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moby--moby/integration-cli/docker_cli_ps_test.go

479 lines
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package main
import (
"os/exec"
"strings"
"testing"
"time"
)
func TestPsListContainers(t *testing.T) {
runCmd := exec.Command(dockerBinary, "run", "-d", "busybox", "top")
out, _, err := runCommandWithOutput(runCmd)
if err != nil {
t.Fatal(out, err)
}
firstID := stripTrailingCharacters(out)
runCmd = exec.Command(dockerBinary, "run", "-d", "busybox", "top")
out, _, err = runCommandWithOutput(runCmd)
if err != nil {
t.Fatal(out, err)
}
secondID := stripTrailingCharacters(out)
// not long running
runCmd = exec.Command(dockerBinary, "run", "-d", "busybox", "true")
out, _, err = runCommandWithOutput(runCmd)
if err != nil {
t.Fatal(out, err)
}
thirdID := stripTrailingCharacters(out)
runCmd = exec.Command(dockerBinary, "run", "-d", "busybox", "top")
out, _, err = runCommandWithOutput(runCmd)
if err != nil {
t.Fatal(out, err)
}
fourthID := stripTrailingCharacters(out)
// make sure third one is not running
runCmd = exec.Command(dockerBinary, "wait", thirdID)
if out, _, err = runCommandWithOutput(runCmd); err != nil {
t.Fatal(out, err)
}
// all
runCmd = exec.Command(dockerBinary, "ps", "-a")
out, _, err = runCommandWithOutput(runCmd)
if err != nil {
t.Fatal(out, err)
}
if !assertContainerList(out, []string{fourthID, thirdID, secondID, firstID}) {
t.Error("Container list is not in the correct order")
}
// running
runCmd = exec.Command(dockerBinary, "ps")
out, _, err = runCommandWithOutput(runCmd)
if err != nil {
t.Fatal(out, err)
}
if !assertContainerList(out, []string{fourthID, secondID, firstID}) {
t.Error("Container list is not in the correct order")
}
// from here all flag '-a' is ignored
// limit
runCmd = exec.Command(dockerBinary, "ps", "-n=2", "-a")
out, _, err = runCommandWithOutput(runCmd)
if err != nil {
t.Fatal(out, err)
}
expected := []string{fourthID, thirdID}
if !assertContainerList(out, expected) {
t.Error("Container list is not in the correct order")
}
runCmd = exec.Command(dockerBinary, "ps", "-n=2")
out, _, err = runCommandWithOutput(runCmd)
if err != nil {
t.Fatal(out, err)
}
if !assertContainerList(out, expected) {
t.Error("Container list is not in the correct order")
}
// since
runCmd = exec.Command(dockerBinary, "ps", "--since", firstID, "-a")
out, _, err = runCommandWithOutput(runCmd)
if err != nil {
t.Fatal(out, err)
}
expected = []string{fourthID, thirdID, secondID}
if !assertContainerList(out, expected) {
t.Error("Container list is not in the correct order")
}
runCmd = exec.Command(dockerBinary, "ps", "--since", firstID)
out, _, err = runCommandWithOutput(runCmd)
if err != nil {
t.Fatal(out, err)
}
if !assertContainerList(out, expected) {
t.Error("Container list is not in the correct order")
}
// before
runCmd = exec.Command(dockerBinary, "ps", "--before", thirdID, "-a")
out, _, err = runCommandWithOutput(runCmd)
if err != nil {
t.Fatal(out, err)
}
expected = []string{secondID, firstID}
if !assertContainerList(out, expected) {
t.Error("Container list is not in the correct order")
}
runCmd = exec.Command(dockerBinary, "ps", "--before", thirdID)
out, _, err = runCommandWithOutput(runCmd)
if err != nil {
t.Fatal(out, err)
}
if !assertContainerList(out, expected) {
t.Error("Container list is not in the correct order")
}
// since & before
runCmd = exec.Command(dockerBinary, "ps", "--since", firstID, "--before", fourthID, "-a")
out, _, err = runCommandWithOutput(runCmd)
if err != nil {
t.Fatal(out, err)
}
expected = []string{thirdID, secondID}
if !assertContainerList(out, expected) {
t.Error("Container list is not in the correct order")
}
runCmd = exec.Command(dockerBinary, "ps", "--since", firstID, "--before", fourthID)
out, _, err = runCommandWithOutput(runCmd)
if err != nil {
t.Fatal(out, err)
}
if !assertContainerList(out, expected) {
t.Error("Container list is not in the correct order")
}
// since & limit
runCmd = exec.Command(dockerBinary, "ps", "--since", firstID, "-n=2", "-a")
out, _, err = runCommandWithOutput(runCmd)
if err != nil {
t.Fatal(out, err)
}
expected = []string{fourthID, thirdID}
if !assertContainerList(out, expected) {
t.Error("Container list is not in the correct order")
}
