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94 lines
2.0 KiB
Go
94 lines
2.0 KiB
Go
package multiplex
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import (
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"math/rand"
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"testing"
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"time"
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"github.com/stretchr/testify/assert"
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)
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const readBlockTime = 500 * time.Millisecond
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func TestPipeRW(t *testing.T) {
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pipe := NewStreamBufferedPipe()
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b := []byte{0x01, 0x02, 0x03}
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n, err := pipe.Write(b)
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assert.NoError(t, err, "simple write")
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assert.Equal(t, len(b), n, "number of bytes written")
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b2 := make([]byte, len(b))
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n, err = pipe.Read(b2)
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assert.NoError(t, err, "simple read")
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assert.Equal(t, len(b), n, "number of bytes read")
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assert.Equal(t, b, b2)
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}
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func TestReadBlock(t *testing.T) {
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pipe := NewStreamBufferedPipe()
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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(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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assert.NoError(t, err, "blocked read")
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assert.Equal(t, len(b), n, "number of bytes read after block")
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assert.Equal(t, b, b2)
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}
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func TestPartialRead(t *testing.T) {
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pipe := NewStreamBufferedPipe()
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b := []byte{0x01, 0x02, 0x03}
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pipe.Write(b)
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b1 := make([]byte, 1)
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n, err := pipe.Read(b1)
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assert.NoError(t, err, "partial read of 1")
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assert.Equal(t, len(b1), n, "number of bytes in partial read of 1")
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assert.Equal(t, b[0], b1[0])
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b2 := make([]byte, 2)
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n, err = pipe.Read(b2)
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assert.NoError(t, err, "partial read of 2")
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assert.Equal(t, len(b2), n, "number of bytes in partial read of 2")
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assert.Equal(t, b[1:], b2)
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}
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func TestReadAfterClose(t *testing.T) {
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pipe := NewStreamBufferedPipe()
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b := []byte{0x01, 0x02, 0x03}
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pipe.Write(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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assert.NoError(t, err, "simple read")
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assert.Equal(t, len(b), n, "number of bytes read")
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assert.Equal(t, b, b2)
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}
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func BenchmarkBufferedPipe_RW(b *testing.B) {
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const PAYLOAD_LEN = 1000
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testData := make([]byte, PAYLOAD_LEN)
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rand.Read(testData)
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pipe := NewStreamBufferedPipe()
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smallBuf := make([]byte, PAYLOAD_LEN-10)
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go func() {
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for {
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pipe.Read(smallBuf)
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}
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}()
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b.SetBytes(int64(len(testData)))
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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pipe.Write(testData)
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}
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}
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