Golang fakes.FakeFileSystem類代碼示例

func testUbuntuSetupDhcp(
	t *testing.T,
	fakeStats *fakestats.FakeStatsCollector,
	fakeFs *fakesys.FakeFileSystem,
	fakeCmdRunner *fakesys.FakeCmdRunner,
	fakeDiskManager fakedisk.FakeDiskManager,
	fakeCompressor *fakedisk.FakeCompressor,
) {
	networks := boshsettings.Networks{
		"bosh": boshsettings.Network{
			Default: []string{"dns"},
			Dns:     []string{"xx.xx.xx.xx", "yy.yy.yy.yy", "zz.zz.zz.zz"},
		},
		"vip": boshsettings.Network{
			Default: []string{},
			Dns:     []string{"aa.aa.aa.aa"},
		},
	}

	ubuntu := newUbuntuPlatform(fakeStats, fakeFs, fakeCmdRunner, fakeDiskManager, fakeCompressor)
	ubuntu.SetupDhcp(networks)

	dhcpConfig := fakeFs.GetFileTestStat("/etc/dhcp3/dhclient.conf")
	assert.NotNil(t, dhcpConfig)
	assert.Equal(t, dhcpConfig.Content, EXPECTED_DHCP_CONFIG)
}

func init() {
	Describe("concreteV1Service", func() {
		var (
			fs       *fakesys.FakeFileSystem
			specPath = "/spec.json"
			service  V1Service
		)

		BeforeEach(func() {
			fs = fakesys.NewFakeFileSystem()
			service = NewConcreteV1Service(fs, specPath)
		})

		Describe("Get", func() {
			Context("when filesystem has a spec file", func() {
				BeforeEach(func() {
					fs.WriteFileString(specPath, `{"deployment":"fake-deployment-name"}`)
				})

				It("reads spec from filesystem", func() {
					spec, err := service.Get()
					Expect(err).ToNot(HaveOccurred())
					Expect(spec).To(Equal(V1ApplySpec{Deployment: "fake-deployment-name"}))
				})

				It("returns error if reading spec from filesystem errs", func() {
					fs.ReadFileError = errors.New("fake-read-error")

					spec, err := service.Get()
					Expect(err).To(HaveOccurred())
					Expect(err.Error()).To(ContainSubstring("fake-read-error"))
					Expect(spec).To(Equal(V1ApplySpec{}))
				})
			})

			Context("when filesystem does not have a spec file", func() {
				It("reads spec from filesystem", func() {
					spec, err := service.Get()
					Expect(err).ToNot(HaveOccurred())
					Expect(spec).To(Equal(V1ApplySpec{}))
				})
			})
		})

		Describe("Set", func() {
			newSpec := V1ApplySpec{Deployment: "fake-deployment-name"}

			It("writes spec to filesystem", func() {
				err := service.Set(newSpec)
				Expect(err).ToNot(HaveOccurred())

				specPathStats := fs.GetFileTestStat(specPath)
				Expect(specPathStats).ToNot(BeNil())
				boshassert.MatchesJSONBytes(GinkgoT(), newSpec, specPathStats.Content)
			})

			It("returns error if writing spec to filesystem errs", func() {
				fs.WriteToFileError = errors.New("fake-write-error")

				err := service.Set(newSpec)
				Expect(err).To(HaveOccurred())
				Expect(err.Error()).To(ContainSubstring("fake-write-error"))
			})
		})

		Describe("PopulateDynamicNetworks", func() {
			Context("when there are no dynamic networks", func() {
				unresolvedSpec := V1ApplySpec{
					Deployment: "fake-deployment",
					NetworkSpecs: map[string]NetworkSpec{
						"fake-net": NetworkSpec{
							Fields: map[string]interface{}{"ip": "fake-net-ip"},
						},
					},
				}

				It("returns spec without modifying any networks", func() {
					spec, err := service.PopulateDynamicNetworks(unresolvedSpec, boshsettings.Settings{})
					Expect(err).ToNot(HaveOccurred())
					Expect(spec).To(Equal(V1ApplySpec{
						Deployment: "fake-deployment",
						NetworkSpecs: map[string]NetworkSpec{
							"fake-net": NetworkSpec{
								Fields: map[string]interface{}{"ip": "fake-net-ip"},
							},
						},
					}))
				})
			})

