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|
package internal
import (
"context"
"fmt"
"ior/internal/event"
"ior/internal/file"
"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)
addTests(t, inCh, validateCh)
}()
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) {
outCh <- ev
}
ev.run(ctx, inCh)
}
func addTests(t *testing.T, inCh chan []byte, validateCh chan validateFunc) {
addOpenFileTest1(t, inCh, validateCh)
addOpenFileTest2(t, inCh, validateCh)
}
func addOpenFileTest1(t *testing.T, inCh chan<- []byte, validateCh chan<- validateFunc) {
enterEv, enterEvBytes := makeEnterOpenEvent(t)
inCh <- enterEvBytes // Should be discarded by the event loop automatically
inCh <- enterEvBytes
_, exitEvBytes := makeExitOpenEvent(t)
inCh <- exitEvBytes
inCh <- exitEvBytes // Should be discarded by the event loop automatically
validateCh <- func(t *testing.T, ep *event.Pair) {
if ep.EnterEv.GetTraceId() != enterEv.TraceId {
t.Errorf("Expected TraceId '%v' but got '%v'", enterEv.TraceId, ep.EnterEv.GetTraceId())
return
}
filenameA := ep.FileName()
filenameB := file.StringValue(enterEv.Filename[:])
if filenameA != filenameB {
t.Errorf("Expected file name '%v' but got '%v'", filenameB, filenameA)
return
}
comm := file.StringValue(enterEv.Comm[:])
if ep.Comm != comm {
t.Errorf("Expected comm name '%v' but got '%v'", comm, ep.Comm)
return
}
t.Log(fmt.Sprintf("Event pair '%v' appears fine", ep))
}
}
func addOpenFileTest2(t *testing.T, inCh chan<- []byte, validateCh chan<- validateFunc) {
}
func makeEnterOpenEvent(t *testing.T) (types.OpenEvent, []byte) {
ev := 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(ev.Filename[:], "testfile.txt")
copy(ev.Comm[:], "testcomm")
bytes, err := ev.Bytes()
if err != nil {
t.Error(err)
}
return ev, bytes
}
func makeExitOpenEvent(t *testing.T) (types.RetEvent, []byte) {
ev := types.RetEvent{
EventType: types.EXIT_OPEN_EVENT,
TraceId: types.SYS_EXIT_OPENAT,
Time: 123456789,
Ret: 42,
Pid: 10,
Tid: 11,
}
bytes, err := ev.Bytes()
if err != nil {
t.Error(err)
}
return ev, bytes
}
|
