Golang go-check.Not函數代碼示例

func testApp(s *CLISuite, t *c.C, remote string) {
	app := s.newGitRepo(t, "")
	name := random.String(30)
	flynnRemote := fmt.Sprintf("%s\tssh://[email protected]%s/%s.git (push)", remote, s.clusterConf(t).GitHost, name)

	if remote == "flynn" {
		t.Assert(app.flynn("create", "-y", name), Outputs, fmt.Sprintf("Created %s\n", name))
	} else {
		t.Assert(app.flynn("create", "-r", remote, "-y", name), Outputs, fmt.Sprintf("Created %s\n", name))
	}
	t.Assert(app.flynn("apps"), SuccessfulOutputContains, name)
	t.Assert(app.flynn("-c", "default", "apps"), SuccessfulOutputContains, name)
	if remote == "" {
		t.Assert(app.git("remote", "-v"), c.Not(SuccessfulOutputContains), flynnRemote)
	} else {
		t.Assert(app.git("remote", "-v"), SuccessfulOutputContains, flynnRemote)
	}

	// make sure flynn components are listed
	t.Assert(app.flynn("apps"), SuccessfulOutputContains, "router")
	t.Assert(app.flynn("-c", "default", "apps"), SuccessfulOutputContains, "router")

	// flynn delete
	if remote == "flynn" {
		t.Assert(app.flynn("delete", "--yes"), Succeeds)
	} else {
		if remote == "" {
			t.Assert(app.flynn("-a", name, "delete", "--yes", "-r", remote), Succeeds)
		} else {
			t.Assert(app.flynn("delete", "--yes", "-r", remote), Succeeds)
		}
	}
	t.Assert(app.git("remote", "-v"), c.Not(SuccessfulOutputContains), flynnRemote)
}

func (s *CLISuite) TestKey(t *c.C) {
	app := s.newGitRepo(t, "empty")
	t.Assert(app.flynn("create"), Succeeds)

	t.Assert(app.flynn("key", "add", s.sshKeys(t).Pub), Succeeds)

	// calculate fingerprint
	data, err := ioutil.ReadFile(s.sshKeys(t).Pub)
	t.Assert(err, c.IsNil)
	pubKey, _, _, _, err := ssh.ParseAuthorizedKey(data)
	t.Assert(err, c.IsNil)
	digest := md5.Sum(pubKey.Marshal())
	fingerprint := formatKeyID(hex.EncodeToString(digest[:]))

	t.Assert(app.flynn("key"), SuccessfulOutputContains, fingerprint)

	t.Assert(app.git("commit", "--allow-empty", "-m", "should succeed"), Succeeds)
	t.Assert(app.git("push", "flynn", "master"), Succeeds)

	t.Assert(app.flynn("key", "remove", fingerprint), Succeeds)
	t.Assert(app.flynn("key"), c.Not(SuccessfulOutputContains), fingerprint)

	t.Assert(app.git("commit", "--allow-empty", "-m", "should fail"), Succeeds)
	t.Assert(app.git("push", "flynn", "master"), c.Not(Succeeds))

	t.Assert(app.flynn("delete", "--yes"), Succeeds)
}

func (s *CLISuite) TestMeta(t *c.C) {
	app := s.newCliTestApp(t)
	t.Assert(app.flynn("meta", "set", "META_TEST=var", "SECOND_VAL=2"), Succeeds)
	t.Assert(app.flynn("meta").Output, Matches, `META_TEST *var`)
	t.Assert(app.flynn("meta").Output, Matches, `SECOND_VAL *2`)
	// test that unset can remove all meta tags
	t.Assert(app.flynn("meta", "unset", "META_TEST", "SECOND_VAL"), Succeeds)
	t.Assert(app.flynn("meta").Output, c.Not(Matches), `META_TEST *var`)
	t.Assert(app.flynn("meta").Output, c.Not(Matches), `SECOND_VAL *2`)
}

func (s *CLISuite) TestCluster(t *c.C) {
	// use a custom flynnrc to avoid disrupting other tests
	file, err := ioutil.TempFile("", "")
	t.Assert(err, c.IsNil)
	flynn := func(cmdArgs ...string) *CmdResult {
		cmd := exec.Command(args.CLI, cmdArgs...)
		cmd.Env = flynnEnv(file.Name())
		return run(t, cmd)
	}