			Context("when there are dynamic networks", func() {
				unresolvedSpec := V1ApplySpec{
					Deployment: "fake-deployment",
					NetworkSpecs: map[string]NetworkSpec{
						"fake-net1": NetworkSpec{
							Fields: map[string]interface{}{
								"ip":      "fake-net1-ip",
								"netmask": "fake-net1-netmask",
								"gateway": "fake-net1-gateway",
							},
//.........這裏部分代碼省略.........

func init() {
	const expectedUbuntuDHCPConfig = `# Generated by bosh-agent

option rfc3442-classless-static-routes code 121 = array of unsigned integer 8;

send host-name "<hostname>";

request subnet-mask, broadcast-address, time-offset, routers,
	domain-name, domain-name-servers, domain-search, host-name,
	netbios-name-servers, netbios-scope, interface-mtu,
	rfc3442-classless-static-routes, ntp-servers;

prepend domain-name-servers zz.zz.zz.zz;
prepend domain-name-servers yy.yy.yy.yy;
prepend domain-name-servers xx.xx.xx.xx;
`

	Describe("ubuntu", func() {
		var (
			collector     *fakestats.FakeStatsCollector
			fs            *fakesys.FakeFileSystem
			cmdRunner     *fakesys.FakeCmdRunner
			diskManager   *fakedisk.FakeDiskManager
			dirProvider   boshdirs.DirectoriesProvider
			platform      Platform
			cdutil        *fakecd.FakeCdUtil
			compressor    boshcmd.Compressor
			copier        boshcmd.Copier
			vitalsService boshvitals.Service
			logger        boshlog.Logger
		)

		BeforeEach(func() {
			collector = &fakestats.FakeStatsCollector{}
			fs = fakesys.NewFakeFileSystem()
			cmdRunner = fakesys.NewFakeCmdRunner()
			diskManager = fakedisk.NewFakeDiskManager()
			dirProvider = boshdirs.NewDirectoriesProvider("/fake-dir")
			cdutil = fakecd.NewFakeCdUtil()
			compressor = boshcmd.NewTarballCompressor(cmdRunner, fs)
			copier = boshcmd.NewCpCopier(cmdRunner, fs)
			vitalsService = boshvitals.NewService(collector, dirProvider)
			logger = boshlog.NewLogger(boshlog.LevelNone)
		})

		JustBeforeEach(func() {
			netManager := boshnet.NewUbuntuNetManager(fs, cmdRunner, 1*time.Millisecond)

			platform = NewLinuxPlatform(
				fs,
				cmdRunner,
				collector,
				compressor,
				copier,
				dirProvider,
				vitalsService,
				cdutil,
				diskManager,
				netManager,
				1*time.Millisecond,
				logger,
			)
		})

		Describe("SetupDhcp", func() {
			networks := boshsettings.Networks{
				"bosh": boshsettings.Network{
					Default: []string{"dns"},
					DNS:     []string{"xx.xx.xx.xx", "yy.yy.yy.yy", "zz.zz.zz.zz"},
				},
				"vip": boshsettings.Network{
					Default: []string{},
					DNS:     []string{"aa.aa.aa.aa"},
				},
			}

			Context("when dhcp was not previously configured", func() {
				It("updates dhclient.conf", func() {
					err := platform.SetupDhcp(networks)
					Expect(err).ToNot(HaveOccurred())

					dhcpConfig := fs.GetFileTestStat("/etc/dhcp3/dhclient.conf")
					Expect(dhcpConfig).ToNot(BeNil())
					Expect(dhcpConfig.StringContents()).To(Equal(expectedUbuntuDHCPConfig))
				})

				It("restarts dhclient", func() {
					err := platform.SetupDhcp(networks)
					Expect(err).ToNot(HaveOccurred())

