp", &net.UDPAddr{IP: net.IPv4(127, 0, 0, 1), Port: 0})
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require.NoError(t, err)
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t.Cleanup(func() { conn.Close() })
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return conn
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}
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func getPacket(t *testing.T, connID protocol.ConnectionID) []byte {
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return getPacketWithPacketType(t, connID, protocol.PacketTypeHandshake, 2)
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}
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func getPacketWithPacketType(t *testing.T, connID protocol.ConnectionID, typ protocol.PacketType, length protocol.ByteCount) []byte {
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t.Helper()
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b, err := (&wire.ExtendedHeader{
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Header: wire.Header{
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Type: typ,
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DestConnectionID: connID,
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Length: length,
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Version: protocol.Version1,
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},
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PacketNumberLen: protocol.PacketNumberLen2,
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}).Append(nil, protocol.Version1)
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require.NoError(t, err)
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return append(b, bytes.Repeat([]byte{42}, int(length)-2)...)
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}
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func areConnsRunning() bool {
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var b bytes.Buffer
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pprof.Lookup("goroutine").WriteTo(&b, 1)
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return strings.Contains(b.String(), "quic-go.(*connection).run")
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}
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func areTransportsRunning() bool {
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var b bytes.Buffer
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pprof.Lookup("goroutine").WriteTo(&b, 1)
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return strings.Contains(b.String(), "quic-go.(*Transport).listen")
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}
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func TestMain(m *testing.M) {
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status := m.Run()
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if status != 0 {
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os.Exit(status)
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}
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if areConnsRunning() {
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fmt.Println("stray connection goroutines found")
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os.Exit(1)
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}
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if areTransportsRunning() {
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fmt.Println("stray transport goroutines found")
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os.Exit(1)
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}
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os.Exit(status)
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}
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