1  // Copyright 2026 Alibaba Group Holding Ltd.
 2  //
 3  // Licensed under the Apache License, Version 2.0 (the "License");
 4  // you may not use this file except in compliance with the License.
 5  // You may obtain a copy of the License at
 6  //
 7  //     http://www.apache.org/licenses/LICENSE-2.0
 8  //
 9  // Unless required by applicable law or agreed to in writing, software
10  // distributed under the License is distributed on an "AS IS" BASIS,
11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  // See the License for the specific language governing permissions and
13  // limitations under the License.
14  
15  package telemetry
16  
17  import (
18  	"testing"
19  
20  	"github.com/stretchr/testify/assert"
21  )
22  
23  func TestProcStatCPUJiffies(t *testing.T) {
24  	// synthetic: user nice system idle iowait
25  	line := "cpu 100 0 50 200 25 0 0 0 0 0"
26  	total, idle, ok := procStatCPUJiffies(line)
27  	assert.True(t, ok)
28  	assert.Equal(t, uint64(375), total)
29  	assert.Equal(t, uint64(225), idle) // 200+25
30  }