Golang checker.Not函数代码示例

// Test case for 30027: image size reported as -1 in v1.12 client against v1.13 daemon.
// This test checks to make sure both v1.12 and v1.13 client against v1.13 daemon get correct `Size` after the fix.
func (s *DockerSuite) TestAPIImagesSizeCompatibility(c *check.C) {
	status, b, err := request.SockRequest("GET", "/images/json", nil, daemonHost())
	c.Assert(err, checker.IsNil)
	c.Assert(status, checker.Equals, http.StatusOK)
	var images []types.ImageSummary
	err = json.Unmarshal(b, &images)
	c.Assert(err, checker.IsNil)
	c.Assert(len(images), checker.Not(checker.Equals), 0)
	for _, image := range images {
		c.Assert(image.Size, checker.Not(checker.Equals), int64(-1))
	}

	type v124Image struct {
		ID          string `json:"Id"`
		ParentID    string `json:"ParentId"`
		RepoTags    []string
		RepoDigests []string
		Created     int64
		Size        int64
		VirtualSize int64
		Labels      map[string]string
	}
	status, b, err = request.SockRequest("GET", "/v1.24/images/json", nil, daemonHost())
	c.Assert(err, checker.IsNil)
	c.Assert(status, checker.Equals, http.StatusOK)
	var v124Images []v124Image
	err = json.Unmarshal(b, &v124Images)
	c.Assert(err, checker.IsNil)
	c.Assert(len(v124Images), checker.Not(checker.Equals), 0)
	for _, image := range v124Images {
		c.Assert(image.Size, checker.Not(checker.Equals), int64(-1))
	}
}

func (s *DockerSuite) TestLogsSinceFutureFollow(c *check.C) {
	// TODO Windows TP5 - Figure out why this test is so flakey. Disabled for now.
	testRequires(c, DaemonIsLinux)
	name := "testlogssincefuturefollow"
	out, _ := dockerCmd(c, "run", "-d", "--name", name, "busybox", "/bin/sh", "-c", `for i in $(seq 1 5); do echo log$i; sleep 1; done`)

	// Extract one timestamp from the log file to give us a starting point for
	// our `--since` argument. Because the log producer runs in the background,
	// we need to check repeatedly for some output to be produced.
	var timestamp string
	for i := 0; i != 100 && timestamp == ""; i++ {
		if out, _ = dockerCmd(c, "logs", "-t", name); out == "" {
			time.Sleep(time.Millisecond * 100) // Retry
		} else {
			timestamp = strings.Split(strings.Split(out, "\n")[0], " ")[0]
		}
	}

	c.Assert(timestamp, checker.Not(checker.Equals), "")
	t, err := time.Parse(time.RFC3339Nano, timestamp)
	c.Assert(err, check.IsNil)

	since := t.Unix() + 2
	out, _ = dockerCmd(c, "logs", "-t", "-f", fmt.Sprintf("--since=%v", since), name)
	c.Assert(out, checker.Not(checker.HasLen), 0, check.Commentf("cannot read from empty log"))
	lines := strings.Split(strings.TrimSpace(out), "\n")
	for _, v := range lines {
		ts, err := time.Parse(time.RFC3339Nano, strings.Split(v, " ")[0])
		c.Assert(err, checker.IsNil, check.Commentf("cannot parse timestamp output from log: '%v'", v))
		c.Assert(ts.Unix() >= since, checker.Equals, true, check.Commentf("earlier log found. since=%v logdate=%v", since, ts))
	}
}

func (s *DockerSuite) TestEventsFilterImageName(c *check.C) {
	since := daemonUnixTime(c)

	out, _ := dockerCmd(c, "run", "--name", "container_1", "-d", "busybox:latest", "true")
	container1 := strings.TrimSpace(out)

	out, _ = dockerCmd(c, "run", "--name", "container_2", "-d", "busybox", "true")
	container2 := strings.TrimSpace(out)

	name := "busybox"
	out, _ = dockerCmd(c, "events", "--since", since, "--until", daemonUnixTime(c), "--filter", fmt.Sprintf("image=%s", name))
	events := strings.Split(out, "\n")
	events = events[:len(events)-1]
	c.Assert(events, checker.Not(checker.HasLen), 0) //Expected events but found none for the image busybox:latest
	count1 := 0
	count2 := 0

	for _, e := range events {
		if strings.Contains(e, container1) {
			count1++
		} else if strings.Contains(e, container2) {
			count2++
		}
	}
	c.Assert(count1, checker.Not(checker.Equals), 0, check.Commentf("Expected event from container but got %d from %s", count1, container1))
	c.Assert(count2, checker.Not(checker.Equals), 0, check.Commentf("Expected event from container but got %d from %s", count2, container2))

