Expect(fakeBBS.DesireLRPArgsForCall(0)).To(Equal(newlyDesiredLRP))
Expect(buildpackBuilder.BuildArgsForCall(0)).To(Equal(&desireAppRequest))
})
It("responds with 202 Accepted", func() {
Expect(responseRecorder.Code).To(Equal(http.StatusAccepted))
})
It("increments the desired LRPs counter", func() {
Expect(metricSender.GetCounter("LRPsDesired")).To(Equal(uint64(1)))
})
Context("when the bbs fails", func() {
BeforeEach(func() {
fakeBBS.DesireLRPReturns(errors.New("oh no"))
})
It("responds with a ServiceUnavailabe error", func() {
Expect(responseRecorder.Code).To(Equal(http.StatusServiceUnavailable))
})
})
Context("when the bbs fails with a Conflict error", func() {
BeforeEach(func() {
fakeBBS.DesireLRPStub = func(_ *models.DesiredLRP) error {
fakeBBS.DesiredLRPByProcessGuidReturns(&models.DesiredLRP{
ProcessGuid: "some-guid",
}, nil)
return models.ErrResourceExists
}
Consistently(bbsClient.RemoveDesiredLRPCallCount).Should(Equal(1))
Expect(bbsClient.RemoveDesiredLRPArgsForCall(0)).To(Equal("excess-process-guid"))
Eventually(bbsClient.UpdateDesiredLRPCallCount).Should(Equal(2))
Consistently(bbsClient.UpdateDesiredLRPCallCount).Should(Equal(2))
updatedGuid1, _ := bbsClient.UpdateDesiredLRPArgsForCall(0)
updatedGuid2, _ := bbsClient.UpdateDesiredLRPArgsForCall(1)
Expect([]string{updatedGuid1, updatedGuid2}).To(ConsistOf("stale-process-guid", "docker-process-guid"))
})
})
})
Context("when creating the missing desired LRP fails", func() {
BeforeEach(func() {
bbsClient.DesireLRPReturns(errors.New("nope"))
})
It("keeps calm and carries on", func() {
Consistently(process.Wait()).ShouldNot(Receive())
})
It("does not update the domain", func() {
Consistently(bbsClient.UpsertDomainCallCount).Should(Equal(0))
})
Context("and the differ provides creates, updates, and deletes", func() {
It("continues to send the deletes and updates", func() {
Eventually(bbsClient.RemoveDesiredLRPCallCount).Should(Equal(1))
Consistently(bbsClient.RemoveDesiredLRPCallCount).Should(Equal(1))
Expect(bbsClient.RemoveDesiredLRPArgsForCall(0)).To(Equal("excess-process-guid"))