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cmd_windows_test.go
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cmd_windows_test.go
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//go:build windows
package cmd_test
import (
"errors"
"io/ioutil"
"os"
"os/exec"
"path"
"testing"
"time"
"github.com/go-cmd/cmd"
"github.com/go-test/deep"
)
func TestCmdOK(t *testing.T) {
now := time.Now().Unix()
p := cmd.NewCmd("echo", "foo")
gotStatus := <-p.Start()
expectStatus := cmd.Status{
Cmd: "echo",
PID: gotStatus.PID, // nondeterministic
Complete: true,
Exit: 0,
Error: nil,
Runtime: gotStatus.Runtime, // nondeterministic
Stdout: []string{"foo"},
Stderr: []string{},
}
if gotStatus.StartTs < now {
t.Error("StartTs < now")
}
if gotStatus.StopTs < gotStatus.StartTs {
t.Error("StopTs < StartTs")
}
gotStatus.StartTs = 0
gotStatus.StopTs = 0
if diffs := deep.Equal(gotStatus, expectStatus); diffs != nil {
t.Error(diffs)
}
if gotStatus.PID < 0 {
t.Errorf("got PID %d, expected non-zero", gotStatus.PID)
}
if gotStatus.Runtime < 0 {
t.Errorf("got runtime %f, expected non-zero", gotStatus.Runtime)
}
}
func TestCmdClone(t *testing.T) {
opt := cmd.Options{
Buffered: true,
}
c1 := cmd.NewCmdOptions(opt, "ls")
c1.Dir = "/tmp/"
c1.Env = []string{"YES=please"}
c2 := c1.Clone()
if c1.Name != c2.Name {
t.Errorf("got Name %s, expecting %s", c2.Name, c1.Name)
}
if c1.Dir != c2.Dir {
t.Errorf("got Dir %s, expecting %s", c2.Dir, c1.Dir)
}
if diffs := deep.Equal(c1.Env, c2.Env); diffs != nil {
t.Error(diffs)
}
}
func TestCmdNonzeroExit(t *testing.T) {
p := cmd.NewCmd("false")
gotStatus := <-p.Start()
expectStatus := cmd.Status{
Cmd: "false",
PID: gotStatus.PID, // nondeterministic
Complete: true,
Exit: 1,
Error: nil,
Runtime: gotStatus.Runtime, // nondeterministic
Stdout: []string{},
Stderr: []string{},
}
gotStatus.StartTs = 0
gotStatus.StopTs = 0
if diffs := deep.Equal(gotStatus, expectStatus); diffs != nil {
t.Error(diffs)
}
if gotStatus.PID < 0 {
t.Errorf("got PID %d, expected non-zero", gotStatus.PID)
}
if gotStatus.Runtime < 0 {
t.Errorf("got runtime %f, expected non-zero", gotStatus.Runtime)
}
}
func TestCmdStop(t *testing.T) {
p := cmd.NewCmd("sleep", "5")
// Start process in bg and get chan to receive final Status when done
statusChan := p.Start()
// Give it a second
time.Sleep(1 * time.Second)
// Kill the process
err := p.Stop()
if err != nil {
t.Error(err)
}
// The final status should be returned instantly
timeout := time.After(1 * time.Second)
var gotStatus cmd.Status
select {
case gotStatus = <-statusChan:
case <-timeout:
t.Fatal("timeout waiting for statusChan")
}
start := time.Unix(0, gotStatus.StartTs)
stop := time.Unix(0, gotStatus.StopTs)
d := stop.Sub(start).Seconds()
if d < 0.90 || d > 2 {
t.Errorf("stop - start time not between 0.9s and 2.0s: %s - %s = %f", stop, start, d)
}
gotStatus.StartTs = 0
gotStatus.StopTs = 0
expectStatus := cmd.Status{
Cmd: "sleep",
PID: gotStatus.PID, // nondeterministic
Complete: false,
Exit: 1,
Error: nil,
Runtime: gotStatus.Runtime, // nondeterministic
Stdout: []string{},
Stderr: []string{},
}
if diffs := deep.Equal(gotStatus, expectStatus); diffs != nil {
t.Error(diffs)
}
if gotStatus.PID < 0 {
t.Errorf("got PID %d, expected non-zero", gotStatus.PID)
}
if gotStatus.Runtime < 0 {
t.Errorf("got runtime %f, expected non-zero", gotStatus.Runtime)
}
// Stop should be idempotent
err = p.Stop()
if err != nil {
t.Error(err)
}
// Start should be idempotent, too. It just returns the same statusChan again.
c2 := p.Start()
if diffs := deep.Equal(statusChan, c2); diffs != nil {
t.Error(diffs)
}
}
func TestCmdNotStarted(t *testing.T) {
// Call everything _but_ Start.
