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Merge pull request #503 from lucas-clemente/fix-484

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Fix flaky appveyor tests
This commit is contained in:
Lucas Clemente
2017-03-31 10:24:49 +02:00
committed by GitHub
parent 75ac4e6781 22cdbf7b49
commit 959a8d0e4f
2 changed files with 45 additions and 20 deletions
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21
client_test.go
View File

@@ -6,8 +6,6 @@ import (
"errors"
"net"
"reflect"
"runtime"
"time"
"unsafe"
"github.com/lucas-clemente/quic-go/protocol"
@@ -28,6 +26,7 @@ var _ = Describe("Client", func() {
)
BeforeEach(func() {
Eventually(areSessionsRunning).Should(BeFalse())
versionNegotiateConnStateCalled = false
packetConn = &mockPacketConn{}
config = &Config{
@@ -48,6 +47,13 @@ var _ = Describe("Client", func() {
}
})
AfterEach(func() {
if s, ok := cl.session.(*session); ok {
s.Close(nil)
}
Eventually(areSessionsRunning).Should(BeFalse())
})
Context("Dialing", func() {
It("creates a new client", func() {
packetConn.dataToRead = []byte{0x0, 0x1, 0x0}
@@ -56,6 +62,7 @@ var _ = Describe("Client", func() {
Expect(err).ToNot(HaveOccurred())
Expect(*(*[]protocol.VersionNumber)(unsafe.Pointer(reflect.ValueOf(sess.(*session).cryptoSetup).Elem().FieldByName("negotiatedVersions").UnsafeAddr()))).To(BeNil())
Expect(*(*string)(unsafe.Pointer(reflect.ValueOf(sess.(*session).cryptoSetup).Elem().FieldByName("hostname").UnsafeAddr()))).To(Equal("quic.clemente.io"))
sess.Close(nil)
})
It("errors when receiving an invalid first packet from the server", func() {
@@ -73,7 +80,8 @@ var _ = Describe("Client", func() {
})
// now we're only testing that Dial doesn't return directly after version negotiation
It("doesn't return after version negotiation is established if no ConnState is defined", func() {
PIt("doesn't return after version negotiation is established if no ConnState is defined", func() {
// TODO(#506): Fix test
packetConn.dataToRead = []byte{0x0, 0x1, 0x0}
config.ConnState = nil
var dialReturned bool
@@ -114,13 +122,14 @@ var _ = Describe("Client", func() {
// this test requires a real session (because it calls the close callback) and a real UDP conn (because it unblocks and errors when it is closed)
It("properly closes", func(done Done) {
Eventually(areSessionsRunning).Should(BeFalse())
udpConn, err := net.ListenUDP("udp", &net.UDPAddr{IP: net.IPv4(127, 0, 0, 1)})
Expect(err).ToNot(HaveOccurred())
cl.conn = &conn{pconn: udpConn}
err = cl.createNewSession(nil)
Expect(err).NotTo(HaveOccurred())
testErr := errors.New("test error")
time.Sleep(10 * time.Millisecond) // Wait for old goroutines to finish
numGoRoutines := runtime.NumGoroutine()
Eventually(areSessionsRunning).Should(BeTrue())
var stoppedListening bool
go func() {
@@ -131,7 +140,7 @@ var _ = Describe("Client", func() {
err = cl.session.Close(testErr)
Expect(err).ToNot(HaveOccurred())
Eventually(func() bool { return stoppedListening }).Should(BeTrue())
Eventually(runtime.NumGoroutine()).Should(Equal(numGoRoutines))
Eventually(areSessionsRunning).Should(BeFalse())
