| package main |
| |
| import ( |
| "fmt" |
| "strings" |
| "time" |
| |
| "github.com/go-check/check" |
| ) |
| |
| func (s *DockerSuite) BenchmarkLogsCLIRotateFollow(c *check.C) { |
| out, _ := dockerCmd(c, "run", "-d", "--log-opt", "max-size=1b", "--log-opt", "max-file=10", "busybox", "sh", "-c", "while true; do usleep 50000; echo hello; done") |
| id := strings.TrimSpace(out) |
| ch := make(chan error, 1) |
| go func() { |
| ch <- nil |
| out, _, _ := dockerCmdWithError("logs", "-f", id) |
| // if this returns at all, it's an error |
| ch <- fmt.Errorf(out) |
| }() |
| |
| <-ch |
| select { |
| case <-time.After(30 * time.Second): |
| // ran for 30 seconds with no problem |
| return |
| case err := <-ch: |
| if err != nil { |
| c.Fatal(err) |
| } |
| } |
| } |