github.com/willmadison/cli@v6.40.1-0.20181018160101-29d5937903ff+incompatible/integration/shared/isolated/app_command_test.go

package isolated

import (
	"fmt"
	"io/ioutil"
	"path/filepath"

	"code.cloudfoundry.org/cli/api/cloudcontroller/ccversion"
	"code.cloudfoundry.org/cli/integration/helpers"
	. "github.com/onsi/ginkgo"
	. "github.com/onsi/gomega"
	. "github.com/onsi/gomega/gbytes"
	. "github.com/onsi/gomega/gexec"
)

var _ = Describe("app command", func() {
	var (
		orgName   string
		spaceName string
		appName   string
	)

	BeforeEach(func() {
		orgName = helpers.NewOrgName()
		spaceName = helpers.NewSpaceName()
		appName = helpers.PrefixedRandomName("app")
	})

	Describe("help", func() {
		When("--help flag is set", func() {
			It("Displays command usage to output", func() {
				session := helpers.CF("app", "--help")
				Eventually(session).Should(Say("NAME:"))
				Eventually(session).Should(Say("app - Display health and status for an app"))
				Eventually(session).Should(Say("USAGE:"))
				Eventually(session).Should(Say("cf app APP_NAME"))
				Eventually(session).Should(Say("OPTIONS:"))
				Eventually(session).Should(Say("--guid      Retrieve and display the given app's guid.  All other health and status output for the app is suppressed."))
				Eventually(session).Should(Say("SEE ALSO:"))
				Eventually(session).Should(Say("apps, events, logs, map-route, push, unmap-route"))
				Eventually(session).Should(Exit(0))
			})
		})
	})

	When("the environment is not setup correctly", func() {
		It("fails with the appropriate errors", func() {
			helpers.CheckEnvironmentTargetedCorrectly(true, true, ReadOnlyOrg, "app", "some-app")
		})

		When("no API endpoint is set", func() {
			BeforeEach(func() {
				helpers.UnsetAPI()
			})

			It("fails with no API endpoint set message", func() {
				session := helpers.CF("app", appName)
				Eventually(session).Should(Say("FAILED"))
				Eventually(session.Err).Should(Say("No API endpoint set\\. Use 'cf login' or 'cf api' to target an endpoint\\."))
				Eventually(session).Should(Exit(1))
			})
		})
		When("not logged in", func() {
			BeforeEach(func() {
				helpers.LogoutCF()
			})

			It("fails with not logged in message", func() {
				session := helpers.CF("app", appName)
				Eventually(session).Should(Say("FAILED"))
				Eventually(session.Err).Should(Say("Not logged in\\. Use 'cf login' to log in\\."))
				Eventually(session).Should(Exit(1))
			})
		})

		When("there is no org set", func() {
			BeforeEach(func() {
				helpers.LogoutCF()
				helpers.LoginCF()
			})

			It("fails with no org targeted error message", func() {
				session := helpers.CF("app", appName)
				Eventually(session).Should(Say("FAILED"))
				Eventually(session.Err).Should(Say("No org targeted, use 'cf target -o ORG' to target an org\\."))
				Eventually(session).Should(Exit(1))
			})
		})

		When("there is no space set", func() {
			BeforeEach(func() {
				helpers.LogoutCF()
				helpers.LoginCF()
				helpers.TargetOrg(ReadOnlyOrg)
			})

			It("fails with no space targeted error message", func() {
				session := helpers.CF("app", appName)
				Eventually(session).Should(Say("FAILED"))
				Eventually(session.Err).Should(Say("No space targeted, use 'cf target -s SPACE' to target a space\\."))
				Eventually(session).Should(Exit(1))
			})
		})
	})

	When("the environment is set up correctly", func() {
		BeforeEach(func() {
			helpers.SetupCF(orgName, spaceName)
		})

		AfterEach(func() {
			helpers.QuickDeleteOrg(orgName)
		})

		Describe("version dependent display", func() {
			When("CC API >= 3.27.0", func() {
				BeforeEach(func() {
					helpers.SkipIfVersionLessThan(ccversion.MinVersionApplicationFlowV3)
				})

				When("CC API >= 3.55.0", func() {
					BeforeEach(func() {
						helpers.SkipIfVersionLessThan("3.55.0")
					})