	// cluster add
	t.Assert(flynn("cluster", "add", "--no-git", "foo", "https://controller.foo.example.com", "e09dc5301d72be755a3d666f617c4600"), Succeeds)
	t.Assert(flynn("cluster"), SuccessfulOutputContains, "foo")
	t.Assert(flynn("cluster", "add", "--no-git", "-p", "KGCENkp53YF5OvOKkZIry71+czFRkSw2ZdMszZ/0ljs=", "test", "https://controller.test.example.com", "e09dc5301d72be755a3d666f617c4600"), Succeeds)
	t.Assert(flynn("cluster"), SuccessfulOutputContains, "test")
	t.Assert(flynn("cluster", "add", "-f", "--no-git", "-p", "KGCENkp53YF5OvOKkZIry71+czFRkSw2ZdMszZ/0ljs=", "test", "https://controller.test.example.com", "e09dc5301d72be755a3d666f617c4600"), Succeeds)
	t.Assert(flynn("cluster"), SuccessfulOutputContains, "test")
	t.Assert(flynn("cluster", "add", "-f", "-d", "--no-git", "-p", "KGCENkp53YF5OvOKkZIry71+czFRkSw2ZdMszZ/0ljs=", "test", "https://controller.test.example.com", "e09dc5301d72be755a3d666f617c4600"), Succeeds)
	t.Assert(flynn("cluster"), SuccessfulOutputContains, "test")
	// make sure the cluster is present in the config
	cfg, err := config.ReadFile(file.Name())
	t.Assert(err, c.IsNil)
	t.Assert(cfg.Default, c.Equals, "test")
	t.Assert(cfg.Clusters, c.HasLen, 2)
	t.Assert(cfg.Clusters[0].Name, c.Equals, "foo")
	t.Assert(cfg.Clusters[1].Name, c.Equals, "test")
	// overwriting with a conflicting name and a different conflicting url should error
	conflict := flynn("cluster", "add", "-f", "--no-git", "foo", "https://controller.test.example.com", "e09dc5301d72be755a3d666f617c4600")
	t.Assert(conflict, c.Not(Succeeds))
	t.Assert(conflict, OutputContains, "conflict with")
	// overwriting (without --force) should not work
	t.Assert(flynn("cluster", "add", "test", "foo", "bar"), c.Not(Succeeds))
	t.Assert(flynn("cluster"), SuccessfulOutputContains, "test")
	t.Assert(flynn("cluster"), SuccessfulOutputContains, "(default)")
	// change default cluster
	t.Assert(flynn("cluster", "default", "test"), SuccessfulOutputContains, "\"test\" is now the default cluster.")
	t.Assert(flynn("cluster", "default", "missing"), OutputContains, "Cluster \"missing\" does not exist and cannot be set as default.")
	t.Assert(flynn("cluster", "default"), SuccessfulOutputContains, "test")
	cfg, err = config.ReadFile(file.Name())
	t.Assert(err, c.IsNil)
	t.Assert(cfg.Default, c.Equals, "test")
	// cluster remove
	t.Assert(flynn("cluster", "remove", "test"), Succeeds)
	t.Assert(flynn("cluster"), c.Not(SuccessfulOutputContains), "test")
	cfg, err = config.ReadFile(file.Name())
	t.Assert(err, c.IsNil)
	t.Assert(cfg.Clusters, c.HasLen, 1)
	t.Assert(flynn("cluster", "remove", "foo"), Succeeds)
	// cluster remove default and set next available
	t.Assert(flynn("cluster", "add", "-d", "--no-git", "-p", "KGCENkp53YF5OvOKkZIry71+czFRkSw2ZdMszZ/0ljs=", "test", "https://controller.test.example.com", "e09dc5301d72be755a3d666f617c4600"), Succeeds)
	t.Assert(flynn("cluster", "add", "--no-git", "-p", "KGCENkp53YF5OvOKkZIry71+czFRkSw2ZdMszZ/0ljs=", "next", "https://controller.next.example.com", "e09dc5301d72be755a3d666f617c4600"), Succeeds)
	t.Assert(flynn("cluster", "remove", "test"), SuccessfulOutputContains, "Cluster \"test\" removed and \"next\" is now the default cluster.")
	t.Assert(flynn("cluster", "default"), SuccessfulOutputContains, "next")
}