					Expect(len(cmdRunner.RunCommands)).To(Equal(2))
					Expect(cmdRunner.RunCommands[0]).To(Equal([]string{"pkill", "dhclient3"}))
					Expect(cmdRunner.RunCommands[1]).To(Equal([]string{"/etc/init.d/networking", "restart"}))
				})
			})

			Context("when dhcp was previously configured with different configuration", func() {
				BeforeEach(func() {
					fs.WriteFileString("/etc/dhcp3/dhclient.conf", "fake-other-configuration")
				})
//.........這裏部分代碼省略.........

func init() {
	const expectedUbuntuDHCPConfig = `# Generated by bosh-agent

option rfc3442-classless-static-routes code 121 = array of unsigned integer 8;

send host-name "<hostname>";

request subnet-mask, broadcast-address, time-offset, routers,
	domain-name, domain-name-servers, domain-search, host-name,
	netbios-name-servers, netbios-scope, interface-mtu,
	rfc3442-classless-static-routes, ntp-servers;

prepend domain-name-servers zz.zz.zz.zz, yy.yy.yy.yy, xx.xx.xx.xx;
`

	Describe("ubuntuNetManager", func() {
		var (
			fs                     *fakesys.FakeFileSystem
			cmdRunner              *fakesys.FakeCmdRunner
			defaultNetworkResolver *fakenet.FakeDefaultNetworkResolver
			netManager             NetManager
		)

		BeforeEach(func() {
			fs = fakesys.NewFakeFileSystem()
			cmdRunner = fakesys.NewFakeCmdRunner()
			defaultNetworkResolver = &fakenet.FakeDefaultNetworkResolver{}
			logger := boshlog.NewLogger(boshlog.LevelNone)
			netManager = NewUbuntuNetManager(fs, cmdRunner, defaultNetworkResolver, 1*time.Millisecond, logger)
		})

		Describe("SetupDhcp", func() {
			networks := boshsettings.Networks{
				"bosh": boshsettings.Network{
					Default: []string{"dns"},
					DNS:     []string{"xx.xx.xx.xx", "yy.yy.yy.yy", "zz.zz.zz.zz"},
				},
				"vip": boshsettings.Network{
					Default: []string{},
					DNS:     []string{"aa.aa.aa.aa"},
				},
			}

			ItRestartsDhcp := func() {
				Context("when ifconfig version is 0.7", func() {
					BeforeEach(func() {
						cmdRunner.AddCmdResult("ifup --version", fakesys.FakeCmdResult{
							Stdout: "ifup version 0.7.47",
						})
					})

					It("restarts dhclient", func() {
						err := netManager.SetupDhcp(networks)
						Expect(err).ToNot(HaveOccurred())

						Expect(len(cmdRunner.RunCommands)).To(Equal(3))
						Expect(cmdRunner.RunCommands[1]).To(Equal([]string{"ifdown", "-a", "--no-loopback"}))
						Expect(cmdRunner.RunCommands[2]).To(Equal([]string{"ifup", "-a", "--no-loopback"}))
					})
				})

				Context("when ifconfig version is 0.6", func() {
					BeforeEach(func() {
						cmdRunner.AddCmdResult("ifup --version", fakesys.FakeCmdResult{
							Stdout: "ifup version 0.6.0",
						})
					})

					It("restarts dhclient", func() {
						err := netManager.SetupDhcp(networks)
						Expect(err).ToNot(HaveOccurred())

						Expect(len(cmdRunner.RunCommands)).To(Equal(3))
						Expect(cmdRunner.RunCommands[1]).To(Equal([]string{"ifdown", "-a", "--exclude=lo"}))
						Expect(cmdRunner.RunCommands[2]).To(Equal([]string{"ifup", "-a", "--exclude=lo"}))
					})
				})
			}

			ItUpdatesDhcp3Config := func() {
				It("updates /etc/dhcp3/dhclient.conf", func() {
					err := netManager.SetupDhcp(networks)
					Expect(err).ToNot(HaveOccurred())

					dhcpConfig := fs.GetFileTestStat("/etc/dhcp3/dhclient.conf")
					Expect(dhcpConfig).ToNot(BeNil())
					Expect(dhcpConfig.StringContents()).To(Equal(expectedUbuntuDHCPConfig))
				})
			}