runCmd = exec.Command(dockerBinary, "ps", "--since", firstID, "-n=2")
out, _, err = runCommandWithOutput(runCmd)
if err != nil {
t.Fatal(out, err)
}
if !assertContainerList(out, expected) {
t.Error("Container list is not in the correct order")
}
// before & limit
runCmd = exec.Command(dockerBinary, "ps", "--before", fourthID, "-n=1", "-a")
out, _, err = runCommandWithOutput(runCmd)
if err != nil {
t.Fatal(out, err)
}
expected = []string{thirdID}
if !assertContainerList(out, expected) {
t.Error("Container list is not in the correct order")
}
runCmd = exec.Command(dockerBinary, "ps", "--before", fourthID, "-n=1")
out, _, err = runCommandWithOutput(runCmd)
if err != nil {
t.Fatal(out, err)
}
if !assertContainerList(out, expected) {
t.Error("Container list is not in the correct order")
}
// since & before & limit
runCmd = exec.Command(dockerBinary, "ps", "--since", firstID, "--before", fourthID, "-n=1", "-a")
out, _, err = runCommandWithOutput(runCmd)
if err != nil {
t.Fatal(out, err)
}
expected = []string{thirdID}
if !assertContainerList(out, expected) {
t.Error("Container list is not in the correct order")
}
runCmd = exec.Command(dockerBinary, "ps", "--since", firstID, "--before", fourthID, "-n=1")
out, _, err = runCommandWithOutput(runCmd)
if err != nil {
t.Fatal(out, err)
}
if !assertContainerList(out, expected) {
t.Error("Container list is not in the correct order")
}
deleteAllContainers()
logDone("ps - test ps options")
}
func assertContainerList(out string, expected []string) bool {
lines := strings.Split(strings.Trim(out, "\n "), "\n")
if len(lines)-1 != len(expected) {
return false
}
containerIDIndex := strings.Index(lines[0], "CONTAINER ID")
for i := 0; i < len(expected); i++ {
foundID := lines[i+1][containerIDIndex : containerIDIndex+12]
if foundID != expected[i][:12] {
return false
}
}
return true
}
func TestPsListContainersSize(t *testing.T) {
name := "test_size"
runCmd := exec.Command(dockerBinary, "run", "--name", name, "busybox", "sh", "-c", "echo 1 > test")
out, _, err := runCommandWithOutput(runCmd)
if err != nil {
t.Fatal(out, err)
}
id, err := getIDByName(name)
if err != nil {
t.Fatal(err)
}
runCmd = exec.Command(dockerBinary, "ps", "-s", "-n=1")
wait := make(chan struct{})
go func() {
out, _, err = runCommandWithOutput(runCmd)
close(wait)
}()
select {
case <-wait:
case <-time.After(3 * time.Second):
t.Fatalf("Calling \"docker ps -s\" timed out!")
}
if err != nil {
t.Fatal(out, err)
}
lines := strings.Split(strings.Trim(out, "\n "), "\n")
sizeIndex := strings.Index(lines[0], "SIZE")
idIndex := strings.Index(lines[0], "CONTAINER ID")
foundID := lines[1][idIndex : idIndex+12]
if foundID != id[:12] {
t.Fatalf("Expected id %s, got %s", id[:12], foundID)
}
expectedSize := "2 B"
foundSize := lines[1][sizeIndex:]
if foundSize != expectedSize {
t.Fatalf("Expected size %q, got %q", expectedSize, foundSize)
}
deleteAllContainers()
logDone("ps - test ps size")
}
func TestPsListContainersFilterStatus(t *testing.T) {
// FIXME: this should test paused, but it makes things hang and its wonky
// this is because paused containers can't be controlled by signals
// start exited container
runCmd := exec.Command(dockerBinary, "run", "-d", "busybox")
out, _, err := runCommandWithOutput(runCmd)
if err != nil {
t.Fatal(out, err)
}
firstID := stripTrailingCharacters(out)
// make sure the exited cintainer is not running
runCmd = exec.Command(dockerBinary, "wait", firstID)
if out, _, err = runCommandWithOutput(runCmd); err != nil {
t.Fatal(out, err)
}
// start running container
runCmd = exec.Command(dockerBinary, "run", "-d", "busybox", "sh", "-c", "sleep 360")
out, _, err = runCommandWithOutput(runCmd)
if err != nil {
t.Fatal(out, err)
}
secondID := stripTrailingCharacters(out)
// filter containers by exited
runCmd = exec.Command(dockerBinary, "ps", "-q", "--filter=status=exited")
out, _, err = runCommandWithOutput(runCmd)
if err != nil {
t.Fatal(out, err)
}
containerOut := strings.TrimSpace(out)
if containerOut != firstID[:12] {
t.Fatalf("Expected id %s, got %s for exited filter, output: %q", firstID[:12], containerOut, out)
}
runCmd = exec.Command(dockerBinary, "ps", "-a", "-q", "--filter=status=running")
out, _, err = runCommandWithOutput(runCmd)
if err != nil {
t.Fatal(out, err)
}
containerOut = strings.TrimSpace(out)