func (s *CLISuite) TestRelease(t *c.C) {
	releaseJSON := []byte(`{
		"env": {"GLOBAL": "FOO"},
		"processes": {
			"echoer": {
				"cmd": ["/bin/echoer"],
				"env": {"ECHOER_ONLY": "BAR"}
			},
			"env": {
				"cmd": ["sh", "-c", "env; while true; do sleep 60; done"],
				"env": {"ENV_ONLY": "BAZ"}
			}
		}
	}`)
	release := &ct.Release{}
	t.Assert(json.Unmarshal(releaseJSON, &release), c.IsNil)
	for typ, proc := range release.Processes {
		resource.SetDefaults(&proc.Resources)
		release.Processes[typ] = proc
	}

	file, err := ioutil.TempFile("", "")
	t.Assert(err, c.IsNil)
	file.Write(releaseJSON)
	file.Close()

	app := s.newCliTestApp(t)
	defer app.cleanup()
	t.Assert(app.flynn("release", "add", "-f", file.Name(), imageURIs["test-apps"]), Succeeds)

	r, err := s.controller.GetAppRelease(app.name)
	t.Assert(err, c.IsNil)
	t.Assert(r.Env, c.DeepEquals, release.Env)
	t.Assert(r.Processes, c.DeepEquals, release.Processes)

	scaleCmd := app.flynn("scale", "--no-wait", "env=1", "foo=1")
	t.Assert(scaleCmd, c.Not(Succeeds))
	t.Assert(scaleCmd, OutputContains, "ERROR: unknown process types: \"foo\"")

	// create a job watcher for the new release
	watcher, err := s.controllerClient(t).WatchJobEvents(app.name, r.ID)
	t.Assert(err, c.IsNil)
	defer watcher.Close()

	scaleCmd = app.flynn("scale", "--no-wait", "env=1")
	t.Assert(watcher.WaitFor(ct.JobEvents{"env": {ct.JobStateUp: 1}}, scaleTimeout, nil), c.IsNil)
	envLog := app.flynn("log")
	t.Assert(envLog, Succeeds)
	t.Assert(envLog, SuccessfulOutputContains, "GLOBAL=FOO")
	t.Assert(envLog, SuccessfulOutputContains, "ENV_ONLY=BAZ")
	t.Assert(envLog, c.Not(SuccessfulOutputContains), "ECHOER_ONLY=BAR")
}

func (s *SchedulerSuite) TestControllerRestart(t *c.C) {
	// get the current controller details
	app, err := s.controllerClient(t).GetApp("controller")
	t.Assert(err, c.IsNil)
	release, err := s.controllerClient(t).GetAppRelease("controller")
	t.Assert(err, c.IsNil)
	formation, err := s.controllerClient(t).GetFormation(app.ID, release.ID)
	t.Assert(err, c.IsNil)
	list, err := s.controllerClient(t).JobList("controller")
	t.Assert(err, c.IsNil)
	var jobs []*ct.Job
	for _, job := range list {
		if job.Type == "web" && job.State == "up" {
			jobs = append(jobs, job)
		}
	}
	t.Assert(jobs, c.HasLen, 2)
	hostID, jobID, _ := cluster.ParseJobID(jobs[0].ID)
	t.Assert(hostID, c.Not(c.Equals), "")
	t.Assert(jobID, c.Not(c.Equals), "")
	debugf(t, "current controller app[%s] host[%s] job[%s]", app.ID, hostID, jobID)

