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- package main
- import (
- "bytes"
- "os/exec"
- "strings"
- "time"
- "github.com/go-check/check"
- )
- func (s *DockerSuite) TestStatsNoStream(c *check.C) {
- testRequires(c, DaemonIsLinux)
- out, _ := dockerCmd(c, "run", "-d", "busybox", "top")
- id := strings.TrimSpace(out)
- c.Assert(waitRun(id), check.IsNil)
- statsCmd := exec.Command(dockerBinary, "stats", "--no-stream", id)
- type output struct {
- out []byte
- err error
- }
- ch := make(chan output)
- go func() {
- out, err := statsCmd.Output()
- ch <- output{out, err}
- }()
- select {
- case outerr := <-ch:
- if outerr.err != nil {
- c.Fatalf("Error running stats: %v", outerr.err)
- }
- if !bytes.Contains(outerr.out, []byte(id)) {
- c.Fatalf("running container wasn't present in output")
- }
- case <-time.After(3 * time.Second):
- statsCmd.Process.Kill()
- c.Fatalf("stats did not return immediately when not streaming")
- }
- }
- func (s *DockerSuite) TestStatsContainerNotFound(c *check.C) {
- testRequires(c, DaemonIsLinux)
- out, _, err := dockerCmdWithError("stats", "notfound")
- c.Assert(err, check.NotNil)
- if !strings.Contains(out, "no such id: notfound") {
- c.Fatalf("Expected to fail on not found container stats, got %q instead", out)
- }
- out, _, err = dockerCmdWithError("stats", "--no-stream", "notfound")
- c.Assert(err, check.NotNil)
- if !strings.Contains(out, "no such id: notfound") {
- c.Fatalf("Expected to fail on not found container stats with --no-stream, got %q instead", out)
- }
- }
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