make wire an internal package

internal/wire/rst_stream_frame_test.go

@@ -0,0 +1,104 @@
+package wire
+
+import (
+	"bytes"
+
+	"github.com/lucas-clemente/quic-go/protocol"
+	. "github.com/onsi/ginkgo"
+	. "github.com/onsi/gomega"
+)
+
+var _ = Describe("RstStreamFrame", func() {
+	Context("when parsing", func() {
+		Context("in little endian", func() {
+			It("accepts sample frame", func() {
+				b := bytes.NewReader([]byte{0x1,
+					0xef, 0xbe, 0xad, 0xde, // stream id
+					0x88, 0x77, 0x66, 0x55, 0x44, 0x33, 0x22, 0x11, // byte offset
+					0x34, 0x12, 0x37, 0x13, // error code
+				})
+				frame, err := ParseRstStreamFrame(b, versionLittleEndian)
+				Expect(err).ToNot(HaveOccurred())
+				Expect(frame.StreamID).To(Equal(protocol.StreamID(0xdeadbeef)))
+				Expect(frame.ByteOffset).To(Equal(protocol.ByteCount(0x1122334455667788)))
+				Expect(frame.ErrorCode).To(Equal(uint32(0x13371234)))
+			})
+		})
+
+		Context("in big endian", func() {
+			It("accepts sample frame", func() {
+				b := bytes.NewReader([]byte{0x1,
+					0xde, 0xad, 0xbe, 0xef, // stream id
+					0x88, 0x77, 0x66, 0x55, 0x44, 0x33, 0x22, 0x11, // byte offset
+					0x34, 0x12, 0x37, 0x13, // error code
+				})
+				frame, err := ParseRstStreamFrame(b, versionBigEndian)
+				Expect(err).ToNot(HaveOccurred())
+				Expect(frame.StreamID).To(Equal(protocol.StreamID(0xdeadbeef)))
+				Expect(frame.ByteOffset).To(Equal(protocol.ByteCount(0x8877665544332211)))
+				Expect(frame.ErrorCode).To(Equal(uint32(0x34123713)))
+			})
+		})
+
+		It("errors on EOFs", func() {
+			data := []byte{0x1,
+				0xef, 0xbe, 0xad, 0xde, 0x44, // stream id
+				0x33, 0x22, 0x11, 0xad, 0xfb, 0xca, 0xde, 0x34, // byte offset
+				0x12, 0x37, 0x13, // error code
+			}
+			_, err := ParseRstStreamFrame(bytes.NewReader(data), protocol.VersionWhatever)
+			Expect(err).NotTo(HaveOccurred())
+			for i := range data {
+				_, err := ParseRstStreamFrame(bytes.NewReader(data[0:i]), protocol.VersionWhatever)
+				Expect(err).To(HaveOccurred())
+			}
+		})
+	})
+
+	Context("when writing", func() {
+		Context("in little endian", func() {
+			It("writes a sample RstStreamFrame", func() {
+				frame := RstStreamFrame{
+					StreamID:   0x1337,
+					ByteOffset: 0x11223344decafbad,
+					ErrorCode:  0xdeadbeef,
+				}
+				b := &bytes.Buffer{}
+				err := frame.Write(b, versionLittleEndian)
+				Expect(err).ToNot(HaveOccurred())
+				Expect(b.Bytes()).To(Equal([]byte{0x01,
+					0x37, 0x13, 0x0, 0x0, // stream id
+					0xad, 0xfb, 0xca, 0xde, 0x44, 0x33, 0x22, 0x11, // byte offset
+					0xef, 0xbe, 0xad, 0xde, // error code
+				}))
+			})
+		})
+
+		Context("in big endian", func() {
+			It("writes a sample RstStreamFrame", func() {
+				frame := RstStreamFrame{
+					StreamID:   0x1337,
+					ByteOffset: 0x11223344decafbad,
+					ErrorCode:  0xdeadbeef,
+				}
+				b := &bytes.Buffer{}
+				err := frame.Write(b, versionBigEndian)
+				Expect(err).ToNot(HaveOccurred())
+				Expect(b.Bytes()).To(Equal([]byte{0x01,
+					0x0, 0x0, 0x13, 0x37, // stream id
+					0x11, 0x22, 0x33, 0x44, 0xde, 0xca, 0xfb, 0xad, // byte offset
+					0xde, 0xad, 0xbe, 0xef, // error code
+				}))
+			})
+		})
+
+		It("has the correct min length", func() {
+			rst := RstStreamFrame{
+				StreamID:   0x1337,
+				ByteOffset: 0x1000,
+				ErrorCode:  0xde,
+			}
+			Expect(rst.MinLength(0)).To(Equal(protocol.ByteCount(17)))
+		})
+	})
+})