Function TestVerifyNudgeFiresOnceAtMinRounds

internal/tui/tui_test.go:2024–2065

TestVerifyNudgeFiresOnceAtMinRounds: the finish re-grounding nudge trips one soft system note only once a turn has done real work (toolRounds >= verifyNudgeMinRounds), and never below it; the latch keeps it to once per turn.

(t *testing.T)

	m.maybeRunawayNudge()
	if n := countSystem(m.history); n != 1 {
		t.Fatalf("overshooting the cap must still fire once, got %d system notes", n)
	}
	// A later drain in the same turn must not re-fire.
	m.toolRounds = maxToolRounds + 10
	m.maybeRunawayNudge()
	if n := countSystem(m.history); n != 1 {
		t.Fatalf("latch must prevent a second nudge in the same turn, got %d", n)
	}
}

// TestEndTurnResetsToolRounds: the runaway counter is per-turn, so endTurn must
// zero it or the next turn inherits a head start toward the cap.
func TestEndTurnResetsToolRounds(t *testing.T) {
	m := newTestModel(t, func(http.ResponseWriter, *http.Request) {})
	m.installTurnContext()
	m.toolRounds = 42
	m.endTurn()
	if m.toolRounds != 0 {
		t.Fatalf("endTurn must reset toolRounds, got %d", m.toolRounds)
	}
}

// TestVerifyNudgeFiresOnceAtMinRounds: the finish re-grounding nudge trips one
// soft system note only once a turn has done real work (toolRounds >=
// verifyNudgeMinRounds), and never below it; the latch keeps it to once per turn.
func TestVerifyNudgeFiresOnceAtMinRounds(t *testing.T) {
	m := newTestModel(t, func(http.ResponseWriter, *http.Request) {})

	m.toolRounds = verifyNudgeMinRounds - 1
	if m.maybeVerifyNudge() {
		t.Fatal("below the min-rounds gate must not nudge")
	}
	if n := countSystem(m.history); n != 0 {
		t.Fatalf("a trivial turn must not be re-grounded, got %d system notes", n)
	}

	m.toolRounds = verifyNudgeMinRounds
	if !m.maybeVerifyNudge() {
		t.Fatal("at the min-rounds gate the nudge must fire and report it nudged")
	}
	if n := countSystem(m.history); n != 1 {
		t.Fatalf("at the gate expected one re-grounding note, got %d:\n%+v", n, m.history)
	}
	last := m.history[len(m.history)-1]
	if !strings.Contains(last.Content, "unverified") || !strings.Contains(last.Content, "acceptance criteria") {