			ItUpdatesDhcpConfig := func() {
				It("updates /etc/dhcp/dhclient.conf", func() {
					err := netManager.SetupDhcp(networks)
					Expect(err).ToNot(HaveOccurred())

					dhcpConfig := fs.GetFileTestStat("/etc/dhcp/dhclient.conf")
					Expect(dhcpConfig).ToNot(BeNil())
					Expect(dhcpConfig.StringContents()).To(Equal(expectedUbuntuDHCPConfig))
				})
			}
//.........這裏部分代碼省略.........

	"errors"
	"os"

	. "github.com/onsi/ginkgo"
	. "github.com/onsi/gomega"

	. "bosh/agent/applier/bundlecollection"
	boshlog "bosh/logger"
	fakesys "bosh/system/fakes"
)

var _ = Describe("FileBundle", func() {
	var (
		fs          *fakesys.FakeFileSystem
		logger      boshlog.Logger
		sourcePath  string
		installPath string
		enablePath  string
		fileBundle  FileBundle
	)

	BeforeEach(func() {
		fs = fakesys.NewFakeFileSystem()
		installPath = "/install-path"
		enablePath = "/enable-path"
		logger = boshlog.NewLogger(boshlog.LevelNone)
		fileBundle = NewFileBundle(installPath, enablePath, fs, logger)
	})

	createSourcePath := func() string {
		path := "/source-path"
		err := fs.MkdirAll(path, os.ModePerm)

package main_test

import (
	fakesys "bosh/system/fakes"
	. "github.com/onsi/ginkgo"
	. "github.com/onsi/gomega"

	. "boshprovisioner/main"
	bpvm "boshprovisioner/vm"
)

var _ = Describe("NewConfigFromPath", func() {
	var (
		fs *fakesys.FakeFileSystem
	)

	BeforeEach(func() {
		fs = fakesys.NewFakeFileSystem()
	})

	It("defautls null values to agent provisioner config defaults", func() {
		configJSON := `{
      "manifest_path": "fake-manifest-path",
      "assets_dir": "fake-assets-dir",
      "repos_dir": "fake-repos-dir",
      "blobstore": {
        "provider": "local",
        "options": {
          "blobstore_path": "fake-blobstore-path"
        }
      },

	fakestats "bosh/platform/stats/fakes"
	boshvitals "bosh/platform/vitals"
	boshsettings "bosh/settings"
	boshdirs "bosh/settings/directories"
	fakesys "bosh/system/fakes"
)

var _ = Describe("LinuxPlatform", func() {
	var (
		collector          *fakestats.FakeStatsCollector
		fs                 *fakesys.FakeFileSystem
		cmdRunner          *fakesys.FakeCmdRunner
		diskManager        *fakedisk.FakeDiskManager
		dirProvider        boshdirs.DirectoriesProvider
		diskWaitTimeout    time.Duration
		devicePathResolver *fakedpresolv.FakeDevicePathResolver
		platform           Platform
		cdutil             *fakecd.FakeCdUtil
		compressor         boshcmd.Compressor
		copier             boshcmd.Copier
		vitalsService      boshvitals.Service
		netManager         *fakenet.FakeNetManager
		options            LinuxOptions
	)

	BeforeEach(func() {
		logger := boshlog.NewLogger(boshlog.LevelNone)

		collector = &fakestats.FakeStatsCollector{}
		fs = fakesys.NewFakeFileSystem()
		cmdRunner = fakesys.NewFakeCmdRunner()
		diskManager = fakedisk.NewFakeDiskManager()

func init() {
	const expectedCentosDHCPConfig = `# Generated by bosh-agent

option rfc3442-classless-static-routes code 121 = array of unsigned integer 8;

send host-name "<hostname>";

request subnet-mask, broadcast-address, time-offset, routers,
	domain-name, domain-name-servers, domain-search, host-name,
	netbios-name-servers, netbios-scope, interface-mtu,
	rfc3442-classless-static-routes, ntp-servers;

prepend domain-name-servers zz.zz.zz.zz;
prepend domain-name-servers yy.yy.yy.yy;
prepend domain-name-servers xx.xx.xx.xx;
`

	const expectedCentosIfcfg = `DEVICE=eth0
BOOTPROTO=static
IPADDR=192.168.195.6
NETMASK=255.255.255.0
BROADCAST=192.168.195.255
GATEWAY=192.168.195.1
ONBOOT=yes`