	// start another controller and wait for it to come up
	watcher, err := s.controllerClient(t).WatchJobEvents("controller", release.ID)
	t.Assert(err, c.IsNil)
	defer watcher.Close()
	debug(t, "scaling the controller up")
	formation.Processes["web"]++
	t.Assert(s.controllerClient(t).PutFormation(formation), c.IsNil)
	err = watcher.WaitFor(ct.JobEvents{"web": {"up": 1}}, scaleTimeout, nil)
	t.Assert(err, c.IsNil)

	// kill the first controller and check the scheduler brings it back online
	cc := cluster.NewClientWithServices(s.discoverdClient(t).Service)
	hc, err := cc.Host(hostID)
	t.Assert(err, c.IsNil)
	debug(t, "stopping job ", jobID)
	t.Assert(hc.StopJob(jobID), c.IsNil)
	err = watcher.WaitFor(ct.JobEvents{"web": {"down": 1, "up": 1}}, scaleTimeout, nil)
	t.Assert(err, c.IsNil)

	// scale back down
	debug(t, "scaling the controller down")
	formation.Processes["web"]--
	t.Assert(s.controllerClient(t).PutFormation(formation), c.IsNil)
	err = watcher.WaitFor(ct.JobEvents{"web": {"down": 1}}, scaleTimeout, nil)
	t.Assert(err, c.IsNil)

	// unset the suite's client so other tests use a new client
	s.controller = nil
}

func (s *CLISuite) TestRun(t *c.C) {
	app := s.newCliTestApp(t)
	defer app.cleanup()

	// this shouldn't be logged
	t.Assert(app.sh("echo foo"), Outputs, "foo\n")
	// drain the events
	app.waitFor(ct.JobEvents{"": {ct.JobStateUp: 1, ct.JobStateDown: 1}})

	// this should be logged due to the --enable-log flag
	t.Assert(app.flynn("run", "--enable-log", "echo", "hello"), Outputs, "hello\n")
	app.waitFor(ct.JobEvents{"": {ct.JobStateUp: 1, ct.JobStateDown: 1}})

	detached := app.flynn("run", "-d", "echo", "world")
	t.Assert(detached, Succeeds)
	t.Assert(detached, c.Not(Outputs), "world\n")

	id := strings.TrimSpace(detached.Output)
	jobID := app.waitFor(ct.JobEvents{"": {ct.JobStateUp: 1, ct.JobStateDown: 1}})
	t.Assert(jobID, c.Equals, id)
	t.Assert(app.flynn("log", "--raw-output"), Outputs, "hello\nworld\n")

	// test stdin and stderr
	streams := app.flynnCmd("run", "sh", "-c", "cat 1>&2")
	stdin, err := streams.StdinPipe()
	t.Assert(err, c.IsNil)
	go func() {
		stdin.Write([]byte("goto stderr"))
		stdin.Close()
	}()
	var stderr bytes.Buffer
	var stdout bytes.Buffer
	streams.Stderr = &stderr
	streams.Stdout = &stdout
	t.Assert(streams.Run(), c.IsNil)
	t.Assert(stderr.String(), c.Equals, "goto stderr")
	t.Assert(stdout.String(), c.Equals, "")

