Golang C.Fatalf方法代码示例

func assertNotReplied(c *gc.C, req *request) {
	select {
	case v := <-req.reply:
		c.Fatalf("request was unexpectedly replied to (got %v)", v)
	default:
	}
}

func (s *S) TestContainerCommitRemovesOldImages(c *gocheck.C) {
	appName := "commit-remove-test-app"
	cont, err := s.newContainer(&newContainerOpts{AppName: appName})
	c.Assert(err, gocheck.IsNil)
	defer s.removeTestContainer(cont)
	imageId, err := cont.commit()
	c.Assert(err, gocheck.IsNil)
	repoNamespace, _ := config.GetString("docker:repository-namespace")
	repository := repoNamespace + "/" + cont.AppName
	c.Assert(imageId, gocheck.Equals, repository)
	images, err := dockerCluster().ListImages(true)
	c.Assert(err, gocheck.IsNil)
	var toEraseID string
	for _, image := range images {
		if len(image.RepoTags) > 0 && image.RepoTags[0] == "tsuru/"+appName {
			toEraseID = image.ID
			break
		}
	}
	c.Assert(toEraseID, gocheck.Not(gocheck.Equals), "")
	cont, err = s.newContainer(&newContainerOpts{AppName: appName})
	c.Assert(err, gocheck.IsNil)
	defer s.removeTestContainer(cont)
	_, err = cont.commit()
	c.Assert(err, gocheck.IsNil)
	images, err = dockerCluster().ListImages(true)
	c.Assert(err, gocheck.IsNil)
	for _, image := range images {
		if image.ID == toEraseID {
			c.Fatalf("Image id %q shouldn't be in images list.", toEraseID)
		}
	}
}

// Test that MachineAgent enforces the API password on startup even for machine>0
func (s *UpgradeValidationMachineSuite) TestAgentEnsuresAPIInfoOnWorkers(c *gc.C) {
	// create a machine-0, then create a new machine-1
	_, _ = s.Create1_10Machine(c)
	m1, _ := s.Create1_10Machine(c)

	a := &MachineAgent{}
	s.initAgent(c, a, "--machine-id", m1.Id())

	agentStates := make(chan *state.State, 1000)
	undo := sendOpenedStates(agentStates)
	defer undo()

	done := make(chan error)
	go func() {
		done <- a.Run(nil)
	}()

	select {
	case agentState := <-agentStates:
		c.Assert(agentState, gc.NotNil)
		c.Assert(a.Conf.Conf.APIInfo.Password, gc.Equals, "machine-password")
	case <-time.After(testing.LongWait):
		c.Fatalf("state not opened")
	}
	err := a.Stop()
	c.Assert(err, gc.IsNil)
	c.Assert(<-done, gc.IsNil)
}

func (s *MachineSuite) TestMachineAgentRunsAPIAddressUpdaterWorker(c *gc.C) {
	// Start the machine agent.
	m, _, _ := s.primeAgent(c, version.Current, state.JobHostUnits)
	a := s.newAgent(c, m)
	go func() { c.Check(a.Run(nil), gc.IsNil) }()
	defer func() { c.Check(a.Stop(), gc.IsNil) }()

	// Update the API addresses.
	updatedServers := [][]instance.HostPort{instance.AddressesWithPort(
		instance.NewAddresses("localhost"), 1234,
	)}
	err := s.BackingState.SetAPIHostPorts(updatedServers)
	c.Assert(err, gc.IsNil)

	// Wait for config to be updated.
	s.BackingState.StartSync()
	for attempt := coretesting.LongAttempt.Start(); attempt.Next(); {
		addrs, err := a.CurrentConfig().APIAddresses()
		c.Assert(err, gc.IsNil)
		if reflect.DeepEqual(addrs, []string{"localhost:1234"}) {
			return
		}
	}
	c.Fatalf("timeout while waiting for agent config to change")
}

func (s *clientSuite) TestShareEnvironmentExistingUser(c *gc.C) {
	client := s.APIState.Client()
	user := s.Factory.MakeEnvUser(c, nil)
	cleanup := api.PatchClientFacadeCall(client,
		func(request string, paramsIn interface{}, response interface{}) error {
			if users, ok := paramsIn.(params.ModifyEnvironUsers); ok {
				c.Assert(users.Changes, gc.HasLen, 1)
				c.Logf(string(users.Changes[0].Action), gc.Equals, string(params.AddEnvUser))
				c.Logf(users.Changes[0].UserTag, gc.Equals, user.UserTag().String())
			} else {
				c.Fatalf("wrong input structure")
			}
			if result, ok := response.(*params.ErrorResults); ok {
				err := &params.Error{Message: "failed to create environment user: env user already exists"}
				*result = params.ErrorResults{Results: []params.ErrorResult{{Error: err}}}
			} else {
				c.Fatalf("wrong input structure")
			}
			return nil
		},
	)
	defer cleanup()

