kubernetes metrics_test 源码

2022-09-18
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kubernetes metrics_test 代码

文件路径：/pkg/kubelet/pluginmanager/metrics/metrics_test.go

/*
Copyright 2019 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 metrics

import (
	"fmt"
	"testing"

	"k8s.io/kubernetes/pkg/kubelet/pluginmanager/cache"
)

func TestMetricCollection(t *testing.T) {
	dsw := cache.NewDesiredStateOfWorld()
	asw := cache.NewActualStateOfWorld()
	fakePlugin := cache.PluginInfo{
		SocketPath: fmt.Sprintf("fake/path/plugin.sock"),
	}
	// Add one plugin to DesiredStateOfWorld
	err := dsw.AddOrUpdatePlugin(fakePlugin.SocketPath)
	if err != nil {
		t.Fatalf("AddOrUpdatePlugin failed. Expected: <no error> Actual: <%v>", err)
	}

	// Add one plugin to ActualStateOfWorld
	err = asw.AddPlugin(fakePlugin)
	if err != nil {
		t.Fatalf("AddOrUpdatePlugin failed. Expected: <no error> Actual: <%v>", err)
	}

	metricCollector := &totalPluginsCollector{asw: asw, dsw: dsw}

	// Check if getPluginCount returns correct data
	count := metricCollector.getPluginCount()
	if len(count) != 2 {
		t.Errorf("getPluginCount failed. Expected <2> states, got <%d>", len(count))
	}

	dswCount, ok := count["desired_state_of_world"]
	if !ok {
		t.Errorf("getPluginCount failed. Expected <desired_state_of_world>, got nothing")
	}

	fakePluginCount := dswCount["fake/path/plugin.sock"]
	if fakePluginCount != 1 {
		t.Errorf("getPluginCount failed. Expected <1> fake/path/plugin.sock in DesiredStateOfWorld, got <%d>",
			fakePluginCount)
	}

	aswCount, ok := count["actual_state_of_world"]
	if !ok {
		t.Errorf("getPluginCount failed. Expected <actual_state_of_world>, got nothing")
	}

	fakePluginCount = aswCount["fake/path/plugin.sock"]
	if fakePluginCount != 1 {
		t.Errorf("getPluginCount failed. Expected <1> fake/path/plugin.sock in ActualStateOfWorld, got <%d>",
			fakePluginCount)
	}
}

相关信息

kubernetes 源码目录

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kubernetes metrics 源码

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所属分类： 后端技术
本文标签： docker golang
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