Add unit tests for kubelet cadvisor_linux

This adds unit tests for kubelet cadvisor_linux.
This commit is contained in:
Kenichi Omichi 2020-10-16 20:50:23 +00:00
parent 4eca18b6b0
commit b52b170ade

View File

@ -0,0 +1,66 @@
// +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"
cadvisorfs "github.com/google/cadvisor/fs"
"k8s.io/kubernetes/pkg/kubelet/types"
)
func TestImageFsInfoLabel(t *testing.T) {
testcases := []struct {
description string
runtime string
runtimeEndpoint string
expectedLabel string
expectedError error
}{{
description: "LabelDockerImages should be returned",
runtime: types.DockerContainerRuntime,
runtimeEndpoint: "",
expectedLabel: cadvisorfs.LabelDockerImages,
expectedError: nil,
}, {
description: "LabelCrioImages should be returned",
runtime: types.RemoteContainerRuntime,
runtimeEndpoint: CrioSocket,
expectedLabel: cadvisorfs.LabelCrioImages,
expectedError: nil,
}, {
description: "Cannot find valid imagefs label",
runtime: "invalid-runtime",
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.runtime, tc.runtimeEndpoint)
label, err := infoProvider.ImageFsInfoLabel()
assert.Equal(t, tc.expectedLabel, label)
assert.Equal(t, tc.expectedError, err)
})
}
}