1 /* 2 Copyright 2018 The Kubernetes Authors. 3 4 Licensed under the Apache License, Version 2.0 (the "License"); 5 you may not use this file except in compliance with the License. 6 You may obtain a copy of the License at 7 8 http://www.apache.org/licenses/LICENSE-2.0 9 10 Unless required by applicable law or agreed to in writing, software 11 distributed under the License is distributed on an "AS IS" BASIS, 12 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 See the License for the specific language governing permissions and 14 limitations under the License. 15 */ 16 17 package genericclioptions 18 19 import ( 20 "bytes" 21 "io" 22 23 "k8s.io/cli-runtime/pkg/genericiooptions" 24 ) 25 26 // IOStreams provides the standard names for iostreams. This is useful for embedding and for unit testing. 27 // Inconsistent and different names make it hard to read and review code 28 // DEPRECATED: use genericiooptions.IOStreams 29 type IOStreams = genericiooptions.IOStreams 30 31 // NewTestIOStreams returns a valid IOStreams and in, out, errout buffers for unit tests 32 // DEPRECATED: use genericiooptions.NewTestIOStreams 33 func NewTestIOStreams() (genericiooptions.IOStreams, *bytes.Buffer, *bytes.Buffer, *bytes.Buffer) { 34 in := &bytes.Buffer{} 35 out := &bytes.Buffer{} 36 errOut := &bytes.Buffer{} 37 38 return IOStreams{ 39 In: in, 40 Out: out, 41 ErrOut: errOut, 42 }, in, out, errOut 43 } 44 45 // NewTestIOStreamsDiscard returns a valid IOStreams that just discards 46 // DEPRECATED: use genericiooptions.NewTestIOStreamsDiscard 47 func NewTestIOStreamsDiscard() genericiooptions.IOStreams { 48 in := &bytes.Buffer{} 49 return IOStreams{ 50 In: in, 51 Out: io.Discard, 52 ErrOut: io.Discard, 53 } 54 } 55