package main import ( "os/exec" "strings" "testing" "github.com/docker/docker/integration-cli/daemon" testdaemon "github.com/docker/docker/internal/test/daemon" "gotest.tools/assert" ) // DockerHubPullSuite provides an 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.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 *testing.T) { testRequires(c, DaemonIsLinux, testEnv.IsLocalDaemon) s.d = daemon.New(c, dockerBinary, dockerdBinary, testdaemon.WithEnvironment(testEnv.Execution)) s.d.Start(c) } // TearDownSuite stops the suite daemon. func (s *DockerHubPullSuite) TearDownSuite(c *testing.T) { if s.d != nil { s.d.Stop(c) } } // SetUpTest declares that all tests of this suite require network. func (s *DockerHubPullSuite) SetUpTest(c *testing.T) { testRequires(c, Network) } // TearDownTest removes all images from the suite daemon. func (s *DockerHubPullSuite) TearDownTest(c *testing.T) { out := s.Cmd(c, "images", "-aq") images := strings.Split(out, "\n") images = append([]string{"rmi", "-f"}, images...) s.d.Cmd(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 *testing.T, name string, arg ...string) string { out, err := s.CmdWithError(name, arg...) assert.Assert(c, err == nil, "%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 an 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...) }