}

func (s *DockerSwarmSuite) TestServiceCreateWithSecretSourceTarget(c *check.C) {
	d := s.AddDaemon(c, true, true)

	serviceName := "test-service-secret"
	testName := "test_secret"
	id := d.CreateSecret(c, swarm.SecretSpec{
		swarm.Annotations{
			Name: testName,
		},
		[]byte("TESTINGDATA"),
	})
	c.Assert(id, checker.Not(checker.Equals), "", check.Commentf("secrets: %s", id))
	testTarget := "testing"

	out, err := d.Cmd("service", "create", "--name", serviceName, "--secret", fmt.Sprintf("source=%s,target=%s", testName, testTarget), "busybox", "top")
	c.Assert(err, checker.IsNil, check.Commentf(out))

	out, err = d.Cmd("service", "inspect", "--format", "{{ json .Spec.TaskTemplate.ContainerSpec.Secrets }}", serviceName)
	c.Assert(err, checker.IsNil)

	var refs []swarm.SecretReference
	c.Assert(json.Unmarshal([]byte(out), &refs), checker.IsNil)
	c.Assert(refs, checker.HasLen, 1)

	c.Assert(refs[0].SecretName, checker.Equals, testName)
	c.Assert(refs[0].File, checker.Not(checker.IsNil))
	c.Assert(refs[0].File.Name, checker.Equals, testTarget)
}

func (s *DockerSuite) TestSaveLoadNoTag(c *check.C) {
	testRequires(c, DaemonIsLinux)

	name := "saveloadnotag"

	_, err := buildImage(name, "FROM busybox\nENV foo=bar", true)
	c.Assert(err, checker.IsNil, check.Commentf("%v", err))

	id := inspectField(c, name, "Id")

	// Test to make sure that save w/o name just shows imageID during load
	out, _, err := testutil.RunCommandPipelineWithOutput(
		exec.Command(dockerBinary, "save", id),
		exec.Command(dockerBinary, "load"))
	c.Assert(err, checker.IsNil, check.Commentf("failed to save and load repo: %s, %v", out, err))

	// Should not show 'name' but should show the image ID during the load
	c.Assert(out, checker.Not(checker.Contains), "Loaded image: ")
	c.Assert(out, checker.Contains, "Loaded image ID:")
	c.Assert(out, checker.Contains, id)

	// Test to make sure that save by name shows that name during load
	out, _, err = testutil.RunCommandPipelineWithOutput(
		exec.Command(dockerBinary, "save", name),
		exec.Command(dockerBinary, "load"))
	c.Assert(err, checker.IsNil, check.Commentf("failed to save and load repo: %s, %v", out, err))
	c.Assert(out, checker.Contains, "Loaded image: "+name+":latest")
	c.Assert(out, checker.Not(checker.Contains), "Loaded image ID:")
}

func (s *DockerDaemonSuite) TestPruneImageDangling(c *check.C) {
	s.d.StartWithBusybox(c)

	out, _, err := s.d.BuildImageWithOut("test",
		`FROM busybox
                 LABEL foo=bar`, true, "-q")
	c.Assert(err, checker.IsNil)
	id := strings.TrimSpace(out)

	out, err = s.d.Cmd("images", "-q", "--no-trunc")
	c.Assert(err, checker.IsNil)
	c.Assert(strings.TrimSpace(out), checker.Contains, id)

	out, err = s.d.Cmd("image", "prune", "--force")
	c.Assert(err, checker.IsNil)
	c.Assert(strings.TrimSpace(out), checker.Not(checker.Contains), id)

	out, err = s.d.Cmd("images", "-q", "--no-trunc")
	c.Assert(err, checker.IsNil)
	c.Assert(strings.TrimSpace(out), checker.Contains, id)

	out, err = s.d.Cmd("image", "prune", "--force", "--all")
	c.Assert(err, checker.IsNil)
	c.Assert(strings.TrimSpace(out), checker.Contains, id)

	out, err = s.d.Cmd("images", "-q", "--no-trunc")
	c.Assert(err, checker.IsNil)
	c.Assert(strings.TrimSpace(out), checker.Not(checker.Contains), id)
}

