It("returns an error", func() { err := agentClient.MountDisk("fake-disk-cid") Expect(err).To(HaveOccurred()) Expect(err.Error()).To(ContainSubstring("bad request")) }) }) }) Describe("ListDisk", func() { Context("when agent responds with a value", func() { BeforeEach(func() { fakeHTTPClient.SetPostBehavior(`{"value":["fake-disk-1", "fake-disk-2"]}`, 200, nil) }) It("makes a POST request to the endpoint", func() { _, err := agentClient.ListDisk() Expect(err).ToNot(HaveOccurred()) Expect(fakeHTTPClient.PostInputs).To(HaveLen(1)) Expect(fakeHTTPClient.PostInputs[0].Endpoint).To(Equal("http://localhost:6305/agent")) var request AgentRequestMessage err = json.Unmarshal(fakeHTTPClient.PostInputs[0].Payload, &request) Expect(err).ToNot(HaveOccurred()) Expect(request).To(Equal(AgentRequestMessage{ Method: "list_disk", Arguments: []interface{}{}, ReplyTo: "fake-uuid", })) })