blob: a5f41dace58b8d5a013c252e1c523583a4c38916 [file] [log] [blame]
package process
import (
"fmt"
"os"
"os/user"
"reflect"
"runtime"
"strings"
"sync"
"testing"
"time"
"github.com/shirou/gopsutil/internal/common"
"github.com/stretchr/testify/assert"
)
var mu sync.Mutex
func testGetProcess() Process {
checkPid := os.Getpid() // process.test
ret, _ := NewProcess(int32(checkPid))
return *ret
}
func Test_Pids(t *testing.T) {
ret, err := Pids()
if err != nil {
t.Errorf("error %v", err)
}
if len(ret) == 0 {
t.Errorf("could not get pids %v", ret)
}
}
func Test_Pids_Fail(t *testing.T) {
if runtime.GOOS != "darwin" {
t.Skip("darwin only")
}
mu.Lock()
defer mu.Unlock()
invoke = common.FakeInvoke{Suffix: "fail"}
ret, err := Pids()
invoke = common.Invoke{}
if err != nil {
t.Errorf("error %v", err)
}
if len(ret) != 9 {
t.Errorf("wrong getted pid nums: %v/%d", ret, len(ret))
}
}
func Test_Pid_exists(t *testing.T) {
checkPid := os.Getpid()
ret, err := PidExists(int32(checkPid))
if err != nil {
t.Errorf("error %v", err)
}
if ret == false {
t.Errorf("could not get process exists: %v", ret)
}
}
func Test_NewProcess(t *testing.T) {
checkPid := os.Getpid()
ret, err := NewProcess(int32(checkPid))
if err != nil {
t.Errorf("error %v", err)
}
empty := &Process{}
if runtime.GOOS != "windows" { // Windows pid is 0
if empty == ret {
t.Errorf("error %v", ret)
}
}
}
func Test_Process_memory_maps(t *testing.T) {
checkPid := os.Getpid()
ret, err := NewProcess(int32(checkPid))
mmaps, err := ret.MemoryMaps(false)
if err != nil {
t.Errorf("memory map get error %v", err)
}
empty := MemoryMapsStat{}
for _, m := range *mmaps {
if m == empty {
t.Errorf("memory map get error %v", m)
}
}
}
func Test_Process_MemoryInfo(t *testing.T) {
p := testGetProcess()
v, err := p.MemoryInfo()
if err != nil {
t.Errorf("geting memory info error %v", err)
}
empty := MemoryInfoStat{}
if v == nil || *v == empty {
t.Errorf("could not get memory info %v", v)
}
}
func Test_Process_CmdLine(t *testing.T) {
p := testGetProcess()
v, err := p.Cmdline()
if err != nil {
t.Errorf("geting cmdline error %v", err)
}
if !strings.Contains(v, "process.test") {
t.Errorf("invalid cmd line %v", v)
}
}
func Test_Process_CmdLineSlice(t *testing.T) {
p := testGetProcess()
v, err := p.CmdlineSlice()
if err != nil {
t.Fatalf("geting cmdline slice error %v", err)
}
if !reflect.DeepEqual(v, os.Args) {
t.Errorf("returned cmdline slice not as expected:\nexp: %v\ngot: %v", os.Args, v)
}
}
func Test_Process_Ppid(t *testing.T) {
p := testGetProcess()
v, err := p.Ppid()
if err != nil {
t.Errorf("geting ppid error %v", err)
}
if v == 0 {
t.Errorf("return value is 0 %v", v)
}
}
func Test_Process_Status(t *testing.T) {
p := testGetProcess()
v, err := p.Status()
if err != nil {
t.Errorf("geting status error %v", err)
}
if v != "R" && v != "S" {
t.Errorf("could not get state %v", v)
}
}
func Test_Process_Terminal(t *testing.T) {
p := testGetProcess()
_, err := p.Terminal()
if err != nil {
t.Errorf("geting terminal error %v", err)
}
/*
if v == "" {
t.Errorf("could not get terminal %v", v)
}
*/
}
func Test_Process_IOCounters(t *testing.T) {
p := testGetProcess()
v, err := p.IOCounters()
if err != nil {
t.Errorf("geting iocounter error %v", err)
return
}
empty := &IOCountersStat{}
if v == empty {
t.Errorf("error %v", v)
}
}
func Test_Process_NumCtx(t *testing.T) {
p := testGetProcess()
_, err := p.NumCtxSwitches()
if err != nil {
t.Errorf("geting numctx error %v", err)
return
}
}
func Test_Process_Nice(t *testing.T) {
p := testGetProcess()
n, err := p.Nice()
if err != nil {
t.Errorf("geting nice error %v", err)
}
if n != 0 && n != 20 && n != 8 {
t.Errorf("invalid nice: %d", n)
}
}
func Test_Process_NumThread(t *testing.T) {
p := testGetProcess()
n, err := p.NumThreads()
if err != nil {
t.Errorf("geting NumThread error %v", err)
}
if n < 0 {