// test case for #23055
func (s *DockerSuite) TestSearchWithLimit(c *check.C) {
	testRequires(c, Network, DaemonIsLinux)

	limit := 10
	out, _, err := dockerCmdWithError("search", fmt.Sprintf("--limit=%d", limit), "docker")
	c.Assert(err, checker.IsNil)
	outSlice := strings.Split(out, "\n")
	c.Assert(outSlice, checker.HasLen, limit+2) // 1 header, 1 carriage return

	limit = 50
	out, _, err = dockerCmdWithError("search", fmt.Sprintf("--limit=%d", limit), "docker")
	c.Assert(err, checker.IsNil)
	outSlice = strings.Split(out, "\n")
	c.Assert(outSlice, checker.HasLen, limit+2) // 1 header, 1 carriage return

	limit = 100
	out, _, err = dockerCmdWithError("search", fmt.Sprintf("--limit=%d", limit), "docker")
	c.Assert(err, checker.IsNil)
	outSlice = strings.Split(out, "\n")
	c.Assert(outSlice, checker.HasLen, limit+2) // 1 header, 1 carriage return

	limit = 0
	out, _, err = dockerCmdWithError("search", fmt.Sprintf("--limit=%d", limit), "docker")
	c.Assert(err, checker.Not(checker.IsNil))

	limit = 200
	out, _, err = dockerCmdWithError("search", fmt.Sprintf("--limit=%d", limit), "docker")
	c.Assert(err, checker.Not(checker.IsNil))
}

func (s *DockerSuite) TestPsByOrder(c *check.C) {
	name1 := "xyz-abc"
	out, err := runSleepingContainer(c, "--name", name1)
	c.Assert(err, checker.NotNil)
	c.Assert(strings.TrimSpace(out), checker.Not(checker.Equals), "")
	container1 := strings.TrimSpace(out)

	name2 := "xyz-123"
	out, err = runSleepingContainer(c, "--name", name2)
	c.Assert(err, checker.NotNil)
	c.Assert(strings.TrimSpace(out), checker.Not(checker.Equals), "")
	container2 := strings.TrimSpace(out)

	name3 := "789-abc"
	out, err = runSleepingContainer(c, "--name", name3)
	c.Assert(err, checker.NotNil)
	c.Assert(strings.TrimSpace(out), checker.Not(checker.Equals), "")

	name4 := "789-123"
	out, err = runSleepingContainer(c, "--name", name4)
	c.Assert(err, checker.NotNil)
	c.Assert(strings.TrimSpace(out), checker.Not(checker.Equals), "")

	// Run multiple time should have the same result
	out, err = dockerCmd(c, "ps", "--no-trunc", "-q", "-f", "name=xyz")
	c.Assert(err, checker.NotNil)
	c.Assert(strings.TrimSpace(out), checker.Equals, fmt.Sprintf("%s\n%s", container2, container1))

	// Run multiple time should have the same result
	out, err = dockerCmd(c, "ps", "--no-trunc", "-q", "-f", "name=xyz")
	c.Assert(err, checker.NotNil)
	c.Assert(strings.TrimSpace(out), checker.Equals, fmt.Sprintf("%s\n%s", container2, container1))
}

func (s *DockerSwarmSuite) TestSecretCreateWithFile(c *check.C) {
	d := s.AddDaemon(c, true, true)

	testFile, err := ioutil.TempFile("", "secretCreateTest")
	c.Assert(err, checker.IsNil, check.Commentf("failed to create temporary file"))
	defer os.Remove(testFile.Name())

	testData := "TESTINGDATA"
	_, err = testFile.Write([]byte(testData))
	c.Assert(err, checker.IsNil, check.Commentf("failed to write to temporary file"))

	testName := "test_secret"
	out, err := d.Cmd("secret", "create", "--file", testFile.Name(), testName)
	c.Assert(err, checker.IsNil)
	c.Assert(strings.TrimSpace(out), checker.Not(checker.Equals), "", check.Commentf(out))

	id := strings.TrimSpace(out)
	secret := d.GetSecret(c, id)
	c.Assert(secret.Spec.Name, checker.Equals, testName)

	testName = "test_secret_2"
	out, err = d.Cmd("secret", "create", testName, "-f", testFile.Name())
	c.Assert(err, checker.IsNil)
	c.Assert(strings.TrimSpace(out), checker.Not(checker.Equals), "", check.Commentf(out))

	id = strings.TrimSpace(out)
	secret = d.GetSecret(c, id)
	c.Assert(secret.Spec.Name, checker.Equals, testName)
}

func (s *DockerSuite) TestInspectStopWhenNotFound(c *check.C) {
	runSleepingContainer(c, "--name=busybox", "-d")
	runSleepingContainer(c, "--name=not-shown", "-d")
	out, _, err := dockerCmdWithError("inspect", "--type=container", "--format='{{.Name}}'", "busybox", "missing", "not-shown")

	c.Assert(err, checker.Not(check.IsNil))
	c.Assert(out, checker.Contains, "busybox")
	c.Assert(out, checker.Not(checker.Contains), "not-shown")
	c.Assert(out, checker.Contains, "Error: No such container: missing")
}

func (s *DockerDaemonSuite) TestDaemonEventsWithFilters(c *check.C) {
	testRequires(c, SameHostDaemon, DaemonIsLinux)

