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Merge pull request #26020 from tonistiigi/fix-eventsbefore-test

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Fix flaky TestEventsContainerFilterBeforeCreate
This commit is contained in:
Vincent Demeester 2016-08-30 22:24:52 +02:00 • committed by GitHub
commit 73614f9f1e
1 changed files with 20 additions and 28 deletions
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48
integration-cli/docker_cli_events_unix_test.go
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@ -4,6 +4,7 @@ package main
import ( import (
"bufio" "bufio"
"bytes"
"fmt" "fmt"
"io/ioutil" "io/ioutil"
"os" "os"
@ -140,36 +141,27 @@ func (s *DockerSuite) TestEventsContainerFilterByName(c *check.C) {
// #18453 // #18453
func (s *DockerSuite) TestEventsContainerFilterBeforeCreate(c *check.C) { func (s *DockerSuite) TestEventsContainerFilterBeforeCreate(c *check.C) {
testRequires(c, DaemonIsLinux) testRequires(c, DaemonIsLinux)
var ( buf := &bytes.Buffer{}
out string cmd := exec.Command(dockerBinary, "events", "-f", "container=foo", "--since=0")
ch chan struct{} cmd.Stdout = buf
) c.Assert(cmd.Start(), check.IsNil)
ch = make(chan struct{}) defer cmd.Wait()
defer cmd.Process.Kill()
// calculate the time it takes to create and start a container and sleep 2 seconds // Sleep for a second to make sure we are testing the case where events are listened before container starts.
// this is to make sure the docker event will recevie the event of container time.Sleep(time.Second)
since := daemonTime(c) id, _ := dockerCmd(c, "run", "--name=foo", "-d", "busybox", "top")
id, _ := dockerCmd(c, "run", "-d", "busybox", "top")
cID := strings.TrimSpace(id) cID := strings.TrimSpace(id)
waitRun(cID) for i := 0; ; i++ {
time.Sleep(2 * time.Second) out := buf.String()
duration := daemonTime(c).Sub(since) if strings.Contains(out, cID) {
break
go func() { }
// start events and wait for future events to if i > 30 {
// make sure the new container shows up even when c.Fatalf("Missing event of container (foo, %v), got %q", cID, out)
// the event stream was created before the container. }
t := daemonTime(c).Add(2 * duration) time.Sleep(500 * time.Millisecond)
out, _ = dockerCmd(c, "events", "-f", "container=foo", "--since=0", "--until", parseEventTime(t)) }
close(ch)
}()
// Sleep 2 second to wait docker event to start
time.Sleep(2 * time.Second)
id, _ = dockerCmd(c, "run", "--name=foo", "-d", "busybox", "top")
cID = strings.TrimSpace(id)
waitRun(cID)
<-ch
c.Assert(out, checker.Contains, cID, check.Commentf("Missing event of container (foo)"))
} }
func (s *DockerSuite) TestVolumeEvents(c *check.C) { func (s *DockerSuite) TestVolumeEvents(c *check.C) {