docker/integration-cli/docker_api_logs_test.go

84 строки
2.3 KiB
Go

package main
import (
"bufio"
"bytes"
"fmt"
"net/http"
"os/exec"
"strings"
"time"
"github.com/go-check/check"
)
func (s *DockerSuite) TestLogsApiWithStdout(c *check.C) {
out, _ := dockerCmd(c, "run", "-d", "-t", "busybox", "/bin/sh", "-c", "while true; do echo hello; sleep 1; done")
id := strings.TrimSpace(out)
if err := waitRun(id); err != nil {
c.Fatal(err)
}
type logOut struct {
out string
res *http.Response
err error
}
chLog := make(chan logOut)
go func() {
res, body, err := sockRequestRaw("GET", fmt.Sprintf("/containers/%s/logs?follow=1&stdout=1&timestamps=1", id), nil, "")
out, _ := bufio.NewReader(body).ReadString('\n')
chLog <- logOut{strings.TrimSpace(out), res, err}
}()
select {
case l := <-chLog:
c.Assert(l.err, check.IsNil)
c.Assert(l.res.StatusCode, check.Equals, http.StatusOK)
if !strings.HasSuffix(l.out, "hello") {
c.Fatalf("expected log output to container 'hello', but it does not")
}
case <-time.After(2 * time.Second):
c.Fatal("timeout waiting for logs to exit")
}
}
func (s *DockerSuite) TestLogsApiNoStdoutNorStderr(c *check.C) {
name := "logs_test"
runCmd := exec.Command(dockerBinary, "run", "-d", "-t", "--name", name, "busybox", "/bin/sh")
if out, _, err := runCommandWithOutput(runCmd); err != nil {
c.Fatal(out, err)
}
status, body, err := sockRequest("GET", fmt.Sprintf("/containers/%s/logs", name), nil)
c.Assert(status, check.Equals, http.StatusBadRequest)
c.Assert(err, check.IsNil)
expected := "Bad parameters: you must choose at least one stream"
if !bytes.Contains(body, []byte(expected)) {
c.Fatalf("Expected %s, got %s", expected, string(body[:]))
}
}
// Regression test for #12704
func (s *DockerSuite) TestLogsApiFollowEmptyOutput(c *check.C) {
name := "logs_test"
t0 := time.Now()
runCmd := exec.Command(dockerBinary, "run", "-d", "-t", "--name", name, "busybox", "sleep", "10")
if out, _, err := runCommandWithOutput(runCmd); err != nil {
c.Fatal(out, err)
}
_, body, err := sockRequestRaw("GET", fmt.Sprintf("/containers/%s/logs?follow=1&stdout=1&stderr=1&tail=all", name), bytes.NewBuffer(nil), "")
t1 := time.Now()
body.Close()
if err != nil {
c.Fatal(err)
}
elapsed := t1.Sub(t0).Seconds()
if elapsed > 5.0 {
c.Fatalf("HTTP response was not immediate (elapsed %.1fs)", elapsed)
}
}