Function TestRepeatedFailureNudgeSuccessResetsStreak

internal/tui/tui_test.go:1862–1886

TestRepeatedFailureNudgeSuccessResetsStreak: a single success in the middle of a run of failures resets the streak, so the nudge never fires.

(t *testing.T)

	}
	if !strings.Contains(last.Content, fmt.Sprintf("last %d tool calls", maxToolFailStreak)) {
		t.Fatalf("nudge should name the streak count: %q", last.Content)
	}
	// Streak resets after firing so it can't double-fire on the next failure.
	if final.failStreak != 0 || final.failKey != "" {
		t.Fatalf("nudge must reset failKey/failStreak, got key=%q streak=%d", final.failKey, final.failStreak)
	}
}

// recordAndNudge replays Update's toolResultMsg "queue drained" branch: record
// the outcome, then consider the failure nudge. Lets the streak tests exercise
// the real recordToolOutcome + maybeFailureNudge without a live SSE turn.
func (m Model) recordAndNudge(result chmctx.Message) (tea.Model, tea.Cmd) {
	m.history = append(m.history, result)
	m.recordToolOutcome(result.ToolName, result.Content)
	m.maybeFailureNudge()
	return m, nil
}

// TestRepeatedFailureNudgeSuccessResetsStreak: a single success in the middle
// of a run of failures resets the streak, so the nudge never fires.
func TestRepeatedFailureNudgeSuccessResetsStreak(t *testing.T) {
	m := newTestModel(t, func(http.ResponseWriter, *http.Request) {})
	m.lastToolKey = tools.BashName + "|make build"
	fail := chmctx.Message{Role: chmctx.RoleTool, ToolName: tools.BashName, Content: "x\n(exit: exit status 1)"}
	ok := chmctx.Message{Role: chmctx.RoleTool, ToolName: tools.BashName, Content: "all green"}

	var mm tea.Model = m
	// 4 failures, then one success, then 4 more failures, never 5 in a row.