Golang commandmocker.Add函数代码示例

func (s *S) TestCollectStatusIDChangeFromPending(c *gocheck.C) {
	server, url := badGatewayServer()
	defer server.Close()
	tmpdir, err := commandmocker.Add("juju", generateOutput(url))
	c.Assert(err, gocheck.IsNil)
	defer commandmocker.Remove(tmpdir)
	p := JujuProvisioner{}
	collection := p.unitsCollection()
	defer collection.Close()
	err = collection.Insert(instance{UnitName: "as_i_rise/0", InstanceID: "pending"})
	c.Assert(err, gocheck.IsNil)
	defer collection.Remove(bson.M{"_id": bson.M{"$in": []string{"as_i_rise/0", "the_infanta/0"}}})
	_, err = p.CollectStatus()
	c.Assert(err, gocheck.IsNil)
	done := make(chan int8)
	go func() {
		for {
			q := bson.M{"_id": "as_i_rise/0", "instanceid": "i-00000439"}
			ct, err := collection.Find(q).Count()
			c.Assert(err, gocheck.IsNil)
			if ct == 1 {
				done <- 1
				return
			}
			runtime.Gosched()
		}
	}()
	select {
	case <-done:
	case <-time.After(5e9):
		c.Fatal("Did not update the unit after 5 seconds.")
	}
}

func (s *ELBSuite) TestHandleMessageWithUnits(c *gocheck.C) {
	id1 := s.server.NewInstance()
	id2 := s.server.NewInstance()
	defer s.server.RemoveInstance(id1)
	defer s.server.RemoveInstance(id2)
	app := testing.NewFakeApp("symfonia", "python", 1)
	router, err := Router()
	c.Assert(err, gocheck.IsNil)
	router.AddBackend(app.GetName())
	c.Assert(err, gocheck.IsNil)
	defer router.RemoveBackend(app.GetName())
	output := strings.Replace(simpleCollectOutput, "i-00004444", id1, -1)
	output = strings.Replace(output, "i-00004445", id2, -1)
	tmpdir, err := commandmocker.Add("juju", output)
	c.Assert(err, gocheck.IsNil)
	defer commandmocker.Remove(tmpdir)
	msg := queue.Message{
		Action: addUnitToLoadBalancer,
		Args:   []string{"symfonia", "symfonia/0", "symfonia/1"},
	}
	handle(&msg)
	resp, err := s.client.DescribeLoadBalancers(app.GetName())
	c.Assert(err, gocheck.IsNil)
	c.Assert(resp.LoadBalancerDescriptions, gocheck.HasLen, 1)
	instances := resp.LoadBalancerDescriptions[0].Instances
	c.Assert(instances, gocheck.HasLen, 2)
	ids := []string{instances[0].InstanceId, instances[1].InstanceId}
	sort.Strings(ids)
	want := []string{id1, id2}
	sort.Strings(want)
	c.Assert(ids, gocheck.DeepEquals, want)
	c.Assert(commandmocker.Ran(tmpdir), gocheck.Equals, true)
}

func (s *S) TestReadMessageWithTerminateJSON(c *check.C) {
	cmd, err := commandmocker.Add("sudo", "service nginx reload")
	c.Assert(err, check.IsNil)
	defer commandmocker.Remove(cmd)

	// Setup instance file
	u := Config.Upstreams[0]
	instance := &ec2.Instance{InstanceId: s.instance_ids[0], PrivateDNSName: "test.internal"}
	if err := addInstance(u, instance); err != nil {
		c.Error(err)
	}

	payload := `{"TopicArn":"arn:test","Message":
	"{\"AutoScalingGroupARN\":\"arn:asg-test\",\"Event\":\"autoscaling:EC2_INSTANCE_TERMINATE\",\"EC2InstanceId\":\"%s\"}"}`
	b := strings.NewReader(fmt.Sprintf(payload, s.instance_ids[0]))
	recorder, request := newRequest("POST", "/", b, c)
	readMessage(recorder, request)
	body := readBody(recorder.Body, c)
	c.Assert(body, check.Equals, fmt.Sprintf(`Removed instance "%s".`, s.instance_ids[0]))
	c.Assert(recorder.Code, check.Equals, 200)

	// Check upstreams file
	content, err := ioutil.ReadFile(u.File)
	c.Assert(err, check.IsNil)
	c.Assert(string(content), check.Equals, fmt.Sprintf("upstream %s {\n}\n", u.Name))

