//go:build linux // +build linux /* Copyright 2021 The Kubernetes Authors. Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. */ package cadvisor import ( "fmt" "testing" "github.com/stretchr/testify/assert" "github.com/google/cadvisor/container/crio" cadvisorfs "github.com/google/cadvisor/fs" ) func TestImageFsInfoLabel(t *testing.T) { testcases := []struct { description string runtime string runtimeEndpoint string expectedLabel string expectedError error }{{ description: "LabelCrioImages should be returned", runtimeEndpoint: crio.CrioSocket, expectedLabel: cadvisorfs.LabelCrioImages, expectedError: nil, }, { description: "Cannot find valid imagefs label", runtimeEndpoint: "", expectedLabel: "", expectedError: fmt.Errorf("no imagefs label for configured runtime"), }} for _, tc := range testcases { t.Run(tc.description, func(t *testing.T) { infoProvider := NewImageFsInfoProvider(tc.runtimeEndpoint) label, err := infoProvider.ImageFsInfoLabel() assert.Equal(t, tc.expectedLabel, label) assert.Equal(t, tc.expectedError, err) }) } } func TestContainerFsInfoLabel(t *testing.T) { testcases := []struct { description string runtime string runtimeEndpoint string expectedLabel string expectedError error }{{ description: "LabelCrioWriteableImages should be returned", runtimeEndpoint: crio.CrioSocket, expectedLabel: cadvisorfs.LabelCrioContainers, expectedError: nil, }, { description: "Cannot find valid imagefs label", runtimeEndpoint: "", expectedLabel: "", expectedError: fmt.Errorf("no containerfs label for configured runtime"), }} for _, tc := range testcases { t.Run(tc.description, func(t *testing.T) { infoProvider := NewImageFsInfoProvider(tc.runtimeEndpoint) label, err := infoProvider.ContainerFsInfoLabel() assert.Equal(t, tc.expectedLabel, label) assert.Equal(t, tc.expectedError, err) }) } }