	Describe("centos", func() {
		var (
			collector     *fakestats.FakeStatsCollector
			fs            *fakesys.FakeFileSystem
			cmdRunner     *fakesys.FakeCmdRunner
			diskManager   *fakedisk.FakeDiskManager
			dirProvider   boshdirs.DirectoriesProvider
			platform      Platform
			cdutil        *fakecd.FakeCdUtil
			compressor    boshcmd.Compressor
			copier        boshcmd.Copier
			vitalsService boshvitals.Service
			logger        boshlog.Logger
		)

		BeforeEach(func() {
			collector = &fakestats.FakeStatsCollector{}
			fs = fakesys.NewFakeFileSystem()
			cmdRunner = fakesys.NewFakeCmdRunner()
			diskManager = fakedisk.NewFakeDiskManager()
			dirProvider = boshdirs.NewDirectoriesProvider("/fake-dir")
			cdutil = fakecd.NewFakeCdUtil()
			compressor = boshcmd.NewTarballCompressor(cmdRunner, fs)
			copier = boshcmd.NewCpCopier(cmdRunner, fs)
			vitalsService = boshvitals.NewService(collector, dirProvider)
			logger = boshlog.NewLogger(boshlog.LevelNone)
		})

		JustBeforeEach(func() {
			netManager := boshnet.NewCentosNetManager(fs, cmdRunner, 1*time.Millisecond)

			platform = NewLinuxPlatform(
				fs,
				cmdRunner,
				collector,
				compressor,
				copier,
				dirProvider,
				vitalsService,
				cdutil,
				diskManager,
				netManager,
				1*time.Millisecond,
				logger,
			)
		})

		Describe("SetupDhcp", func() {
			networks := boshsettings.Networks{
				"bosh": boshsettings.Network{
					Default: []string{"dns"},
					DNS:     []string{"xx.xx.xx.xx", "yy.yy.yy.yy", "zz.zz.zz.zz"},
				},
				"vip": boshsettings.Network{
					Default: []string{},
					DNS:     []string{"aa.aa.aa.aa"},
				},
			}

			Context("when dhcp was not previously configured", func() {
				It("writes dhcp configuration", func() {
					err := platform.SetupDhcp(networks)
					Expect(err).ToNot(HaveOccurred())

					dhcpConfig := fs.GetFileTestStat("/etc/dhcp/dhclient.conf")
					Expect(dhcpConfig).ToNot(BeNil())
					Expect(dhcpConfig.StringContents()).To(Equal(expectedCentosDHCPConfig))
				})

				It("restarts network", func() {
					err := platform.SetupDhcp(networks)
					Expect(err).ToNot(HaveOccurred())

					Expect(len(cmdRunner.RunCommands)).To(Equal(1))
					Expect(cmdRunner.RunCommands[0]).To(Equal([]string{"service", "network", "restart"}))
//.........這裏部分代碼省略.........

package bundlecollection_test

import (
	. "bosh/agent/applier/bundlecollection"
	fakesys "bosh/system/fakes"
	"errors"
	. "github.com/onsi/ginkgo"
	. "github.com/onsi/gomega"
	"os"
)

var _ = Describe("FileBundle", func() {
	var (
		fs          *fakesys.FakeFileSystem
		installPath string
		enablePath  string
		fileBundle  FileBundle
	)

	BeforeEach(func() {
		fs = &fakesys.FakeFileSystem{}
		installPath = "/install-path"
		enablePath = "/enable-path"
	})

	JustBeforeEach(func() {
		fileBundle = NewFileBundle(installPath, enablePath, fs)
	})

