| // Copyright 2015 The etcd 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 command |
| |
| import ( |
| "bytes" |
| "testing" |
| ) |
| |
| func TestArgOrStdin(t *testing.T) { |
| tests := []struct { |
| args []string |
| stdin string |
| i int |
| w string |
| we error |
| }{ |
| { |
| args: []string{ |
| "a", |
| }, |
| stdin: "b", |
| i: 0, |
| w: "a", |
| we: nil, |
| }, |
| { |
| args: []string{ |
| "a", |
| }, |
| stdin: "b", |
| i: 1, |
| w: "b", |
| we: nil, |
| }, |
| { |
| args: []string{ |
| "a", |
| }, |
| stdin: "", |
| i: 1, |
| w: "", |
| we: ErrNoAvailSrc, |
| }, |
| } |
| |
| for i, tt := range tests { |
| var b bytes.Buffer |
| b.Write([]byte(tt.stdin)) |
| g, ge := argOrStdin(tt.args, &b, tt.i) |
| if g != tt.w { |
| t.Errorf("#%d: expect %v, not %v", i, tt.w, g) |
| } |
| if ge != tt.we { |
| t.Errorf("#%d: expect %v, not %v", i, tt.we, ge) |
| } |
| } |
| } |