close(done)
}, 10)

44
session_test.go
View File

@@ -6,7 +6,8 @@ import (
"io"
"net"
"reflect"
"runtime"
"runtime/pprof"
"strings"
"sync/atomic"
"time"
"unsafe"
@@ -115,6 +116,12 @@ func (m *mockReceivedPacketHandler) ReceivedStopWaiting(*frames.StopWaitingFrame
var _ ackhandler.ReceivedPacketHandler = &mockReceivedPacketHandler{}
func areSessionsRunning() bool {
var b bytes.Buffer
pprof.Lookup("goroutine").WriteTo(&b, 1)
return strings.Contains(b.String(), "quic-go.(*session).run")
}
var _ = Describe("Session", func() {
var (
sess *session
@@ -126,6 +133,8 @@ var _ = Describe("Session", func() {
)
BeforeEach(func() {
Eventually(areSessionsRunning).Should(BeFalse())
mconn = &mockConnection{
remoteAddr: &net.UDPAddr{},
}
@@ -165,6 +174,10 @@ var _ = Describe("Session", func() {
Expect(clientSess.streamsMap.openStreams).To(HaveLen(1)) // Crypto stream
})
AfterEach(func() {
Eventually(areSessionsRunning).Should(BeFalse())
})
Context("source address", func() {
It("uses the IP address if given an UDP connection", func() {
conn := &conn{currentAddr: &net.UDPAddr{IP: net.IPv4(192, 168, 100, 200)[12:], Port: 1337}}
@@ -620,20 +633,15 @@ var _ = Describe("Session", func() {
})
Context("closing", func() {
var (
nGoRoutinesBefore int
)
BeforeEach(func() {
time.Sleep(10 * time.Millisecond) // Wait for old goroutines to finish
nGoRoutinesBefore = runtime.NumGoroutine()
Eventually(areSessionsRunning).Should(BeFalse())
go sess.run()
Eventually(func() int { return runtime.NumGoroutine() }).Should(Equal(nGoRoutinesBefore + 2))
Eventually(areSessionsRunning).Should(BeTrue())
})
It("shuts down without error", func() {
sess.Close(nil)
Eventually(func() int { return runtime.NumGoroutine() }).Should(Equal(nGoRoutinesBefore))
Eventually(areSessionsRunning).Should(BeFalse())
Expect(mconn.written).To(HaveLen(1))
Expect(mconn.written[0][len(mconn.written[0])-7:]).To(Equal([]byte{0x02, byte(qerr.PeerGoingAway), 0, 0, 0, 0, 0}))
Expect(closeCallbackCalled).To(BeTrue())
@@ -643,7 +651,7 @@ var _ = Describe("Session", func() {
It("only closes once", func() {
sess.Close(nil)
sess.Close(nil)
Eventually(func() int { return runtime.NumGoroutine() }).Should(Equal(nGoRoutinesBefore))
Eventually(areSessionsRunning).Should(BeFalse())
Expect(mconn.written).To(HaveLen(1))
Expect(sess.runClosed).ToNot(Receive()) // channel should be drained by Close()
})
@@ -653,7 +661,7 @@ var _ = Describe("Session", func() {
s, err := sess.GetOrOpenStream(5)
Expect(err).NotTo(HaveOccurred())
sess.Close(testErr)
Eventually(func() int { return runtime.NumGoroutine() }).Should(Equal(nGoRoutinesBefore))
Eventually(areSessionsRunning).Should(BeFalse())
Expect(closeCallbackCalled).To(BeTrue())
n, err := s.Read([]byte{0})
Expect(n).To(BeZero())
@@ -667,7 +675,7 @@ var _ = Describe("Session", func() {
It("closes the session in order to replace it with another QUIC version", func() {
sess.Close(errCloseSessionForNewVersion)
Expect(closeCallbackCalled).To(BeFalse())
Eventually(func() int { return runtime.NumGoroutine() }).Should(Equal(nGoRoutinesBefore))
Eventually(areSessionsRunning).Should(BeFalse())
