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moby--moby/integration-cli/docker_cli_wait_test.go
Vincent Demeester 799d9605d6 Remove/Comment time.Sleep in integration tests
Remove what seems unnecessary time.Sleep (1 second even) and comment the
ones that seemed necessary.

Signed-off-by: Vincent Demeester <vincent@sbr.pm>
2015-08-18 20:36:08 +02:00

107 lines
2.7 KiB
Go

package main
import (
"bytes"
"os/exec"
"strings"
"time"
"github.com/go-check/check"
)
// non-blocking wait with 0 exit code
func (s *DockerSuite) TestWaitNonBlockedExitZero(c *check.C) {
out, _ := dockerCmd(c, "run", "-d", "busybox", "sh", "-c", "true")
containerID := strings.TrimSpace(out)
if err := waitInspect(containerID, "{{.State.Running}}", "false", 1); err != nil {
c.Fatal("Container should have stopped by now")
}
out, _ = dockerCmd(c, "wait", containerID)
if strings.TrimSpace(out) != "0" {
c.Fatal("failed to set up container", out)
}
}
// blocking wait with 0 exit code
func (s *DockerSuite) TestWaitBlockedExitZero(c *check.C) {
out, _ := dockerCmd(c, "run", "-d", "busybox", "/bin/sh", "-c", "trap 'exit 0' TERM; while true; do sleep 0.01; done")
containerID := strings.TrimSpace(out)
c.Assert(waitRun(containerID), check.IsNil)
chWait := make(chan string)
go func() {
out, _, _ := runCommandWithOutput(exec.Command(dockerBinary, "wait", containerID))
chWait <- out
}()
time.Sleep(100 * time.Millisecond)
dockerCmd(c, "stop", containerID)
select {
case status := <-chWait:
if strings.TrimSpace(status) != "0" {
c.Fatalf("expected exit 0, got %s", status)
}
case <-time.After(2 * time.Second):
c.Fatal("timeout waiting for `docker wait` to exit")
}
}
// non-blocking wait with random exit code
func (s *DockerSuite) TestWaitNonBlockedExitRandom(c *check.C) {
out, _ := dockerCmd(c, "run", "-d", "busybox", "sh", "-c", "exit 99")
containerID := strings.TrimSpace(out)
if err := waitInspect(containerID, "{{.State.Running}}", "false", 1); err != nil {
c.Fatal("Container should have stopped by now")
}
out, _ = dockerCmd(c, "wait", containerID)
if strings.TrimSpace(out) != "99" {
c.Fatal("failed to set up container", out)
}
}
// blocking wait with random exit code
func (s *DockerSuite) TestWaitBlockedExitRandom(c *check.C) {
out, _ := dockerCmd(c, "run", "-d", "busybox", "/bin/sh", "-c", "trap 'exit 99' TERM; while true; do sleep 0.01; done")
containerID := strings.TrimSpace(out)
c.Assert(waitRun(containerID), check.IsNil)
chWait := make(chan error)
waitCmd := exec.Command(dockerBinary, "wait", containerID)
waitCmdOut := bytes.NewBuffer(nil)
waitCmd.Stdout = waitCmdOut
if err := waitCmd.Start(); err != nil {
c.Fatal(err)
}
go func() {
chWait <- waitCmd.Wait()
}()
dockerCmd(c, "stop", containerID)
select {
case err := <-chWait:
if err != nil {
c.Fatal(err)
}
status, err := waitCmdOut.ReadString('\n')
if err != nil {
c.Fatal(err)
}
if strings.TrimSpace(status) != "99" {
c.Fatalf("expected exit 99, got %s", status)
}
case <-time.After(2 * time.Second):
waitCmd.Process.Kill()
c.Fatal("timeout waiting for `docker wait` to exit")
}
}