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docker_cli_events_test.go
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docker_cli_events_test.go
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package main
import (
"fmt"
"os/exec"
"strconv"
"strings"
"testing"
"time"
)
func TestEventsUntag(t *testing.T) {
out, _, _ := cmd(t, "images", "-q")
image := strings.Split(out, "\n")[0]
cmd(t, "tag", image, "utest:tag1")
cmd(t, "tag", image, "utest:tag2")
cmd(t, "rmi", "utest:tag1")
cmd(t, "rmi", "utest:tag2")
eventsCmd := exec.Command("timeout", "0.2", dockerBinary, "events", "--since=1")
out, _, _ = runCommandWithOutput(eventsCmd)
events := strings.Split(out, "\n")
n_events := len(events)
// The last element after the split above will be an empty string, so we
// get the two elements before the last, which are the untags we're
// looking for.
for _, v := range events[n_events-3 : n_events-1] {
if !strings.Contains(v, "untag") {
t.Fatalf("event should be untag, not %#v", v)
}
}
logDone("events - untags are logged")
}
func TestEventsPause(t *testing.T) {
out, _, _ := cmd(t, "images", "-q")
image := strings.Split(out, "\n")[0]
cmd(t, "run", "-d", "--name", "testeventpause", image, "sleep", "2")
cmd(t, "pause", "testeventpause")
cmd(t, "unpause", "testeventpause")
eventsCmd := exec.Command(dockerBinary, "events", "--since=0", fmt.Sprintf("--until=%d", time.Now().Unix()))
out, _, _ = runCommandWithOutput(eventsCmd)
events := strings.Split(out, "\n")
if len(events) <= 1 {
t.Fatalf("Missing expected event")
}
pauseEvent := strings.Fields(events[len(events)-3])
unpauseEvent := strings.Fields(events[len(events)-2])
if pauseEvent[len(pauseEvent)-1] != "pause" {
t.Fatalf("event should be pause, not %#v", pauseEvent)
}
if unpauseEvent[len(unpauseEvent)-1] != "unpause" {
t.Fatalf("event should be pause, not %#v", unpauseEvent)
}
logDone("events - pause/unpause is logged")
}
func TestEventsLimit(t *testing.T) {
for i := 0; i < 30; i++ {
cmd(t, "run", "busybox", "echo", strconv.Itoa(i))
}
eventsCmd := exec.Command(dockerBinary, "events", "--since=0", fmt.Sprintf("--until=%d", time.Now().Unix()))
out, _, _ := runCommandWithOutput(eventsCmd)
events := strings.Split(out, "\n")
n_events := len(events) - 1
if n_events != 64 {
t.Fatalf("events should be limited to 64, but received %d", n_events)
}
logDone("events - limited to 64 entries")
}
func TestEventsContainerEvents(t *testing.T) {
cmd(t, "run", "--rm", "busybox", "true")
eventsCmd := exec.Command(dockerBinary, "events", "--since=0", fmt.Sprintf("--until=%d", time.Now().Unix()))
out, exitCode, err := runCommandWithOutput(eventsCmd)
if exitCode != 0 || err != nil {
t.Fatalf("Failed to get events with exit code %d: %s", exitCode, err)
}
events := strings.Split(out, "\n")
events = events[:len(events)-1]
if len(events) < 4 {
t.Fatalf("Missing expected event")
}
createEvent := strings.Fields(events[len(events)-4])
startEvent := strings.Fields(events[len(events)-3])
dieEvent := strings.Fields(events[len(events)-2])
destroyEvent := strings.Fields(events[len(events)-1])
if createEvent[len(createEvent)-1] != "create" {
t.Fatalf("event should be create, not %#v", createEvent)
}
if startEvent[len(startEvent)-1] != "start" {
t.Fatalf("event should be pause, not %#v", startEvent)
}
if dieEvent[len(dieEvent)-1] != "die" {
t.Fatalf("event should be pause, not %#v", dieEvent)
}
if destroyEvent[len(destroyEvent)-1] != "destroy" {
t.Fatalf("event should be pause, not %#v", destroyEvent)
}
logDone("events - container create, start, die, destroy is logged")
}
func TestEventsImageUntagDelete(t *testing.T) {
name := "testimageevents"
defer deleteImages(name)
_, err := buildImage(name,
`FROM scratch
MAINTAINER "docker"`,
true)
if err != nil {
t.Fatal(err)
}
if err := deleteImages(name); err != nil {
t.Fatal(err)
}
eventsCmd := exec.Command(dockerBinary, "events", "--since=0", fmt.Sprintf("--until=%d", time.Now().Unix()))
out, exitCode, err := runCommandWithOutput(eventsCmd)
if exitCode != 0 || err != nil {
t.Fatalf("Failed to get events with exit code %d: %s", exitCode, err)
}
events := strings.Split(out, "\n")
t.Log(events)
events = events[:len(events)-1]
if len(events) < 2 {
t.Fatalf("Missing expected event")
}
untagEvent := strings.Fields(events[len(events)-2])
deleteEvent := strings.Fields(events[len(events)-1])
if untagEvent[len(untagEvent)-1] != "untag" {
t.Fatalf("untag should be untag, not %#v", untagEvent)
}
if deleteEvent[len(deleteEvent)-1] != "delete" {
t.Fatalf("delete should be delete, not %#v", deleteEvent)
}
logDone("events - image untag, delete is logged")
}