bundleLoader.LoadStub = func(path string) (*goci.Bndl, error) { bndl := &goci.Bndl{} bndl.Spec.Spec.Root.Path = "/rootfs/of/bundle/" + path return bndl, nil } runcBinary.StartCommandStub = func(path, id string) *exec.Cmd { return exec.Command("funC", "start", path, id) } runcBinary.ExecCommandStub = func(id, processJSONPath string) *exec.Cmd { return exec.Command("funC", "exec", id, processJSONPath) } runcBinary.KillCommandStub = func(id, signal string) *exec.Cmd { return exec.Command("funC", "kill", id, signal) } }) Describe("Start", func() { It("runs the injected runC binary using process tracker", func() { runner.Start(logger, "some/oci/container", "handle", garden.ProcessIO{Stdout: GinkgoWriter}) Expect(tracker.RunCallCount()).To(Equal(1)) _, cmd, io, _ := tracker.RunArgsForCall(0) Expect(cmd.Args).To(Equal([]string{"funC", "start", "some/oci/container", "handle"})) Expect(io.Stdout).To(Equal(GinkgoWriter)) }) It("configures the tracker with the a generated process guid", func() { pidGenerator.GenerateReturns("some-process-guid")