| 1 | package agent |
| 2 | |
| 3 | import ( |
| 4 | "context" |
| 5 | "errors" |
| 6 | "testing" |
| 7 | |
| 8 | "reasonix/internal/agent/testutil" |
| 9 | "reasonix/internal/event" |
| 10 | "reasonix/internal/provider" |
| 11 | ) |
| 12 | |
| 13 | func TestCompatibleMissingReasoningDoesNotRegenerate(t *testing.T) { |
| 14 | mock := testutil.NewMock("compatible", testutil.Turn{ToolCalls: []provider.ToolCall{{ID: "one", Name: "echo", Arguments: `{"text":"hi"}`}}}, testutil.Turn{Text: "done"}) |
| 15 | sink := &recordSink{} |
| 16 | a := New(toolCallReasoningRequiredProvider{mock}, echoRegistry(), NewSession(""), Options{MissingReasoningWarnStateDir: t.TempDir()}, sink) |
| 17 | if err := a.Run(withNoClosedLoop(context.Background()), "go"); err != nil { |
| 18 | t.Fatal(err) |
| 19 | } |
| 20 | if mock.CallCount() != 2 || len(sink.kinds(event.ToolResult)) != 1 || len(sink.kinds(event.Retrying)) != 0 { |
| 21 | t.Fatalf("calls=%d tools=%d retries=%d", mock.CallCount(), len(sink.kinds(event.ToolResult)), len(sink.kinds(event.Retrying))) |
| 22 | } |
| 23 | } |
| 24 | |
| 25 | func TestTruncatedArgumentsNeverExecute(t *testing.T) { |
| 26 | mock := testutil.NewMock("m", testutil.Turn{ToolCalls: []provider.ToolCall{{ID: "cut", Name: "echo", Arguments: `{"text":"partial"}`}}, Usage: &provider.Usage{FinishReason: "length"}}, testutil.Turn{Text: "recovered"}) |
| 27 | sink := &recordSink{} |
| 28 | a := New(mock, echoRegistry(), NewSession(""), Options{}, sink) |
| 29 | if err := a.Run(withNoClosedLoop(context.Background()), "go"); err != nil { |
| 30 | t.Fatal(err) |
| 31 | } |
| 32 | results := sink.kinds(event.ToolResult) |
| 33 | if len(results) != 1 || results[0].Tool.Output == "echoed: partial" { |
| 34 | t.Fatalf("results=%+v", results) |
| 35 | } |
| 36 | for _, m := range a.Session().Snapshot() { |
| 37 | if m.ToolCallID == "cut" && m.ToolRunState != provider.ToolRunNotStarted { |
| 38 | t.Fatalf("state=%s", m.ToolRunState) |
| 39 | } |
| 40 | } |
| 41 | } |
| 42 | |
| 43 | func TestPartialStreamNeverEntersContinuousWaiting(t *testing.T) { |
| 44 | turns := make([]testutil.Turn, maxSamplingAttempts) |
| 45 | for i := range turns { |
| 46 | turns[i] = testutil.Turn{Text: "partial", ChunkError: provider.StreamInterrupt(errors.New("closed"), provider.StreamInterruptPrematureEOF)} |
| 47 | } |
| 48 | mock := testutil.NewMock("m", turns...) |
| 49 | sink := &recordSink{} |
| 50 | a := New(mock, echoRegistry(), NewSession(""), Options{}, sink) |
| 51 | if err := a.Run(withNoClosedLoop(context.Background()), "go"); err == nil { |
| 52 | t.Fatal("partial stream accepted") |
| 53 | } |
| 54 | if mock.CallCount() != 1 { |
| 55 | t.Fatalf("calls=%d", mock.CallCount()) |
| 56 | } |
| 57 | for _, e := range sink.kinds(event.Retrying) { |
| 58 | if e.Recovery != nil && e.Recovery.Waiting { |
| 59 | t.Fatal("partial generation waited indefinitely") |
| 60 | } |
| 61 | } |
| 62 | } |
| 63 | |
| 64 | func TestKnownSpendStillStopsRecoveryWithUnknownUsage(t *testing.T) { |
| 65 | var b runBudget |
| 66 | b.observe(&provider.Usage{PromptTokens: 1000000, Unknown: true}, &provider.Pricing{Input: 2, Currency: "USD"}) |
