github.com/sevki/docker@v1.7.1/integration-cli/docker_api_logs_test.go (about) 1 package main 2 3 import ( 4 "bufio" 5 "bytes" 6 "fmt" 7 "net/http" 8 "os/exec" 9 "strings" 10 "time" 11 12 "github.com/go-check/check" 13 ) 14 15 func (s *DockerSuite) TestLogsApiWithStdout(c *check.C) { 16 out, _ := dockerCmd(c, "run", "-d", "-t", "busybox", "/bin/sh", "-c", "while true; do echo hello; sleep 1; done") 17 id := strings.TrimSpace(out) 18 if err := waitRun(id); err != nil { 19 c.Fatal(err) 20 } 21 22 type logOut struct { 23 out string 24 res *http.Response 25 err error 26 } 27 chLog := make(chan logOut) 28 29 go func() { 30 res, body, err := sockRequestRaw("GET", fmt.Sprintf("/containers/%s/logs?follow=1&stdout=1×tamps=1", id), nil, "") 31 out, _ := bufio.NewReader(body).ReadString('\n') 32 chLog <- logOut{strings.TrimSpace(out), res, err} 33 }() 34 35 select { 36 case l := <-chLog: 37 c.Assert(l.err, check.IsNil) 38 c.Assert(l.res.StatusCode, check.Equals, http.StatusOK) 39 if !strings.HasSuffix(l.out, "hello") { 40 c.Fatalf("expected log output to container 'hello', but it does not") 41 } 42 case <-time.After(2 * time.Second): 43 c.Fatal("timeout waiting for logs to exit") 44 } 45 } 46 47 func (s *DockerSuite) TestLogsApiNoStdoutNorStderr(c *check.C) { 48 name := "logs_test" 49 runCmd := exec.Command(dockerBinary, "run", "-d", "-t", "--name", name, "busybox", "/bin/sh") 50 if out, _, err := runCommandWithOutput(runCmd); err != nil { 51 c.Fatal(out, err) 52 } 53 54 status, body, err := sockRequest("GET", fmt.Sprintf("/containers/%s/logs", name), nil) 55 c.Assert(status, check.Equals, http.StatusBadRequest) 56 c.Assert(err, check.IsNil) 57 58 expected := "Bad parameters: you must choose at least one stream" 59 if !bytes.Contains(body, []byte(expected)) { 60 c.Fatalf("Expected %s, got %s", expected, string(body[:])) 61 } 62 } 63 64 // Regression test for #12704 65 func (s *DockerSuite) TestLogsApiFollowEmptyOutput(c *check.C) { 66 name := "logs_test" 67 t0 := time.Now() 68 runCmd := exec.Command(dockerBinary, "run", "-d", "-t", "--name", name, "busybox", "sleep", "10") 69 if out, _, err := runCommandWithOutput(runCmd); err != nil { 70 c.Fatal(out, err) 71 } 72 73 _, body, err := sockRequestRaw("GET", fmt.Sprintf("/containers/%s/logs?follow=1&stdout=1&stderr=1&tail=all", name), bytes.NewBuffer(nil), "") 74 t1 := time.Now() 75 body.Close() 76 if err != nil { 77 c.Fatal(err) 78 } 79 elapsed := t1.Sub(t0).Seconds() 80 if elapsed > 5.0 { 81 c.Fatalf("HTTP response was not immediate (elapsed %.1fs)", elapsed) 82 } 83 }