120 lines
3.0 KiB
Go
120 lines
3.0 KiB
Go
/*
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Copyright 2022 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 userns
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import (
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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v1 "k8s.io/api/core/v1"
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utilfeature "k8s.io/apiserver/pkg/util/feature"
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featuregatetesting "k8s.io/component-base/featuregate/testing"
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pkgfeatures "k8s.io/kubernetes/pkg/features"
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)
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// Test all public methods behave ok when the feature gate is disabled.
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func TestMakeUserNsManagerDisabled(t *testing.T) {
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featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, pkgfeatures.UserNamespacesSupport, false)
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testUserNsPodsManager := &testUserNsPodsManager{}
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_, err := MakeUserNsManager(testUserNsPodsManager)
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assert.NoError(t, err)
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}
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func TestReleaseDisabled(t *testing.T) {
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featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, pkgfeatures.UserNamespacesSupport, false)
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testUserNsPodsManager := &testUserNsPodsManager{}
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m, err := MakeUserNsManager(testUserNsPodsManager)
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require.NoError(t, err)
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m.Release("some-pod")
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}
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func TestGetOrCreateUserNamespaceMappingsDisabled(t *testing.T) {
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featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, pkgfeatures.UserNamespacesSupport, false)
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trueVal := true
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falseVal := false
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tests := []struct {
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name string
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pod *v1.Pod
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success bool
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}{
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{
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name: "pod is nil",
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pod: nil,
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success: true,
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},
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{
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name: "hostUsers is nil",
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pod: &v1.Pod{
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Spec: v1.PodSpec{
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HostUsers: nil,
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},
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},
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success: true,
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},
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{
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name: "hostUsers is true",
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pod: &v1.Pod{
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Spec: v1.PodSpec{
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HostUsers: &trueVal,
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},
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},
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},
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{
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name: "hostUsers is false",
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pod: &v1.Pod{
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Spec: v1.PodSpec{
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HostUsers: &falseVal,
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},
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},
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},
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}
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for _, test := range tests {
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t.Run(test.name, func(t *testing.T) {
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testUserNsPodsManager := &testUserNsPodsManager{}
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m, err := MakeUserNsManager(testUserNsPodsManager)
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require.NoError(t, err)
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userns, err := m.GetOrCreateUserNamespaceMappings(test.pod, "")
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assert.Nil(t, userns)
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if test.success {
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assert.NoError(t, err)
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} else {
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assert.Error(t, err)
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}
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})
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}
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}
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func TestCleanupOrphanedPodUsernsAllocationsDisabled(t *testing.T) {
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featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, pkgfeatures.UserNamespacesSupport, false)
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testUserNsPodsManager := &testUserNsPodsManager{}
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m, err := MakeUserNsManager(testUserNsPodsManager)
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require.NoError(t, err)
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err = m.CleanupOrphanedPodUsernsAllocations(nil, nil)
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assert.NoError(t, err)
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}
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