148 lines
3.4 KiB
Go
148 lines
3.4 KiB
Go
/*
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Copyright 2017 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package openapi_test
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import (
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"fmt"
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"io/ioutil"
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"os"
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"path/filepath"
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"sync"
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"gopkg.in/yaml.v2"
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"github.com/googleapis/gnostic/OpenAPIv2"
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"github.com/googleapis/gnostic/compiler"
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. "github.com/onsi/ginkgo"
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. "github.com/onsi/gomega"
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"k8s.io/kubernetes/pkg/kubectl/cmd/util/openapi"
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tst "k8s.io/kubernetes/pkg/kubectl/cmd/util/openapi/testing"
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)
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// Test utils
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var data apiData
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type apiData struct {
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sync.Once
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data *openapi_v2.Document
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err error
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}
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func (d *apiData) OpenAPISchema() (*openapi_v2.Document, error) {
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d.Do(func() {
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// Get the path to the swagger.json file
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wd, err := os.Getwd()
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if err != nil {
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d.err = err
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return
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}
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abs, err := filepath.Abs(wd)
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if err != nil {
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d.err = err
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return
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}
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root := filepath.Dir(filepath.Dir(filepath.Dir(filepath.Dir(filepath.Dir(abs)))))
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specpath := filepath.Join(root, "api", "openapi-spec", "swagger.json")
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_, err = os.Stat(specpath)
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if err != nil {
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d.err = err
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return
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}
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spec, err := ioutil.ReadFile(specpath)
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if err != nil {
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d.err = err
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return
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}
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var info yaml.MapSlice
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err = yaml.Unmarshal(spec, &info)
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if err != nil {
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d.err = err
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return
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}
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d.data, d.err = openapi_v2.NewDocument(info, compiler.NewContext("$root", nil))
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})
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return d.data, d.err
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}
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type fakeOpenAPIClient struct {
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calls int
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err error
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}
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func (f *fakeOpenAPIClient) OpenAPISchema() (*openapi_v2.Document, error) {
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f.calls = f.calls + 1
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if f.err != nil {
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return nil, f.err
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}
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return data.OpenAPISchema()
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}
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var _ = Describe("Getting the Resources", func() {
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var client *tst.FakeClient
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var expectedData openapi.Resources
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var instance openapi.Getter
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BeforeEach(func() {
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client = tst.NewFakeClient(&fakeSchema)
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d, err := fakeSchema.OpenAPISchema()
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Expect(err).To(BeNil())
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expectedData, err = openapi.NewOpenAPIData(d)
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Expect(err).To(BeNil())
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instance = openapi.NewOpenAPIGetter(client)
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})
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Context("when the server returns a successful result", func() {
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It("should return the same data for multiple calls", func() {
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Expect(client.Calls).To(Equal(0))
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result, err := instance.Get()
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Expect(err).To(BeNil())
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Expect(result).To(Equal(expectedData))
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Expect(client.Calls).To(Equal(1))
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result, err = instance.Get()
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Expect(err).To(BeNil())
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Expect(result).To(Equal(expectedData))
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// No additional client calls expected
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Expect(client.Calls).To(Equal(1))
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})
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})
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Context("when the server returns an unsuccessful result", func() {
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It("should return the same instance for multiple calls.", func() {
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Expect(client.Calls).To(Equal(0))
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client.Err = fmt.Errorf("expected error")
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_, err := instance.Get()
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Expect(err).To(Equal(client.Err))
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Expect(client.Calls).To(Equal(1))
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_, err = instance.Get()
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Expect(err).To(Equal(client.Err))
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// No additional client calls expected
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Expect(client.Calls).To(Equal(1))
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})
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})
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})
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