	Describe("#Install", func() {
		It("Installs the bundle at the given path with the correct permissions", func() {

	. "github.com/onsi/gomega"
	"github.com/stretchr/testify/assert"

	. "bosh/infrastructure"
	fakedpresolv "bosh/infrastructure/devicepathresolver/fakes"
	fakeplatform "bosh/platform/fakes"
	boshsettings "bosh/settings"
	boshdir "bosh/settings/directories"
	fakefs "bosh/system/fakes"
)

var _ = Describe("dummyInfrastructure", func() {
	Describe("GetSettings", func() {
		var (
			fs          *fakefs.FakeFileSystem
			dirProvider boshdir.DirectoriesProvider
			inf         Infrastructure
		)

		BeforeEach(func() {
			fs = fakefs.NewFakeFileSystem()
			dirProvider = boshdir.NewDirectoriesProvider("/var/vcap")
			platform := fakeplatform.NewFakePlatform()
			fakeDevicePathResolver := fakedpresolv.NewFakeDevicePathResolver()
			inf = NewDummyInfrastructure(fs, dirProvider, platform, fakeDevicePathResolver)
		})

		Context("when infrastructure settings file is found", func() {
			BeforeEach(func() {
				settingsPath := filepath.Join(dirProvider.BoshDir(), "dummy-cpi-agent-env.json")

import (
	"errors"

	. "github.com/onsi/ginkgo"
	. "github.com/onsi/gomega"

	. "bosh/blobstore"
	fakesys "bosh/system/fakes"
	fakeuuid "bosh/uuid/fakes"
)

var _ = Describe("localBlobstore", func() {
	var (
		fs                *fakesys.FakeFileSystem
		uuidGen           *fakeuuid.FakeGenerator
		fakeBlobstorePath = "/some/local/path"
		blobstore         Blobstore
	)

	BeforeEach(func() {
		fs = fakesys.NewFakeFileSystem()
		uuidGen = &fakeuuid.FakeGenerator{}
		options := map[string]interface{}{"blobstore_path": fakeBlobstorePath}
		blobstore = NewLocalBlobstore(fs, uuidGen, options)
	})

	Describe("Validate", func() {
		It("returns no error when blobstore_path is present", func() {
			err := blobstore.Validate()
			Expect(err).ToNot(HaveOccurred())
		})

	. "github.com/onsi/ginkgo"
	. "github.com/onsi/gomega"

	boshlog "bosh/logger"
	. "bosh/platform"
	fakestats "bosh/platform/stats/fakes"
	boshsettings "bosh/settings"
	boshdirs "bosh/settings/directories"
	fakesys "bosh/system/fakes"
)

var _ = Describe("dummyPlatform", func() {
	var (
		collector   *fakestats.FakeStatsCollector
		fs          *fakesys.FakeFileSystem
		cmdRunner   *fakesys.FakeCmdRunner
		dirProvider boshdirs.DirectoriesProvider
		platform    Platform
	)

	BeforeEach(func() {
		collector = &fakestats.FakeStatsCollector{}
		fs = fakesys.NewFakeFileSystem()
		cmdRunner = fakesys.NewFakeCmdRunner()
		dirProvider = boshdirs.NewDirectoriesProvider("/fake-dir")
		logger := boshlog.NewLogger(boshlog.LevelNone)
		platform = NewDummyPlatform(collector, fs, cmdRunner, dirProvider, logger)
	})

	Describe("GetDefaultNetwork", func() {
		Context("when default networks settings file is found", func() {

	. "github.com/onsi/ginkgo"
	. "github.com/onsi/gomega"

	boshassert "bosh/assert"
	. "bosh/blobstore"
	boshdir "bosh/settings/directories"
	fakesys "bosh/system/fakes"
	fakeuuid "bosh/uuid/fakes"
)

var _ = Describe("external", func() {
	var (
		fs         *fakesys.FakeFileSystem
		runner     *fakesys.FakeCmdRunner
		uuidGen    *fakeuuid.FakeGenerator
		configPath string
		blobstore  Blobstore
	)