	// Check run NGINX reload
	c.Assert(commandmocker.Ran(cmd), check.Equals, true)
}

func (s *ELBSuite) TestHandleMessageWithoutUnits(c *gocheck.C) {
	instIds := make([]string, 3)
	for i := 0; i < len(instIds); i++ {
		id := s.server.NewInstance()
		defer s.server.RemoveInstance(id)
		instIds[i] = id
	}
	replace := []string{"i-00004444", "i-00004445", "i-00004450"}
	output := simpleCollectOutput
	for i, r := range replace {
		output = strings.Replace(output, r, instIds[i], 1)
	}
	tmpdir, err := commandmocker.Add("juju", output)
	c.Assert(err, gocheck.IsNil)
	defer commandmocker.Remove(tmpdir)
	app := testing.NewFakeApp("symfonia", "python", 1)
	router, err := Router()
	c.Assert(err, gocheck.IsNil)
	err = router.AddBackend(app.GetName())
	c.Assert(err, gocheck.IsNil)
	defer router.RemoveBackend(app.GetName())
	handle(&queue.Message{
		Action: addUnitToLoadBalancer,
		Args:   []string{"symfonia"},
	})
	resp, err := s.client.DescribeLoadBalancers(app.GetName())
	c.Assert(err, gocheck.IsNil)
	c.Assert(resp.LoadBalancerDescriptions, gocheck.HasLen, 1)
	instances := resp.LoadBalancerDescriptions[0].Instances
	c.Assert(instances, gocheck.HasLen, 3)
	ids := []string{instances[0].InstanceId, instances[1].InstanceId, instances[2].InstanceId}
	sort.Strings(ids)
	sort.Strings(instIds)
	c.Assert(ids, gocheck.DeepEquals, instIds)
}

func (s *S) TestReadMessageWithLaunchJSON(c *check.C) {
	cmd, err := commandmocker.Add("sudo", "service nginx reload")
	c.Assert(err, check.IsNil)
	defer commandmocker.Remove(cmd)

	payload := `{"TopicArn":"arn:test","Message":` +
		`"{\"AutoScalingGroupARN\":\"arn:asg-test\",\"Event\":\"autoscaling:EC2_INSTANCE_LAUNCH\",` +
		`\"EC2InstanceId\":\"%s\"}"}`
	b := strings.NewReader(fmt.Sprintf(payload, s.instance_ids[0]))
	recorder, request := newRequest("POST", "/", b, c)
	readMessage(recorder, request)
	body := readBody(recorder.Body, c)
	c.Assert(body, check.Equals, fmt.Sprintf(`Added instance "%s".`, s.instance_ids[0]))
	c.Assert(recorder.Code, check.Equals, 200)

	// Check upstreams file
	upstream := Config.Upstreams[0]
	content, err := ioutil.ReadFile(upstream.File)
	c.Assert(err, check.IsNil)
	serverLine := fmt.Sprintf("server %s.internal.invalid:80 max_fails=3 fail_timeout=60s; # %s\n", s.instance_ids[0], s.instance_ids[0])
	c.Assert(string(content), check.Equals, fmt.Sprintf("upstream %s {\n  %s}\n", upstream.Name, serverLine))

	// Check run NGINX reload
	c.Assert(commandmocker.Ran(cmd), check.Equals, true)
}

func (s *S) TestBootstrapMachineHealerDontNeedsHeal(c *gocheck.C) {
	tmpdir, err := commandmocker.Add("juju", collectOutput)
	c.Assert(err, gocheck.IsNil)
	defer commandmocker.Remove(tmpdir)
	h := bootstrapMachineHealer{}
	c.Assert(h.needsHeal(), gocheck.Equals, false)
}

func (s *S) TestGrantAccessShouldAddUserToListOfRepositories(c *gocheck.C) {
	tmpdir, err := commandmocker.Add("git", "$*")
	c.Assert(err, gocheck.IsNil)
	defer commandmocker.Remove(tmpdir)
	r, err := New("proj1", []string{"someuser"}, true)
	c.Assert(err, gocheck.IsNil)
	conn, err := db.Conn()
	c.Assert(err, gocheck.IsNil)
	defer conn.Close()
	defer conn.Repository().RemoveId(r.Name)
	r2, err := New("proj2", []string{"otheruser"}, true)
	c.Assert(err, gocheck.IsNil)
	defer conn.Repository().RemoveId(r2.Name)
	u := struct {
		Name string `bson:"_id"`
	}{Name: "lolcat"}
	err = conn.User().Insert(&u)
	c.Assert(err, gocheck.IsNil)
	defer conn.User().RemoveId(u.Name)
	err = GrantAccess([]string{r.Name, r2.Name}, []string{u.Name})
	c.Assert(err, gocheck.IsNil)
	err = conn.Repository().FindId(r.Name).One(&r)
	c.Assert(err, gocheck.IsNil)
	err = conn.Repository().FindId(r2.Name).One(&r2)
	c.Assert(err, gocheck.IsNil)
	c.Assert(r.Users, gocheck.DeepEquals, []string{"someuser", u.Name})
	c.Assert(r2.Users, gocheck.DeepEquals, []string{"otheruser", u.Name})
}

