feat(client): NpcContent.available_moves — the legality home

client/tests/unit/test_npc_content.gd

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+extends "res://addons/gut/test.gd"
+
+const NpcContent = preload("res://scripts/npc/npc_content.gd")
+
+func _fenn() -> Dictionary:
+	return {"id": "fenn", "capabilities": {
+		"offerable_quests": ["find_the_ledger"],
+		"giveable_items": [],
+		"revealable_topics": ["varrell_twins", "fenns_debt"]}}
+
+
+func test_universal_moves_always_present():
+	var moves = NpcContent.available_moves(_fenn(), GameState.new(), CanonLog.new())
+	for m in ["adjust_disposition", "refuse", "end_conversation", "become_hostile"]:
+		assert_true(m in moves, "missing universal move %s" % m)
+
+
+func test_offers_unstarted_quest_and_unrevealed_topics():
+	var moves = NpcContent.available_moves(_fenn(), GameState.new(), CanonLog.new())
+	assert_true("offer_quest(find_the_ledger)" in moves)
+	assert_true("reveal(varrell_twins)" in moves)
+	assert_true("reveal(fenns_debt)" in moves)
+
+
+func test_active_quest_is_not_offered_again():
+	var log = CanonLog.new()
+	log.add_quest("find_the_ledger", "x", "y")
+	var moves = NpcContent.available_moves(_fenn(), GameState.new(), log)
+	assert_false("offer_quest(find_the_ledger)" in moves)
+
+
+func test_revealed_topic_drops_out():
+	var gs = GameState.new()
+	gs.mark_revealed("varrell_twins")
+	var moves = NpcContent.available_moves(_fenn(), gs, CanonLog.new())
+	assert_false("reveal(varrell_twins)" in moves)
+	assert_true("reveal(fenns_debt)" in moves)
+
+
+func test_accept_item_offered_per_held_item():
+	var gs = GameState.new()
+	gs.add_item("coin", 2)
+	var moves = NpcContent.available_moves(_fenn(), gs, CanonLog.new())
+	assert_true("accept_item(coin)" in moves)