| /* |
| Copyright 2017 The Kubernetes Authors. |
| |
| Licensed under the Apache License, Version 2.0 (the "License"); |
| you may not use this file except in compliance with the License. |
| You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| See the License for the specific language governing permissions and |
| limitations under the License. |
| */ |
| |
| package openapi_test |
| |
| import ( |
| "fmt" |
| |
| openapi_v2 "github.com/googleapis/gnostic/OpenAPIv2" |
| . "github.com/onsi/ginkgo" |
| . "github.com/onsi/gomega" |
| |
| "k8s.io/kubernetes/pkg/kubectl/cmd/util/openapi" |
| ) |
| |
| // FakeCounter returns a "null" document and the specified error. It |
| // also counts how many times the OpenAPISchema method has been called. |
| type FakeCounter struct { |
| Calls int |
| Err error |
| } |
| |
| func (f *FakeCounter) OpenAPISchema() (*openapi_v2.Document, error) { |
| f.Calls = f.Calls + 1 |
| return nil, f.Err |
| } |
| |
| var _ = Describe("Getting the Resources", func() { |
| var client FakeCounter |
| var instance openapi.Getter |
| var expectedData openapi.Resources |
| |
| BeforeEach(func() { |
| client = FakeCounter{} |
| instance = openapi.NewOpenAPIGetter(&client) |
| var err error |
| expectedData, err = openapi.NewOpenAPIData(nil) |
| Expect(err).To(BeNil()) |
| }) |
| |
| Context("when the server returns a successful result", func() { |
| It("should return the same data for multiple calls", func() { |
| Expect(client.Calls).To(Equal(0)) |
| |
| result, err := instance.Get() |
| Expect(err).To(BeNil()) |
| Expect(result).To(Equal(expectedData)) |
| Expect(client.Calls).To(Equal(1)) |
| |
| result, err = instance.Get() |
| Expect(err).To(BeNil()) |
| Expect(result).To(Equal(expectedData)) |
| // No additional client calls expected |
| Expect(client.Calls).To(Equal(1)) |
| }) |
| }) |
| |
| Context("when the server returns an unsuccessful result", func() { |
| It("should return the same instance for multiple calls.", func() { |
| Expect(client.Calls).To(Equal(0)) |
| |
| client.Err = fmt.Errorf("expected error") |
| _, err := instance.Get() |
| Expect(err).To(Equal(client.Err)) |
| Expect(client.Calls).To(Equal(1)) |
| |
| _, err = instance.Get() |
| Expect(err).To(Equal(client.Err)) |
| // No additional client calls expected |
| Expect(client.Calls).To(Equal(1)) |
| }) |
| }) |
| }) |