playground/play_test.go

57 строки
1.4 KiB
Go

// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package main
import (
"encoding/binary"
"reflect"
"testing"
"time"
)
func TestDecode(t *testing.T) {
r := new(Recorder)
stdout := r.Stdout()
stderr := r.Stderr()
stdout.Write([]byte("head"))
stdout.Write(pbWrite(0, "one"))
stdout.Write(pbWrite(0, "two"))
stderr.Write(pbWrite(1*time.Second, "three"))
stderr.Write(pbWrite(2*time.Second, "five"))
stdout.Write(pbWrite(2*time.Second-time.Nanosecond, "four"))
stderr.Write(pbWrite(2*time.Second, "six"))
stdout.Write([]byte("middle"))
stdout.Write(pbWrite(3*time.Second, "seven"))
stdout.Write([]byte("tail"))
want := []Event{
{"headonetwo", "stdout", 0},
{"three", "stderr", time.Second},
{"fourmiddle", "stdout", time.Second - time.Nanosecond},
{"fivesix", "stderr", time.Nanosecond},
{"seventail", "stdout", time.Second},
}
got, err := r.Events()
if err != nil {
t.Fatalf("Decode: %v", err)
}
if !reflect.DeepEqual(got, want) {
t.Errorf("got: \n%v,\nwant \n%v", got, want)
}
}
func pbWrite(offset time.Duration, s string) []byte {
out := make([]byte, 16)
out[2] = 'P'
out[3] = 'B'
binary.BigEndian.PutUint64(out[4:], uint64(epoch.Add(offset).UnixNano()))
binary.BigEndian.PutUint32(out[12:], uint32(len(s)))
return append(out, s...)
}