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"))
By("Creates the container")
Expect(gardenClient.CreateCallCount()).To(Equal(1))
containerSpec := gardenClient.CreateArgsForCall(0)
Expect(containerSpec).To(Equal(garden.ContainerSpec{
Handle: "executor-healthcheck-abc-123",
RootFSPath: rootfsPath,
Properties: garden.Properties{
gardenstore.ContainerOwnerProperty: containerOwnerName,
Context("when the container can be found", func() {
var fakeContainer *gfakes.FakeContainer
BeforeEach(func() {
fakeContainer = new(gfakes.FakeContainer)
fakeContainer.HandleReturns("some-handle")
fakeGardenClient.ContainersReturns([]garden.Container{fakeContainer}, nil)
})
It("succeeds", func() {
Ω(lookupErr).ShouldNot(HaveOccurred())
})
It("looks for containers with matching properties via the Garden client", func() {
Ω(fakeGardenClient.ContainersCallCount()).Should(Equal(1))
Ω(fakeGardenClient.ContainersArgsForCall(0)).Should(Equal(garden.Properties{
"concourse:name": "some-name",
}))
})
Describe("the found container", func() {
It("can be destroyed", func() {
err := foundContainer.Destroy()
Ω(err).ShouldNot(HaveOccurred())
By("destroying via garden")
Ω(fakeGardenClient.DestroyCallCount()).Should(Equal(1))
Ω(fakeGardenClient.DestroyArgsForCall(0)).Should(Equal("some-handle"))
By("no longer heartbeating")