Golang check.Not函数代码示例

func (s *DockerTrustSuite) TestCreateWhenCertExpired(c *check.C) {
	c.Skip("Currently changes system time, causing instability")
	repoName := s.setupTrustedImage(c, "trusted-create-expired")

	// Certificates have 10 years of expiration
	elevenYearsFromNow := time.Now().Add(time.Hour * 24 * 365 * 11)

	runAtDifferentDate(elevenYearsFromNow, func() {
		// Try create
		createCmd := exec.Command(dockerBinary, "create", repoName)
		s.trustedCmd(createCmd)
		out, _, err := runCommandWithOutput(createCmd)
		c.Assert(err, check.Not(check.IsNil))
		c.Assert(string(out), checker.Contains, "could not validate the path to a trusted root", check.Commentf("Missing expected output on trusted create in the distant future:\n%s", out))
	})

	runAtDifferentDate(elevenYearsFromNow, func() {
		// Try create
		createCmd := exec.Command(dockerBinary, "create", "--disable-content-trust", repoName)
		s.trustedCmd(createCmd)
		out, _, err := runCommandWithOutput(createCmd)
		c.Assert(err, check.Not(check.IsNil))
		c.Assert(string(out), checker.Contains, "Status: Downloaded", check.Commentf("Missing expected output on trusted create in the distant future:\n%s", out))

	})
}

func (s *DockerSuite) TestGetContainerStatsRmRunning(c *check.C) {
	out, _ := dockerCmd(c, "run", "-d", "busybox", "top")
	id := strings.TrimSpace(out)

	buf := &channelBuffer{make(chan []byte, 1)}
	defer buf.Close()
	chErr := make(chan error)
	go func() {
		_, body, err := sockRequestRaw("GET", "/containers/"+id+"/stats?stream=1", nil, "application/json")
		if err != nil {
			chErr <- err
		}
		defer body.Close()
		_, err = io.Copy(buf, body)
		chErr <- err
	}()
	defer func() {
		c.Assert(<-chErr, check.IsNil)
	}()

	b := make([]byte, 32)
	// make sure we've got some stats
	_, err := buf.ReadTimeout(b, 2*time.Second)
	c.Assert(err, check.IsNil)

	// Now remove without `-f` and make sure we are still pulling stats
	_, _, err = dockerCmdWithError(c, "rm", id)
	c.Assert(err, check.Not(check.IsNil), check.Commentf("rm should have failed but didn't"))
	_, err = buf.ReadTimeout(b, 2*time.Second)
	c.Assert(err, check.IsNil)
	dockerCmd(c, "rm", "-f", id)

	_, err = buf.ReadTimeout(b, 2*time.Second)
	c.Assert(err, check.Not(check.IsNil))
}

func (s *DockerSuite) TestVolumeCliLsFilterDangling(c *check.C) {
	prefix := ""
	if daemonPlatform == "windows" {
		prefix = "c:"
	}
	dockerCmd(c, "volume", "create", "--name", "testnotinuse1")
	dockerCmd(c, "volume", "create", "--name", "testisinuse1")
	dockerCmd(c, "volume", "create", "--name", "testisinuse2")

	// Make sure both "created" (but not started), and started
	// containers are included in reference counting
	dockerCmd(c, "run", "--name", "volume-test1", "-v", "testisinuse1:"+prefix+"/foo", "busybox", "true")
	dockerCmd(c, "create", "--name", "volume-test2", "-v", "testisinuse2:"+prefix+"/foo", "busybox", "true")

	out, _ := dockerCmd(c, "volume", "ls")

	// No filter, all volumes should show
	c.Assert(out, checker.Contains, "testnotinuse1\n", check.Commentf("expected volume 'testnotinuse1' in output"))
	c.Assert(out, checker.Contains, "testisinuse1\n", check.Commentf("expected volume 'testisinuse1' in output"))
	c.Assert(out, checker.Contains, "testisinuse2\n", check.Commentf("expected volume 'testisinuse2' in output"))

	out, _ = dockerCmd(c, "volume", "ls", "--filter", "dangling=false")

