59 lines
1.4 KiB
Go
59 lines
1.4 KiB
Go
package hoststats
|
|
|
|
import (
|
|
"math"
|
|
"os"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/hashicorp/consul/sdk/testutil"
|
|
"github.com/shirou/gopsutil/v3/cpu"
|
|
"github.com/stretchr/testify/assert"
|
|
"github.com/stretchr/testify/require"
|
|
)
|
|
|
|
func TestHostStats_CPU(t *testing.T) {
|
|
logger := testutil.Logger(t)
|
|
cwd, err := os.Getwd()
|
|
assert.Nil(t, err)
|
|
hs := initCollector(logger, cwd)
|
|
|
|
// Collect twice so we can calculate percents we need to generate some work
|
|
// so that the cpu values change
|
|
hs.collect()
|
|
for begin := time.Now(); time.Now().Sub(begin) < 100*time.Millisecond; {
|
|
}
|
|
hs.collect()
|
|
stats := hs.Stats()
|
|
assert.NotZero(t, len(stats.CPU))
|
|
|
|
for _, cpu := range stats.CPU {
|
|
assert.False(t, math.IsNaN(cpu.Idle))
|
|
assert.False(t, math.IsNaN(cpu.Total))
|
|
assert.False(t, math.IsNaN(cpu.System))
|
|
assert.False(t, math.IsNaN(cpu.User))
|
|
|
|
assert.False(t, math.IsInf(cpu.Idle, 0))
|
|
assert.False(t, math.IsInf(cpu.Total, 0))
|
|
assert.False(t, math.IsInf(cpu.System, 0))
|
|
assert.False(t, math.IsInf(cpu.User, 0))
|
|
}
|
|
}
|
|
|
|
func TestCpuStatsCalculator_Nan(t *testing.T) {
|
|
times := cpu.TimesStat{
|
|
User: 0.0,
|
|
Idle: 100.0,
|
|
System: 0.0,
|
|
}
|
|
|
|
calculator := &cpuStatsCalculator{}
|
|
calculator.calculate(times)
|
|
stats := calculator.calculate(times)
|
|
require.Equal(t, 100.0, stats.Idle)
|
|
require.Zero(t, stats.User)
|
|
require.Zero(t, stats.System)
|
|
require.Zero(t, stats.Iowait)
|
|
require.Zero(t, stats.Total)
|
|
}
|