open-nomad/drivers/shared/executor/pid_collector_test.go

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package executor
import (
"testing"
ps "github.com/mitchellh/go-ps"
)
func TestScanPids(t *testing.T) {
t.Parallel()
p1 := NewFakeProcess(2, 5)
p2 := NewFakeProcess(10, 2)
p3 := NewFakeProcess(15, 6)
p4 := NewFakeProcess(3, 10)
p5 := NewFakeProcess(20, 18)
nomadPids, err := scanPids(5, []ps.Process{p1, p2, p3, p4, p5})
if err != nil {
t.Fatalf("error: %v", err)
}
if len(nomadPids) != 4 {
t.Fatalf("expected: 4, actual: %v", len(nomadPids))
}
}
type FakeProcess struct {
pid int
ppid int
}
func (f FakeProcess) Pid() int {
return f.pid
}
func (f FakeProcess) PPid() int {
return f.ppid
}
func (f FakeProcess) Executable() string {
return "fake"
}
func NewFakeProcess(pid int, ppid int) ps.Process {
return FakeProcess{pid: pid, ppid: ppid}
}