	// Same as above, but explicitly disabling dangling
	c.Assert(out, checker.Contains, "testnotinuse1\n", check.Commentf("expected volume 'testnotinuse1' in output"))
	c.Assert(out, checker.Contains, "testisinuse1\n", check.Commentf("expected volume 'testisinuse1' in output"))
	c.Assert(out, checker.Contains, "testisinuse2\n", check.Commentf("expected volume 'testisinuse2' in output"))

	out, _ = dockerCmd(c, "volume", "ls", "--filter", "dangling=true")

	// Filter "dangling" volumes; only "dangling" (unused) volumes should be in the output
	c.Assert(out, checker.Contains, "testnotinuse1\n", check.Commentf("expected volume 'testnotinuse1' in output"))
	c.Assert(out, check.Not(checker.Contains), "testisinuse1\n", check.Commentf("volume 'testisinuse1' in output, but not expected"))
	c.Assert(out, check.Not(checker.Contains), "testisinuse2\n", check.Commentf("volume 'testisinuse2' in output, but not expected"))
}

// regression test for non-empty fields from #13901
func (s *DockerSuite) TestContainerPsOmitFields(c *check.C) {
	testRequires(c, DaemonIsLinux)
	name := "pstest"
	port := 80
	dockerCmd(c, "run", "-d", "--name", name, "--expose", strconv.Itoa(port), "busybox", "top")

	status, body, err := sockRequest("GET", "/containers/json?all=1", nil)
	c.Assert(err, check.IsNil)
	c.Assert(status, check.Equals, http.StatusOK)

	var resp []containerPs
	err = json.Unmarshal(body, &resp)
	c.Assert(err, check.IsNil)

	var foundContainer *containerPs
	for _, container := range resp {
		for _, testName := range container.Names {
			if "/"+name == testName {
				foundContainer = &container
				break
			}
		}
	}

	c.Assert(len(foundContainer.Ports), check.Equals, 1)
	c.Assert(foundContainer.Ports[0]["PrivatePort"], check.Equals, float64(port))
	_, ok := foundContainer.Ports[0]["PublicPort"]
	c.Assert(ok, check.Not(check.Equals), true)
	_, ok = foundContainer.Ports[0]["IP"]
	c.Assert(ok, check.Not(check.Equals), true)
}

func (s *CheckSuite) TestCreateSimple(c *check.C) {
	project := setupTest(c)

	container := project.Create(c, "busybox")

	c.Assert(container.ID, check.Not(check.Equals), "")
	c.Assert(strings.HasPrefix(container.Name, "kermit_"), check.Not(check.Equals), true)
}

// TestV1 starts a daemon in 'normal' mode
// and ensure v1 endpoints are hit for the following operations:
// login, push, pull, build & run
func (s *DockerRegistrySuite) TestV1(c *check.C) {
	reg, err := newTestRegistry(c)
	c.Assert(err, check.IsNil)

	v2Pings := 0
	reg.registerHandler("/v2/", func(w http.ResponseWriter, r *http.Request) {
		v2Pings++
		// V2 ping 404 causes fallback to v1
		w.WriteHeader(404)
	})

	v1Pings := 0
	reg.registerHandler("/v1/_ping", func(w http.ResponseWriter, r *http.Request) {
		v1Pings++
	})

	v1Logins := 0
	reg.registerHandler("/v1/users/", func(w http.ResponseWriter, r *http.Request) {
		v1Logins++
	})

	v1Repo := 0
	reg.registerHandler("/v1/repositories/busybox/", func(w http.ResponseWriter, r *http.Request) {
		v1Repo++
	})

	reg.registerHandler("/v1/repositories/busybox/images", func(w http.ResponseWriter, r *http.Request) {
		v1Repo++
	})

	err = s.d.Start("--insecure-registry", reg.hostport, "--disable-legacy-registry=false")
	c.Assert(err, check.IsNil)

