Golang go-check.C類代碼示例

func (s *GitreceiveSuite) SetUpSuite(t *c.C) {
	// Unencrypted SSH private key for the flynn-test GitHub account.
	// Omits header/footer to avoid any GitHub auto-revoke key crawlers
	sshKey := `MIIEpAIBAAKCAQEA2UnQ/17TfzQRt4HInuP1SYz/tSNaCGO3NDIPLydVu8mmxuKT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`

	t.Assert(flynn(t, "/", "-a", "gitreceive", "env", "set",
		"SSH_CLIENT_HOSTS=github.com,192.30.252.131 ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAq2A7hRGmdnm9tUDbO9IDSwBK6TbQa+PXYPCPy6rbTrTtw7PHkccKrpp0yVhp5HdEIcKr6pLlVDBfOLX9QUsyCOV0wzfjIJNlGEYsdlLJizHhbn2mUjvSAHQqZETYP81eFzLQNnPHt4EVVUh7VfDESU84KezmD5QlWpXLmvU31/yMf+Se8xhHTvKSCZIFImWwoG6mbUoWf9nzpIoaSjB+weqqUUmpaaasXVal72J+UX2B+2RPW3RcT0eOzQgqlJL3RKrTJvdsjE3JEAvGq3lGHSZXy28G3skua2SmVi/w4yCE6gbODqnTWlg7+wC604ydGXA8VJiS5ap43JXiUFFAaQ==",
		fmt.Sprintf("SSH_CLIENT_KEY=-----BEGIN RSA PRIVATE KEY-----\n%s\n-----END RSA PRIVATE KEY-----\n", sshKey)),
		Succeeds)

}

func (s *ControllerSuite) TestExampleOutput(t *c.C) {
	examples := s.generateControllerExamples(t)
	exampleKeys := make([]string, 0, len(examples))
	skipExamples := []string{"migrate_cluster_domain"}
examplesLoop:
	for key := range examples {
		for _, skipKey := range skipExamples {
			if key == skipKey {
				continue examplesLoop
			}
		}
		exampleKeys = append(exampleKeys, key)
	}
	sort.Strings(exampleKeys)
	for _, key := range exampleKeys {
		cacheKey := "https://flynn.io/schema/examples/controller/" + key
		schema := s.schemaCache[cacheKey]
		if schema == nil {
			continue
		}
		data := examples[key]
		errs := schema.Validate(nil, data)
		var jsonData []byte
		if len(errs) > 0 {
			jsonData, _ = json.MarshalIndent(data, "", "\t")
		}
		t.Assert(errs, c.HasLen, 0, c.Commentf("%s validation errors: %v\ndata: %v\n", cacheKey, errs, string(jsonData)))
	}
}

func (s *HostSuite) TestAttachFinishedInteractiveJob(t *c.C) {
	cluster := s.clusterClient(t)

	// run a quick interactive job
	cmd := exec.CommandUsingCluster(cluster, exec.DockerImage(imageURIs["test-apps"]), "/bin/true")
	cmd.TTY = true
	runErr := make(chan error)
	go func() {
		runErr <- cmd.Run()
	}()
	select {
	case err := <-runErr:
		t.Assert(err, c.IsNil)
	case <-time.After(30 * time.Second):
		t.Fatal("timed out waiting for interactive job")
	}

	h, err := cluster.Host(cmd.HostID)
	t.Assert(err, c.IsNil)

	// Getting the logs for the job should fail, as it has none because it was
	// interactive
	attachErr := make(chan error)
	go func() {
		_, err = h.Attach(&host.AttachReq{JobID: cmd.Job.ID, Flags: host.AttachFlagLogs}, false)
		attachErr <- err
	}()
	select {
	case err := <-attachErr:
		t.Assert(err, c.NotNil)
	case <-time.After(time.Second):
		t.Error("timed out waiting for attach")
	}
}

func (s *HostSuite) TestResourceLimits(t *c.C) {
	cmd := exec.JobUsingCluster(
		s.clusterClient(t),
		exec.DockerImage(imageURIs["test-apps"]),
		&host.Job{
			Config:    host.ContainerConfig{Cmd: []string{"sh", "-c", resourceCmd}},
			Resources: testResources(),
		},
	)
	var out bytes.Buffer
	cmd.Stdout = &out

