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| 1 | +// Copyright 2025 Google LLC |
| 2 | +// |
| 3 | +// Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 | +// you may not use this file except in compliance with the License. |
| 5 | +// You may obtain a copy of the License at |
| 6 | +// |
| 7 | +// https://www.apache.org/licenses/LICENSE-2.0 |
| 8 | +// |
| 9 | +// Unless required by applicable law or agreed to in writing, software |
| 10 | +// distributed under the License is distributed on an "AS IS" BASIS, |
| 11 | +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 | +// See the License for the specific language governing permissions and |
| 13 | +// limitations under the License. |
| 14 | + |
| 15 | +package util_test |
| 16 | + |
| 17 | +import ( |
| 18 | + "context" |
| 19 | + "errors" |
| 20 | + |
| 21 | + "github.com/google/kube-startup-cpu-boost/internal/mock" |
| 22 | + "github.com/google/kube-startup-cpu-boost/internal/util" |
| 23 | + . "github.com/onsi/ginkgo/v2" |
| 24 | + . "github.com/onsi/gomega" |
| 25 | + "go.uber.org/mock/gomock" |
| 26 | + "k8s.io/apimachinery/pkg/runtime" |
| 27 | + "k8s.io/apimachinery/pkg/version" |
| 28 | + fakediscovery "k8s.io/client-go/discovery/fake" |
| 29 | + "k8s.io/client-go/kubernetes" |
| 30 | + fakeclientset "k8s.io/client-go/kubernetes/fake" |
| 31 | + kubetesting "k8s.io/client-go/testing" |
| 32 | +) |
| 33 | + |
| 34 | +var _ = Describe("Cluster info", func() { |
| 35 | + var ( |
| 36 | + clusterInfo util.ClusterInfo |
| 37 | + ) |
| 38 | + Describe("retrieves cluster version)", func() { |
| 39 | + var ( |
| 40 | + fakeClientSet kubernetes.Interface |
| 41 | + versionInfo *version.Info |
| 42 | + err error |
| 43 | + ) |
| 44 | + JustBeforeEach(func() { |
| 45 | + clusterInfo = util.NewClusterInfo(context.TODO(), fakeClientSet, nil) |
| 46 | + versionInfo, err = clusterInfo.GetClusterVersion() |
| 47 | + }) |
| 48 | + When("discovery client errors", func() { |
| 49 | + BeforeEach(func() { |
| 50 | + fakeClientSet = fakeclientset.NewSimpleClientset() |
| 51 | + fakeClientSet.Discovery().(*fakediscovery.FakeDiscovery). |
| 52 | + PrependReactor("*", "*", func(action kubetesting.Action) (handled bool, ret runtime.Object, err error) { |
| 53 | + return true, nil, errors.New("test error") |
| 54 | + }) |
| 55 | + }) |
| 56 | + It("errors", func() { |
| 57 | + Expect(err).To(HaveOccurred()) |
| 58 | + }) |
| 59 | + }) |
| 60 | + When("discovery client returns server version", func() { |
| 61 | + BeforeEach(func() { |
| 62 | + fakeClientSet = fakeclientset.NewSimpleClientset() |
| 63 | + fakeClientSet.Discovery().(*fakediscovery.FakeDiscovery).FakedServerVersion = |
| 64 | + &version.Info{ |
| 65 | + GitVersion: "1.1.1", |
| 66 | + } |
| 67 | + }) |
| 68 | + It("doesn't error", func() { |
| 69 | + Expect(err).NotTo(HaveOccurred()) |
| 70 | + }) |
| 71 | + It("returns valid version info", func() { |
| 72 | + Expect(versionInfo.GitVersion).To(Equal("1.1.1")) |
| 73 | + }) |
| 74 | + }) |
| 75 | + }) |
| 76 | + Describe("retrieves feature gates", func() { |
| 77 | + var ( |
| 78 | + mockCtrl *gomock.Controller |
| 79 | + mockFgValidator *mock.MockFeatureGateValidator |
| 80 | + featureGates util.FeatureGates |
| 81 | + err error |
| 82 | + ) |
| 83 | + BeforeEach(func() { |
| 84 | + mockCtrl = gomock.NewController(GinkgoT()) |
| 85 | + mockFgValidator = mock.NewMockFeatureGateValidator(mockCtrl) |
| 86 | + }) |
| 87 | + JustBeforeEach(func() { |
| 88 | + clusterInfo = util.NewClusterInfo(context.TODO(), nil, mockFgValidator) |
| 89 | + featureGates, err = clusterInfo.GetFeatureGates() |
| 90 | + }) |
| 91 | + When("feature gate validator errors", func() { |
| 92 | + BeforeEach(func() { |
| 93 | + mockFgValidator.EXPECT().GetFeatureGates().Return(nil, errors.New("test error")) |
| 94 | + }) |
| 95 | + It("errors", func() { |
| 96 | + Expect(err).To(HaveOccurred()) |
| 97 | + }) |
| 98 | + }) |
| 99 | + When("feature gate validator returns feature gates", func() { |
| 100 | + var ( |
| 101 | + expectedFeatureGates util.FeatureGates |
| 102 | + ) |
| 103 | + BeforeEach(func() { |
| 104 | + expectedFeatureGates = util.FeatureGates{ |
| 105 | + "testFeature": {"testStage": true}} |
| 106 | + mockFgValidator.EXPECT().GetFeatureGates().Return(expectedFeatureGates, nil) |
| 107 | + }) |
| 108 | + It("doesn't error", func() { |
| 109 | + Expect(err).NotTo(HaveOccurred()) |
| 110 | + }) |
| 111 | + It("returns valid feature gates", func() { |
| 112 | + Expect(featureGates).To(Equal(expectedFeatureGates)) |
| 113 | + }) |
| 114 | + }) |
| 115 | + }) |
| 116 | +}) |
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