Zabbix

//go:build linux

// +build linux

​

/*

** Copyright (C) 2001-2025 Zabbix SIA

**

** This program is free software: you can redistribute it and/or modify it under the terms of

** the GNU Affero General Public License as published by the Free Software Foundation, version 3.

**

** This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;

** without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

** See the GNU Affero General Public License for more details.

**

** You should have received a copy of the GNU Affero General Public License along with this program.

** If not, see <https://www.gnu.org/licenses/>.

**/

​

package procfs

​

import (

    "testing"

)

​

func BenchmarkReadAll(b *testing.B) {

    for i := 0; i < b.N; i++ {

        _, _ = ReadAll("/proc/self/stat")

    }

}

​

var testData = []byte(`

Name:   foo-bar

VmPeak:     6032 kB

b:

VmHWM:       456 mB

VmRSS:       456 GB

VmData:      376 TB

fail:        abs TB

fail_type:   200 FB

`)

​

func Test_byteFromProcFileData(t *testing.T) {

    type args struct {

        data      []byte

        valueName string

    }

    tests := []struct {

        name      string

        args      args

        wantValue uint64

        wantFound bool

        wantErr   bool

    }{

        {"+kB", args{testData, "VmPeak"}, 6032 * 1024, true, false},

        {"+mB", args{testData, "VmHWM"}, 456 * 1024 * 1024, true, false},

        {"+GB", args{testData, "VmRSS"}, 456 * 1024 * 1024 * 1024, true, false},

        {"+TB", args{testData, "VmData"}, 376 * 1024 * 1024 * 1024 * 1024, true, false},

        {"-malformed_line", args{testData, "b"}, 0, false, false},

        {"-incorrect_value", args{testData, "fail"}, 0, false, true},

        {"-incorrect_value_type", args{testData, "fail_type"}, 0, false, true},

        {"-not_found", args{testData, "FooBar"}, 0, false, false},

        {"-no_data", args{nil, ""}, 0, false, false},

    }

    for _, tt := range tests {