t.Errorf("invalid NumThread: %d", n)
}
}
func Test_Process_Name(t *testing.T) {
p := testGetProcess()
n, err := p.Name()
if err != nil {
t.Errorf("geting name error %v", err)
}
if !strings.Contains(n, "process.test") {
t.Errorf("invalid Exe %s", n)
}
}
func Test_Process_Exe(t *testing.T) {
p := testGetProcess()
n, err := p.Exe()
if err != nil {
t.Errorf("geting Exe error %v", err)
}
if !strings.Contains(n, "process.test") {
t.Errorf("invalid Exe %s", n)
}
}
func Test_Process_CpuPercent(t *testing.T) {
p := testGetProcess()
percent, err := p.Percent(0)
if err != nil {
t.Errorf("error %v", err)
}
duration := time.Duration(1000) * time.Microsecond
time.Sleep(duration)
percent, err = p.Percent(0)
if err != nil {
t.Errorf("error %v", err)
}
numcpu := runtime.NumCPU()
// if percent < 0.0 || percent > 100.0*float64(numcpu) { // TODO
if percent < 0.0 {
t.Fatalf("CPUPercent value is invalid: %f, %d", percent, numcpu)
}
}
func Test_Process_CpuPercentLoop(t *testing.T) {
p := testGetProcess()
numcpu := runtime.NumCPU()
for i := 0; i < 2; i++ {
duration := time.Duration(100) * time.Microsecond
percent, err := p.Percent(duration)
if err != nil {
t.Errorf("error %v", err)
}
// if percent < 0.0 || percent > 100.0*float64(numcpu) { // TODO
if percent < 0.0 {
t.Fatalf("CPUPercent value is invalid: %f, %d", percent, numcpu)
}
}
}
func Test_Process_CreateTime(t *testing.T) {
p := testGetProcess()
c, err := p.CreateTime()
if err != nil {
t.Errorf("error %v", err)
}
if c < 1420000000 {
t.Errorf("process created time is wrong.")
}
gotElapsed := time.Since(time.Unix(int64(c/1000), 0))
maxElapsed := time.Duration(5 * time.Second)
if gotElapsed >= maxElapsed {
t.Errorf("this process has not been running for %v", gotElapsed)
}
}
func Test_Parent(t *testing.T) {
p := testGetProcess()
c, err := p.Parent()
if err != nil {
t.Fatalf("error %v", err)
}
if c == nil {
t.Fatalf("could not get parent")
}
if c.Pid == 0 {
t.Fatalf("wrong parent pid")
}
}
func Test_Connections(t *testing.T) {
p := testGetProcess()
c, err := p.Connections()
if err != nil {
t.Fatalf("error %v", err)
}
// TODO:
// Since go test open no conneciton, ret is empty.
// should invoke child process or other solutions.
if len(c) != 0 {
t.Fatalf("wrong connections")
}
}
func Test_Children(t *testing.T) {
p, err := NewProcess(1)
if err != nil {
t.Fatalf("new process error %v", err)
}
c, err := p.Children()
if err != nil {
t.Fatalf("error %v", err)
}
if len(c) == 0 {
t.Fatalf("children is empty")
}
}
func Test_Username(t *testing.T) {
myPid := os.Getpid()
currentUser, _ := user.Current()
myUsername := currentUser.Username
process, _ := NewProcess(int32(myPid))
pidUsername, _ := process.Username()
assert.Equal(t, myUsername, pidUsername)
}
func Test_CPUTimes(t *testing.T) {
pid := os.Getpid()
process, err := NewProcess(int32(pid))
assert.Nil(t, err)
spinSeconds := 0.2
cpuTimes0, err := process.Times()
assert.Nil(t, err)
// Spin for a duration of spinSeconds
t0 := time.Now()
tGoal := t0.Add(time.Duration(spinSeconds*1000) * time.Millisecond)
assert.Nil(t, err)
for time.Now().Before(tGoal) {
// This block intentionally left blank
}
cpuTimes1, err := process.Times()
assert.Nil(t, err)
if cpuTimes0 == nil || cpuTimes1 == nil {
t.FailNow()
}
measuredElapsed := cpuTimes1.Total() - cpuTimes0.Total()
message := fmt.Sprintf("Measured %fs != spun time of %fs\ncpuTimes0=%v\ncpuTimes1=%v",
measuredElapsed, spinSeconds, cpuTimes0, cpuTimes1)
assert.True(t, measuredElapsed > float64(spinSeconds)/5, message)
assert.True(t, measuredElapsed < float64(spinSeconds)*5, message)
}
func Test_OpenFiles(t *testing.T) {
pid := os.Getpid()
p, err := NewProcess(int32(pid))
assert.Nil(t, err)
v, err := p.OpenFiles()
assert.Nil(t, err)
assert.NotEmpty(t, v) // test always open files.
for _, vv := range v {
assert.NotEqual(t, "", vv.Path)
}
}