if containerOut != secondID[:12] {
t.Fatalf("Expected id %s, got %s for running filter, output: %q", secondID[:12], containerOut, out)
}
deleteAllContainers()
logDone("ps - test ps filter status")
}
func TestPsListContainersFilterID(t *testing.T) {
// start container
runCmd := exec.Command(dockerBinary, "run", "-d", "busybox")
out, _, err := runCommandWithOutput(runCmd)
if err != nil {
t.Fatal(out, err)
}
firstID := stripTrailingCharacters(out)
// start another container
runCmd = exec.Command(dockerBinary, "run", "-d", "busybox", "sh", "-c", "sleep 360")
if out, _, err = runCommandWithOutput(runCmd); err != nil {
t.Fatal(out, err)
}
// filter containers by id
runCmd = exec.Command(dockerBinary, "ps", "-a", "-q", "--filter=id="+firstID)
if out, _, err = runCommandWithOutput(runCmd); err != nil {
t.Fatal(out, err)
}
containerOut := strings.TrimSpace(out)
if containerOut != firstID[:12] {
t.Fatalf("Expected id %s, got %s for exited filter, output: %q", firstID[:12], containerOut, out)
}
deleteAllContainers()
logDone("ps - test ps filter id")
}
func TestPsListContainersFilterName(t *testing.T) {
// start container
runCmd := exec.Command(dockerBinary, "run", "-d", "--name=a_name_to_match", "busybox")
out, _, err := runCommandWithOutput(runCmd)
if err != nil {
t.Fatal(out, err)
}
firstID := stripTrailingCharacters(out)
// start another container
runCmd = exec.Command(dockerBinary, "run", "-d", "--name=b_name_to_match", "busybox", "sh", "-c", "sleep 360")
if out, _, err = runCommandWithOutput(runCmd); err != nil {
t.Fatal(out, err)
}
// filter containers by name
runCmd = exec.Command(dockerBinary, "ps", "-a", "-q", "--filter=name=a_name_to_match")
if out, _, err = runCommandWithOutput(runCmd); err != nil {
t.Fatal(out, err)
}
containerOut := strings.TrimSpace(out)
if containerOut != firstID[:12] {
t.Fatalf("Expected id %s, got %s for exited filter, output: %q", firstID[:12], containerOut, out)
}
deleteAllContainers()
logDone("ps - test ps filter name")
}
func TestPsListContainersFilterExited(t *testing.T) {
defer deleteAllContainers()
runCmd := exec.Command(dockerBinary, "run", "-d", "--name", "top", "busybox", "top")
if out, _, err := runCommandWithOutput(runCmd); err != nil {
t.Fatal(out, err)
}
runCmd = exec.Command(dockerBinary, "run", "--name", "zero1", "busybox", "true")
if out, _, err := runCommandWithOutput(runCmd); err != nil {
t.Fatal(out, err)
}
firstZero, err := getIDByName("zero1")
if err != nil {
t.Fatal(err)
}
runCmd = exec.Command(dockerBinary, "run", "--name", "zero2", "busybox", "true")
if out, _, err := runCommandWithOutput(runCmd); err != nil {
t.Fatal(out, err)
}
secondZero, err := getIDByName("zero2")
if err != nil {
t.Fatal(err)
}
runCmd = exec.Command(dockerBinary, "run", "--name", "nonzero1", "busybox", "false")
if out, _, err := runCommandWithOutput(runCmd); err == nil {
t.Fatal("Should fail.", out, err)
}
firstNonZero, err := getIDByName("nonzero1")
if err != nil {
t.Fatal(err)
}
runCmd = exec.Command(dockerBinary, "run", "--name", "nonzero2", "busybox", "false")
if out, _, err := runCommandWithOutput(runCmd); err == nil {
t.Fatal("Should fail.", out, err)
}
secondNonZero, err := getIDByName("nonzero2")
if err != nil {
t.Fatal(err)
}
// filter containers by exited=0
runCmd = exec.Command(dockerBinary, "ps", "-a", "-q", "--no-trunc", "--filter=exited=0")
out, _, err := runCommandWithOutput(runCmd)
if err != nil {
t.Fatal(out, err)
}
ids := strings.Split(strings.TrimSpace(out), "\n")
if len(ids) != 2 {
t.Fatalf("Should be 2 zero exited containerst got %d", len(ids))
}
if ids[0] != secondZero {
t.Fatalf("First in list should be %q, got %q", secondZero, ids[0])
}
if ids[1] != firstZero {
t.Fatalf("Second in list should be %q, got %q", firstZero, ids[1])
}
runCmd = exec.Command(dockerBinary, "ps", "-a", "-q", "--no-trunc", "--filter=exited=1")
out, _, err = runCommandWithOutput(runCmd)
if err != nil {
t.Fatal(out, err)
}
ids = strings.Split(strings.TrimSpace(out), "\n")
if len(ids) != 2 {
t.Fatalf("Should be 2 zero exited containerst got %d", len(ids))
}
if ids[0] != secondNonZero {
t.Fatalf("First in list should be %q, got %q", secondNonZero, ids[0])
}
if ids[1] != firstNonZero {
t.Fatalf("Second in list should be %q, got %q", firstNonZero, ids[1])
}
logDone("ps - test ps filter exited")
}