| 67 | if axis, _ := b.exceeded(TaskBudget{Cost: 1}); axis != "cost" || b.totals().Priced { |
| 68 | t.Fatalf("axis=%s totals=%+v", axis, b.totals()) |
| 69 | } |
| 70 | } |
| 71 | |
| 72 | func TestPiReferenceRetryScenarios(t *testing.T) { |
| 73 | for _, tc := range []struct { |
| 74 | name string |
| 75 | turns []testutil.Turn |
| 76 | calls int |
| 77 | success bool |
| 78 | }{ |
| 79 | {"temporary_failure_is_terminal", []testutil.Turn{{StreamError: &provider.APIError{Status: 503}}, {Text: "done"}}, 1, false}, |
| 80 | {"quota", []testutil.Turn{{StreamError: &provider.APIError{Status: 429, Body: "insufficient_quota"}}}, 1, false}, |
| 81 | } { |
| 82 | t.Run(tc.name, func(t *testing.T) { |
| 83 | p := testutil.NewMock("reference", tc.turns...) |
| 84 | a := New(p, echoRegistry(), NewSession(""), Options{}, event.Discard) |
| 85 | err := a.Run(withNoClosedLoop(context.Background()), "go") |
| 86 | if (err == nil) != tc.success || p.CallCount() != tc.calls { |
| 87 | t.Fatalf("calls=%d err=%v", p.CallCount(), err) |
| 88 | } |
| 89 | }) |
| 90 | } |
| 91 | } |
| 92 | |
| 93 | func TestMixedFailuresCannotRenewRecoveryBudget(t *testing.T) { |
| 94 | missing := testutil.Turn{ToolCalls: []provider.ToolCall{{ID: "missing", Name: "echo", Arguments: `{"text":"unsafe"}`}}} |
| 95 | p := testutil.NewMock("strict", testutil.Turn{StreamError: &provider.APIError{Status: 503}}, testutil.Turn{StreamError: &provider.APIError{Status: 503}}, missing, missing) |
| 96 | sink := &recordSink{} |
| 97 | a := New(strictToolCallReasoningProvider{p}, echoRegistry(), NewSession(""), Options{}, sink) |
| 98 | if err := a.Run(withNoClosedLoop(context.Background()), "go"); err == nil { |
| 99 | t.Fatal("invalid reasoning accepted") |
| 100 | } |
| 101 | if p.CallCount() != 1 || len(sink.kinds(event.ToolResult)) != 0 { |
| 102 | t.Fatalf("calls=%d tools=%d", p.CallCount(), len(sink.kinds(event.ToolResult))) |
| 103 | } |
| 104 | } |
| 105 | |
| 106 | type canceledCompletionProvider struct{ cancel context.CancelFunc } |
| 107 | |
| 108 | func (*canceledCompletionProvider) Name() string { return "late" } |
| 109 | func (p *canceledCompletionProvider) Stream(context.Context, provider.Request) (<-chan provider.Chunk, error) { |
| 110 | ch := make(chan provider.Chunk, 2) |
| 111 | ch <- provider.Chunk{Type: provider.ChunkToolCall, ToolCall: &provider.ToolCall{ID: "late", Name: "echo", Arguments: `{"text":"late"}`}} |
| 112 | ch <- provider.Chunk{Type: provider.ChunkDone} |
| 113 | close(ch) |
| 114 | p.cancel() |
| 115 | return ch, nil |
| 116 | } |
| 117 | func TestCanceledCompletionCannotStartTools(t *testing.T) { |
| 118 | ctx, cancel := context.WithCancel(context.Background()) |
| 119 | defer cancel() |
| 120 | sink := &recordSink{} |
| 121 | a := New(&canceledCompletionProvider{cancel}, echoRegistry(), NewSession(""), Options{}, sink) |
| 122 | if err := a.Run(withNoClosedLoop(ctx), "go"); !errors.Is(err, context.Canceled) { |
| 123 | t.Fatalf("err=%v", err) |
| 124 | } |
| 125 | if len(sink.kinds(event.ToolResult)) != 0 { |
| 126 | t.Fatal("late completion executed a tool") |
| 127 | } |
| 128 | } |
| 129 |