	BeforeEach(func() {
		fs = fakesys.NewFakeFileSystem()
		runner = fakesys.NewFakeCmdRunner()
		uuidGen = &fakeuuid.FakeGenerator{}
		dirProvider := boshdir.NewDirectoriesProvider("/var/vcap")
		configPath = filepath.Join(dirProvider.EtcDir(), "blobstore-fake-provider.json")
		blobstore = NewExternalBlobstore("fake-provider", map[string]interface{}{}, fs, runner, uuidGen, configPath)
	})

	Describe("Validate", func() {
		It("external validate writes config file", func() {

func init() {
	Describe("Testing with Ginkgo", func() {
		var (
			collector       *fakestats.FakeStatsCollector
			fs              *fakesys.FakeFileSystem
			cmdRunner       *fakesys.FakeCmdRunner
			diskManager     fakedisk.FakeDiskManager
			dirProvider     boshdirs.DirectoriesProvider
			diskWaitTimeout time.Duration
			platform        Platform
			cdutil          *fakecd.FakeCdUtil
			compressor      boshcmd.Compressor
			copier          boshcmd.Copier
			vitalsService   boshvitals.Service
		)

		BeforeEach(func() {
			collector = &fakestats.FakeStatsCollector{}
			fs = &fakesys.FakeFileSystem{}
			cmdRunner = &fakesys.FakeCmdRunner{}
			diskManager = fakedisk.NewFakeDiskManager(cmdRunner)
			dirProvider = boshdirs.NewDirectoriesProvider("/fake-dir")
			diskWaitTimeout = 1 * time.Millisecond
			cdutil = fakecd.NewFakeCdUtil()
			compressor = boshcmd.NewTarballCompressor(cmdRunner, fs)
			copier = boshcmd.NewCpCopier(cmdRunner, fs)
			vitalsService = boshvitals.NewService(collector, dirProvider)
		})

		JustBeforeEach(func() {
			netManager := boshnet.NewUbuntuNetManager(fs, cmdRunner, 1*time.Millisecond)

			platform = NewLinuxPlatform(
				fs,
				cmdRunner,
				collector,
				compressor,
				copier,
				dirProvider,
				vitalsService,
				cdutil,
				diskManager,
				diskWaitTimeout,
				netManager,
			)
		})

		It("ubuntu setup runtime configuration", func() {
			err := platform.SetupRuntimeConfiguration()
			assert.NoError(GinkgoT(), err)

			assert.Equal(GinkgoT(), 1, len(cmdRunner.RunCommands))
			assert.Equal(GinkgoT(), []string{"bosh-agent-rc"}, cmdRunner.RunCommands[0])
		})

		It("ubuntu create user", func() {
			expectedUseradd := []string{
				"useradd",
				"-m",
				"-b", "/some/path/to/home",
				"-s", "/bin/bash",
				"-p", "bar-pwd",
				"foo-user",
			}

			password := "bar-pwd"

			err := platform.CreateUser("foo-user", password, "/some/path/to/home")
			assert.NoError(GinkgoT(), err)

			basePathStat := fs.GetFileTestStat("/some/path/to/home")
			assert.Equal(GinkgoT(), fakesys.FakeFileTypeDir, basePathStat.FileType)
			assert.Equal(GinkgoT(), os.FileMode(0755), basePathStat.FileMode)

			assert.Equal(GinkgoT(), 1, len(cmdRunner.RunCommands))
			assert.Equal(GinkgoT(), expectedUseradd, cmdRunner.RunCommands[0])
		})

		It("ubuntu create user with an empty password", func() {
			expectedUseradd := []string{
				"useradd",
				"-m",
				"-b", "/some/path/to/home",
				"-s", "/bin/bash",
				"foo-user",
			}
			password := ""

			err := platform.CreateUser("foo-user", password, "/some/path/to/home")
			assert.NoError(GinkgoT(), err)

			basePathStat := fs.GetFileTestStat("/some/path/to/home")
			assert.Equal(GinkgoT(), fakesys.FakeFileTypeDir, basePathStat.FileType)
			assert.Equal(GinkgoT(), os.FileMode(0755), basePathStat.FileMode)

			assert.Equal(GinkgoT(), 1, len(cmdRunner.RunCommands))
			assert.Equal(GinkgoT(), expectedUseradd, cmdRunner.RunCommands[0])
		})

