mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-12-23 21:40:20 +00:00
58 lines
1.5 KiB
Go
58 lines
1.5 KiB
Go
/*
|
|
Copyright 2018 The Kubernetes 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 genericclioptions
|
|
|
|
import (
|
|
"bytes"
|
|
"io"
|
|
"io/ioutil"
|
|
)
|
|
|
|
// IOStreams provides the standard names for iostreams. This is useful for embedding and for unit testing.
|
|
// Inconsistent and different names make it hard to read and review code
|
|
type IOStreams struct {
|
|
// In think, os.Stdin
|
|
In io.Reader
|
|
// Out think, os.Stdout
|
|
Out io.Writer
|
|
// ErrOut think, os.Stderr
|
|
ErrOut io.Writer
|
|
}
|
|
|
|
// NewTestIOStreams returns a valid IOStreams and in, out, errout buffers for unit tests
|
|
func NewTestIOStreams() (IOStreams, *bytes.Buffer, *bytes.Buffer, *bytes.Buffer) {
|
|
in := &bytes.Buffer{}
|
|
out := &bytes.Buffer{}
|
|
errOut := &bytes.Buffer{}
|
|
|
|
return IOStreams{
|
|
In: in,
|
|
Out: out,
|
|
ErrOut: errOut,
|
|
}, in, out, errOut
|
|
}
|
|
|
|
// NewTestIOStreamsDiscard returns a valid IOStreams that just discards
|
|
func NewTestIOStreamsDiscard() IOStreams {
|
|
in := &bytes.Buffer{}
|
|
return IOStreams{
|
|
In: in,
|
|
Out: ioutil.Discard,
|
|
ErrOut: ioutil.Discard,
|
|
}
|
|
}
|