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504fb21b89
so that their enablement can be consistent with emulated version. Signed-off-by: Siyuan Zhang <sizhang@google.com> Kubernetes-commit: d4c6e0bfd04a9efb1ddb33afdcaa49eb8695d8e5
109 lines
3.6 KiB
Go
109 lines
3.6 KiB
Go
/*
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Copyright 2024 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 features
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import (
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"reflect"
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"testing"
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"github.com/stretchr/testify/require"
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"k8s.io/apimachinery/pkg/util/version"
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)
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// TestAddFeaturesToExistingFeatureGates ensures that
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// the defaultVersionedKubernetesFeatureGates are added to a test feature gates registry.
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func TestAddFeaturesToExistingFeatureGates(t *testing.T) {
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fakeFeatureGates := &fakeRegistry{}
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require.NoError(t, AddFeaturesToExistingFeatureGates(fakeFeatureGates))
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require.Equal(t, unversionedFeatureGates(defaultVersionedKubernetesFeatureGates), fakeFeatureGates.specs)
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}
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// TestAddVersionedFeaturesToExistingFeatureGates ensures that
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// the defaultVersionedKubernetesFeatureGates are added to a versioned test feature gates registry.
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func TestAddVersionedFeaturesToExistingFeatureGates(t *testing.T) {
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fakeFeatureGates := &fakeVersionedRegistry{}
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require.NoError(t, AddVersionedFeaturesToExistingFeatureGates(fakeFeatureGates))
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require.Equal(t, defaultVersionedKubernetesFeatureGates, fakeFeatureGates.specs)
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}
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func TestUnversionedFeatureGates(t *testing.T) {
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testCases := []struct {
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name string
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featureGates map[Feature]VersionedSpecs
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expected map[Feature]FeatureSpec
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}{
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{
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name: "multiple features",
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featureGates: map[Feature]VersionedSpecs{
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"AlphaFeature": {
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{Version: version.MustParse("1.30"), Default: false, PreRelease: Alpha},
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},
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"BetaFeature": {
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{Version: version.MustParse("1.28"), Default: false, PreRelease: Alpha},
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{Version: version.MustParse("1.30"), Default: true, PreRelease: Beta},
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},
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"GAFeature": {
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{Version: version.MustParse("1.25"), Default: false, PreRelease: Alpha},
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{Version: version.MustParse("1.27"), Default: true, PreRelease: Beta},
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{Version: version.MustParse("1.29"), Default: true, PreRelease: GA, LockToDefault: true},
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},
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},
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expected: map[Feature]FeatureSpec{
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"AlphaFeature": {Default: false, PreRelease: Alpha},
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"BetaFeature": {Default: true, PreRelease: Beta},
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"GAFeature": {Default: true, PreRelease: GA, LockToDefault: true},
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},
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},
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}
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for _, tc := range testCases {
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t.Run(tc.name, func(t *testing.T) {
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actual := unversionedFeatureGates(tc.featureGates)
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if !reflect.DeepEqual(actual, tc.expected) {
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t.Errorf("unversionedFeatureGates() = %v, want %v", actual, tc.expected)
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}
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})
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}
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}
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func TestReplaceFeatureGatesWithWarningIndicator(t *testing.T) {
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defaultFeatureGates := FeatureGates()
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require.Panics(t, func() { defaultFeatureGates.Enabled("Foo") }, "reading an unregistered feature gate Foo should panic")
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if !replaceFeatureGatesWithWarningIndicator(defaultFeatureGates) {
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t.Error("replacing the default feature gates after reading a value hasn't produced a warning")
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}
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}
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type fakeRegistry struct {
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specs map[Feature]FeatureSpec
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}
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func (f *fakeRegistry) Add(specs map[Feature]FeatureSpec) error {
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f.specs = specs
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return nil
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}
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type fakeVersionedRegistry struct {
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specs map[Feature]VersionedSpecs
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}
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func (f *fakeVersionedRegistry) AddVersioned(specs map[Feature]VersionedSpecs) error {
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f.specs = specs
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return nil
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}
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