Golang FakeFileSystem.GetFileTestStat方法代碼示例

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)
}

//.........這裏部分代碼省略.........
					var installedBeforeDecompression bool

					compressor.DecompressFileToDirCallBack = func() {
						installedBeforeDecompression = bundle.Installed
					}

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

					// bundle installation did not happen before decompression
					Expect(installedBeforeDecompression).To(BeFalse())

					// make sure that bundle install happened after decompression
					Expect(bundle.InstallSourcePath).To(Equal("/fake-tmp-dir/fake-path-in-archive"))
				})

				It("sets executable bit for files in bin", func() {
					fs.TempDirDir = "/fake-tmp-dir"

					compressor.DecompressFileToDirCallBack = func() {
						fs.WriteFile("/fake-tmp-dir/fake-path-in-archive/bin/test1", []byte{})
						fs.WriteFile("/fake-tmp-dir/fake-path-in-archive/bin/test2", []byte{})
						fs.WriteFile("/fake-tmp-dir/fake-path-in-archive/config/test", []byte{})
					}

					fs.SetGlob("/fake-tmp-dir/fake-path-in-archive/bin/*", []string{
						"/fake-tmp-dir/fake-path-in-archive/bin/test1",
						"/fake-tmp-dir/fake-path-in-archive/bin/test2",
					})

					var binTest1Stats, binTest2Stats, configTestStats *fakesys.FakeFileStats

					bundle.InstallCallBack = func() {
						binTest1Stats = fs.GetFileTestStat("/fake-tmp-dir/fake-path-in-archive/bin/test1")
						binTest2Stats = fs.GetFileTestStat("/fake-tmp-dir/fake-path-in-archive/bin/test2")
						configTestStats = fs.GetFileTestStat("/fake-tmp-dir/fake-path-in-archive/config/test")
					}

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

					// bin files are executable
					Expect(int(binTest1Stats.FileMode)).To(Equal(0755))
					Expect(int(binTest2Stats.FileMode)).To(Equal(0755))

					// non-bin files are not made executable
					Expect(int(configTestStats.FileMode)).ToNot(Equal(0755))
				})
			}

			ItUpdatesPackages := func(act func() error) {
				var packageApplier *fakepa.FakePackageApplier

				BeforeEach(func() {
					packageApplier = fakepa.NewFakePackageApplier()
					packageApplierProvider.JobSpecificPackageAppliers[job.Name] = packageApplier
				})

				It("applies each package that job depends on and then cleans up packages", func() {
					err := act()
					Expect(err).ToNot(HaveOccurred())
					Expect(packageApplier.ActionsCalled).To(Equal([]string{"Apply", "Apply", "KeepOnly"}))
					Expect(len(packageApplier.AppliedPackages)).To(Equal(2)) // present
					Expect(packageApplier.AppliedPackages).To(Equal(job.Packages))
				})

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.........

		It("returns an error if creation of parent directory fails", func() {
			fs.MkdirAllError = errors.New("fake-mkdir-error")

			_, _, err := fileBundle.Install(sourcePath)
			Expect(err).To(HaveOccurred())
			Expect(err.Error()).To(ContainSubstring("fake-mkdir-error"))
		})

		It("sets correct permissions on install path", func() {
			fs.Chmod(sourcePath, os.FileMode(0700))

			_, _, err := fileBundle.Install(sourcePath)
			Expect(err).NotTo(HaveOccurred())

			fileStats := fs.GetFileTestStat(installPath)
			Expect(fileStats).ToNot(BeNil())
			Expect(fileStats.FileType).To(Equal(fakesys.FakeFileType(fakesys.FakeFileTypeDir)))
			Expect(fileStats.FileMode).To(Equal(os.FileMode(0755)))
		})

		It("is idempotent", func() {
			actualFs, path, err := fileBundle.Install(sourcePath)
			Expect(err).NotTo(HaveOccurred())
			Expect(actualFs).To(Equal(fs))
			Expect(path).To(Equal(installPath))

			otherSourcePath := createSourcePath()

			actualFs, path, err = fileBundle.Install(otherSourcePath)
			Expect(err).NotTo(HaveOccurred())

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

			err := platform.CreateUser("foo-user", "bar-pwd", "/some/path/to/home")
			Expect(err).NotTo(HaveOccurred())

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

			Expect(cmdRunner.RunCommands).To(Equal([][]string{expectedUseradd}))
		})

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

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

		BeforeEach(func() {
			fs = fakesys.NewFakeFileSystem()
			platform = fakeplatform.NewFakePlatform()
			service = NewConcreteV1Service(fs, platform, 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("ResolveDynamicNetworks", func() {
			Context("when there is 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.ResolveDynamicNetworks(unresolvedSpec)
					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 is one dynamic network", 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",
//.........這裏部分代碼省略.........

