Files
quic-go/integrationtests/self/self_suite_test.go
2019-11-30 19:58:30 +07:00

133 lines
2.6 KiB
Go

package self_test
import (
"bytes"
"crypto/tls"
"flag"
"log"
"math/rand"
"os"
"sync"
"testing"
"github.com/lucas-clemente/quic-go/internal/testdata"
"github.com/lucas-clemente/quic-go/internal/utils"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
)
const alpn = "quic-go integration tests"
func getTLSConfig() *tls.Config {
conf := testdata.GetTLSConfig()
conf.NextProtos = []string{alpn}
return conf
}
func getTLSClientConfig() *tls.Config {
return &tls.Config{
RootCAs: testdata.GetRootCA(),
NextProtos: []string{alpn},
}
}
const (
dataLen = 500 * 1024 // 500 KB
dataLenLong = 50 * 1024 * 1024 // 50 MB
)
var (
// PRData contains dataLen bytes of pseudo-random data.
PRData = GeneratePRData(dataLen)
// PRDataLong contains dataLenLong bytes of pseudo-random data.
PRDataLong = GeneratePRData(dataLenLong)
)
// See https://en.wikipedia.org/wiki/Lehmer_random_number_generator
func GeneratePRData(l int) []byte {
res := make([]byte, l)
seed := uint64(1)
for i := 0; i < l; i++ {
seed = seed * 48271 % 2147483647
res[i] = byte(seed)
}
return res
}
const logBufSize = 100 * 1 << 20 // initial size of the log buffer: 100 MB
type syncedBuffer struct {
mutex sync.Mutex
*bytes.Buffer
}
func (b *syncedBuffer) Write(p []byte) (int, error) {
b.mutex.Lock()
n, err := b.Buffer.Write(p)
b.mutex.Unlock()
return n, err
}
func (b *syncedBuffer) Bytes() []byte {
b.mutex.Lock()
p := b.Buffer.Bytes()
b.mutex.Unlock()
return p
}
func (b *syncedBuffer) Reset() {
b.mutex.Lock()
b.Buffer.Reset()
b.mutex.Unlock()
}
var (
logFileName string // the log file set in the ginkgo flags
logBufOnce sync.Once
logBuf *syncedBuffer
)
// read the logfile command line flag
// to set call ginkgo -- -logfile=log.txt
func init() {
flag.StringVar(&logFileName, "logfile", "", "log file")
}
var _ = BeforeEach(func() {
log.SetFlags(log.Ldate | log.Ltime | log.Lmicroseconds)
if debugLog() {
logBufOnce.Do(func() {
logBuf = &syncedBuffer{Buffer: bytes.NewBuffer(make([]byte, 0, logBufSize))}
})
utils.DefaultLogger.SetLogLevel(utils.LogLevelDebug)
log.SetOutput(logBuf)
}
})
var _ = AfterEach(func() {
if debugLog() {
logFile, err := os.Create(logFileName)
Expect(err).ToNot(HaveOccurred())
logFile.Write(logBuf.Bytes())
logFile.Close()
logBuf.Reset()
}
})
// Debug says if this test is being logged
func debugLog() bool {
return len(logFileName) > 0
}
func TestSelf(t *testing.T) {
RegisterFailHandler(Fail)
RunSpecs(t, "Self integration tests")
}
var _ = BeforeSuite(func() {
rand.Seed(GinkgoRandomSeed())
})