Move rest of integration tests into the gquic folder

integrationtests/gquic/random_rtt_test.go

@@ -0,0 +1,101 @@
+package gquic_test
+
+import (
+	"bytes"
+	"fmt"
+	"math/rand"
+	"os/exec"
+	"strconv"
+	"time"
+
+	_ "github.com/lucas-clemente/quic-clients" // download clients
+	"github.com/lucas-clemente/quic-go/integrationtests/tools/proxy"
+	"github.com/lucas-clemente/quic-go/integrationtests/tools/testserver"
+	"github.com/lucas-clemente/quic-go/protocol"
+
+	. "github.com/onsi/ginkgo"
+	. "github.com/onsi/gomega"
+	. "github.com/onsi/gomega/gexec"
+)
+
+// get a random duration between min and max
+func getRandomDuration(min, max time.Duration) time.Duration {
+	return min + time.Duration(rand.Int63n(int64(max-min)))
+}
+
+var _ = Describe("Random Duration Generator", func() {
+	rand.Seed(time.Now().UnixNano())
+	It("gets a random RTT", func() {
+		var min time.Duration = time.Hour
+		var max time.Duration
+
+		var sum time.Duration
+		rep := 10000
+		for i := 0; i < rep; i++ {
+			val := getRandomDuration(100*time.Millisecond, 500*time.Millisecond)
+			sum += val
+			if val < min {
+				min = val
+			}
+			if val > max {
+				max = val
+			}
+		}
+		avg := sum / time.Duration(rep)
+		Expect(avg).To(BeNumerically("~", 300*time.Millisecond, 5*time.Millisecond))
+		Expect(min).To(BeNumerically(">=", 100*time.Millisecond))
+		Expect(min).To(BeNumerically("<", 105*time.Millisecond))
+		Expect(max).To(BeNumerically(">", 495*time.Millisecond))
+		Expect(max).To(BeNumerically("<=", 500*time.Millisecond))
+	})
+})
+
+var _ = Describe("Random RTT", func() {
+	BeforeEach(func() {
+		dataMan.GenerateData(dataLen)
+	})
+
+	var proxy *quicproxy.QuicProxy
+
+	runRTTTest := func(minRtt, maxRtt time.Duration, version protocol.VersionNumber) {
+		rand.Seed(time.Now().UnixNano())
+		var err error
+		proxy, err = quicproxy.NewQuicProxy("localhost:", quicproxy.Opts{
+			RemoteAddr: "localhost:" + testserver.Port(),
+			DelayPacket: func(_ quicproxy.Direction, _ protocol.PacketNumber) time.Duration {
+				return getRandomDuration(minRtt, maxRtt)
+			},
+		})
+		Expect(err).ToNot(HaveOccurred())
+
+		command := exec.Command(
+			clientPath,
+			"--quic-version="+strconv.Itoa(int(version)),
+			"--host=127.0.0.1",
+			"--port="+strconv.Itoa(proxy.LocalPort()),
+			"https://quic.clemente.io/data",
+		)
+
+		session, err := Start(command, nil, GinkgoWriter)
+		Expect(err).NotTo(HaveOccurred())
+		defer session.Kill()
+		Eventually(session, 20).Should(Exit(0))
+		Expect(bytes.Contains(session.Out.Contents(), dataMan.GetData())).To(BeTrue())
+	}
+
+	AfterEach(func() {
+		err := proxy.Close()
+		Expect(err).ToNot(HaveOccurred())
+		time.Sleep(time.Millisecond)
+	})
+
+	for i := range protocol.SupportedVersions {
+		version := protocol.SupportedVersions[i]
+
+		Context(fmt.Sprintf("with quic version %d", version), func() {
+			It("gets a file a random RTT between 10ms and 30ms", func() {
+				runRTTTest(10*time.Millisecond, 30*time.Millisecond, version)
+			})
+		})
+	}
+})