| 1 | package agent |
| 2 | |
| 3 | import ( |
| 4 | "errors" |
| 5 | "io" |
| 6 | "net/http" |
| 7 | "reflect" |
| 8 | "testing" |
| 9 | "testing/synctest" |
| 10 | "time" |
| 11 | |
| 12 | "reasonix/internal/event" |
| 13 | "reasonix/internal/provider" |
| 14 | "reasonix/internal/provider/openai" |
| 15 | ) |
| 16 | |
| 17 | func TestCompactionDeadlineSurvivesSSEHeartbeats(t *testing.T) { |
| 18 | synctest.Test(t, func(t *testing.T) { |
| 19 | closed := make(chan struct{}) |
| 20 | requests, heartbeats := 0, 0 |
| 21 | client := &http.Client{Transport: accountingRoundTripFunc(func(req *http.Request) (*http.Response, error) { |
| 22 | requests++ |
| 23 | reader, writer := io.Pipe() |
| 24 | go func() { |
| 25 | defer close(closed) |
| 26 | defer writer.Close() |
| 27 | tick := time.NewTicker(10 * time.Second) |
| 28 | defer tick.Stop() |
| 29 | for { |
| 30 | select { |
| 31 | case <-req.Context().Done(): |
| 32 | return |
| 33 | case <-tick.C: |
| 34 | if _, err := io.WriteString(writer, ": heartbeat\n\n"); err != nil { |
| 35 | return |
| 36 | } |
| 37 | heartbeats++ |
| 38 | } |
| 39 | } |
| 40 | }() |
| 41 | return &http.Response{StatusCode: http.StatusOK, Header: http.Header{"Content-Type": {"text/event-stream"}}, Body: reader}, nil |
| 42 | })} |
| 43 | p, err := openai.New(provider.Config{Name: "fixture", BaseURL: "https://example.invalid/v1", Model: "fixture", APIKey: "fixture", HTTPClient: client}) |
| 44 | if err != nil { |
| 45 | t.Fatal(err) |
| 46 | } |
| 47 | sess := foldableSessionOverForce(6) |
| 48 | original := sess.Snapshot() |
| 49 | a := New(p, nil, sess, Options{ContextWindow: 5000, CompactRatio: .5}, event.Discard) |
| 50 | started := time.Now() |
| 51 | err = a.CompactNow(t.Context(), "") |
| 52 | <-closed |
| 53 | if !errors.Is(err, errSummaryBudget) || time.Since(started) != compactionBudget { |
| 54 | t.Fatalf("elapsed=%s err=%v", time.Since(started), err) |
| 55 | } |
| 56 | if requests != 1 || heartbeats < 20 { |
| 57 | t.Fatalf("requests=%d heartbeats=%d", requests, heartbeats) |
| 58 | } |
| 59 | if a.currentProjectionVersion() != 0 || !reflect.DeepEqual(original, sess.Snapshot()) { |
| 60 | t.Fatal("heartbeat timeout changed the conversation") |
| 61 | } |
| 62 | }) |
| 63 | } |
| 64 |