	runErr := make(chan error)
	go func() {
		runErr <- cmd.Run()
	}()
	select {
	case err := <-runErr:
		t.Assert(err, c.IsNil)
	case <-time.After(30 * time.Second):
		t.Fatal("timed out waiting for resource limits job")
	}

	assertResourceLimits(t, out.String())
}

func (s *SchedulerSuite) TestTCPApp(t *c.C) {
	app, _ := s.createApp(t)

	t.Assert(flynn(t, "/", "-a", app.Name, "scale", "echoer=1"), Succeeds)

	newRoute := flynn(t, "/", "-a", app.Name, "route", "add", "tcp", "-s", "echo-service")
	t.Assert(newRoute, Succeeds)
	t.Assert(newRoute.Output, Matches, `.+ on port \d+`)
	str := strings.Split(strings.TrimSpace(string(newRoute.Output)), " ")
	port := str[len(str)-1]

	// use Attempts to give the processes time to start
	if err := Attempts.Run(func() error {
		servAddr := routerIP + ":" + port
		conn, err := net.Dial("tcp", servAddr)
		if err != nil {
			return err
		}
		defer conn.Close()
		msg := []byte("hello there!\n")
		_, err = conn.Write(msg)
		if err != nil {
			return err
		}
		reply := make([]byte, len(msg))
		_, err = conn.Read(reply)
		if err != nil {
			return err
		}
		t.Assert(reply, c.DeepEquals, msg)
		return nil
	}); err != nil {
		t.Fatal(err)
	}
}

func waitForJobEvents(t *c.C, events chan *ct.JobEvent, expected jobEvents) (lastID int64, jobID string) {
	debugf(t, "waiting for job events: %v", expected)
	actual := make(jobEvents)
	for {
	inner:
		select {
		case event := <-events:
			debug(t, "got job event: ", event.Type, event.JobID, event.State)
			lastID = event.ID
			jobID = event.JobID
			if _, ok := actual[event.Type]; !ok {
				actual[event.Type] = make(map[string]int)
			}
			switch event.State {
			case "up":
				actual[event.Type]["up"] += 1
			case "down", "crashed":
				actual[event.Type]["down"] += 1
			default:
				break inner
			}
			if jobEventsEqual(expected, actual) {
				return
			}
		case <-time.After(60 * time.Second):
			t.Fatal("timed out waiting for job events: ", expected)
		}
	}
}

func (s *CLISuite) TestLogStderr(t *c.C) {
	app := s.newCliTestApp(t)
	t.Assert(app.flynn("run", "-d", "sh", "-c", "echo hello && echo world >&2"), Succeeds)
	app.waitFor(ct.JobEvents{"": {"up": 1, "down": 1}})
	runLog := func(split bool) (stdout, stderr bytes.Buffer) {
		args := []string{"log", "--raw-output"}
		if split {
			args = append(args, "--split-stderr")
		}
		args = append(args)
		log := app.flynnCmd(args...)
		log.Stdout = &stdout
		log.Stderr = &stderr
		t.Assert(log.Run(), c.IsNil, c.Commentf("STDERR = %q", stderr.String()))
		return
	}
	stdout, stderr := runLog(false)
	// non-deterministic order
	t.Assert(stdout.String(), Matches, "hello")
	t.Assert(stdout.String(), Matches, "world")
	t.Assert(stderr.String(), c.Equals, "")
	stdout, stderr = runLog(true)
	t.Assert(stdout.String(), c.Equals, "hello\n")
	t.Assert(stderr.String(), c.Equals, "world\n")
}

func (s *TaffyDeploySuite) deployWithTaffy(t *c.C, app *ct.App, github map[string]string) {
	client := s.controllerClient(t)

	taffyRelease, err := client.GetAppRelease("taffy")
	t.Assert(err, c.IsNil)

	rwc, err := client.RunJobAttached("taffy", &ct.NewJob{
		ReleaseID:  taffyRelease.ID,
		ReleaseEnv: true,
		Cmd: []string{
			app.Name,
			github["clone_url"],
			github["ref"],
			github["sha"],
		},
		Meta: map[string]string{
			"type":       "github",
			"user_login": github["user_login"],
			"repo_name":  github["repo_name"],
			"ref":        github["ref"],
			"sha":        github["sha"],
			"clone_url":  github["clone_url"],
			"app":        app.ID,
		},
	})
	t.Assert(err, c.IsNil)
	attachClient := cluster.NewAttachClient(rwc)
	var outBuf bytes.Buffer
	exit, err := attachClient.Receive(&outBuf, &outBuf)
	t.Log(outBuf.String())
	t.Assert(exit, c.Equals, 0)
	t.Assert(err, c.IsNil)
}