					When("all instances of the app are down", func() {
						BeforeEach(func() {
							infiniteMemQuota := helpers.QuotaName()
							Eventually(helpers.CF("create-quota", infiniteMemQuota, "-i", "-1", "-r", "-1", "-m", "2000G")).Should(Exit(0))
							Eventually(helpers.CF("set-quota", orgName, infiniteMemQuota)).Should(Exit(0))

							helpers.WithHelloWorldApp(func(appDir string) {
								Eventually(helpers.CF("push", appName, "-p", appDir)).Should(Exit(0))
							})
							Eventually(helpers.CFWithEnv(map[string]string{"CF_STAGING_TIMEOUT": "0.1", "CF_STARTUP_TIMEOUT": "0.1"}, "scale", appName, "-m", "1000G", "-f")).Should(Exit(1))
						})

						It("displays the down app instances", func() {
							session := helpers.CF("app", appName)

							userName, _ := helpers.GetCredentials()
							Eventually(session).Should(Say(`Showing health and status for app %s in org %s / space %s as %s\.\.\.`, appName, orgName, spaceName, userName))
							Eventually(session).Should(Say("name:\\s+%s", appName))
							Eventually(session).Should(Say("requested state:\\s+started"))
							Eventually(session).Should(Say("type:\\s+web"))
							Eventually(session).Should(Say("#0\\s+down\\s+\\d{4}-\\d{2}-\\d{2}T\\d{2}:\\d{2}:\\d{2}Z.+insufficient resources: memory"))
							Eventually(session).Should(Exit(0))
						})
					})
				})

				When("the app is created but not pushed", func() {
					BeforeEach(func() {
						Eventually(helpers.CF("v3-create-app", appName)).Should(Exit(0))
					})

					It("displays blank fields for unpopulated fields", func() {
						session := helpers.CF("app", appName)
						Eventually(session).Should(Say("name:\\s+%s", appName))
						Eventually(session).Should(Say("requested state:\\s+stopped"))
						Eventually(session).Should(Say("routes:\\s+\n"))
						Eventually(session).Should(Say("last uploaded:\\s+\n"))
						Eventually(session).Should(Say("stack:\\s+\n"))
						Eventually(session).Should(Say("buildpacks:\\s+\n"))
						Eventually(session).Should(Exit(0))
					})
				})

				When("the app is a buildpack app", func() {
					var domainName string

					BeforeEach(func() {
						domainName = helpers.DefaultSharedDomain()
					})

					When("the app is started and has 2 instances", func() {
						BeforeEach(func() {
							helpers.WithHelloWorldApp(func(appDir string) {
								manifestContents := []byte(fmt.Sprintf(`
---
applications:
- name: %s
  memory: 128M
  instances: 2
  disk_quota: 128M
  routes:
  - route: %s.%s
`, appName, appName, domainName))
								manifestPath := filepath.Join(appDir, "manifest.yml")
								err := ioutil.WriteFile(manifestPath, manifestContents, 0666)
								Expect(err).ToNot(HaveOccurred())

								// Create manifest
								Eventually(helpers.CF("push", appName, "-p", appDir, "-f", manifestPath, "-b", "staticfile_buildpack")).Should(Exit(0))
							})
						})

						// TODO: use multiprocess
						It("uses the multiprocess display", func() {
							userName, _ := helpers.GetCredentials()

							session := helpers.CF("app", appName)

							Eventually(session).Should(Say("Showing health and status for app %s in org %s / space %s as %s\\.\\.\\.", appName, orgName, spaceName, userName))

							Eventually(session).ShouldNot(Say("This command is in EXPERIMENTAL stage and may change without notice"))
							Eventually(session).Should(Say("name:\\s+%s", appName))
							Eventually(session).Should(Say("requested state:\\s+started"))
							Eventually(session).Should(Say("routes:\\s+%s\\.%s", appName, domainName))
							Eventually(session).Should(Say("last uploaded:\\s+\\w{3} \\d{1,2} \\w{3} \\d{2}:\\d{2}:\\d{2} \\w{3} \\d{4}"))
							Eventually(session).Should(Say("stack:\\s+cflinuxfs2"))
							Eventually(session).Should(Say("buildpacks:\\s+staticfile"))
							Eventually(session).Should(Say("type:\\s+web"))
							Eventually(session).Should(Say("instances:\\s+\\d/2"))
							Eventually(session).Should(Say("memory usage:\\s+128M"))
							Eventually(session).Should(Say("\\s+state\\s+since\\s+cpu\\s+memory\\s+disk\\s+details"))
							Eventually(session).Should(Say("#0\\s+(starting|running)\\s+\\d{4}-\\d{2}-\\d{2}T\\d{2}:\\d{2}:\\d{2}Z"))

