func init() {
Describe("prepareNetworkChange", func() {
var (
action PrepareNetworkChangeAction
fs *fakesys.FakeFileSystem
settingsService *fakesettings.FakeSettingsService
)
BeforeEach(func() {
fs = fakesys.NewFakeFileSystem()
settingsService = &fakesettings.FakeSettingsService{}
action = NewPrepareNetworkChange(fs, settingsService)
})
It("is synchronous", func() {
Expect(action.IsAsynchronous()).To(BeFalse())
})
It("is not persistent", func() {
Expect(action.IsPersistent()).To(BeFalse())
})
It("invalidates settings so that load settings cannot fall back on old settings", func() {
resp, err := action.Run()
Expect(err).NotTo(HaveOccurred())
Expect(resp).To(Equal("ok"))
Expect(settingsService.SettingsWereInvalidated).To(BeTrue())
})
Context("when settings invalidation succeeds", func() {
Context("when the network rules file can be removed", func() {
It("removes the network rules file", func() {
fs.WriteFile("/etc/udev/rules.d/70-persistent-net.rules", []byte{})
resp, err := action.Run()
Expect(err).NotTo(HaveOccurred())
Expect(resp).To(Equal("ok"))
Expect(fs.FileExists("/etc/udev/rules.d/70-persistent-net.rules")).To(BeFalse())
})
})
Context("when the network rules file cannot be removed", func() {
BeforeEach(func() {
fs.RemoveAllError = errors.New("fake-remove-all-error")
})
It("returns error from removing the network rules file", func() {
resp, err := action.Run()
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("fake-remove-all-error"))
Expect(resp).To(BeNil())
})
})
})
Context("when settings invalidation fails", func() {
BeforeEach(func() {
settingsService.InvalidateSettingsError = errors.New("fake-invalidate-error")
})
It("returns error early if settings err invalidating", func() {
resp, err := action.Run()
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("fake-invalidate-error"))
Expect(resp).To(BeNil())
})
It("does not remove the network rules file", func() {
fs.WriteFile("/etc/udev/rules.d/70-persistent-net.rules", []byte{})
action.Run()
Expect(fs.FileExists("/etc/udev/rules.d/70-persistent-net.rules")).To(BeTrue())
})
})
})
}
})
It("returns error if preparing for networking change fails", func() {
platform.PrepareForNetworkingChangeErr = errors.New("fake-prepare-error")
resp, err := action.Run()
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("fake-prepare-error"))
Expect(resp).To(Equal(""))
})
})
Context("when settings invalidation fails", func() {
BeforeEach(func() {
settingsService.InvalidateSettingsError = errors.New("fake-invalidate-error")
})
It("returns error early if settings err invalidating", func() {
resp, err := action.Run()
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("fake-invalidate-error"))
Expect(resp).To(Equal(""))
})
It("does not prepare platform for networking change", func() {
_, err := action.Run()
Expect(err).To(HaveOccurred())
Expect(platform.PrepareForNetworkingChangeCalled).To(BeFalse())