	// test exit code
	exit := app.sh("exit 42")
	t.Assert(exit, c.Not(Succeeds))
	if msg, ok := exit.Err.(*exec.ExitError); ok { // there is error code
		code := msg.Sys().(syscall.WaitStatus).ExitStatus()
		t.Assert(code, c.Equals, 42)
	} else {
		t.Fatal("There was no error code!")
	}
}

func (s *GitDeploySuite) runBuildpackTestWithResponsePattern(t *c.C, name string, resources []string, pat string) {
	r := s.newGitRepo(t, "https://github.com/flynn-examples/"+name)

	t.Assert(r.flynn("create", name), Outputs, fmt.Sprintf("Created %s\n", name))

	for _, resource := range resources {
		t.Assert(r.flynn("resource", "add", resource), Succeeds)
	}

	watcher, err := s.controllerClient(t).WatchJobEvents(name, "")
	t.Assert(err, c.IsNil)
	defer watcher.Close()

	push := r.git("push", "flynn", "master")
	t.Assert(push, SuccessfulOutputContains, "Creating release")
	t.Assert(push, SuccessfulOutputContains, "Application deployed")
	t.Assert(push, SuccessfulOutputContains, "Waiting for web job to start...")
	t.Assert(push, SuccessfulOutputContains, "* [new branch]      master -> master")
	t.Assert(push, c.Not(OutputContains), "timed out waiting for scale")
	t.Assert(push, SuccessfulOutputContains, "=====> Default web formation scaled to 1")

	watcher.WaitFor(ct.JobEvents{"web": {ct.JobStateUp: 1}}, scaleTimeout, nil)

	route := name + ".dev"
	newRoute := r.flynn("route", "add", "http", route)
	t.Assert(newRoute, Succeeds)

	err = Attempts.Run(func() error {
		// Make HTTP requests
		client := &http.Client{}
		req, err := http.NewRequest("GET", "http://"+routerIP, nil)
		if err != nil {
			return err
		}
		req.Host = route
		res, err := client.Do(req)
		if err != nil {
			return err
		}
		defer res.Body.Close()
		contents, err := ioutil.ReadAll(res.Body)
		if err != nil {
			return err
		}
		if res.StatusCode != 200 {
			return fmt.Errorf("Expected status 200, got %v", res.StatusCode)
		}
		m, err := regexp.MatchString(pat, string(contents))
		if err != nil {
			return err
		}
		if !m {
			return fmt.Errorf("Expected `%s`, got `%v`", pat, string(contents))
		}
		return nil
	})
	t.Assert(err, c.IsNil)

	t.Assert(r.flynn("scale", "web=0"), Succeeds)
}

func (s *CLISuite) TestRoute(t *c.C) {
	app := s.newCliTestApp(t)
	defer app.cleanup()

	// The router API does not currently give us a "read your own writes"
	// guarantee, so we must retry a few times if we don't get the expected
	// result.
	assertRouteContains := func(str string, contained bool) {
		var res *CmdResult
		attempt.Strategy{
			Total: 10 * time.Second,
			Delay: 500 * time.Millisecond,
		}.Run(func() error {
			res = app.flynn("route")
			if contained == strings.Contains(res.Output, str) {
				return nil
			}
			return errors.New("unexpected output")
		})
		if contained {
			t.Assert(res, SuccessfulOutputContains, str)
		} else {
			t.Assert(res, c.Not(SuccessfulOutputContains), str)
		}
	}

	// flynn route add http
	route := random.String(32) + ".dev"
	newRoute := app.flynn("route", "add", "http", "--sticky", route)
	t.Assert(newRoute, Succeeds)
	routeID := strings.TrimSpace(newRoute.Output)
	assertRouteContains(routeID, true)

	// ensure sticky flag is set
	routes, err := s.controllerClient(t).RouteList(app.name)
	t.Assert(err, c.IsNil)
	var found bool
	for _, r := range routes {
		if fmt.Sprintf("%s/%s", r.Type, r.ID) != routeID {
			continue
		}
		t.Assert(r.Sticky, c.Equals, true)
		found = true
	}
	t.Assert(found, c.Equals, true, c.Commentf("didn't find route"))

	// flynn route remove
	t.Assert(app.flynn("route", "remove", routeID), Succeeds)
	assertRouteContains(routeID, false)

	// flynn route add tcp
	tcpRoute := app.flynn("route", "add", "tcp")
	t.Assert(tcpRoute, Succeeds)
	routeID = strings.Split(tcpRoute.Output, " ")[0]
	assertRouteContains(routeID, true)

