"env2": "env2Value",
},
))
})
})
Context("when the namespace parameter is true", func() {
Context("and the image has not been translated yet", func() {
BeforeEach(func() {
fakeCake.GetReturns(nil, errors.New("no image here"))
})
It("fetches it, namespaces it, and creates a graph entry with it as the parent", func() {
fakeRepositoryFetcher.FetchResult = "some-image-id"
fakeCake.PathStub = func(id layercake.ID) (string, error) {
return "/mount/point/" + id.GraphID(), nil
}
fakeNamespacer.CacheKeyReturns("jam")
mountpoint, envvars, err := provider.ProvideRootFS(
logger,
"some-id",
parseURL("docker:///some-repository-name"),
true,
0,
)
Expect(err).ToNot(HaveOccurred())
Expect(fakeRepositoryFetcher.Fetched()).To(ContainElement(
fake_repository_fetcher.FetchSpec{
return nil
},
Logger: lagertest.NewTestLogger("test"),
}
runner.WhenRunning(fake_command_runner.CommandSpec{
Path: "btrfs",
Args: []string{"subvolume", "list", btrfsMountPoint},
}, func(cmd *exec.Cmd) error {
_, err := cmd.Stdout.Write([]byte(listSubvolumesOutput))
Expect(err).NotTo(HaveOccurred())
return listSubVolumeErr
})
fakeCake.PathStub = func(id layercake.ID) (string, error) {
return "/absolute/btrfs_mount/relative/path/to/" + id.GraphID(), graphDriverErr
}
})
Context("when there are no subvolumes", func() {
BeforeEach(func() {
listSubvolumesOutput = "\n"
})
It("does not invoke subvolume delete", func() {
Expect(cleaner.Remove(layerId)).To(Succeed())
Expect(runner).NotTo(HaveExecutedSerially(fake_command_runner.CommandSpec{
Path: "btrfs",
Args: []string{"subvolume", "delete", "/path/to/" + layerId.GraphID()},
}))
})