	dockerfileName, cleanup, err := makefile(fmt.Sprintf("FROM %s/busybox", reg.hostport))
	c.Assert(err, check.IsNil, check.Commentf("Unable to create test dockerfile"))
	defer cleanup()

	s.d.Cmd("build", "--file", dockerfileName, ".")
	c.Assert(v1Repo, check.Not(check.Equals), 0, check.Commentf("Expected v1 repository access after build"))

	repoName := fmt.Sprintf("%s/busybox", reg.hostport)
	s.d.Cmd("run", repoName)
	c.Assert(v1Repo, check.Not(check.Equals), 1, check.Commentf("Expected v1 repository access after run"))

	s.d.Cmd("login", "-u", "richard", "-p", "testtest", "-e", "[email protected]", reg.hostport)
	c.Assert(v1Logins, check.Not(check.Equals), 0, check.Commentf("Expected v1 login attempt"))

	s.d.Cmd("tag", "busybox", repoName)
	s.d.Cmd("push", repoName)

	c.Assert(v1Repo, check.Equals, 2)
	c.Assert(v1Pings, check.Equals, 1)

	s.d.Cmd("pull", repoName)
	c.Assert(v1Repo, check.Equals, 3, check.Commentf("Expected v1 repository access after pull"))

}

func (s *DockerSuite) TestInspectSizeFlagContainer(c *check.C) {
	dockerCmd(c, "run", "--name=busybox", "-d", "busybox", "top")

	formatStr := "--format='{{.SizeRw}},{{.SizeRootFs}}'"
	out, _ := dockerCmd(c, "inspect", "-s", "--type=container", formatStr, "busybox")
	sz := strings.Split(out, ",")

	c.Assert(strings.TrimSpace(sz[0]), check.Not(check.Equals), "<nil>")
	c.Assert(strings.TrimSpace(sz[1]), check.Not(check.Equals), "<nil>")
}

func (s *DockerSuite) TestInspectTempateError(c *check.C) {
	// Template parsing error for both the container and image.

	dockerCmd(c, "run", "--name=container1", "-d", "busybox", "top")

	out, _, err := dockerCmdWithError("inspect", "--type=container", "--format='Format container: {{.ThisDoesNotExist}}'", "container1")
	c.Assert(err, check.Not(check.IsNil))
	c.Assert(out, checker.Contains, "Template parsing error")

	out, _, err = dockerCmdWithError("inspect", "--type=image", "--format='Format container: {{.ThisDoesNotExist}}'", "busybox")
	c.Assert(err, check.Not(check.IsNil))
	c.Assert(out, checker.Contains, "Template parsing error")
}

func (s *DockerSuite) TestInspectSizeFlagContainer(c *check.C) {

	//Both the container and image are named busybox. docker inspect will fetch container
	//JSON SizeRw and SizeRootFs field. If there is a flag --size/-s, the fields are not <no value>.

	dockerCmd(c, "run", "--name=busybox", "-d", "busybox", "top")

	formatStr := fmt.Sprintf("--format='{{.SizeRw}},{{.SizeRootFs}}'")
	out, _ := dockerCmd(c, "inspect", "-s", "--type=container", formatStr, "busybox")
	sz := strings.Split(out, ",")

	c.Assert(strings.TrimSpace(sz[0]), check.Not(check.Equals), "<nil>")
	c.Assert(strings.TrimSpace(sz[1]), check.Not(check.Equals), "<nil>")
}

func (s *DockerSchema1RegistrySuite) TestCrossRepositoryLayerPushNotSupported(c *check.C) {
	sourceRepoName := fmt.Sprintf("%v/dockercli/busybox", privateRegistryURL)
	// tag the image to upload it to the private registry
	dockerCmd(c, "tag", "busybox", sourceRepoName)
	// push the image to the registry
	out1, _, err := dockerCmdWithError("push", sourceRepoName)
	c.Assert(err, check.IsNil, check.Commentf("pushing the image to the private registry has failed: %s", out1))
	// ensure that none of the layers were mounted from another repository during push
	c.Assert(strings.Contains(out1, "Mounted from"), check.Equals, false)

