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