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// Copyright 2016 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.
// build !windows
package expect
import (
"os"
"testing"
"time"
)
func TestExpectFunc(t *testing.T) {
ep, err := NewExpect("/bin/echo", "hello world")
if err != nil {
t.Fatal(err)
}
wstr := "hello world\r\n"
l, eerr := ep.ExpectFunc(func(a string) bool { return len(a) > 10 })
if eerr != nil {
t.Fatal(eerr)
}
if l != wstr {
t.Fatalf(`got "%v", expected "%v"`, l, wstr)
}
if cerr := ep.Close(); cerr != nil {
t.Fatal(cerr)
}
}
func TestEcho(t *testing.T) {
ep, err := NewExpect("/bin/echo", "hello world")
if err != nil {
t.Fatal(err)
}
l, eerr := ep.Expect("world")
if eerr != nil {
t.Fatal(eerr)
}
wstr := "hello world"
if l[:len(wstr)] != wstr {
t.Fatalf(`got "%v", expected "%v"`, l, wstr)
}
if cerr := ep.Close(); cerr != nil {
t.Fatal(cerr)
}
if _, eerr = ep.Expect("..."); eerr == nil {
t.Fatalf("expected error on closed expect process")
}
}
func TestLineCount(t *testing.T) {
ep, err := NewExpect("/usr/bin/printf", "1\n2\n3")
if err != nil {
t.Fatal(err)
}
wstr := "3"
l, eerr := ep.Expect(wstr)
if eerr != nil {
t.Fatal(eerr)
}
if l != wstr {
t.Fatalf(`got "%v", expected "%v"`, l, wstr)
}
if ep.LineCount() != 3 {
t.Fatalf("got %d, expected 3", ep.LineCount())
}
if cerr := ep.Close(); cerr != nil {
t.Fatal(cerr)
}
}
func TestSend(t *testing.T) {
ep, err := NewExpect("/usr/bin/tr", "a", "b")
if err != nil {
t.Fatal(err)
}
if err := ep.Send("a\r"); err != nil {
t.Fatal(err)
}
if _, err := ep.Expect("b"); err != nil {
t.Fatal(err)
}
if err := ep.Stop(); err != nil {
t.Fatal(err)
}
}
func TestSignal(t *testing.T) {
ep, err := NewExpect("/bin/sleep", "100")
if err != nil {
t.Fatal(err)
}
ep.Signal(os.Interrupt)
donec := make(chan struct{})
go func() {
defer close(donec)
werr := "signal: interrupt"
if cerr := ep.Close(); cerr == nil || cerr.Error() != werr {
t.Errorf("got error %v, wanted error %s", cerr, werr)
}
}()
select {
case <-time.After(5 * time.Second):
t.Fatalf("signal test timed out")
case <-donec:
}
}
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