	digest1 := reference.DigestRegexp.FindString(out1)
	c.Assert(len(digest1), checker.GreaterThan, 0, check.Commentf("no digest found for pushed manifest"))

	destRepoName := fmt.Sprintf("%v/dockercli/crossrepopush", privateRegistryURL)
	// retag the image to upload the same layers to another repo in the same registry
	dockerCmd(c, "tag", "busybox", destRepoName)
	// push the image to the registry
	out2, _, err := dockerCmdWithError("push", destRepoName)
	c.Assert(err, check.IsNil, check.Commentf("pushing the image to the private registry has failed: %s", out2))
	// schema1 registry should not support cross-repo layer mounts, so ensure that this does not happen
	c.Assert(strings.Contains(out2, "Mounted from"), check.Equals, false)

	digest2 := reference.DigestRegexp.FindString(out2)
	c.Assert(len(digest2), checker.GreaterThan, 0, check.Commentf("no digest found for pushed manifest"))
	c.Assert(digest1, check.Not(check.Equals), digest2)

	// ensure that we can pull and run the second pushed repository
	dockerCmd(c, "rmi", destRepoName)
	dockerCmd(c, "pull", destRepoName)
	out3, _ := dockerCmd(c, "run", destRepoName, "echo", "-n", "hello world")
	c.Assert(out3, check.Equals, "hello world")
}

func (s *DockerTrustSuite) TestCreateWhenCertExpired(c *check.C) {
	c.Skip("Currently changes system time, causing instability")
	repoName := s.setupTrustedImage(c, "trusted-create-expired")

	// Certificates have 10 years of expiration
	elevenYearsFromNow := time.Now().Add(time.Hour * 24 * 365 * 11)

	testutil.RunAtDifferentDate(elevenYearsFromNow, func() {
		// Try create
		icmd.RunCmd(icmd.Cmd{
			Command: []string{dockerBinary, "create", repoName},
		}, trustedCmd).Assert(c, icmd.Expected{
			ExitCode: 1,
			Err:      "could not validate the path to a trusted root",
		})
	})

	testutil.RunAtDifferentDate(elevenYearsFromNow, func() {
		// Try create
		result := icmd.RunCmd(icmd.Command(dockerBinary, "create", "--disable-content-trust", repoName), trustedCmd)
		c.Assert(result.Error, check.Not(check.IsNil))
		c.Assert(string(result.Combined()), checker.Contains, "Status: Downloaded", check.Commentf("Missing expected output on trusted create in the distant future:\n%s", result.Combined()))

	})
}

func (s *DockerSuite) TestVolumeCliLsFilterLabels(c *check.C) {
	testVol1 := "testvolcreatelabel-1"
	out, _, err := dockerCmdWithError("volume", "create", "--label", "foo=bar1", "--name", testVol1)
	c.Assert(err, check.IsNil)

	testVol2 := "testvolcreatelabel-2"
	out, _, err = dockerCmdWithError("volume", "create", "--label", "foo=bar2", "--name", testVol2)
	c.Assert(err, check.IsNil)

	out, _ = dockerCmd(c, "volume", "ls", "--filter", "label=foo")

	// filter with label=key
	c.Assert(out, checker.Contains, "testvolcreatelabel-1\n", check.Commentf("expected volume 'testvolcreatelabel-1' in output"))
	c.Assert(out, checker.Contains, "testvolcreatelabel-2\n", check.Commentf("expected volume 'testvolcreatelabel-2' in output"))

	out, _ = dockerCmd(c, "volume", "ls", "--filter", "label=foo=bar1")

	// filter with label=key=value
	c.Assert(out, checker.Contains, "testvolcreatelabel-1\n", check.Commentf("expected volume 'testvolcreatelabel-1' in output"))
	c.Assert(out, check.Not(checker.Contains), "testvolcreatelabel-2\n", check.Commentf("expected volume 'testvolcreatelabel-2 in output"))

	out, _ = dockerCmd(c, "volume", "ls", "--filter", "label=non-exist")
	outArr := strings.Split(strings.TrimSpace(out), "\n")
	c.Assert(len(outArr), check.Equals, 1, check.Commentf("\n%s", out))

	out, _ = dockerCmd(c, "volume", "ls", "--filter", "label=foo=non-exist")
	outArr = strings.Split(strings.TrimSpace(out), "\n")
	c.Assert(len(outArr), check.Equals, 1, check.Commentf("\n%s", out))
}

