Files
quic-go/integrationtests/drop_test.go
2017-05-29 12:15:02 +02:00

87 lines
2.4 KiB
Go

package integrationtests
import (
"bytes"
"fmt"
"os/exec"
"strconv"
_ "github.com/lucas-clemente/quic-clients" // download clients
"github.com/lucas-clemente/quic-go/integrationtests/proxy"
"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:" + 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, GinkgoWriter, 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())
})
for i := range protocol.SupportedVersions {
version := protocol.SupportedVersions[i]
Context(fmt.Sprintf("with quic version %d", version), func() {
dropTests(4, 1, runDropTest, version)
dropTests(100, 10, runDropTest, version)
})
}
})
func dropTests(
interval protocol.PacketNumber,
dropInARow protocol.PacketNumber,
runDropTest func(dropCallback quicproxy.DropCallback, version protocol.VersionNumber),
version protocol.VersionNumber) {
FContext("dropping multiple packets after the crypto handshake", 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)
})
})
}