})
Context("when a host port is not provided", func() {
It("acquires one from the port pool", func() {
hostPort, containerPort, err := container.NetIn(0, 456)
Expect(err).ToNot(HaveOccurred())
Expect(hostPort).To(Equal(uint32(1000)))
Expect(containerPort).To(Equal(uint32(456)))
secondHostPort, _, err := container.NetIn(0, 456)
Expect(err).ToNot(HaveOccurred())
Expect(secondHostPort).ToNot(Equal(hostPort))
Expect(container.Resources().Ports).To(ContainElement(hostPort))
})
Context("and acquiring a port from the pool fails", func() {
disaster := errors.New("oh no!")
BeforeEach(func() {
fakePortPool.AcquireError = disaster
})
It("returns the error", func() {
_, _, err := container.NetIn(0, 456)
Expect(err).To(Equal(disaster))
})
})
})
err := pool.Prune(map[string]bool{})
Expect(err).To(Equal(disaster))
})
})
})
Describe("destroying", func() {
var createdContainer *linux_backend.LinuxContainer
BeforeEach(func() {
container, err := pool.Create(backend.ContainerSpec{})
Expect(err).ToNot(HaveOccurred())
createdContainer = container.(*linux_backend.LinuxContainer)
createdContainer.Resources().AddPort(123)
createdContainer.Resources().AddPort(456)
})
It("executes destroy.sh with the correct args and environment", func() {
err := pool.Destroy(createdContainer)
Expect(err).ToNot(HaveOccurred())
Expect(fakeRunner).To(HaveExecutedSerially(
fake_command_runner.CommandSpec{
Path: "/root/path/destroy.sh",
Args: []string{"/depot/path/" + createdContainer.ID()},
},
))
})