github.com/slava-ustovytski/docker@v1.8.2-rc1/integration-cli/docker_api_logs_test.go (about) 1 package main 2 3 import ( 4 "bufio" 5 "bytes" 6 "fmt" 7 "net/http" 8 "strings" 9 "time" 10 11 "github.com/go-check/check" 12 ) 13 14 func (s *DockerSuite) TestLogsApiWithStdout(c *check.C) { 15 out, _ := dockerCmd(c, "run", "-d", "-t", "busybox", "/bin/sh", "-c", "while true; do echo hello; sleep 1; done") 16 id := strings.TrimSpace(out) 17 if err := waitRun(id); err != nil { 18 c.Fatal(err) 19 } 20 21 type logOut struct { 22 out string 23 res *http.Response 24 err error 25 } 26 chLog := make(chan logOut) 27 28 go func() { 29 res, body, err := sockRequestRaw("GET", fmt.Sprintf("/containers/%s/logs?follow=1&stdout=1×tamps=1", id), nil, "") 30 if err != nil { 31 chLog <- logOut{"", nil, err} 32 return 33 } 34 defer body.Close() 35 out, err := bufio.NewReader(body).ReadString('\n') 36 if err != nil { 37 chLog <- logOut{"", nil, err} 38 return 39 } 40 chLog <- logOut{strings.TrimSpace(out), res, err} 41 }() 42 43 select { 44 case l := <-chLog: 45 c.Assert(l.err, check.IsNil) 46 c.Assert(l.res.StatusCode, check.Equals, http.StatusOK) 47 if !strings.HasSuffix(l.out, "hello") { 48 c.Fatalf("expected log output to container 'hello', but it does not") 49 } 50 case <-time.After(2 * time.Second): 51 c.Fatal("timeout waiting for logs to exit") 52 } 53 } 54 55 func (s *DockerSuite) TestLogsApiNoStdoutNorStderr(c *check.C) { 56 name := "logs_test" 57 dockerCmd(c, "run", "-d", "-t", "--name", name, "busybox", "/bin/sh") 58 59 status, body, err := sockRequest("GET", fmt.Sprintf("/containers/%s/logs", name), nil) 60 c.Assert(status, check.Equals, http.StatusBadRequest) 61 c.Assert(err, check.IsNil) 62 63 expected := "Bad parameters: you must choose at least one stream" 64 if !bytes.Contains(body, []byte(expected)) { 65 c.Fatalf("Expected %s, got %s", expected, string(body[:])) 66 } 67 } 68 69 // Regression test for #12704 70 func (s *DockerSuite) TestLogsApiFollowEmptyOutput(c *check.C) { 71 name := "logs_test" 72 t0 := time.Now() 73 dockerCmd(c, "run", "-d", "-t", "--name", name, "busybox", "sleep", "10") 74 75 _, body, err := sockRequestRaw("GET", fmt.Sprintf("/containers/%s/logs?follow=1&stdout=1&stderr=1&tail=all", name), bytes.NewBuffer(nil), "") 76 t1 := time.Now() 77 c.Assert(err, check.IsNil) 78 body.Close() 79 elapsed := t1.Sub(t0).Seconds() 80 if elapsed > 5.0 { 81 c.Fatalf("HTTP response was not immediate (elapsed %.1fs)", elapsed) 82 } 83 }