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|
package internal
import (
"testing"
"ior/internal/event"
"ior/internal/globalfilter"
"ior/internal/types"
)
func TestTracepointExitedMalformedOpenExitDoesNotPanicAndNotifies(t *testing.T) {
el := mustNewEventLoop(t, eventLoopConfig{})
warnings := make(chan string, 1)
el.warningCb = func(message string) { warnings <- message }
enterEv, enterRaw := makeEnterOpenEvent(t, defaulTime, defaultPid, defaultTid)
el.tracepointEntered(types.NewOpenEvent(enterRaw))
_, exitRaw := makeExitNullEvent(t, defaulTime+1, defaultPid, defaultTid, types.SYS_EXIT_OPEN)
exitEv := types.NewNullEvent(exitRaw)
pairCh := make(chan *event.Pair, 1)
defer func() {
if r := recover(); r != nil {
t.Fatalf("tracepointExited panicked: %v", r)
}
}()
el.tracepointExited(exitEv, pairCh)
select {
case ep := <-pairCh:
t.Fatalf("unexpected event produced: %v", ep)
default:
}
select {
case msg := <-warnings:
if msg == "" {
t.Fatalf("expected non-empty warning message")
}
default:
t.Fatalf("expected warning notification")
}
if _, ok := el.enterEvs[enterEv.Tid]; ok {
t.Fatalf("expected enter event to be removed for tid %d", enterEv.Tid)
}
}
func TestTracepointExitedMalformedOpenByHandleAtExitDoesNotPanicAndNotifies(t *testing.T) {
el := mustNewEventLoop(t, eventLoopConfig{})
warnings := make(chan string, 1)
el.warningCb = func(message string) { warnings <- message }
_, enterRaw := makeEnterOpenByHandleAtEvent(t, defaulTime, defaultPid, defaultTid, 0)
el.tracepointEntered(types.NewOpenByHandleAtEvent(enterRaw))
_, exitRaw := makeExitNullEvent(t, defaulTime+1, defaultPid, defaultTid, types.SYS_EXIT_OPEN_BY_HANDLE_AT)
exitEv := types.NewNullEvent(exitRaw)
pairCh := make(chan *event.Pair, 1)
defer func() {
if r := recover(); r != nil {
t.Fatalf("tracepointExited panicked: %v", r)
}
}()
el.tracepointExited(exitEv, pairCh)
select {
case ep := <-pairCh:
t.Fatalf("unexpected event produced: %v", ep)
default:
}
select {
case msg := <-warnings:
if msg == "" {
t.Fatalf("expected non-empty warning message")
}
default:
t.Fatalf("expected warning notification")
}
}
func TestProcessRawEventUnknownTypeDoesNotPanicAndNotifies(t *testing.T) {
el := mustNewEventLoop(t, eventLoopConfig{})
warnings := make(chan string, 1)
el.warningCb = func(message string) { warnings <- message }
pairCh := make(chan *event.Pair, 1)
defer func() {
if r := recover(); r != nil {
t.Fatalf("processRawEvent panicked: %v", r)
}
}()
el.processRawEvent([]byte{255}, pairCh)
select {
case ep := <-pairCh:
t.Fatalf("unexpected event produced: %v", ep)
default:
}
select {
case msg := <-warnings:
if msg == "" {
t.Fatalf("expected non-empty warning message")
}
default:
t.Fatalf("expected warning notification")
}
}
func TestProcessRawEventMalformedKnownTypeDoesNotPanicAndNotifies(t *testing.T) {
el := mustNewEventLoop(t, eventLoopConfig{})
warnings := make(chan string, 1)
el.warningCb = func(message string) { warnings <- message }
pairCh := make(chan *event.Pair, 1)
defer func() {
if r := recover(); r != nil {
t.Fatalf("processRawEvent panicked: %v", r)
}
}()
el.processRawEvent([]byte{byte(types.ENTER_OPEN_EVENT)}, pairCh)
select {
case ep := <-pairCh:
t.Fatalf("unexpected event produced: %v", ep)
default:
}
select {
case msg := <-warnings:
if msg == "" {
t.Fatalf("expected non-empty warning message")
}
default:
t.Fatalf("expected warning notification")
}
}
func TestDecodeRawEventMalformedNotifies(t *testing.T) {
el := mustNewEventLoop(t, eventLoopConfig{})
warnings := make(chan string, 1)
el.warningCb = func(message string) { warnings <- message }
decoded, ok := decodeRawEvent(el, types.ENTER_OPEN_EVENT, []byte{byte(types.ENTER_OPEN_EVENT)}, types.NewOpenEventFast)
if ok || decoded != nil {
t.Fatalf("expected malformed raw event decode to fail, got ok=%v decoded=%v", ok, decoded)
}
select {
case msg := <-warnings:
if msg == "" {
t.Fatalf("expected non-empty warning message")
}
default:
t.Fatalf("expected warning notification")
}
}
func TestMustBeTypeReturnsTypedEnterEvent(t *testing.T) {
el := mustNewEventLoop(t, eventLoopConfig{})
enterEv, enterRaw := makeEnterOpenEvent(t, defaulTime, defaultPid, defaultTid)
ep := event.NewPair(types.NewOpenEvent(enterRaw))
defer ep.Recycle()
typed, ok := mustBeType[*types.OpenEvent](el, ep, "ignored")
if !ok {
t.Fatal("expected mustBeType to return the typed enter event")
}
if typed.GetTid() != enterEv.Tid {
t.Fatalf("mustBeType() returned tid %d, want %d", typed.GetTid(), enterEv.Tid)
}
}
func TestMustBeTypeRecyclesMalformedPairAndNotifies(t *testing.T) {
el := mustNewEventLoop(t, eventLoopConfig{})
warnings := make(chan string, 1)
el.warningCb = func(message string) { warnings <- message }
_, enterRaw := makeEnterNullEvent(t, defaulTime, defaultPid, defaultTid, types.SYS_ENTER_SYNC)
ep := event.NewPair(types.NewNullEvent(enterRaw))
typed, ok := mustBeType[*types.OpenEvent](el, ep, "Dropped malformed open enter event")
if ok || typed != nil {
t.Fatalf("expected mustBeType mismatch to fail, got ok=%v typed=%v", ok, typed)
}
if ep.EnterEv != nil || ep.ExitEv != nil {
t.Fatalf("expected malformed pair to be recycled")
}
select {
case msg := <-warnings:
if msg != "Dropped malformed open enter event" {
t.Fatalf("unexpected warning %q", msg)
}
default:
t.Fatalf("expected warning notification")
}
}
func TestTracepointEnteredMissingCommWithCommFilterNotifies(t *testing.T) {
el := mustNewEventLoop(t, eventLoopConfig{
filter: globalfilter.Filter{
Comm: &globalfilter.StringFilter{Pattern: "system"},
},
})
warnings := make(chan string, 1)
el.warningCb = func(message string) { warnings <- message }
_, enterRaw := makeEnterFdEvent(t, defaulTime, defaultPid, defaultTid, 20, types.SYS_ENTER_WRITE)
defer func() {
if r := recover(); r != nil {
t.Fatalf("tracepointEntered panicked: %v", r)
}
}()
el.tracepointEntered(types.NewFdEvent(enterRaw))
select {
case msg := <-warnings:
if msg == "" {
t.Fatalf("expected non-empty warning message")
}
default:
t.Fatalf("expected warning notification")
}
if _, ok := el.enterEvs[defaultTid]; ok {
t.Fatalf("expected no enter event to be stored for tid %d", defaultTid)
}
}
|