							Eventually(session).Should(Exit(0))
						})
					})
				})

				When("the app is stopped", func() {
					BeforeEach(func() {
						helpers.WithHelloWorldApp(func(appDir string) {
							Eventually(helpers.CF("push", appName, "-p", appDir, "-b", "staticfile_buildpack", "--no-start")).Should(Exit(0))
						})
					})

					It("displays that there are no running instances of the app", func() {
						session := helpers.CF("app", appName)

						userName, _ := helpers.GetCredentials()
						Eventually(session).Should(Say(`Showing health and status for app %s in org %s / space %s as %s\.\.\.`, appName, orgName, spaceName, userName))
						Eventually(session).Should(Say("name:\\s+%s", appName))
						Eventually(session).Should(Say("requested state:\\s+stopped"))
						Eventually(session).Should(Say("type:\\s+web"))
						Eventually(session).Should(Say("#0\\s+down\\s+\\d{4}-\\d{2}-\\d{2}T\\d{2}:\\d{2}:\\d{2}Z"))
						Eventually(session).Should(Exit(0))
					})
				})

				When("the app has 0 instances", func() {
					BeforeEach(func() {
						helpers.WithHelloWorldApp(func(appDir string) {
							Eventually(helpers.CF("push", appName, "-p", appDir, "-b", "staticfile_buildpack", "-i", "0")).Should(Exit(0))
						})
					})

					It("displays the app information", func() {
						session := helpers.CF("app", appName)
						userName, _ := helpers.GetCredentials()

						Eventually(session).Should(Say(`Showing health and status for app %s in org %s / space %s as %s\.\.\.`, appName, orgName, spaceName, userName))
						Eventually(session).Should(Say("name:\\s+%s", appName))
						Eventually(session).Should(Say("requested state:\\s+started"))
						Eventually(session).Should(Say("type:\\s+web"))
						Eventually(session).Should(Say("There are no running instances of this process"))
						Eventually(session).Should(Exit(0))
					})
				})

				When("the --guid flag is given", func() {
					var appGUID string

					BeforeEach(func() {
						helpers.WithHelloWorldApp(func(appDir string) {
							Eventually(helpers.CF("push", appName, "-p", appDir, "-b", "staticfile_buildpack", "--no-start")).Should(Exit(0))
						})

						var AppInfo struct {
							Resources []struct {
								GUID string `json:"guid"`
							} `json:"resources"`
						}

						helpers.Curl(&AppInfo, "/v3/apps?names=%s", appName)
						appGUID = AppInfo.Resources[0].GUID
					})

					It("displays the app guid", func() {
						session := helpers.CF("app", "--guid", appName)
						Eventually(session).Should(Say(appGUID))
						Eventually(session).Should(Exit(0))
					})
				})

				When("the app uses multiple buildpacks", func() {
					BeforeEach(func() {
						helpers.WithMultiBuildpackApp(func(appDir string) {
							Eventually(helpers.CF("v3-push", appName, "-p", appDir, "-b", "ruby_buildpack", "-b", "go_buildpack")).Should(Exit(0))
						})
					})

					It("displays the app buildpacks", func() {
						session := helpers.CF("app", appName)
						Eventually(session).Should(Say("buildpacks:\\s+ruby_buildpack,\\s+go"))
						Eventually(session).Should(Exit(0))
					})
				})
			})

			When("CC API < 3.27.0", func() {
				BeforeEach(func() {
					helpers.SkipIfVersionAtLeast(ccversion.MinVersionApplicationFlowV3)
				})

				When("the app is a buildpack app", func() {
					var domainName string

					BeforeEach(func() {
						domainName = helpers.DefaultSharedDomain()
					})

					When("the app is started and has 2 instances", func() {
						BeforeEach(func() {
							helpers.WithHelloWorldApp(func(appDir string) {
								manifestContents := []byte(fmt.Sprintf(`
---
applications:
- name: %s
  memory: 128M
  instances: 2
  disk_quota: 128M
  routes:
  - route: %s.%s
`, appName, appName, domainName))
								manifestPath := filepath.Join(appDir, "manifest.yml")
								err := ioutil.WriteFile(manifestPath, manifestContents, 0666)
								Expect(err).ToNot(HaveOccurred())

								// Create manifest
								Eventually(helpers.CF("push", appName, "-p", appDir, "-f", manifestPath, "-b", "staticfile_buildpack")).Should(Exit(0))
							})
						})

