Files
quic-go/datagram_queue_test.go
2020-12-09 15:31:23 +07:00

55 lines
1.3 KiB
Go

package quic
import (
"errors"
"github.com/lucas-clemente/quic-go/internal/wire"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
)
var _ = Describe("Datagram Queue", func() {
var queue *datagramQueue
var queued chan struct{}
BeforeEach(func() {
queued = make(chan struct{}, 100)
queue = newDatagramQueue(func() {
queued <- struct{}{}
})
})
It("returns nil when there's no datagram to send", func() {
Expect(queue.Get()).To(BeNil())
})
It("queues a datagram", func() {
done := make(chan struct{})
go func() {
defer GinkgoRecover()
defer close(done)
Expect(queue.AddAndWait(&wire.DatagramFrame{Data: []byte("foobar")})).To(Succeed())
}()
Eventually(queued).Should(HaveLen(1))
Consistently(done).ShouldNot(BeClosed())
f := queue.Get()
Expect(f).ToNot(BeNil())
Expect(f.Data).To(Equal([]byte("foobar")))
Eventually(done).Should(BeClosed())
Expect(queue.Get()).To(BeNil())
})
It("closes", func() {
errChan := make(chan error, 1)
go func() {
defer GinkgoRecover()
errChan <- queue.AddAndWait(&wire.DatagramFrame{Data: []byte("foobar")})
}()
Consistently(errChan).ShouldNot(Receive())
queue.CloseWithError(errors.New("test error"))
Eventually(errChan).Should(Receive(MatchError("test error")))
})
})