buffer.go

//go:build e2e
// +build e2e

/*
Copyright 2020 The Tekton Authors

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

		http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

package test

import (
	"bytes"
	"sync"
)

// Buffer is the thread safe Buffer implementation
type Buffer struct {
	b bytes.Buffer
	m sync.Mutex
}

// Write to the Buffer in a thread safe manner
func (b *Buffer) Write(p []byte) (n int, err error) {
	b.m.Lock()
	defer b.m.Unlock()
	return b.b.Write(p)
}

// String returns the contents of the unread portion of the buffer
// as a string in a thread safe manner.
func (b *Buffer) String() string {
	b.m.Lock()
	defer b.m.Unlock()
	return b.b.String()
}