vain/vendor/github.com/prometheus/procfs/proc_test.go
Stephen McQuay (smcquay) aa1ef99295
added metrics
Change-Id: I7727bd43911339f48e2d096f8bb43729eb65b3ad
2016-06-25 13:41:20 -07:00

161 lines
3.2 KiB
Go

package procfs
import (
"reflect"
"sort"
"testing"
)
func TestSelf(t *testing.T) {
fs := FS("fixtures")
p1, err := fs.NewProc(26231)
if err != nil {
t.Fatal(err)
}
p2, err := fs.Self()
if err != nil {
t.Fatal(err)
}
if !reflect.DeepEqual(p1, p2) {
t.Errorf("want process %v, have %v", p1, p2)
}
}
func TestAllProcs(t *testing.T) {
procs, err := FS("fixtures").AllProcs()
if err != nil {
t.Fatal(err)
}
sort.Sort(procs)
for i, p := range []*Proc{{PID: 584}, {PID: 26231}} {
if want, have := p.PID, procs[i].PID; want != have {
t.Errorf("want processes %d, have %d", want, have)
}
}
}
func TestCmdLine(t *testing.T) {
for _, tt := range []struct {
process int
want []string
}{
{process: 26231, want: []string{"vim", "test.go", "+10"}},
{process: 26232, want: []string{}},
} {
p1, err := FS("fixtures").NewProc(tt.process)
if err != nil {
t.Fatal(err)
}
c1, err := p1.CmdLine()
if err != nil {
t.Fatal(err)
}
if !reflect.DeepEqual(tt.want, c1) {
t.Errorf("want cmdline %v, have %v", tt.want, c1)
}
}
}
func TestComm(t *testing.T) {
for _, tt := range []struct {
process int
want string
}{
{process: 26231, want: "vim"},
{process: 26232, want: "ata_sff"},
} {
p1, err := FS("fixtures").NewProc(tt.process)
if err != nil {
t.Fatal(err)
}
c1, err := p1.Comm()
if err != nil {
t.Fatal(err)
}
if !reflect.DeepEqual(tt.want, c1) {
t.Errorf("want comm %v, have %v", tt.want, c1)
}
}
}
func TestExecutable(t *testing.T) {
for _, tt := range []struct {
process int
want string
}{
{process: 26231, want: "/usr/bin/vim"},
{process: 26232, want: ""},
} {
p, err := FS("fixtures").NewProc(tt.process)
if err != nil {
t.Fatal(err)
}
exe, err := p.Executable()
if err != nil {
t.Fatal(err)
}
if !reflect.DeepEqual(tt.want, exe) {
t.Errorf("want absolute path to cmdline %v, have %v", tt.want, exe)
}
}
}
func TestFileDescriptors(t *testing.T) {
p1, err := FS("fixtures").NewProc(26231)
if err != nil {
t.Fatal(err)
}
fds, err := p1.FileDescriptors()
if err != nil {
t.Fatal(err)
}
sort.Sort(byUintptr(fds))
if want := []uintptr{0, 1, 2, 3, 10}; !reflect.DeepEqual(want, fds) {
t.Errorf("want fds %v, have %v", want, fds)
}
}
func TestFileDescriptorTargets(t *testing.T) {
p1, err := FS("fixtures").NewProc(26231)
if err != nil {
t.Fatal(err)
}
fds, err := p1.FileDescriptorTargets()
if err != nil {
t.Fatal(err)
}
sort.Strings(fds)
var want = []string{
"../../symlinktargets/abc",
"../../symlinktargets/def",
"../../symlinktargets/ghi",
"../../symlinktargets/uvw",
"../../symlinktargets/xyz",
}
if !reflect.DeepEqual(want, fds) {
t.Errorf("want fds %v, have %v", want, fds)
}
}
func TestFileDescriptorsLen(t *testing.T) {
p1, err := FS("fixtures").NewProc(26231)
if err != nil {
t.Fatal(err)
}
l, err := p1.FileDescriptorsLen()
if err != nil {
t.Fatal(err)
}
if want, have := 5, l; want != have {
t.Errorf("want fds %d, have %d", want, have)
}
}
type byUintptr []uintptr
func (a byUintptr) Len() int { return len(a) }
func (a byUintptr) Swap(i, j int) { a[i], a[j] = a[j], a[i] }
func (a byUintptr) Less(i, j int) bool { return a[i] < a[j] }