	// daemon config file
	configFilePath := "test.json"
	configFile, err := os.Create(configFilePath)
	c.Assert(err, checker.IsNil)
	defer os.Remove(configFilePath)

	daemonConfig := `{"labels":["foo=bar"]}`
	fmt.Fprintf(configFile, "%s", daemonConfig)
	configFile.Close()
	s.d.Start(c, fmt.Sprintf("--config-file=%s", configFilePath))

	// Get daemon ID
	out, err := s.d.Cmd("info")
	c.Assert(err, checker.IsNil)
	daemonID := ""
	daemonName := ""
	for _, line := range strings.Split(out, "\n") {
		if strings.HasPrefix(line, "ID: ") {
			daemonID = strings.TrimPrefix(line, "ID: ")
		} else if strings.HasPrefix(line, "Name: ") {
			daemonName = strings.TrimPrefix(line, "Name: ")
		}
	}
	c.Assert(daemonID, checker.Not(checker.Equals), "")

	c.Assert(s.d.Signal(syscall.SIGHUP), checker.IsNil)

	time.Sleep(3 * time.Second)

	out, err = s.d.Cmd("events", "--since=0", "--until", daemonUnixTime(c), "--filter", fmt.Sprintf("daemon=%s", daemonID))
	c.Assert(err, checker.IsNil)
	c.Assert(out, checker.Contains, fmt.Sprintf("daemon reload %s", daemonID))

	out, err = s.d.Cmd("events", "--since=0", "--until", daemonUnixTime(c), "--filter", fmt.Sprintf("daemon=%s", daemonName))
	c.Assert(err, checker.IsNil)
	c.Assert(out, checker.Contains, fmt.Sprintf("daemon reload %s", daemonID))

	out, err = s.d.Cmd("events", "--since=0", "--until", daemonUnixTime(c), "--filter", "daemon=foo")
	c.Assert(err, checker.IsNil)
	c.Assert(out, checker.Not(checker.Contains), fmt.Sprintf("daemon reload %s", daemonID))

	out, err = s.d.Cmd("events", "--since=0", "--until", daemonUnixTime(c), "--filter", "type=daemon")
	c.Assert(err, checker.IsNil)
	c.Assert(out, checker.Contains, fmt.Sprintf("daemon reload %s", daemonID))

	out, err = s.d.Cmd("events", "--since=0", "--until", daemonUnixTime(c), "--filter", "type=container")
	c.Assert(err, checker.IsNil)
	c.Assert(out, checker.Not(checker.Contains), fmt.Sprintf("daemon reload %s", daemonID))
}

func (s *DockerSuite) TestPluginIDPrefix(c *check.C) {
	testRequires(c, DaemonIsLinux, Network)
	_, _, err := dockerCmdWithError("plugin", "install", "--disable", "--grant-all-permissions", pNameWithTag)
	c.Assert(err, checker.IsNil)

	// Find ID first
	id, _, err := dockerCmdWithError("plugin", "inspect", "-f", "{{.Id}}", pNameWithTag)
	id = strings.TrimSpace(id)
	c.Assert(err, checker.IsNil)

	// List current state
	out, _, err := dockerCmdWithError("plugin", "ls")
	c.Assert(err, checker.IsNil)
	c.Assert(out, checker.Contains, pName)
	c.Assert(out, checker.Contains, pTag)
	c.Assert(out, checker.Contains, "false")

	env, _ := dockerCmd(c, "plugin", "inspect", "-f", "{{.Settings.Env}}", id[:5])
	c.Assert(strings.TrimSpace(env), checker.Equals, "[DEBUG=0]")

	dockerCmd(c, "plugin", "set", id[:5], "DEBUG=1")

	env, _ = dockerCmd(c, "plugin", "inspect", "-f", "{{.Settings.Env}}", id[:5])
	c.Assert(strings.TrimSpace(env), checker.Equals, "[DEBUG=1]")

	// Enable
	_, _, err = dockerCmdWithError("plugin", "enable", id[:5])
	c.Assert(err, checker.IsNil)
	out, _, err = dockerCmdWithError("plugin", "ls")
	c.Assert(err, checker.IsNil)
	c.Assert(out, checker.Contains, pName)
	c.Assert(out, checker.Contains, pTag)
	c.Assert(out, checker.Contains, "true")

