Context("with a resource type container spec", func() {
Context("when the resource type is supported by the worker", func() {
BeforeEach(func() {
spec = ResourceTypeContainerSpec{
Type: "some-resource",
}
})
Context("when creating the garden container works", func() {
var fakeContainer *gfakes.FakeContainer
BeforeEach(func() {
fakeContainer = new(gfakes.FakeContainer)
fakeContainer.HandleReturns("some-handle")
fakeGardenClient.CreateReturns(fakeContainer, nil)
})
It("succeeds", func() {
Expect(createErr).NotTo(HaveOccurred())
})
It("creates the container with the Garden client", func() {
Expect(fakeGardenClient.CreateCallCount()).To(Equal(1))
Expect(fakeGardenClient.CreateArgsForCall(0)).To(Equal(garden.ContainerSpec{
RootFSPath: "some-resource-image",
Privileged: true,
Properties: garden.Properties{},
}))
})
Describe("Healthcheck", 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)