Expect(atomic.LoadUint32(&sess.closed) != 0).To(BeTrue())
Expect(mconn.written).To(BeEmpty()) // no CONNECTION_CLOSE or PUBLIC_RESET sent
})
@@ -1064,6 +1072,7 @@ var _ = Describe("Session", func() {
})
Expect(err).NotTo(HaveOccurred())
go sess.run()
defer sess.Close(nil)
sess.scheduleSending()
Eventually(func() [][]byte { return mconn.written }).ShouldNot(BeEmpty())
Expect(mconn.written[0]).To(ContainSubstring("foobar"))
@@ -1091,6 +1100,7 @@ var _ = Describe("Session", func() {
rph.nextAckFrame = &frames.AckFrame{LargestAcked: 0x1337}
sess.receivedPacketHandler = rph
go sess.run()
defer sess.Close(nil)
sess.ackAlarmChanged(time.Now().Add(10 * time.Millisecond))
time.Sleep(10 * time.Millisecond)
Eventually(func() int { return len(mconn.written) }).ShouldNot(BeZero())
@@ -1110,6 +1120,7 @@ var _ = Describe("Session", func() {
sess.scheduleSending()
go sess.run()
defer sess.Close(nil)
Eventually(func() [][]byte { return mconn.written }).Should(HaveLen(1))
Expect(mconn.written[0]).To(ContainSubstring("foobar1"))
@@ -1122,10 +1133,10 @@ var _ = Describe("Session", func() {
s2, err := sess.GetOrOpenStream(7)
Expect(err).NotTo(HaveOccurred())
go sess.run()
defer sess.Close(nil)
go func() {
defer GinkgoRecover()
_, err2 := s1.Write(bytes.Repeat([]byte{'e'}, 1000))
Expect(err2).ToNot(HaveOccurred())
s1.Write(bytes.Repeat([]byte{'e'}, 1000))
}()
_, err = s2.Write(bytes.Repeat([]byte{'e'}, 1000))
Expect(err).ToNot(HaveOccurred())
@@ -1136,6 +1147,7 @@ var _ = Describe("Session", func() {
s, err := sess.GetOrOpenStream(5)
Expect(err).NotTo(HaveOccurred())
go sess.run()
defer sess.Close(nil)
_, err = s.Write([]byte("foobar1"))
Expect(err).NotTo(HaveOccurred())
Eventually(func() [][]byte { return mconn.written }).Should(HaveLen(1))
@@ -1151,6 +1163,7 @@ var _ = Describe("Session", func() {
s, err := sess.GetOrOpenStream(5)
Expect(err).NotTo(HaveOccurred())
go sess.run()
defer sess.Close(nil)
_, err = s.Write([]byte("foobar1"))
Expect(err).NotTo(HaveOccurred())
Eventually(func() [][]byte { return mconn.written }).Should(HaveLen(1))
@@ -1166,6 +1179,7 @@ var _ = Describe("Session", func() {
It("tells the packetPacker when forward-secure encryption is used", func() {
go sess.run()
defer sess.Close(nil)
sess.aeadChanged <- protocol.EncryptionSecure
Consistently(func() bool { return sess.packer.isForwardSecure }).Should(BeFalse())
sess.aeadChanged <- protocol.EncryptionForwardSecure
@@ -1257,6 +1271,7 @@ var _ = Describe("Session", func() {
sess.cryptoChangeCallback = cb
sess.aeadChanged <- protocol.EncryptionSecure
go sess.run()
defer sess.Close(nil)
Eventually(func() bool { return callbackCalled }).Should(BeTrue())
Expect(callbackCalledWith).To(BeFalse())
Expect(callbackSession).To(Equal(sess))
@@ -1274,6 +1289,7 @@ var _ = Describe("Session", func() {
sess.cryptoSetup = &mockCryptoSetup{handshakeComplete: true}
sess.aeadChanged <- protocol.EncryptionForwardSecure
go sess.run()
defer sess.Close(nil)
Eventually(func() bool { return callbackCalledWith }).Should(BeTrue())
Expect(callbackSession).To(Equal(sess))
close(done)