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// Copyright 2018 Google Inc.
//
// 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 specutils
import (
"fmt"
"os/exec"
"strings"
"testing"
"time"
)
func TestWaitForReadyHappy(t *testing.T) {
cmd := exec.Command("/bin/sleep", "1000")
if err := cmd.Start(); err != nil {
t.Fatalf("cmd.Start() failed, err: %v", err)
}
defer cmd.Wait()
var count int
err := WaitForReady(cmd.Process.Pid, 5*time.Second, func() (bool, error) {
if count < 3 {
count++
return false, nil
}
return true, nil
})
if err != nil {
t.Errorf("ProcessWaitReady got: %v, expected: nil", err)
}
cmd.Process.Kill()
}
func TestWaitForReadyFail(t *testing.T) {
cmd := exec.Command("/bin/sleep", "1000")
if err := cmd.Start(); err != nil {
t.Fatalf("cmd.Start() failed, err: %v", err)
}
defer cmd.Wait()
var count int
err := WaitForReady(cmd.Process.Pid, 5*time.Second, func() (bool, error) {
if count < 3 {
count++
return false, nil
}
return false, fmt.Errorf("Fake error")
})
if err == nil {
t.Errorf("ProcessWaitReady got: nil, expected: error")
}
cmd.Process.Kill()
}
func TestWaitForReadyNotRunning(t *testing.T) {
cmd := exec.Command("/bin/true")
if err := cmd.Start(); err != nil {
t.Fatalf("cmd.Start() failed, err: %v", err)
}
defer cmd.Wait()
err := WaitForReady(cmd.Process.Pid, 5*time.Second, func() (bool, error) {
return false, nil
})
if !strings.Contains(err.Error(), "not running") {
t.Errorf("ProcessWaitReady got: %v, expected: not running", err)
}
}
func TestWaitForReadyTimeout(t *testing.T) {
cmd := exec.Command("/bin/sleep", "1000")
if err := cmd.Start(); err != nil {
t.Fatalf("cmd.Start() failed, err: %v", err)
}
defer cmd.Wait()
err := WaitForReady(cmd.Process.Pid, 50*time.Millisecond, func() (bool, error) {
return false, nil
})
if !strings.Contains(err.Error(), "timed out") {
t.Errorf("ProcessWaitReady got: %v, expected: timed out", err)
}
cmd.Process.Kill()
}
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