p := cmd.NewCmd("echo", "foo")
gotStatus := p.Status()
expectStatus := cmd.Status{
Cmd: "echo",
PID: 0,
Complete: false,
Exit: -1,
Error: nil,
Runtime: 0,
Stdout: nil,
Stderr: nil,
}
if diffs := deep.Equal(gotStatus, expectStatus); diffs != nil {
t.Error(diffs)
}
err := p.Stop()
if err != cmd.ErrNotStarted {
t.Error(err)
}
}
func TestCmdOutput(t *testing.T) {
t.Skip("FIXME")
tmpfile, err := ioutil.TempFile("", "cmd.TestCmdOutput")
if err != nil {
t.Fatal(err)
}
defer os.Remove(tmpfile.Name())
if err := tmpfile.Close(); err != nil {
t.Fatal(err)
}
t.Logf("temp file: %s", tmpfile.Name())
os.Remove(tmpfile.Name())
p := cmd.NewCmd(path.Join(".", "test", "touch-file-count"), tmpfile.Name())
p.Start()
touchFile := func(file string) {
if err := exec.Command("touch", file).Run(); err != nil {
t.Fatal(err)
}
time.Sleep(600 * time.Millisecond)
}
var s cmd.Status
var stdout []string
touchFile(tmpfile.Name())
s = p.Status()
stdout = []string{"1"}
if diffs := deep.Equal(s.Stdout, stdout); diffs != nil {
t.Log(s.Stdout)
t.Error(diffs)
}
touchFile(tmpfile.Name())
s = p.Status()
stdout = []string{"1", "2"}
if diffs := deep.Equal(s.Stdout, stdout); diffs != nil {
t.Log(s.Stdout)
t.Error(diffs)
}
// No more output yet
s = p.Status()
stdout = []string{"1", "2"}
if diffs := deep.Equal(s.Stdout, stdout); diffs != nil {
t.Log(s.Stdout)
t.Error(diffs)
}
// +2 lines
touchFile(tmpfile.Name())
touchFile(tmpfile.Name())
s = p.Status()
stdout = []string{"1", "2", "3", "4"}
if diffs := deep.Equal(s.Stdout, stdout); diffs != nil {
t.Log(s.Stdout)
t.Error(diffs)
}
// Kill the process
if err := p.Stop(); err != nil {
t.Error(err)
}
}
func TestCmdNotFound(t *testing.T) {
t.Skip("FIXME")
p := cmd.NewCmd("cmd-does-not-exist")
gotStatus := <-p.Start()
gotStatus.StartTs = 0
gotStatus.StopTs = 0
expectStatus := cmd.Status{
Cmd: "cmd-does-not-exist",
PID: 0,
Complete: false,
Exit: -1,
Error: errors.New(`exec: "cmd-does-not-exist": executable file not found in $PATH`),
Runtime: 0,
Stdout: nil,
Stderr: nil,
}
if diffs := deep.Equal(gotStatus, expectStatus); diffs != nil {
t.Logf("%+v", gotStatus)
t.Error(diffs)
}
}
func TestDone(t *testing.T) {
t.Skip("FIXME")
// Count to 3 sleeping 1s between counts
p := cmd.NewCmd(path.Join(".", "test", "count-and-sleep"), "3", "1")
statusChan := p.Start()
// For 2s while cmd is running, Done() chan should block, which means
// it's still running
runningTimer := time.After(2 * time.Second)
TIMER:
for {
select {
case <-runningTimer:
break TIMER
default:
}
select {
case <-p.Done():
t.Fatal("Done chan is closed before runningTime finished")
default:
// Done chan blocked, cmd is still running
}
time.Sleep(400 * time.Millisecond)
}
// Wait for cmd to complete
var s1 cmd.Status
select {
case s1 = <-statusChan:
t.Logf("got status: %+v", s1)
case <-time.After(2 * time.Second):
t.Fatal("timeout waiting for cmd to complete")
}
// After cmd completes, Done chan should be closed and not block
select {
case <-p.Done():
default:
t.Fatal("Done chan did not block after cmd completed")
}
// After command completes, we should be able to get exact same
// Status that's returned on the Start() chan
s2 := p.Status()
if diff := deep.Equal(s1, s2); diff != nil {
t.Error(diff)
}
}
func TestCmdEnvOK(t *testing.T) {
t.Skip("FIXME")
now := time.Now().Unix()
p := cmd.NewCmd("env")
p.Env = []string{"FOO=foo"}
gotStatus := <-p.Start()
expectStatus := cmd.Status{
Cmd: "env",
PID: gotStatus.PID, // nondeterministic
Complete: true,
Exit: 0,
Error: nil,
Runtime: gotStatus.Runtime, // nondeterministic
Stdout: []string{"FOO=foo"},
Stderr: []string{},
}
if gotStatus.StartTs < now {
t.Error("StartTs < now")
}
if gotStatus.StopTs < gotStatus.StartTs {
t.Error("StopTs < StartTs")
}
gotStatus.StartTs = 0
gotStatus.StopTs = 0
if diffs := deep.Equal(gotStatus, expectStatus); diffs != nil {
t.Error(diffs)
}
if gotStatus.PID < 0 {
t.Errorf("got PID %d, expected non-zero", gotStatus.PID)
}
if gotStatus.Runtime < 0 {
t.Errorf("got runtime %f, expected non-zero", gotStatus.Runtime)
}
}
func TestCmdNoOutput(t *testing.T) {
// Set both output options to false to discard all output
p := cmd.NewCmdOptions(
cmd.Options{
Buffered: false,
Streaming: false,
},
"echo", "hell-world")
s := <-p.Start()
if s.Exit != 0 {
t.Errorf("got exit %d, expected 0", s.Exit)
}
if len(s.Stdout) != 0 {
t.Errorf("got stdout, expected no output: %v", s.Stdout)
}
if len(s.Stderr) != 0 {
t.Errorf("got stderr, expected no output: %v", s.Stderr)
}
}