mirror of https://github.com/k3s-io/k3s
87 lines
2.3 KiB
Go
87 lines
2.3 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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openapi_v2 "github.com/googleapis/gnostic/OpenAPIv2"
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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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)
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// FakeCounter returns a "null" document and the specified error. It
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// also counts how many times the OpenAPISchema method has been called.
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type FakeCounter struct {
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Calls int
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Err error
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}
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func (f *FakeCounter) OpenAPISchema() (*openapi_v2.Document, error) {
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f.Calls = f.Calls + 1
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return nil, f.Err
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}
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var _ = Describe("Getting the Resources", func() {
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var client FakeCounter
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var instance openapi.Getter
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var expectedData openapi.Resources
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BeforeEach(func() {
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client = FakeCounter{}
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instance = openapi.NewOpenAPIGetter(&client)
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var err error
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expectedData, err = openapi.NewOpenAPIData(nil)
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Expect(err).To(BeNil())
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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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