Ω(err).ShouldNot(Equal(io.EOF))
})
})
Context("when the process is killed", func() {
var fakeProcess *fakes.FakeProcess
BeforeEach(func() {
fakeProcess = new(fakes.FakeProcess)
fakeProcess.IDReturns(42)
fakeProcess.WaitStub = func() (int, error) {
select {}
return 0, nil
}
fakeContainer.RunReturns(fakeProcess, nil)
})
It("is eventually killed in the backend", func() {
process, err := container.Run(processSpec, garden.ProcessIO{})
Ω(err).ShouldNot(HaveOccurred())
err = process.Signal(garden.SignalKill)
Ω(err).ShouldNot(HaveOccurred())
Eventually(fakeProcess.SignalCallCount).Should(Equal(1))
Ω(fakeProcess.SignalArgsForCall(0)).Should(Equal(garden.SignalKill))
})
})
Context("when the process is terminated", func() {
var fakeContainer *gardenFakes.FakeContainer
var oldContainer *gardenFakes.FakeContainer
var fakeProcess *gardenFakes.FakeProcess
BeforeEach(func() {
fakeContainer = &gardenFakes.FakeContainer{}
oldContainer = &gardenFakes.FakeContainer{}
oldContainer.HandleReturns("old-guid")
fakeProcess = &gardenFakes.FakeProcess{}
})
Context("When garden is healthy", func() {
BeforeEach(func() {
gardenClient.CreateReturns(fakeContainer, nil)
gardenClient.ContainersReturns([]garden.Container{oldContainer}, nil)
fakeContainer.RunReturns(fakeProcess, nil)
fakeProcess.WaitReturns(0, nil)
})
It("drives a container lifecycle", func() {
err := gardenChecker.Healthcheck(logger)
By("Fetching any pre-existing healthcheck containers")
Expect(gardenClient.ContainersCallCount()).To(Equal(1))
By("Deleting all pre-existing-containers")
//call count is two because we also expect to destroy the container we create
Expect(gardenClient.DestroyCallCount()).To(Equal(2))
guid := gardenClient.DestroyArgsForCall(0)
Expect(guid).To(Equal("old-guid"))