	result, err := client.ShareEnvironment([]names.UserTag{user.UserTag()})
	c.Assert(err, gc.IsNil)
	c.Assert(result.OneError().Error(), gc.Matches, "failed to create environment user: env user already exists")
	c.Assert(result.Results, gc.HasLen, 1)
	c.Assert(result.Results[0].Error, gc.ErrorMatches, `failed to create environment user: env user already exists`)
}

func (s *MachineSuite) waitProvisioned(c *gc.C, unit *state.Unit) (*state.Machine, instance.Id) {
	c.Logf("waiting for unit %q to be provisioned", unit)
	machineId, err := unit.AssignedMachineId()
	c.Assert(err, gc.IsNil)
	m, err := s.State.Machine(machineId)
	c.Assert(err, gc.IsNil)
	w := m.Watch()
	defer w.Stop()
	timeout := time.After(coretesting.LongWait)
	for {
		select {
		case <-timeout:
			c.Fatalf("timed out waiting for provisioning")
		case _, ok := <-w.Changes():
			c.Assert(ok, jc.IsTrue)
			err := m.Refresh()
			c.Assert(err, gc.IsNil)
			if instId, err := m.InstanceId(); err == nil {
				c.Logf("unit provisioned with instance %s", instId)
				return m, instId
			} else {
				c.Check(err, jc.Satisfies, state.IsNotProvisionedError)
			}
		}
	}
	panic("watcher died")
}

func (s *MachineSuite) TestMachineAgentRunsAuthorisedKeysWorker(c *gc.C) {
	// Start the machine agent.
	m, _, _ := s.primeAgent(c, version.Current, state.JobHostUnits)
	a := s.newAgent(c, m)
	go func() { c.Check(a.Run(nil), gc.IsNil) }()
	defer func() { c.Check(a.Stop(), gc.IsNil) }()

	// Update the keys in the environment.
	sshKey := sshtesting.ValidKeyOne.Key + " [email protected]"
	err := s.BackingState.UpdateEnvironConfig(map[string]interface{}{"authorized-keys": sshKey}, nil, nil)
	c.Assert(err, gc.IsNil)

	// Wait for ssh keys file to be updated.
	s.State.StartSync()
	timeout := time.After(coretesting.LongWait)
	sshKeyWithCommentPrefix := sshtesting.ValidKeyOne.Key + " Juju:[email protected]"
	for {
		select {
		case <-timeout:
			c.Fatalf("timeout while waiting for authorised ssh keys to change")
		case <-time.After(coretesting.ShortWait):
			keys, err := ssh.ListKeys(authenticationworker.SSHUser, ssh.FullKeys)
			c.Assert(err, gc.IsNil)
			keysStr := strings.Join(keys, "\n")
			if sshKeyWithCommentPrefix != keysStr {
				continue
			}
			return
		}
	}
}

func (s *MachineEnvironmentWatcherSuite) waitForPostSetup(c *gc.C) {
	select {
	case <-time.After(testing.LongWait):
		c.Fatalf("timeout while waiting for setup")
	case <-s.started:
	}
}

func waitForUnitStarted(stateConn *state.State, unit *state.Unit, c *gc.C) {
	timeout := time.After(5 * time.Second)

	for {
		select {
		case <-timeout:
			c.Fatalf("no activity detected")
		case <-time.After(coretesting.ShortWait):
			err := unit.Refresh()
			c.Assert(err, gc.IsNil)
			st, info, data, err := unit.Status()
			c.Assert(err, gc.IsNil)
			switch st {
			case params.StatusPending, params.StatusInstalled:
				c.Logf("waiting...")
				continue
			case params.StatusStarted:
				c.Logf("started!")
				return
			case params.StatusDown:
				stateConn.StartSync()
				c.Logf("unit is still down")
			default:
				c.Fatalf("unexpected status %s %s %v", st, info, data)
			}
		}
	}
}

func (s *PresenceSuite) TestFindAllBeings(c *gc.C) {
	w := presence.NewWatcher(s.presence)
	p := presence.NewPinger(s.presence, "a")
	defer w.Stop()
	defer p.Stop()