	// Disable
	_, _, err = dockerCmdWithError("plugin", "disable", id[:5])
	c.Assert(err, checker.IsNil)
	out, _, err = dockerCmdWithError("plugin", "ls")
	c.Assert(err, checker.IsNil)
	c.Assert(out, checker.Contains, pName)
	c.Assert(out, checker.Contains, pTag)
	c.Assert(out, checker.Contains, "false")

	// Remove
	out, _, err = dockerCmdWithError("plugin", "remove", id[:5])
	c.Assert(err, checker.IsNil)
	// List returns none
	out, _, err = dockerCmdWithError("plugin", "ls")
	c.Assert(err, checker.IsNil)
	c.Assert(out, checker.Not(checker.Contains), pName)
	c.Assert(out, checker.Not(checker.Contains), pTag)
}

func (s *DockerSuite) TestLinksPingLinkedContainersOnRename(c *check.C) {
	// Problematic on Windows as Windows does not support links
	testRequires(c, DaemonIsLinux)
	var out string
	out, _ = dockerCmd(c, "run", "-d", "--name", "container1", "busybox", "top")
	idA := strings.TrimSpace(out)
	c.Assert(idA, checker.Not(checker.Equals), "", check.Commentf("%s, id should not be nil", out))
	out, _ = dockerCmd(c, "run", "-d", "--link", "container1:alias1", "--name", "container2", "busybox", "top")
	idB := strings.TrimSpace(out)
	c.Assert(idB, checker.Not(checker.Equals), "", check.Commentf("%s, id should not be nil", out))

	dockerCmd(c, "exec", "container2", "ping", "-c", "1", "alias1", "-W", "1")
	dockerCmd(c, "rename", "container1", "container_new")
	dockerCmd(c, "exec", "container2", "ping", "-c", "1", "alias1", "-W", "1")
}

// Can't use localhost here since go has a special case to not use proxy if connecting to localhost
// See https://golang.org/pkg/net/http/#ProxyFromEnvironment
func (s *DockerDaemonSuite) TestCLIProxyProxyTCPSock(c *check.C) {
	testRequires(c, SameHostDaemon)
	// get the IP to use to connect since we can't use localhost
	addrs, err := net.InterfaceAddrs()
	c.Assert(err, checker.IsNil)
	var ip string
	for _, addr := range addrs {
		sAddr := addr.String()
		if !strings.Contains(sAddr, "127.0.0.1") {
			addrArr := strings.Split(sAddr, "/")
			ip = addrArr[0]
			break
		}
	}

	c.Assert(ip, checker.Not(checker.Equals), "")

	s.d.Start(c, "-H", "tcp://"+ip+":2375")

	icmd.RunCmd(icmd.Cmd{
		Command: []string{dockerBinary, "info"},
		Env:     []string{"DOCKER_HOST=tcp://" + ip + ":2375", "HTTP_PROXY=127.0.0.1:9999"},
	}).Assert(c, icmd.Expected{Error: "exit status 1", ExitCode: 1})
	// Test with no_proxy
	icmd.RunCmd(icmd.Cmd{
		Command: []string{dockerBinary, "info"},
		Env:     []string{"DOCKER_HOST=tcp://" + ip + ":2375", "HTTP_PROXY=127.0.0.1:9999", "NO_PROXY=" + ip},
	}).Assert(c, icmd.Success)
}

func (s *DockerSwarmSuite) TestServiceLogs(c *check.C) {
	testRequires(c, ExperimentalDaemon)

	d := s.AddDaemon(c, true, true)

	// we have multiple services here for detecting the goroutine issue #28915
	services := map[string]string{
		"TestServiceLogs1": "hello1",
		"TestServiceLogs2": "hello2",
	}

	for name, message := range services {
		out, err := d.Cmd("service", "create", "--name", name, "busybox",
			"sh", "-c", fmt.Sprintf("echo %s; tail -f /dev/null", message))
		c.Assert(err, checker.IsNil)
		c.Assert(strings.TrimSpace(out), checker.Not(checker.Equals), "")
	}

	// make sure task has been deployed.
	waitAndAssert(c, defaultReconciliationTimeout,
		d.CheckActiveContainerCount, checker.Equals, len(services))

	for name, message := range services {
		out, err := d.Cmd("service", "logs", name)
		c.Assert(err, checker.IsNil)
		c.Logf("log for %q: %q", name, out)
		c.Assert(out, checker.Contains, message)
	}
}