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141 lines
2.4 KiB
Go
141 lines
2.4 KiB
Go
package multiplex
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import (
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"bytes"
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"testing"
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"time"
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)
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func TestDatagramBuffer_RW(t *testing.T) {
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b := []byte{0x01, 0x02, 0x03}
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t.Run("simple write", func(t *testing.T) {
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pipe := NewDatagramBufferedPipe()
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_, err := pipe.Write(Frame{Payload: b})
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if err != nil {
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t.Error(
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"expecting", "nil error",
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"got", err,
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)
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return
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}
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})
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t.Run("simple read", func(t *testing.T) {
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pipe := NewDatagramBufferedPipe()
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_, _ = pipe.Write(Frame{Payload: b})
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b2 := make([]byte, len(b))
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n, err := pipe.Read(b2)
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if n != len(b) {
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t.Error(
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"For", "number of bytes read",
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"expecting", len(b),
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"got", n,
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)
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return
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}
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if err != nil {
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t.Error(
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"expecting", "nil error",
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"got", err,
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)
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return
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}
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if !bytes.Equal(b, b2) {
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t.Error(
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"expecting", b,
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"got", b2,
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)
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}
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if pipe.buf.Len() != 0 {
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t.Error("buf len is not 0 after finished reading")
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return
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}
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})
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t.Run("writing closing frame", func(t *testing.T) {
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pipe := NewDatagramBufferedPipe()
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toBeClosed, err := pipe.Write(Frame{Closing: closingStream})
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if !toBeClosed {
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t.Error("should be to be closed")
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}
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if err != nil {
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t.Error(
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"expecting", "nil error",
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"got", err,
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)
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return
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}
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if !pipe.closed {
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t.Error("expecting closed pipe, not closed")
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}
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})
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}
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func TestDatagramBuffer_BlockingRead(t *testing.T) {
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pipe := NewDatagramBufferedPipe()
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b := []byte{0x01, 0x02, 0x03}
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go func() {
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time.Sleep(readBlockTime)
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pipe.Write(Frame{Payload: b})
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}()
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b2 := make([]byte, len(b))
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n, err := pipe.Read(b2)
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if n != len(b) {
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t.Error(
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"For", "number of bytes read after block",
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"expecting", len(b),
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"got", n,
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)
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return
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}
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if err != nil {
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t.Error(
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"For", "blocked read",
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"expecting", "nil error",
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"got", err,
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)
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return
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}
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if !bytes.Equal(b, b2) {
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t.Error(
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"For", "blocked read",
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"expecting", b,
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"got", b2,
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)
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return
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}
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}
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func TestDatagramBuffer_CloseThenRead(t *testing.T) {
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pipe := NewDatagramBufferedPipe()
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b := []byte{0x01, 0x02, 0x03}
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pipe.Write(Frame{Payload: b})
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b2 := make([]byte, len(b))
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pipe.Close()
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n, err := pipe.Read(b2)
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if n != len(b) {
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t.Error(
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"For", "number of bytes read",
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"expecting", len(b),
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"got", n,
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)
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}
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if err != nil {
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t.Error(
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"For", "simple read",
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"expecting", "nil error",
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"got", err,
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)
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return
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}
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if !bytes.Equal(b, b2) {
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t.Error(
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"For", "simple read",
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"expecting", b,
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"got", b2,
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)
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return
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}
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}
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