	// flynn route remove
	t.Assert(app.flynn("route", "remove", routeID), Succeeds)
	assertRouteContains(routeID, false)
}

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 *HostSuite) TestVolumeCreation(t *c.C) {
	h := s.anyHostClient(t)

	vol, err := h.CreateVolume("default")
	t.Assert(err, c.IsNil)
	t.Assert(vol.ID, c.Not(c.Equals), "")
	t.Assert(h.DestroyVolume(vol.ID), c.IsNil)
}

func (s *CLISuite) TestScaleAll(t *c.C) {
	client := s.controllerClient(t)
	app := s.newCliTestApp(t)
	release := app.release
	defer app.cleanup()

	scale := app.flynn("scale", "echoer=1", "printer=2")
	t.Assert(scale, Succeeds)

	scale = app.flynn("scale", "--all")
	t.Assert(scale, Succeeds)
	t.Assert(scale, SuccessfulOutputContains, fmt.Sprintf("%s (current)\n", release.ID))
	t.Assert(scale, SuccessfulOutputContains, "echoer=1")
	t.Assert(scale, SuccessfulOutputContains, "printer=2")

	prevRelease := release
	release = &ct.Release{
		ArtifactID: release.ArtifactID,
		Env:        release.Env,
		Meta:       release.Meta,
		Processes:  release.Processes,
	}
	t.Assert(client.CreateRelease(release), c.IsNil)
	t.Assert(client.SetAppRelease(app.id, release.ID), c.IsNil)

	scale = app.flynn("scale", "echoer=2", "printer=1")
	t.Assert(scale, Succeeds)

	scale = app.flynn("scale", "--all")
	t.Assert(scale, Succeeds)
	t.Assert(scale, SuccessfulOutputContains, fmt.Sprintf("%s (current)\n", release.ID))
	t.Assert(scale, SuccessfulOutputContains, "echoer=2")
	t.Assert(scale, SuccessfulOutputContains, "printer=1")
	t.Assert(scale, SuccessfulOutputContains, fmt.Sprintf("%s\n", prevRelease.ID))
	t.Assert(scale, SuccessfulOutputContains, "echoer=1")
	t.Assert(scale, SuccessfulOutputContains, "printer=2")

	scale = app.flynn("scale", "--all", "--release", release.ID)
	t.Assert(scale, c.Not(Succeeds))

	scale = app.flynn("scale", "--all", "echoer=3", "printer=3")
	t.Assert(scale, c.Not(Succeeds))
}

// This test emulates deploys in the dashboard app
func (s *TaffyDeploySuite) TestDeploys(t *c.C) {
	client := s.controllerClient(t)

	github := map[string]string{
		"user_login": "flynn-examples",
		"repo_name":  "go-flynn-example",
		"ref":        "master",
		"sha":        "a2ac6b059e1359d0e974636935fda8995de02b16",
		"clone_url":  "https://github.com/flynn-examples/go-flynn-example.git",
	}

	// initial deploy

	app := &ct.App{
		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"],
		},
	}
	t.Assert(client.CreateApp(app), c.IsNil)
	debugf(t, "created app %s (%s)", app.Name, app.ID)

	s.deployWithTaffy(t, app, github)

	_, err := client.GetAppRelease(app.ID)
	t.Assert(err, c.IsNil)

	// second deploy

	github["sha"] = "2bc7e016b1b4aae89396c898583763c5781e031a"

	release, err := client.GetAppRelease(app.ID)
	t.Assert(err, c.IsNil)

	release = &ct.Release{
		Env:       release.Env,
		Processes: release.Processes,
	}
	t.Assert(client.CreateRelease(release), c.IsNil)
	t.Assert(client.SetAppRelease(app.ID, release.ID), c.IsNil)

	s.deployWithTaffy(t, app, github)

