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// 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)
}
}
}
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