forked from TrueCloudLab/restic
130 lines
2.7 KiB
Go
130 lines
2.7 KiB
Go
// Copyright 2014 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package http2
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import (
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"bytes"
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"errors"
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"io"
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"io/ioutil"
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"testing"
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)
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func TestPipeClose(t *testing.T) {
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var p pipe
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p.b = new(bytes.Buffer)
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a := errors.New("a")
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b := errors.New("b")
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p.CloseWithError(a)
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p.CloseWithError(b)
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_, err := p.Read(make([]byte, 1))
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if err != a {
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t.Errorf("err = %v want %v", err, a)
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}
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}
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func TestPipeDoneChan(t *testing.T) {
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var p pipe
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done := p.Done()
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select {
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case <-done:
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t.Fatal("done too soon")
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default:
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}
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p.CloseWithError(io.EOF)
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select {
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case <-done:
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default:
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t.Fatal("should be done")
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}
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}
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func TestPipeDoneChan_ErrFirst(t *testing.T) {
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var p pipe
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p.CloseWithError(io.EOF)
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done := p.Done()
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select {
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case <-done:
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default:
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t.Fatal("should be done")
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}
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}
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func TestPipeDoneChan_Break(t *testing.T) {
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var p pipe
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done := p.Done()
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select {
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case <-done:
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t.Fatal("done too soon")
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default:
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}
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p.BreakWithError(io.EOF)
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select {
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case <-done:
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default:
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t.Fatal("should be done")
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}
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}
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func TestPipeDoneChan_Break_ErrFirst(t *testing.T) {
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var p pipe
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p.BreakWithError(io.EOF)
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done := p.Done()
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select {
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case <-done:
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default:
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t.Fatal("should be done")
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}
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}
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func TestPipeCloseWithError(t *testing.T) {
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p := &pipe{b: new(bytes.Buffer)}
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const body = "foo"
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io.WriteString(p, body)
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a := errors.New("test error")
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p.CloseWithError(a)
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all, err := ioutil.ReadAll(p)
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if string(all) != body {
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t.Errorf("read bytes = %q; want %q", all, body)
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}
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if err != a {
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t.Logf("read error = %v, %v", err, a)
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}
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// Read and Write should fail.
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if n, err := p.Write([]byte("abc")); err != errClosedPipeWrite || n != 0 {
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t.Errorf("Write(abc) after close\ngot %v, %v\nwant 0, %v", n, err, errClosedPipeWrite)
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}
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if n, err := p.Read(make([]byte, 1)); err == nil || n != 0 {
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t.Errorf("Read() after close\ngot %v, nil\nwant 0, %v", n, errClosedPipeWrite)
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}
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}
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func TestPipeBreakWithError(t *testing.T) {
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p := &pipe{b: new(bytes.Buffer)}
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io.WriteString(p, "foo")
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a := errors.New("test err")
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p.BreakWithError(a)
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all, err := ioutil.ReadAll(p)
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if string(all) != "" {
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t.Errorf("read bytes = %q; want empty string", all)
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}
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if err != a {
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t.Logf("read error = %v, %v", err, a)
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}
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if p.b != nil {
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t.Errorf("buffer should be nil after BreakWithError")
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}
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// Write should succeed silently.
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if n, err := p.Write([]byte("abc")); err != nil || n != 3 {
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t.Errorf("Write(abc) after break\ngot %v, %v\nwant 0, nil", n, err)
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}
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if p.b != nil {
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t.Errorf("buffer should be nil after Write")
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}
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// Read should fail.
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if n, err := p.Read(make([]byte, 1)); err == nil || n != 0 {
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t.Errorf("Read() after close\ngot %v, nil\nwant 0, not nil", n)
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}
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}
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