func (s *ELBSuite) TestHandleMessagesWithPendingUnits(c *gocheck.C) {
	id := s.server.NewInstance()
	defer s.server.RemoveInstance(id)
	app := testing.NewFakeApp("2112", "python", 1)
	router, err := Router()
	c.Assert(err, gocheck.IsNil)
	err = router.AddBackend(app.GetName())
	defer router.RemoveBackend(app.GetName())
	output := strings.Replace(collectOutputNoInstanceID, "i-00004444", id, 1)
	tmpdir, err := commandmocker.Add("juju", output)
	c.Assert(err, gocheck.IsNil)
	defer commandmocker.Remove(tmpdir)
	handle(&queue.Message{
		Action: addUnitToLoadBalancer,
		Args:   []string{"2112", "2112/0", "2112/1"},
	})
	resp, err := s.client.DescribeLoadBalancers(app.GetName())
	c.Assert(err, gocheck.IsNil)
	c.Assert(resp.LoadBalancerDescriptions, gocheck.HasLen, 1)
	instances := resp.LoadBalancerDescriptions[0].Instances
	c.Assert(instances, gocheck.HasLen, 1)
	c.Assert(instances[0].InstanceId, gocheck.Equals, id)
	msg, err := getQueue(queueName).Get(5e9)
	c.Assert(err, gocheck.IsNil)
	c.Assert(msg.Action, gocheck.Equals, addUnitToLoadBalancer)
	c.Assert(msg.Args, gocheck.DeepEquals, []string{"2112", "2112/1"})
}

func (s *S) SetUpSuite(c *gocheck.C) {
	err := config.ReadConfigFile("../etc/gandalf.conf")
	c.Assert(err, gocheck.IsNil)
	config.Set("database:url", "127.0.0.1:27017")
	config.Set("database:name", "gandalf_api_tests")
	s.tmpdir, err = commandmocker.Add("git", "")
	c.Assert(err, gocheck.IsNil)
}

func (s *S) TestNewBareShouldCreateADir(c *gocheck.C) {
	dir, err := commandmocker.Add("git", "$*")
	c.Check(err, gocheck.IsNil)
	defer commandmocker.Remove(dir)
	err = newBare("myBare")
	c.Assert(err, gocheck.IsNil)
	c.Assert(commandmocker.Ran(dir), gocheck.Equals, true)
}

func (s *ELBSuite) TestCollectStatusWithELBAndIDChange(c *gocheck.C) {
	a := testing.NewFakeApp("symfonia", "symfonia", 0)
	p := JujuProvisioner{}
	router, err := Router()
	c.Assert(err, gocheck.IsNil)
	err = router.AddBackend(a.GetName())
	c.Assert(err, gocheck.IsNil)
	defer router.RemoveBackend(a.GetName())
	id1 := s.server.NewInstance()
	defer s.server.RemoveInstance(id1)
	id2 := s.server.NewInstance()
	defer s.server.RemoveInstance(id2)
	id3 := s.server.NewInstance()
	defer s.server.RemoveInstance(id3)
	collection := p.unitsCollection()
	defer collection.Close()
	err = collection.Insert(instance{UnitName: "symfonia/0", InstanceID: id3})
	c.Assert(err, gocheck.IsNil)
	err = router.AddRoute(a.GetName(), id3)
	c.Assert(err, gocheck.IsNil)
	err = router.AddRoute(a.GetName(), id2)
	c.Assert(err, gocheck.IsNil)
	q := bson.M{"_id": bson.M{"$in": []string{"symfonia/0", "symfonia/1", "symfonia/2", "raise/0"}}}
	defer collection.Remove(q)
	output := strings.Replace(simpleCollectOutput, "i-00004444", id1, 1)
	output = strings.Replace(output, "i-00004445", id2, 1)
	tmpdir, err := commandmocker.Add("juju", output)
	c.Assert(err, gocheck.IsNil)
	defer commandmocker.Remove(tmpdir)
	_, err = p.CollectStatus()
	c.Assert(err, gocheck.IsNil)
	done := make(chan int8)
	go func() {
		for {
			q := bson.M{"_id": "symfonia/0", "instanceid": id1}
			ct, err := collection.Find(q).Count()
			c.Assert(err, gocheck.IsNil)
			if ct == 1 {
				done <- 1
				return
			}
			runtime.Gosched()
		}
	}()
	select {
	case <-done:
	case <-time.After(5e9):
		c.Fatal("Did not save the unit after 5 seconds.")
	}
	resp, err := s.client.DescribeLoadBalancers(a.GetName())
	c.Assert(err, gocheck.IsNil)
	c.Assert(resp.LoadBalancerDescriptions, gocheck.HasLen, 1)
	instances := resp.LoadBalancerDescriptions[0].Instances
	c.Assert(instances, gocheck.HasLen, 2)
	c.Assert(instances[0].InstanceId, gocheck.Equals, id2)
	c.Assert(instances[1].InstanceId, gocheck.Equals, id1)
}