	ch := make(chan presence.Change)
	w.Watch("a", ch)
	assertChange(c, ch, presence.Change{"a", false})
	c.Assert(p.Start(), gc.IsNil)
	done := make(chan bool)
	go func() {
		w.Sync()
		done <- true
	}()
	assertChange(c, ch, presence.Change{"a", true})
	results, err := presence.FindAllBeings(w)
	c.Assert(err, gc.IsNil)
	c.Assert(results, gc.HasLen, 1)
	select {
	case <-done:
	case <-time.After(testing.LongWait):
		c.Fatalf("Sync failed to returned")
	}
}

func assertNoChange(c *gc.C, watch <-chan presence.Change) {
	select {
	case got := <-watch:
		c.Fatalf("watch reported %v, want nothing", got)
	case <-time.After(testing.ShortWait):
	}
}

func (s *PresenceSuite) TestStartSync(c *gc.C) {
	w := presence.NewWatcher(s.presence)
	p := presence.NewPinger(s.presence, "a")
	defer w.Stop()
	defer p.Stop()

	ch := make(chan presence.Change)
	w.Watch("a", ch)
	assertChange(c, ch, presence.Change{"a", false})

	c.Assert(p.Start(), gc.IsNil)

	done := make(chan bool)
	go func() {
		w.StartSync()
		w.StartSync()
		w.StartSync()
		done <- true
	}()

	select {
	case <-done:
	case <-time.After(testing.LongWait):
		c.Fatalf("StartSync failed to return")
	}

	assertChange(c, ch, presence.Change{"a", true})
}

// Tests
func (s *S) TestHash(c *check.C) {
	var (
		err     error
		f       *os.File
		md5hash []byte
	)

	// FIXME: This will not work with MacOS.
	if _, err = exec.LookPath("md5sum"); err != nil {
		c.Skip(err.Error())
	}
	md5sum := exec.Command("md5sum", "./files_test.go")
	b := &bytes.Buffer{}
	md5sum.Stdout = b
	if err = md5sum.Run(); err != nil {
		c.Fatal(err)
	}
	if f, err = os.Open("./files_test.go"); err != nil {
		c.Fatalf("%v %s", md5sum, err)
	}
	if md5hash, err = Hash(md5.New(), f); err != nil {
		c.Fatal(err)
	}
	md5string := fmt.Sprintf("%x .*\n", md5hash)

	c.Check(string(b.Bytes()), check.Matches, md5string)
}

func (*trySuite) TestExtraResultsAreClosed(c *gc.C) {
	try := parallel.NewTry(0, nil)
	begin := make([]chan struct{}, 4)
	results := make([]*closeResult, len(begin))
	for i := range begin {
		begin[i] = make(chan struct{})
		results[i] = &closeResult{make(chan struct{})}
		i := i
		try.Start(func(<-chan struct{}) (io.Closer, error) {
			<-begin[i]
			return results[i], nil
		})
	}
	begin[0] <- struct{}{}
	val, err := try.Result()
	c.Assert(err, gc.IsNil)
	c.Assert(val, gc.Equals, results[0])

	timeout := time.After(shortWait)
	for i, r := range results[1:] {
		begin[i+1] <- struct{}{}
		select {
		case <-r.closed:
		case <-timeout:
			c.Fatalf("timed out waiting for close")
		}
	}
	select {
	case <-results[0].closed:
		c.Fatalf("result was inappropriately closed")
	case <-time.After(shortWait):
	}
}

func (*limiterSuite) TestAcquireWaitBlocksUntilRelease(c *gc.C) {
	l := utils.NewLimiter(2)
	calls := make([]string, 0, 10)
	start := make(chan bool, 0)
	waiting := make(chan bool, 0)
	done := make(chan bool, 0)
	go func() {
		<-start
		calls = append(calls, fmt.Sprintf("%v", l.Acquire()))
		calls = append(calls, fmt.Sprintf("%v", l.Acquire()))
		calls = append(calls, fmt.Sprintf("%v", l.Acquire()))
		waiting <- true
		l.AcquireWait()
		calls = append(calls, "waited")
		calls = append(calls, fmt.Sprintf("%v", l.Acquire()))
		done <- true
	}()
	// Start the routine, and wait for it to get to the first checkpoint
	start <- true
	select {
	case <-waiting:
	case <-time.After(longWait):
		c.Fatalf("timed out waiting for 'waiting' to trigger")
	}
	c.Check(l.Acquire(), jc.IsFalse)
	l.Release()
	select {
	case <-done:
	case <-time.After(longWait):
		c.Fatalf("timed out waiting for 'done' to trigger")
	}
	c.Check(calls, gc.DeepEquals, []string{"true", "true", "false", "waited", "false"})
}