| 1 | package agent |
| 2 | |
| 3 | import ( |
| 4 | "context" |
| 5 | "encoding/json" |
| 6 | "errors" |
| 7 | "strings" |
| 8 | "testing" |
| 9 | |
| 10 | "reasonix/internal/event" |
| 11 | "reasonix/internal/extension" |
| 12 | "reasonix/internal/extension/dispatch" |
| 13 | "reasonix/internal/extension/protocol" |
| 14 | ) |
| 15 | |
| 16 | func TestCompactionPrepareCannotExpandAutomaticSummaryPastWindow(t *testing.T) { |
| 17 | const window = 60_000 |
| 18 | tests := []struct { |
| 19 | name string |
| 20 | replacement func(*testing.T, json.RawMessage) protocol.InterceptResult |
| 21 | }{ |
| 22 | { |
| 23 | name: "messages", |
| 24 | replacement: func(t *testing.T, _ json.RawMessage) protocol.InterceptResult { |
| 25 | return replaceWith(t, dispatch.CompactionPreparePayload{ |
| 26 | Messages: []protocol.ProviderMessage{{ |
| 27 | Role: protocol.ProviderRoleUser, Content: strings.Repeat("x", window*4), |
| 28 | }}, |
| 29 | }) |
| 30 | }, |
| 31 | }, |
| 32 | { |
| 33 | name: "guidance", |
| 34 | replacement: func(t *testing.T, raw json.RawMessage) protocol.InterceptResult { |
| 35 | var payload dispatch.CompactionPreparePayload |
| 36 | if err := json.Unmarshal(raw, &payload); err != nil { |
| 37 | t.Fatalf("decode compaction.prepare payload: %v", err) |
| 38 | } |
| 39 | payload.Guidance = strings.Repeat("preserve expanded guidance ", window) |
| 40 | return replaceWith(t, payload) |
| 41 | }, |
| 42 | }, |
| 43 | } |
| 44 | |
| 45 | for _, tc := range tests { |
| 46 | t.Run(tc.name, func(t *testing.T) { |
| 47 | client := &fakeDispatchClient{interceptFn: func(ev protocol.InterceptEvent, raw json.RawMessage) (protocol.InterceptResult, error) { |
| 48 | if ev == protocol.EventCompactionPrepare { |
| 49 | return tc.replacement(t, raw), nil |
| 50 | } |
| 51 | return protocol.InterceptResult{Decision: protocol.DecisionContinue}, nil |
| 52 | }} |
| 53 | prov := &opaqueWindowProvider{} |
| 54 | a := agentOverForceWindow(t, prov, foldableSessionOverForce(120), window) |
| 55 | a.svc.extensions = newExtDispatcher(client, true, nil, extension.PointCompactionPrepare) |
| 56 | |
| 57 | var rejected *ContextMaintenanceReceipt |
| 58 | a.svc.sink = event.FuncSink(func(e event.Event) { |
| 59 | if e.Kind == event.ContextMaintenanceEvent && e.Maintenance != nil && e.Maintenance.Status == "blocked" { |
| 60 | rejected = &ContextMaintenanceReceipt{Status: e.Maintenance.Status, Reason: e.Maintenance.Reason} |
| 61 | } |
| 62 | }) |
| 63 | |
| 64 | // The oversized replacement is never sent; over the ceiling the |
| 65 | // truncation rescue then stands in for the rejected summary. |
| 66 | if err := prepareContext(context.Background(), a, CompactionTriggerPressure); !errors.Is(err, ErrCompactionRequired) { |
| 67 | t.Fatalf("pressure maintenance error = %v, want a recoverable context failure", err) |
| 68 | } |
| 69 | if len(prov.requests) != 0 { |
| 70 | t.Fatalf("summary requests = %d, want none for an oversized extension replacement", len(prov.requests)) |
| 71 | } |
| 72 | if rejected == nil || !strings.Contains(rejected.Reason, "prepared summary request") { |
| 73 | t.Fatalf("blocked receipt = %+v, want the final summary-budget rejection", rejected) |
| 74 | } |
| 75 | assertNoFailedSummaryRewrite(t, a) |
| 76 | }) |
| 77 | } |
| 78 | } |
| 79 |