						It("runs the v2 command", func() {
							session := helpers.CF("app", appName)
							Eventually(session).Should(Say("name:\\s+%s", appName))
							Eventually(session).Should(Say("requested state:\\s+started"))
							Eventually(session).Should(Say("instances:\\s+2/2"))
							Eventually(session).Should(Say("usage:\\s+128M x 2 instances"))
							Eventually(session).Should(Say("routes:\\s+[\\w\\d-]+\\.%s", domainName))
							Eventually(session).Should(Say("last uploaded:\\s+\\w{3} [0-3]\\d \\w{3} [0-2]\\d:[0-5]\\d:[0-5]\\d \\w+ \\d{4}"))
							Eventually(session).Should(Say("stack:\\s+cflinuxfs2"))
							Eventually(session).Should(Say("buildpack:\\s+staticfile_buildpack"))
							Eventually(session).Should(Say(""))
							Eventually(session).Should(Say("state\\s+since\\s+cpu\\s+memory\\s+disk\\s+details"))
							Eventually(session).Should(Say("#0\\s+(running|starting)\\s+\\d{4}-[01]\\d-[0-3]\\dT[0-2][0-9]:[0-5]\\d:[0-5]\\dZ\\s+\\d+\\.\\d+%.*of 128M.*of 128M"))
							Eventually(session).Should(Say("#1\\s+(running|starting)\\s+\\d{4}-[01]\\d-[0-3]\\dT[0-2][0-9]:[0-5]\\d:[0-5]\\dZ\\s+\\d+\\.\\d+%.*of 128M.*of 128M"))
							Eventually(session).Should(Exit(0))
						})
					})
				})

				When("the app is stopped", func() {
					BeforeEach(func() {
						helpers.WithHelloWorldApp(func(appDir string) {
							Eventually(helpers.CF("push", appName, "-p", appDir, "-b", "staticfile_buildpack", "--no-start")).Should(Exit(0))
						})
					})

					It("displays that there are no running instances of the app", func() {
						session := helpers.CF("app", appName)

						userName, _ := helpers.GetCredentials()
						Eventually(session).Should(Say(`Showing health and status for app %s in org %s / space %s as %s\.\.\.`, appName, orgName, spaceName, userName))
						Eventually(session).Should(Say("name:\\s+%s", appName))
						Eventually(session).Should(Say("requested state:\\s+stopped"))
						Eventually(session).Should(Say("usage:\\s+\\d+M x 1 instances"))
						Eventually(session).Should(Say("There are no running instances of this app."))
						Eventually(session).Should(Exit(0))
					})
				})

				When("the app has 0 instances", func() {
					BeforeEach(func() {
						helpers.SkipIfVersionLessThan(ccversion.MinVersionZeroAppInstancesV2)
						helpers.WithHelloWorldApp(func(appDir string) {
							Eventually(helpers.CF("push", appName, "-p", appDir, "-b", "staticfile_buildpack", "-i", "0")).Should(Exit(0))
						})
					})

					It("displays the app information", func() {
						session := helpers.CF("app", appName)
						userName, _ := helpers.GetCredentials()

						Eventually(session).Should(Say(`Showing health and status for app %s in org %s / space %s as %s\.\.\.`, appName, orgName, spaceName, userName))
						Eventually(session).Should(Say("name:\\s+%s", appName))
						Eventually(session).Should(Say("requested state:\\s+started"))
						Eventually(session).Should(Say("usage:\\s+\\d+M x 0 instances"))
						Eventually(session).Should(Say("There are no running instances of this app."))
						Eventually(session).Should(Exit(0))
					})
				})

				When("the --guid flag is given", func() {
					var appGUID string

					BeforeEach(func() {
						helpers.WithHelloWorldApp(func(appDir string) {
							Eventually(helpers.CF("push", appName, "-p", appDir, "-b", "staticfile_buildpack", "--no-start")).Should(Exit(0))
						})

						var AppInfo struct {
							Resources []struct {
								Metadata struct {
									GUID string `json:"guid"`
								} `json:"metadata"`
							} `json:"resources"`
						}
						helpers.Curl(&AppInfo, "/v2/apps?q=name:%s", appName)
						appGUID = AppInfo.Resources[0].Metadata.GUID
					})

					It("displays the app guid", func() {
						session := helpers.CF("app", "--guid", appName)
						Eventually(session).Should(Say(appGUID))
						Eventually(session).Should(Exit(0))
					})
				})
			})
		})

