Move rest of integration tests into the gquic folder

integrationtests/gquic/drop_test.go

@@ -0,0 +1,91 @@
+package gquic_test
+
+import (
+	"bytes"
+	"fmt"
+	"os/exec"
+	"strconv"
+
+	_ "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"
+)
+
+var _ = Describe("Drop Proxy", func() {
+	BeforeEach(func() {
+		dataMan.GenerateData(dataLen)
+	})
+
+	var proxy *quicproxy.QuicProxy
+
+	runDropTest := func(dropCallback quicproxy.DropCallback, version protocol.VersionNumber) {
+		var err error
+		proxy, err = quicproxy.NewQuicProxy("localhost:0", quicproxy.Opts{
+			RemoteAddr: "localhost:" + testserver.Port(),
+			DropPacket: dropCallback,
+		})
+		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() {
+		Expect(proxy.Close()).To(Succeed())
+	})
+
+	Context("after the crypto handshake", func() {
+		for i := range protocol.SupportedVersions {
+			version := protocol.SupportedVersions[i]
+
+			Context(fmt.Sprintf("with quic version %d", version), func() {
+				dropTests("dropping every 4th packet", 4, 1, runDropTest, version)
+				dropTests("dropping 10 packets every 100 packets", 100, 10, runDropTest, version)
+			})
+		}
+	})
+})
+
+func dropTests(
+	context string,
+	interval protocol.PacketNumber,
+	dropInARow protocol.PacketNumber,
+	runDropTest func(dropCallback quicproxy.DropCallback, version protocol.VersionNumber),
+	version protocol.VersionNumber) {
+	Context(context, func() {
+		dropper := func(p protocol.PacketNumber) bool {
+			if p <= 10 { // don't interfere with the crypto handshake
+				return false
+			}
+			return (p % interval) < dropInARow
+		}
+
+		It("gets a file when many outgoing packets are dropped", func() {
+			runDropTest(func(d quicproxy.Direction, p protocol.PacketNumber) bool {
+				return d == quicproxy.DirectionOutgoing && dropper(p)
+			}, version)
+		})
+
+		It("gets a file when many incoming packets are dropped", func() {
+			runDropTest(func(d quicproxy.Direction, p protocol.PacketNumber) bool {
+				return d == quicproxy.DirectionIncoming && dropper(p)
+			}, version)
+		})
+	})
+}