		It("ubuntu add user to groups", func() {
//.........這裏部分代碼省略.........

func init() {
	Describe("concretePackageApplier", func() {
		var (
			packagesBc *fakebc.FakeBundleCollection
			blobstore  *fakeblob.FakeBlobstore
			compressor *fakecmd.FakeCompressor
			fs         *fakesys.FakeFileSystem
			logger     boshlog.Logger
			applier    PackageApplier
		)

		BeforeEach(func() {
			packagesBc = fakebc.NewFakeBundleCollection()
			blobstore = fakeblob.NewFakeBlobstore()
			compressor = fakecmd.NewFakeCompressor()
			fs = fakesys.NewFakeFileSystem()
			logger = boshlog.NewLogger(boshlog.LevelNone)
			applier = NewConcretePackageApplier(packagesBc, true, blobstore, compressor, fs, logger)
		})

		Describe("Prepare & Apply", func() {
			var (
				pkg    models.Package
				bundle *fakebc.FakeBundle
			)

			BeforeEach(func() {
				pkg, bundle = buildPkg(packagesBc)
			})

			ItInstallsPkg := func(act func() error) {
				It("returns error when installing package fails", func() {
					bundle.InstallError = errors.New("fake-install-error")

					err := act()
					Expect(err).To(HaveOccurred())
					Expect(err.Error()).To(ContainSubstring("fake-install-error"))
				})

				It("downloads and later cleans up downloaded package blob", func() {
					blobstore.GetFileName = "/fake-blobstore-file-name"

					err := act()
					Expect(err).ToNot(HaveOccurred())
					Expect(blobstore.GetBlobIDs[0]).To(Equal("fake-blobstore-id"))
					Expect(blobstore.GetFingerprints[0]).To(Equal("fake-blob-sha1"))

					// downloaded file is cleaned up
					Expect(blobstore.CleanUpFileName).To(Equal("/fake-blobstore-file-name"))
				})

				It("returns error when downloading package blob fails", func() {
					blobstore.GetError = errors.New("fake-get-error")

					err := act()
					Expect(err).To(HaveOccurred())
					Expect(err.Error()).To(ContainSubstring("fake-get-error"))
				})

				It("decompresses package blob to tmp path and later cleans it up", func() {
					fs.TempDirDir = "/fake-tmp-dir"
					blobstore.GetFileName = "/fake-blobstore-file-name"

					var tmpDirExistsBeforeInstall bool

					bundle.InstallCallBack = func() {
						tmpDirExistsBeforeInstall = true
					}

					err := act()
					Expect(err).ToNot(HaveOccurred())

					Expect(compressor.DecompressFileToDirTarballPaths[0]).To(Equal("/fake-blobstore-file-name"))
					Expect(compressor.DecompressFileToDirDirs[0]).To(Equal("/fake-tmp-dir"))

					// tmp dir exists before bundle install
					Expect(tmpDirExistsBeforeInstall).To(BeTrue())

					// tmp dir is cleaned up after install
					Expect(fs.FileExists(fs.TempDirDir)).To(BeFalse())
				})

				It("returns error when temporary directory creation fails", func() {
					fs.TempDirError = errors.New("fake-filesystem-tempdir-error")

					err := act()
					Expect(err).To(HaveOccurred())
					Expect(err.Error()).To(ContainSubstring("fake-filesystem-tempdir-error"))
				})

				It("returns error when decompressing package blob fails", func() {
					compressor.DecompressFileToDirErr = errors.New("fake-decompress-error")

					err := act()
					Expect(err).To(HaveOccurred())
					Expect(err.Error()).To(ContainSubstring("fake-decompress-error"))
				})

				It("installs bundle from decompressed tmp path of a package blob", func() {
					fs.TempDirDir = "/fake-tmp-dir"
//.........這裏部分代碼省略.........