Files
2026-07-13 13:00:08 +08:00

84 lines
2.1 KiB
Go

package control
import (
"context"
"strings"
"sync"
"testing"
"reasonix/internal/agent"
"reasonix/internal/event"
"reasonix/internal/provider"
)
// TestCompactRefusedWhileRunning locks in the same guard Rewind/Branch have:
// the run loop is the only sanctioned writer of the live session during a
// turn, so a manual compact must be refused instead of rewriting the log
// underneath it.
func TestCompactRefusedWhileRunning(t *testing.T) {
sess := agent.NewSession("sys")
sess.Add(provider.Message{Role: provider.RoleUser, Content: "hi"})
exec := agent.New(nil, nil, sess, agent.Options{}, event.Discard)
c := New(Options{
Executor: exec,
SessionDir: t.TempDir(),
Label: "test",
Sink: event.Discard,
})
c.mu.Lock()
c.running = true
c.mu.Unlock()
err := c.Compact(context.Background(), "")
if err == nil {
t.Fatal("Compact while running should be refused")
}
if !strings.Contains(err.Error(), "cannot compact") {
t.Fatalf("err = %v, want 'cannot compact' guard error", err)
}
}
// TestRewindConcurrentWithHistoryReads exercises the conversation-rewind
// truncation against parallel History/CheckpointHasBoundary readers; before
// Rewind switched to Session.Snapshot/Replace the bare
// `s.Messages = s.Messages[:boundary]` write raced them (caught by -race).
func TestRewindConcurrentWithHistoryReads(t *testing.T) {
c, ag, _ := runTwoTurns(t)
c.checkpoints.mu.Lock()
lastTurn := c.checkpoints.turn - 1
c.checkpoints.mu.Unlock()
stop := make(chan struct{})
var wg sync.WaitGroup
for i := 0; i < 4; i++ {
wg.Add(1)
go func() {
defer wg.Done()
for {
select {
case <-stop:
return
default:
_ = c.History()
_ = c.CheckpointHasBoundary(lastTurn)
}
}
}()
}
err := c.Rewind(lastTurn, RewindConversation)
close(stop)
wg.Wait()
if err != nil {
t.Fatalf("Rewind: %v", err)
}
// The rewind truncated the log back to the last turn's boundary; History
// must still serve a consistent snapshot afterwards.
if got, want := ag.Session().Len(), 3; got != want { // sys + first prompt/answer
t.Fatalf("messages after rewind = %d, want %d", got, want)
}
}