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.........

		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() {
			actualFs, path, err := fileBundle.Install()

			Expect(err).NotTo(HaveOccurred())
			Expect(actualFs).To(Equal(fs))
			Expect(path).To(Equal(installPath))
			Expect(actualFs.FileExists(installPath)).To(BeTrue())
			fileStats := fs.GetFileTestStat(installPath)
			Expect(fileStats).ToNot(BeNil())
			Expect(fileStats.FileType).To(Equal(fakesys.FakeFileType(fakesys.FakeFileTypeDir)))
			Expect(os.FileMode(0755)).To(Equal(fileStats.FileMode))
		})

		It("Errors when bundle cannot be installed", func() {
			fs.MkdirAllError = errors.New("fake-mkdirall-error")

			_, _, err := fileBundle.Install()

			Expect(err).To(HaveOccurred())
			Expect(err.Error()).To(ContainSubstring("fake-mkdirall-error"))
		})
	})

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.........

	})

	Describe("Get", func() {
		It("local get", func() {
			fs.WriteFileString(fakeBlobstorePath+"/fake-blob-id", "fake contents")

			tempFile, err := fs.TempFile("bosh-blobstore-local-TestLocalGet")
			Expect(err).ToNot(HaveOccurred())

			fs.ReturnTempFile = tempFile
			defer fs.RemoveAll(tempFile.Name())

			_, err = blobstore.Get("fake-blob-id", "")
			Expect(err).ToNot(HaveOccurred())

			fileStats := fs.GetFileTestStat(tempFile.Name())
			Expect(fileStats).ToNot(BeNil())
			Expect("fake contents").To(Equal(fileStats.StringContents()))
		})

		It("local get errs when temp file create errs", func() {
			fs.TempFileError = errors.New("fake-error")

			fileName, err := blobstore.Get("fake-blob-id", "")
			Expect(err).To(HaveOccurred())
			Expect(err.Error()).To(ContainSubstring("fake-error"))

			Expect(fileName).To(BeEmpty())
		})

		It("local get errs when copy file errs", func() {

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() {
	Describe("concreteV1Service", func() {
		var (
			fs       *fakesys.FakeFileSystem
			specPath string
			service  V1Service
		)

		BeforeEach(func() {
			fs = fakesys.NewFakeFileSystem()
			specPath = "/spec.json"
			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"))
			})
		})

	})
}

				Expect(addressBroadcaster.BroadcastMACAddressesAddresses).To(Equal(
					[]boship.InterfaceAddress{
						// Resolve IP address because IP may not be known
						boship.NewResolvingInterfaceAddress("eth0", ipResolver),
					},
				))
			})
		}

		ItUpdatesDhcpConfig := func() {
			It("writes dhcp configuration", func() {
				err := netManager.SetupDhcp(networks, nil)
				Expect(err).ToNot(HaveOccurred())

				dhcpConfig := fs.GetFileTestStat(dhcpConfPath)
				Expect(dhcpConfig).ToNot(BeNil())
				Expect(dhcpConfig.StringContents()).To(Equal(expectedDHCPConfig))
			})

			It("writes out DNS servers in order that was provided by the network because *single* DHCP prepend command is used", func() {
				err := netManager.SetupDhcp(networks, nil)
				Expect(err).ToNot(HaveOccurred())

				dhcpConfig := fs.GetFileTestStat(dhcpConfPath)
				Expect(dhcpConfig).ToNot(BeNil())
				Expect(dhcpConfig.StringContents()).To(ContainSubstring(`
prepend domain-name-servers xx.xx.xx.xx, yy.yy.yy.yy, zz.zz.zz.zz;
`))
			})

					err := netManager.SetupDhcp(networks, nil)
					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"}))
				})
			})
		}

		ItUpdatesDhcpConfig := func(dhcpConfPath string) {
			It("writes dhcp configuration", func() {
				err := netManager.SetupDhcp(networks, nil)
				Expect(err).ToNot(HaveOccurred())

				dhcpConfig := fs.GetFileTestStat(dhcpConfPath)
				Expect(dhcpConfig).ToNot(BeNil())
				Expect(dhcpConfig.StringContents()).To(Equal(expectedDHCPConfig))
			})

			It("writes out DNS servers in order that was provided by the network because *single* DHCP prepend command is used", func() {
				err := netManager.SetupDhcp(networks, nil)
				Expect(err).ToNot(HaveOccurred())

				dhcpConfig := fs.GetFileTestStat(dhcpConfPath)
				Expect(dhcpConfig).ToNot(BeNil())
				Expect(dhcpConfig.StringContents()).To(ContainSubstring(`
prepend domain-name-servers xx.xx.xx.xx, yy.yy.yy.yy, zz.zz.zz.zz;
`))
			})