run integration tests with the quic_server with all supported versions

integrationtests/gquic/gquic_suite_test.go

@@ -2,6 +2,7 @@ package gquic_test
 
 import (
 	"fmt"
+	mrand "math/rand"
 	"path/filepath"
 	"runtime"
 
@@ -24,6 +25,10 @@ func TestIntegration(t *testing.T) {
 	RunSpecs(t, "GQuic Tests Suite")
 }
 
+var _ = BeforeSuite(func() {
+	mrand.Seed(GinkgoRandomSeed())
+})
+
 var _ = JustBeforeEach(func() {
 	testserver.StartQuicServer(nil)
 })

integrationtests/gquic/server_test.go

@@ -8,6 +8,7 @@ import (
 	"crypto/x509/pkix"
 	"encoding/asn1"
 	"encoding/pem"
+	"fmt"
 	"io/ioutil"
 	"math/big"
 	mrand "math/rand"
@@ -18,9 +19,11 @@ import (
 	"strconv"
 	"time"
 
-	"github.com/lucas-clemente/quic-go/integrationtests/tools/testserver"
-
+	quic "github.com/lucas-clemente/quic-go"
 	"github.com/lucas-clemente/quic-go/h2quic"
+	"github.com/lucas-clemente/quic-go/integrationtests/tools/testserver"
+	"github.com/lucas-clemente/quic-go/internal/protocol"
+
 	. "github.com/onsi/ginkgo"
 	. "github.com/onsi/gomega"
 	"github.com/onsi/gomega/gbytes"
@@ -28,7 +31,8 @@ import (
 )
 
 var _ = Describe("Server tests", func() {
-	mrand.Seed(time.Now().UnixNano())
+	for i := range protocol.SupportedVersions {
+		version := protocol.SupportedVersions[i]
 
 		var (
 			serverPort string
@@ -78,7 +82,7 @@ var _ = Describe("Server tests", func() {
 
 		// download files must be create *before* the quic_server is started
 		// the quic_server reads its data dir on startup, and only serves those files that were already present then
-	startServer := func() {
+		startServer := func(version protocol.VersionNumber) {
 			defer GinkgoRecover()
 			var err error
 			command := exec.Command(
@@ -86,6 +90,7 @@ var _ = Describe("Server tests", func() {
 				"--quic_response_cache_dir="+filepath.Join(tmpDir, "quic.clemente.io"),
 				"--key_file="+filepath.Join(tmpDir, "key.pkcs8"),
 				"--certificate_file="+filepath.Join(tmpDir, "cert.pem"),
+				"--quic-version="+strconv.Itoa(int(version)),
 				"--port="+serverPort,
 			)
 			session, err = Start(command, nil, GinkgoWriter)
@@ -151,6 +156,9 @@ var _ = Describe("Server tests", func() {
 			client = &http.Client{
 				Transport: &h2quic.RoundTripper{
 					TLSClientConfig: &tls.Config{RootCAs: certPool},
+					QuicConfig: &quic.Config{
+						Versions: []protocol.VersionNumber{version},
+					},
 				},
 			}
 		})
@@ -162,11 +170,12 @@ var _ = Describe("Server tests", func() {
 			tmpDir = ""
 		})
 
+		Context(fmt.Sprintf("with QUIC version %d", version), func() {
 			It("downloads a hello", func() {
 				data := []byte("Hello world!\n")
 				createDownloadFile("hello", data)
 
-		startServer()
+				startServer(version)
 				defer stopServer()
 
 				rsp, err := client.Get("https://quic.clemente.io:" + serverPort + "/hello")
@@ -180,7 +189,7 @@ var _ = Describe("Server tests", func() {
 			It("downloads a small file", func() {
 				createDownloadFile("file.dat", testserver.PRData)
 
-		startServer()
+				startServer(version)
 				defer stopServer()
 
 				rsp, err := client.Get("https://quic.clemente.io:" + serverPort + "/file.dat")
@@ -194,7 +203,7 @@ var _ = Describe("Server tests", func() {
 			It("downloads a large file", func() {
 				createDownloadFile("file.dat", testserver.PRDataLong)
 
-		startServer()
+				startServer(version)
 				defer stopServer()
 
 				rsp, err := client.Get("https://quic.clemente.io:" + serverPort + "/file.dat")
@@ -205,3 +214,5 @@ var _ = Describe("Server tests", func() {
 				Expect(body).To(Equal(testserver.PRDataLong))
 			})
 		})
+	}
+})