// NewDaemon returns a Daemon instance to be used for testing.
// This will create a directory such as d123456789 in the folder specified by $DEST.
// The daemon will not automatically start.
func NewDaemon(c *check.C) *Daemon {
	dest := os.Getenv("DEST")
	c.Assert(dest, check.Not(check.Equals), "", check.Commentf("Please set the DEST environment variable"))

	err := os.MkdirAll(daemonSockRoot, 0700)
	c.Assert(err, checker.IsNil, check.Commentf("could not create daemon socket root"))

	id := fmt.Sprintf("d%s", stringid.TruncateID(stringid.GenerateRandomID()))
	dir := filepath.Join(dest, id)
	daemonFolder, err := filepath.Abs(dir)
	c.Assert(err, check.IsNil, check.Commentf("Could not make %q an absolute path", dir))
	daemonRoot := filepath.Join(daemonFolder, "root")

	c.Assert(os.MkdirAll(daemonRoot, 0755), check.IsNil, check.Commentf("Could not create daemon root %q", dir))

	userlandProxy := true
	if env := os.Getenv("DOCKER_USERLANDPROXY"); env != "" {
		if val, err := strconv.ParseBool(env); err != nil {
			userlandProxy = val
		}
	}

	return &Daemon{
		id:            id,
		c:             c,
		folder:        daemonFolder,
		root:          daemonRoot,
		storageDriver: os.Getenv("DOCKER_GRAPHDRIVER"),
		userlandProxy: userlandProxy,
		execRoot:      filepath.Join(os.TempDir(), "docker-execroot", id),
	}
}

func (s *StreamHandlerSuite) TestStreamUntilRemoved(c *check.C) {
	var l string
	var err error

	// Create a second file in the same directory
	tbd := filepath.Join(filepath.Dir(s.FileName), "to_be_deleted")
	_, err = os.Create(tbd)
	c.Check(err, check.IsNil)

	res := s.Get(c)
	c.Check(res.StatusCode, check.Equals, 200)

	r := bufio.NewReader(res.Body)

	// Write before remove
	s.Printf(c, "hello\n")

	// Remove second file - this should not cause a fail
	err = os.Remove(tbd)
	c.Check(err, check.IsNil)

	// Read bytes written before remove
	l, err = r.ReadString('\n')
	c.Check(err, check.IsNil)
	c.Check(l, check.Equals, "hello\n")

	// Remove
	err = os.Remove(s.FileName)
	c.Assert(err, check.IsNil)

	// Read EOF
	l, err = r.ReadString('\n')
	c.Check(err, check.Not(check.IsNil))
	c.Check(l, check.Equals, "")
}

func (s *DockerSuite) TestEventsFilterLabels(c *check.C) {
	testRequires(c, DaemonIsLinux)
	since := daemonTime(c).Unix()
	label := "io.docker.testing=foo"

	out, _ := dockerCmd(c, "run", "-d", "-l", label, "busybox:latest", "true")
	container1 := strings.TrimSpace(out)

	out, _ = dockerCmd(c, "run", "-d", "busybox", "true")
	container2 := strings.TrimSpace(out)

	out, _ = dockerCmd(
		c,
		"events",
		fmt.Sprintf("--since=%d", since),
		fmt.Sprintf("--until=%d", daemonTime(c).Unix()),
		"--filter", fmt.Sprintf("label=%s", label))

	events := strings.Split(strings.TrimSpace(out), "\n")
	c.Assert(len(events), checker.Equals, 3)

	for _, e := range events {
		c.Assert(e, checker.Contains, container1)
		c.Assert(e, check.Not(checker.Contains), container2)
	}
}