func (h *Helper) removeHosts(t *c.C, hosts []*tc.Instance) {
	debugf(t, "removing %d hosts", len(hosts))
	for _, host := range hosts {
		t.Assert(testCluster.RemoveHost(host), c.IsNil)
		debugf(t, "host removed: %s", host.ID)
	}
}

func (h *Helper) newSlugrunnerArtifact(t *c.C) *ct.Artifact {
	r, err := h.controllerClient(t).GetAppRelease("gitreceive")
	t.Assert(err, c.IsNil)
	slugrunnerURI := r.Processes["app"].Env["SLUGRUNNER_IMAGE_URI"]
	t.Assert(slugrunnerURI, c.Not(c.Equals), "")
	return &ct.Artifact{Type: "docker", URI: slugrunnerURI}
}

func (s *HealthcheckSuite) TestWithoutChecker(t *c.C) {
	// start app with a service but no checker
	app, _ := s.createAppWithService(t, "ping", &host.Service{
		Name:   "ping-without-checker",
		Create: true,
	})
	t.Assert(flynn(t, "/", "-a", app.Name, "scale", "ping=1"), Succeeds)
	// make sure app is registered and unregistered when the process terminates
	_, err := s.discoverdClient(t).Instances("ping-without-checker", 3*time.Second)
	t.Assert(err, c.IsNil)

	events := make(chan *discoverd.Event)
	stream, err := s.discoverdClient(t).Service("ping-without-checker").Watch(events)
	defer stream.Close()
	t.Assert(err, c.IsNil)

	t.Assert(flynn(t, "/", "-a", app.Name, "scale", "ping=0"), Succeeds)

outer:
	for {
		select {
		case e := <-events:
			if e.Kind != discoverd.EventKindDown {
				continue
			}
			break outer
		case <-time.After(time.Second * 30):
			t.Error("Timed out waiting for a down event!")
		}
	}
}

func (s *CLISuite) TestLog(t *c.C) {
	app := s.newCliTestApp(t)
	defer app.cleanup()
	t.Assert(app.flynn("run", "-d", "echo", "hello", "world"), Succeeds)
	app.waitFor(ct.JobEvents{"": {ct.JobStateUp: 1, ct.JobStateDown: 1}})
	t.Assert(app.flynn("log", "--raw-output"), Outputs, "hello world\n")
}

func (s *SchedulerSuite) TestJobMeta(t *c.C) {
	app, release := s.createApp(t)

	events := make(chan *ct.JobEvent)
	stream, err := s.controllerClient(t).StreamJobEvents(app.ID, 0, events)
	t.Assert(err, c.IsNil)
	defer stream.Close()

	// start 1 one-off job
	_, err = s.controllerClient(t).RunJobDetached(app.ID, &ct.NewJob{
		ReleaseID: release.ID,
		Cmd:       []string{"sh", "-c", "while true; do echo one-off-job; sleep 1; done"},
		Meta: map[string]string{
			"foo": "baz",
		},
	})
	t.Assert(err, c.IsNil)
	waitForJobEvents(t, stream, events, jobEvents{"": {"up": 1}})

	list, err := s.controllerClient(t).JobList(app.ID)
	t.Assert(err, c.IsNil)
	t.Assert(list, c.HasLen, 1)
	t.Assert(list[0].Meta, c.DeepEquals, map[string]string{
		"foo": "baz",
	})
}

func (h *Helper) discoverdClient(t *c.C) *discoverd.Client {
	if h.disc == nil {
		var err error
		h.disc, err = discoverd.NewClientWithAddr(routerIP + ":1111")
		t.Assert(err, c.IsNil)
	}
	return h.disc
}

func (h *Helper) clusterClient(t *c.C) *cluster.Client {
	if h.cluster == nil {
		var err error
		h.cluster, err = cluster.NewClientWithDial(nil, h.discoverdClient(t).NewServiceSet)
		t.Assert(err, c.IsNil)
	}
	return h.cluster
}