docker/integration-cli/docker_hub_pull_suite_test.go

92 строки
2.7 KiB
Go

package main
import (
"os/exec"
"runtime"
"strings"
"github.com/go-check/check"
)
func init() {
// FIXME. Temporarily turning this off for Windows as GH16039 was breaking
// Windows to Linux CI @icecrime
if runtime.GOOS != "windows" {
check.Suite(newDockerHubPullSuite())
}
}
// DockerHubPullSuite provides a isolated daemon that doesn't have all the
// images that are baked into our 'global' test environment daemon (e.g.,
// busybox, httpserver, ...).
//
// We use it for push/pull tests where we want to start fresh, and measure the
// relative impact of each individual operation. As part of this suite, all
// images are removed after each test.
type DockerHubPullSuite struct {
d *Daemon
ds *DockerSuite
}
// newDockerHubPullSuite returns a new instance of a DockerHubPullSuite.
func newDockerHubPullSuite() *DockerHubPullSuite {
return &DockerHubPullSuite{
ds: &DockerSuite{},
}
}
// SetUpSuite starts the suite daemon.
func (s *DockerHubPullSuite) SetUpSuite(c *check.C) {
testRequires(c, DaemonIsLinux)
s.d = NewDaemon(c)
if err := s.d.Start(); err != nil {
c.Fatalf("starting push/pull test daemon: %v", err)
}
}
// TearDownSuite stops the suite daemon.
func (s *DockerHubPullSuite) TearDownSuite(c *check.C) {
if s.d != nil {
if err := s.d.Stop(); err != nil {
c.Fatalf("stopping push/pull test daemon: %v", err)
}
}
}
// SetUpTest declares that all tests of this suite require network.
func (s *DockerHubPullSuite) SetUpTest(c *check.C) {
testRequires(c, Network)
}
// TearDownTest removes all images from the suite daemon.
func (s *DockerHubPullSuite) TearDownTest(c *check.C) {
out := s.Cmd(c, "images", "-aq")
images := strings.Split(out, "\n")
images = append([]string{"-f"}, images...)
s.d.Cmd("rmi", images...)
s.ds.TearDownTest(c)
}
// Cmd executes a command against the suite daemon and returns the combined
// output. The function fails the test when the command returns an error.
func (s *DockerHubPullSuite) Cmd(c *check.C, name string, arg ...string) string {
out, err := s.CmdWithError(name, arg...)
c.Assert(err, check.IsNil, check.Commentf("%q failed with errors: %s, %v", strings.Join(arg, " "), out, err))
return out
}
// CmdWithError executes a command against the suite daemon and returns the
// combined output as well as any error.
func (s *DockerHubPullSuite) CmdWithError(name string, arg ...string) (string, error) {
c := s.MakeCmd(name, arg...)
b, err := c.CombinedOutput()
return string(b), err
}
// MakeCmd returns a exec.Cmd command to run against the suite daemon.
func (s *DockerHubPullSuite) MakeCmd(name string, arg ...string) *exec.Cmd {
args := []string{"--host", s.d.sock(), name}
args = append(args, arg...)
return exec.Command(dockerBinary, args...)
}