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moby--moby/integration-cli/docker_api_logs_test.go
Brian Goff 960b8d9294 Make TestLogsAPIStdout a bit less racey
Signed-off-by: Brian Goff <cpuguy83@gmail.com>
2017-05-19 10:17:54 -04:00

84 lines
2.4 KiB
Go

package main
import (
"bufio"
"fmt"
"net/http"
"strings"
"time"
"github.com/docker/docker/integration-cli/checker"
"github.com/docker/docker/integration-cli/request"
"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)
c.Assert(waitRun(id), checker.IsNil)
type logOut struct {
out string
err error
}
chLog := make(chan logOut)
res, body, err := request.Get(fmt.Sprintf("/containers/%s/logs?follow=1&stdout=1&timestamps=1", id))
c.Assert(err, checker.IsNil)
c.Assert(res.StatusCode, checker.Equals, http.StatusOK)
go func() {
defer body.Close()
out, err := bufio.NewReader(body).ReadString('\n')
if err != nil {
chLog <- logOut{"", err}
return
}
chLog <- logOut{strings.TrimSpace(out), err}
}()
select {
case l := <-chLog:
c.Assert(l.err, checker.IsNil)
if !strings.HasSuffix(l.out, "hello") {
c.Fatalf("expected log output to container 'hello', but it does not")
}
case <-time.After(30 * time.Second):
c.Fatal("timeout waiting for logs to exit")
}
}
func (s *DockerSuite) TestLogsAPINoStdoutNorStderr(c *check.C) {
name := "logs_test"
dockerCmd(c, "run", "-d", "-t", "--name", name, "busybox", "/bin/sh")
status, body, err := request.SockRequest("GET", fmt.Sprintf("/containers/%s/logs", name), nil, daemonHost())
c.Assert(status, checker.Equals, http.StatusBadRequest)
c.Assert(err, checker.IsNil)
expected := "Bad parameters: you must choose at least one stream"
c.Assert(getErrorMessage(c, body), checker.Contains, expected)
}
// Regression test for #12704
func (s *DockerSuite) TestLogsAPIFollowEmptyOutput(c *check.C) {
name := "logs_test"
t0 := time.Now()
dockerCmd(c, "run", "-d", "-t", "--name", name, "busybox", "sleep", "10")
_, body, err := request.Get(fmt.Sprintf("/containers/%s/logs?follow=1&stdout=1&stderr=1&tail=all", name))
t1 := time.Now()
c.Assert(err, checker.IsNil)
body.Close()
elapsed := t1.Sub(t0).Seconds()
if elapsed > 20.0 {
c.Fatalf("HTTP response was not immediate (elapsed %.1fs)", elapsed)
}
}
func (s *DockerSuite) TestLogsAPIContainerNotFound(c *check.C) {
name := "nonExistentContainer"
resp, _, err := request.Get(fmt.Sprintf("/containers/%s/logs?follow=1&stdout=1&stderr=1&tail=all", name))
c.Assert(err, checker.IsNil)
c.Assert(resp.StatusCode, checker.Equals, http.StatusNotFound)
}