Expect(dst).To(Equal("/mount/point/" + layercake.NamespacedID(layercake.DockerImageID("some-image-id"), "jam").GraphID()))
Expect(mountpoint).To(Equal("/mount/point/" + layercake.ContainerID("some-id").GraphID()))
Expect(envvars).To(Equal(
[]string{
"env1=env1value",
"env2=env2value",
},
))
})
Context("unmounting the translation layer", func() {
BeforeEach(func() {
// ensure umount doesnt happen too quickly
fakeNamespacer.NamespaceStub = func(_ lager.Logger, _ string) error {
Expect(fakeCake.UnmountCallCount()).To(Equal(0))
return nil
}
})
It("unmounts the translation layer after performing namespacing", func() {
Expect(fakeCake.UnmountCallCount()).Should(Equal(1))
Expect(fakeCake.UnmountArgsForCall(0)).To(Equal(layercake.NamespacedID(layercake.DockerImageID("some-image-id"), "jam")))
})
})
})
Context("and the image has already been translated", func() {
BeforeEach(func() {
fakeCake.PathStub = func(id layercake.ID) (string, error) {
return "/mount/point/" + id.GraphID(), nil
Expect(aufsCake.Create(namespacedChildID, parentID, "")).To(Equal(testError))
})
})
Context("when getting parent's path fails", func() {
BeforeEach(func() {
cake.PathReturns("", testError)
})
It("should return the error", func() {
Expect(aufsCake.Create(namespacedChildID, parentID, "")).To(Equal(testError))
})
It("should not unmount the parent", func() {
Expect(aufsCake.Create(namespacedChildID, parentID, "")).To(Equal(testError))
Expect(cake.UnmountCallCount()).To(Equal(0))
})
})
Context("when getting parent's path succeeds", func() {
var succeedingRunner *fake_command_runner.FakeCommandRunner
BeforeEach(func() {
succeedingRunner = fake_command_runner.New()
succeedingRunner.WhenRunning(fake_command_runner.CommandSpec{}, func(cmd *exec.Cmd) error {
return nil
})
})
It("should unmount the parentID", func() {
aufsCake.Runner = succeedingRunner