Golang FakeFileSystem.GetFileTestStat方法代碼示例

//.........這裏部分代碼省略.........

auto ethstatic
iface ethstatic inet static
    address 1.2.3.4
    network 1.2.3.0
    netmask 255.255.255.0
    broadcast 1.2.3.255
    gateway 3.4.5.6

dns-nameservers 8.8.8.8 9.9.9.9`
		})

		It("writes interfaces in /etc/network/interfaces in alphabetic order", func() {
			anotherDHCPNetwork := boshsettings.Network{
				Type:    "dynamic",
				Default: []string{"dns"},
				DNS:     []string{"8.8.8.8", "9.9.9.9"},
				Mac:     "fake-another-mac-address",
			}

			stubInterfaces(map[string]boshsettings.Network{
				"ethstatic": staticNetwork,
				"ethdhcp1":  dhcpNetwork,
				"ethdhcp0":  anotherDHCPNetwork,
			})

			err := netManager.SetupNetworking(boshsettings.Networks{
				"dhcp-network-1": dhcpNetwork,
				"dhcp-network-2": anotherDHCPNetwork,
				"static-network": staticNetwork,
			}, nil)
			Expect(err).ToNot(HaveOccurred())

			networkConfig := fs.GetFileTestStat("/etc/network/interfaces")
			Expect(networkConfig).ToNot(BeNil())

			expectedNetworkConfigurationForStaticAndDhcp = `# Generated by bosh-agent
auto lo
iface lo inet loopback

auto ethdhcp0
iface ethdhcp0 inet dhcp

auto ethdhcp1
iface ethdhcp1 inet dhcp

auto ethstatic
iface ethstatic inet static
    address 1.2.3.4
    network 1.2.3.0
    netmask 255.255.255.0
    broadcast 1.2.3.255
    gateway 3.4.5.6

dns-nameservers 8.8.8.8 9.9.9.9`
			Expect(networkConfig.StringContents()).To(Equal(expectedNetworkConfigurationForStaticAndDhcp))
		})

		It("writes /etc/network/interfaces without dns-namservers if there are no dns servers", func() {
			staticNetworkWithoutDNS := boshsettings.Network{
				Type:    "manual",
				IP:      "1.2.3.4",
				Netmask: "255.255.255.0",
				Gateway: "3.4.5.6",
				Mac:     "fake-static-mac-address",
			}

//.........這裏部分代碼省略.........
	rfc3442-classless-static-routes, ntp-servers;

prepend domain-name-servers 8.8.8.8, 9.9.9.9;
`
		})

		stubInterfacesWithVirtual := func(physicalInterfaces map[string]boshsettings.Network, virtualInterfaces []string) {
			interfacePaths := []string{}

			for iface, networkSettings := range physicalInterfaces {
				interfacePaths = append(interfacePaths, writeNetworkDevice(iface, networkSettings.Mac, true))
			}

			for _, iface := range virtualInterfaces {
				interfacePaths = append(interfacePaths, writeNetworkDevice(iface, "virtual", false))
			}

			fs.SetGlob("/sys/class/net/*", interfacePaths)
		}

		stubInterfaces := func(physicalInterfaces map[string]boshsettings.Network) {
			stubInterfacesWithVirtual(physicalInterfaces, nil)
		}

		It("writes a network script for static and dynamic interfaces", func() {
			stubInterfaces(map[string]boshsettings.Network{
				"ethdhcp":   dhcpNetwork,
				"ethstatic": staticNetwork,
			})

			err := netManager.SetupNetworking(boshsettings.Networks{"dhcp-network": dhcpNetwork, "static-network": staticNetwork}, nil)
			Expect(err).ToNot(HaveOccurred())

			staticConfig := fs.GetFileTestStat("/etc/sysconfig/network-scripts/ifcfg-ethstatic")
			Expect(staticConfig).ToNot(BeNil())
			Expect(staticConfig.StringContents()).To(Equal(expectedNetworkConfigurationForStatic))

			dhcpConfig := fs.GetFileTestStat("/etc/sysconfig/network-scripts/ifcfg-ethdhcp")
			Expect(dhcpConfig).ToNot(BeNil())
			Expect(dhcpConfig.StringContents()).To(Equal(expectedNetworkConfigurationForDHCP))
		})

		It("returns errors from glob /sys/class/net/", func() {
			fs.GlobErr = errors.New("fs-glob-error")
			err := netManager.SetupNetworking(boshsettings.Networks{"dhcp-network": dhcpNetwork, "static-network": staticNetwork}, nil)
			Expect(err).To(HaveOccurred())
			Expect(err.Error()).To(ContainSubstring("fs-glob-error"))
		})

		It("returns errors from writing the network configuration", func() {
			stubInterfaces(map[string]boshsettings.Network{
				"dhcp":   dhcpNetwork,
				"static": staticNetwork,
			})
			fs.WriteFileError = errors.New("fs-write-file-error")
			err := netManager.SetupNetworking(boshsettings.Networks{"dhcp-network": dhcpNetwork, "static-network": staticNetwork}, nil)
			Expect(err).To(HaveOccurred())
			Expect(err.Error()).To(ContainSubstring("fs-write-file-error"))
		})

		It("returns errors when it can't create network interface configurations", func() {
			stubInterfaces(map[string]boshsettings.Network{
				"ethstatic": staticNetwork,
			})

			staticNetwork.Netmask = "not an ip" //will cause InterfaceConfigurationCreator to fail

				})
			})
		})
	})

	Describe("ChmodExecutables", func() {
		var (
			binGlob  string
			filePath string
		)

		BeforeEach(func() {
			binGlob = "fake-glob/*"
			filePath = "fake-glob/file"
			fs.SetGlob("fake-glob/*", []string{filePath})
			fs.WriteFileString(filePath, "content")
		})

		It("fetches the files", func() {
			fileMode := fs.GetFileTestStat(filePath).FileMode
			Expect(fileMode).To(Equal(os.FileMode(0)))

			err := extractor.ChmodExecutables(binGlob)
			Expect(err).ToNot(HaveOccurred())

			fileMode = fs.GetFileTestStat(filePath).FileMode
			Expect(fileMode).To(Equal(os.FileMode(0755)))
		})
	})
})

	})

	Describe("Get", func() {
		It("fetches the local blob contents", 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("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("errs when copy file errs", func() {