	newRelease, err := client.GetAppRelease(app.ID)
	t.Assert(err, c.IsNil)
	t.Assert(newRelease.ID, c.Not(c.Equals), release.ID)
	release.Env["SLUG_URL"] = newRelease.Env["SLUG_URL"] // SLUG_URL will be different
	t.Assert(release.Env, c.DeepEquals, newRelease.Env)
	t.Assert(release.Processes, c.DeepEquals, newRelease.Processes)
}

func (s *CLISuite) TestResourceRemove(t *c.C) {
	app := s.newCliTestApp(t)
	defer app.cleanup()

	add := app.flynn("resource", "add", "postgres")
	t.Assert(add, Succeeds)
	t.Assert(app.flynn("resource").Output, Matches, "postgres")
	t.Assert(app.flynn("env").Output, Matches, "FLYNN_POSTGRES")
	id := strings.Split(add.Output, " ")[2]

	// change one of the env vars provided by the resource
	t.Assert(app.flynn("env", "set", "PGUSER=testuser"), Succeeds)

	remove := app.flynn("resource", "remove", "postgres", id)
	t.Assert(remove, Succeeds)

	t.Assert(app.flynn("resource").Output, c.Not(Matches), "postgres")
	// test that unmodified vars are removed
	t.Assert(app.flynn("env").Output, c.Not(Matches), "FLYNN_POSTGRES")
	// but that modifed ones are retained
	t.Assert(app.flynn("env", "get", "PGUSER").Output, Matches, "testuser")
}

func (s *CLISuite) TestReleaseDelete(t *c.C) {
	// create an app and release it twice
	r := s.newGitRepo(t, "http")
	app := "release-delete-" + random.String(8)
	t.Assert(r.flynn("create", app), Succeeds)
	t.Assert(r.git("push", "flynn", "master"), Succeeds)
	t.Assert(r.git("commit", "--allow-empty", "--message", "empty commit"), Succeeds)
	t.Assert(r.git("push", "flynn", "master"), Succeeds)

	// get the releases
	client := s.controllerClient(t)
	releases, err := client.AppReleaseList(app)
	t.Assert(err, c.IsNil)
	t.Assert(releases, c.HasLen, 2)

	// check the current release cannot be deleted
	res := r.flynn("release", "delete", "--yes", releases[0].ID)
	t.Assert(res, c.Not(Succeeds))
	t.Assert(res.Output, c.Equals, "validation_error: cannot delete current app release\n")

	// associate the initial release with another app
	otherApp := &ct.App{Name: "release-delete-" + random.String(8)}
	t.Assert(client.CreateApp(otherApp), c.IsNil)
	t.Assert(client.PutFormation(&ct.Formation{AppID: otherApp.ID, ReleaseID: releases[1].ID}), c.IsNil)

	// check deleting the initial release just deletes the formation
	res = r.flynn("release", "delete", "--yes", releases[1].ID)
	t.Assert(res, Succeeds)
	t.Assert(res.Output, c.Equals, "Release scaled down for app but not fully deleted (still associated with 1 other apps)\n")

	// check the slug artifact still exists
	slugArtifact, err := client.GetArtifact(releases[1].FileArtifactIDs()[0])
	t.Assert(err, c.IsNil)
	s.assertURI(t, slugArtifact.URI, http.StatusOK)

	// check the inital release can now be deleted
	res = r.flynn("-a", otherApp.ID, "release", "delete", "--yes", releases[1].ID)
	t.Assert(res, Succeeds)
	t.Assert(res.Output, c.Equals, fmt.Sprintf("Deleted release %s (deleted 1 files)\n", releases[1].ID))

	// check the slug artifact was deleted
	_, err = client.GetArtifact(slugArtifact.ID)
	t.Assert(err, c.Equals, controller.ErrNotFound)
	s.assertURI(t, slugArtifact.URI, http.StatusNotFound)

	// check the image artifact was not deleted (since it is shared between both releases)
	_, err = client.GetArtifact(releases[1].ImageArtifactID())
	t.Assert(err, c.IsNil)
}