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|
package internal
import (
"context"
"fmt"
"ior/internal/event"
"ior/internal/types"
"syscall"
"testing"
)
type validateFunc func(t *testing.T, ev *event.Pair)
func TestEventloop(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
inCh := make(chan []byte)
outCh := make(chan *event.Pair)
validateCh := make(chan validateFunc)
go func() {
defer close(inCh)
defer close(validateCh)
enterEv, exitEv, validate := openFileTestdata(t)
inCh <- enterEv
inCh <- exitEv
validateCh <- validate
}()
go func() {
for ev := range outCh {
t.Run(ev.EnterEv.String(), func(t *testing.T) {
t.Log("Received", ev)
validate := <-validateCh
validate(t, ev)
})
}
}()
ev := newEventLoop()
ev.printCb = func(ev *event.Pair) {
t.Log("printCb", ev)
outCh <- ev
}
ev.run(ctx, inCh)
}
func openFileTestdata(t *testing.T) (enterEvBytes, exitEvBytes []byte, validate validateFunc) {
enterEv := types.OpenEvent{
EventType: types.ENTER_OPEN_EVENT,
TraceId: types.SYS_ENTER_OPENAT,
Time: 123456789,
Pid: 10,
Tid: 11,
Flags: syscall.O_RDWR,
Filename: [types.MAX_FILENAME_LENGTH]byte{},
Comm: [types.MAX_PROGNAME_LENGTH]byte{},
}
copy(enterEv.Filename[:], "testfile.txt")
copy(enterEv.Comm[:], "testcomm")
var err error
enterEvBytes, err = enterEv.Bytes()
if err != nil {
t.Error(err)
}
exitEv := types.RetEvent{
EventType: types.EXIT_OPEN_EVENT,
TraceId: types.SYS_EXIT_OPENAT,
Time: 123456789,
Ret: 42,
Pid: 10,
Tid: 11,
}
exitEvBytes, err = exitEv.Bytes()
if err != nil {
t.Error(err)
}
validate = func(t *testing.T, ev *event.Pair) {
if ev.EnterEv.GetTraceId() != enterEv.TraceId {
t.Errorf("Expected TraceId '%v' but got '%v'", enterEv.TraceId, ev.EnterEv.GetTraceId())
}
t.Log(fmt.Sprintf("Event pair '%v' appears fine", ev))
}
return
}
|
