88 lines
2.3 KiB
Go
88 lines
2.3 KiB
Go
package wire
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import (
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"bytes"
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"github.com/lucas-clemente/quic-go/internal/protocol"
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"github.com/lucas-clemente/quic-go/qerr"
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. "github.com/onsi/ginkgo"
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. "github.com/onsi/gomega"
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)
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var _ = Describe("GoawayFrame", func() {
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Context("when parsing", func() {
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Context("in big endian", func() {
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It("accepts sample frame", func() {
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b := bytes.NewReader([]byte{0x3,
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0x0, 0x0, 0x13, 0x37, // error code
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0x0, 0x0, 0x12, 0x34, // last good stream id
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0x0, 0x3, // reason phrase length
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'f', 'o', 'o',
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})
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frame, err := ParseGoawayFrame(b, versionBigEndian)
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Expect(frame).To(Equal(&GoawayFrame{
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ErrorCode: 0x1337,
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LastGoodStream: 0x1234,
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ReasonPhrase: "foo",
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}))
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Expect(err).ToNot(HaveOccurred())
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Expect(b.Len()).To(BeZero())
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})
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It("errors on EOFs", func() {
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data := []byte{0x3,
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0x0, 0x0, 0x0, 0x1, // error code
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0x0, 0x0, 0x0, 0x2, // last good stream id
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0x0, 0x3, // reason phrase length
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'f', 'o', 'o',
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}
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_, err := ParseGoawayFrame(bytes.NewReader(data), versionBigEndian)
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Expect(err).NotTo(HaveOccurred())
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for i := range data {
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_, err := ParseGoawayFrame(bytes.NewReader(data[0:i]), versionBigEndian)
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Expect(err).To(HaveOccurred())
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}
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})
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})
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It("rejects long reason phrases", func() {
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b := bytes.NewReader([]byte{0x3,
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0x1, 0x0, 0x0, 0x0, // error code
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0x2, 0x0, 0x0, 0x0, // last good stream id
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0xff, 0xff, // reason phrase length
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})
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_, err := ParseGoawayFrame(b, protocol.VersionWhatever)
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Expect(err).To(MatchError(qerr.Error(qerr.InvalidGoawayData, "reason phrase too long")))
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})
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})
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Context("when writing", func() {
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Context("in big endian", func() {
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It("writes a sample frame", func() {
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b := &bytes.Buffer{}
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frame := GoawayFrame{
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ErrorCode: 0x1337,
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LastGoodStream: 2,
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ReasonPhrase: "foo",
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}
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err := frame.Write(b, versionBigEndian)
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Expect(err).ToNot(HaveOccurred())
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Expect(b.Bytes()).To(Equal([]byte{0x3,
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0x0, 0x0, 0x13, 0x37, // reason code
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0x0, 0x0, 0x0, 0x2, // last good stream id
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0x0, 0x3, // reason phrase length
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'f', 'o', 'o',
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}))
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})
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})
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It("has the correct min length", func() {
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frame := GoawayFrame{
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ReasonPhrase: "foo",
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}
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Expect(frame.MinLength(0)).To(Equal(protocol.ByteCount(14)))
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})
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})
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})
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