		Describe("version independent display", func() {
			When("the app name is not provided", func() {
				It("tells the user that the app name is required, prints help text, and exits 1", func() {
					session := helpers.CF("app")

					Eventually(session.Err).Should(Say("Incorrect Usage: the required argument `APP_NAME` was not provided"))
					Eventually(session).Should(Say("NAME:"))
					Eventually(session).Should(Exit(1))
				})
			})

			When("the app does not exist", func() {
				When("no flags are given", func() {
					It("tells the user that the app is not found and exits 1", func() {
						session := helpers.CF("app", appName)

						Eventually(session).Should(Say("FAILED"))
						Eventually(session.Err).Should(Say("App %s not found", appName))
						Eventually(session).Should(Exit(1))
					})
				})

				When("the --guid flag is given", func() {
					It("tells the user that the app is not found and exits 1", func() {
						session := helpers.CF("app", "--guid", appName)

						Eventually(session).Should(Say("FAILED"))
						Eventually(session.Err).Should(Say("App %s not found", appName))
						Eventually(session).Should(Exit(1))
					})
				})
			})

			When("the app exists", func() {
				When("isolation segments are available", func() {
					BeforeEach(func() {
						helpers.SkipIfVersionLessThan(ccversion.MinVersionIsolationSegmentV3)

						Eventually(helpers.CF("create-isolation-segment", RealIsolationSegment)).Should(Exit(0))
						Eventually(helpers.CF("enable-org-isolation", orgName, RealIsolationSegment)).Should(Exit(0))
						Eventually(helpers.CF("set-space-isolation-segment", spaceName, RealIsolationSegment)).Should(Exit(0))

						helpers.WithHelloWorldApp(func(appDir string) {
							Eventually(helpers.CF("push", appName, "-p", appDir, "-b", "staticfile_buildpack")).Should(Exit(0))
						})
					})

					It("displays the app isolation segment information", func() {
						session := helpers.CF("app", appName)

						Eventually(session).Should(Say("isolation segment:\\s+%s", RealIsolationSegment))
						Eventually(session).Should(Exit(0))
					})
				})

				When("isolation segment is not set for the application", func() {
					BeforeEach(func() {
						helpers.WithHelloWorldApp(func(appDir string) {
							Eventually(helpers.CF("push", appName, "-p", appDir, "-b", "staticfile_buildpack")).Should(Exit(0))
						})
					})

					It("displays the app isolation segment information", func() {
						session := helpers.CF("app", appName)

						Consistently(session).ShouldNot(Say("isolation segment:"))
						Eventually(session).Should(Exit(0))
					})
				})

				When("the app is a Docker app", func() {
					BeforeEach(func() {
						Eventually(helpers.CF("push", appName, "-o", DockerImage)).Should(Exit())
					})

					It("displays the docker image", func() {
						session := helpers.CF("app", appName)
						Eventually(session).Should(Say("name:\\s+%s", appName))
						Eventually(session).Should(Say("docker image:\\s+%s", DockerImage))
						Eventually(session).Should(Exit(0))
					})

					It("does not display buildpack", func() {
						session := helpers.CF("app", appName)
						Consistently(session).ShouldNot(Say("buildpacks?:"))
						Eventually(session).Should(Exit(0))
					})
				})

				When("the app has tcp routes", func() {
					var tcpDomain helpers.Domain

					BeforeEach(func() {
						helpers.SkipIfVersionLessThan(ccversion.MinVersionRoutingV3)

						tcpDomain = helpers.NewDomain(orgName, helpers.NewDomainName("tcp"))
						tcpDomain.CreateWithRouterGroup(helpers.FindOrCreateTCPRouterGroup(GinkgoParallelNode()))
						helpers.WithHelloWorldApp(func(appDir string) {
							manifestContents := []byte(fmt.Sprintf(`
---
applications:
- name: %s
  routes:
  - route: %s:1024
`, appName, tcpDomain.Name))
							manifestPath := filepath.Join(appDir, "manifest.yml")
							err := ioutil.WriteFile(manifestPath, manifestContents, 0666)
							Expect(err).ToNot(HaveOccurred())

							// Create manifest
							Eventually(helpers.CF("push", appName, "-p", appDir, "-f", manifestPath, "-b", "staticfile_buildpack")).Should(Exit(0))
						})

						It("displays the app information", func() {
							session := helpers.CF("app", appName)
							Eventually(session).Should(Say("routes:\\s+[\\w\\d-]+\\.%s", tcpDomain))
							Eventually(session).Should(Exit(0))
						})
					})
				})
			})
		})
	})
})