func (s *S) TestCollectStatusInvalidYAML(c *gocheck.C) {
	tmpdir, err := commandmocker.Add("juju", "local: somewhere::")
	c.Assert(err, gocheck.IsNil)
	defer commandmocker.Remove(tmpdir)
	p := JujuProvisioner{}
	_, err = p.CollectStatus()
	c.Assert(err, gocheck.NotNil)
	pErr, ok := err.(*provision.Error)
	c.Assert(ok, gocheck.Equals, true)
	c.Assert(pErr.Reason, gocheck.Equals, `"juju status" returned invalid data: local: somewhere::`)
	c.Assert(pErr.Err, gocheck.ErrorMatches, `^YAML error:.*$`)
}

func (s *S) TestExecuteWithoutArgs(c *gocheck.C) {
	tmpdir, err := commandmocker.Add("ls", "ok")
	c.Assert(err, gocheck.IsNil)
	defer commandmocker.Remove(tmpdir)
	var e OsExecutor
	var b bytes.Buffer
	err = e.Execute("ls", nil, nil, &b, &b)
	c.Assert(err, gocheck.IsNil)
	c.Assert(commandmocker.Ran(tmpdir), gocheck.Equals, true)
	c.Assert(commandmocker.Parameters(tmpdir), gocheck.IsNil)
	c.Assert(b.String(), gocheck.Equals, "ok")
}

func (s *S) TestCollectStatusDirtyOutput(c *gocheck.C) {
	server, url := badGatewayServer()
	defer server.Close()
	tmpdir, err := commandmocker.Add("juju", generateDirtyOutput(url))
	c.Assert(err, gocheck.IsNil)
	defer commandmocker.Remove(tmpdir)
	expected := []provision.Unit{
		{
			Name:       "as_i_rise/0",
			AppName:    "as_i_rise",
			Type:       "django",
			Machine:    105,
			InstanceId: "i-00000439",
			Ip:         url,
			Status:     provision.StatusUnreachable,
		},
		{
			Name:       "the_infanta/1",
			AppName:    "the_infanta",
			Type:       "gunicorn",
			Machine:    107,
			InstanceId: "i-0000043e",
			Ip:         url,
			Status:     provision.StatusBuilding,
		},
	}
	p := JujuProvisioner{}
	units, err := p.CollectStatus()
	c.Assert(err, gocheck.IsNil)
	cp := make([]provision.Unit, len(units))
	copy(cp, units)
	if cp[0].Type == "gunicorn" {
		cp[0], cp[1] = cp[1], cp[0]
	}
	c.Assert(cp, gocheck.DeepEquals, expected)
	c.Assert(commandmocker.Ran(tmpdir), gocheck.Equals, true)
	var wg sync.WaitGroup
	wg.Add(1)
	collection := p.unitsCollection()
	defer collection.Close()
	go func() {
		q := bson.M{"_id": bson.M{"$in": []string{"as_i_rise/0", "the_infanta/1"}}}
		for {
			if n, _ := collection.Find(q).Count(); n == 2 {
				break
			}
			runtime.Gosched()
		}
		collection.Remove(q)
		wg.Done()
	}()
	wg.Wait()
}

func (s *S) TestNewShouldCreateNewGitBareRepository(c *gocheck.C) {
	tmpdir, err := commandmocker.Add("git", "$*")
	c.Assert(err, gocheck.IsNil)
	defer commandmocker.Remove(tmpdir)
	_, err = New("myRepo", []string{"pumpkin"}, true)
	c.Assert(err, gocheck.IsNil)
	conn, err := db.Conn()
	c.Assert(err, gocheck.IsNil)
	defer conn.Close()
	defer conn.Repository().Remove(bson.M{"_id": "myRepo"})
	c.Assert(commandmocker.Ran(tmpdir), gocheck.Equals, true)
}