containerd/pkg/cri/server/container_stats_list_test.go
Wei Fu 4192ca8f8c pkg/cri/server: sub-test uses array and capture range var
Using array to build sub-tests is to avoid random pick. The shuffle
thing should be handled by go-test framework. And we should capture
range var before runing sub-test.

Signed-off-by: Wei Fu <fuweid89@gmail.com>
2023-04-16 16:47:02 +08:00

78 lines
2.2 KiB
Go

/*
Copyright The containerd 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 server
import (
"testing"
"time"
containerstore "github.com/containerd/containerd/pkg/cri/store/container"
"github.com/stretchr/testify/assert"
)
func TestContainerMetricsCPUNanoCoreUsage(t *testing.T) {
c := newTestCRIService()
timestamp := time.Now()
secondAfterTimeStamp := timestamp.Add(time.Second)
ID := "ID"
for _, test := range []struct {
desc string
firstCPUValue uint64
secondCPUValue uint64
expectedNanoCoreUsageFirst uint64
expectedNanoCoreUsageSecond uint64
}{
{
desc: "metrics",
firstCPUValue: 50,
secondCPUValue: 500,
expectedNanoCoreUsageFirst: 0,
expectedNanoCoreUsageSecond: 450,
},
} {
test := test
t.Run(test.desc, func(t *testing.T) {
container, err := containerstore.NewContainer(
containerstore.Metadata{ID: ID},
)
assert.NoError(t, err)
assert.Nil(t, container.Stats)
err = c.containerStore.Add(container)
assert.NoError(t, err)
cpuUsage, err := c.getUsageNanoCores(ID, false, test.firstCPUValue, timestamp)
assert.NoError(t, err)
container, err = c.containerStore.Get(ID)
assert.NoError(t, err)
assert.NotNil(t, container.Stats)
assert.Equal(t, test.expectedNanoCoreUsageFirst, cpuUsage)
cpuUsage, err = c.getUsageNanoCores(ID, false, test.secondCPUValue, secondAfterTimeStamp)
assert.NoError(t, err)
assert.Equal(t, test.expectedNanoCoreUsageSecond, cpuUsage)
container, err = c.containerStore.Get(ID)
assert.NoError(t, err)
assert.NotNil(t, container.Stats)
})
}
}