def test_validate_item_liquid_container_not_liquid(self):
        water = Item(1111, 0x22902, Labels("water", "some water",
                                           "some water"), 1, None, {})
        water.add_container(self.basket)
        self.items_by_id[1111] = water

        validation = self.validator.validate(self.data_collection)

        self.assertEqual(1, len(validation))
        validation_line = validation[0]
        self.assertEqual(
            "Item {0} \"{1}\" is a liquid, but has container {2} \"{3}\", which is not a liquid container.",
            validation_line.template)
        self.assertEqual(Severity.ERROR, validation_line.severity)
        self.assertEqual((1111, "water", 1107, "basket"), validation_line.args)
    def test_validate_item_liquid_non_copyable_container_location(self):
        water = Item(1111, 0x2102, Labels("water", "some water", "some water"),
                     1, None, {})
        water.add_container(self.lighthouse_location)
        self.items_by_id[1111] = water

        validation = self.validator.validate(self.data_collection)

        self.assertEqual(1, len(validation))
        validation_line = validation[0]
        self.assertEqual(
            "Item {0} \"{1}\" is a liquid, and has location container {2} \"{3}\". Liquids may only be contained at locations if they are copyable.",
            validation_line.template)
        self.assertEqual(Severity.ERROR, validation_line.severity)
        self.assertEqual((1111, "water", 12, "Lighthouse"),
                         validation_line.args)
class TestPostParseValidator(unittest.TestCase):
    def setUp(self):
        self.setup_commands()
        self.setup_inventories()
        self.setup_locations()
        self.setup_items()
        self.data_collection = DataCollection(
            commands=self.command_collection,
            inventories=self.inventory_collection,
            locations=self.location_collection,
            elements_by_id=None,
            items=self.item_collection,
            item_related_commands=None,
            hints=None,
            explanations=None,
            responses=None,
            inputs=None,
            events=None,
        )
        self.validator = PostParseValidator()

    def setup_commands(self):
        self.commands_by_id = {}
        self.commands_by_id[56] = Command(56, 0x0, [], [], ["take", "t"], {})
        self.smash_command_ids = []
        self.command_collection = CommandCollection({}, self.commands_by_id,
                                                    "command_list",
                                                    self.smash_command_ids)

    def setup_inventories(self):
        self.inventories_by_id = {}
        self.inventories_by_id[0] = Inventory(
            0, 0x1,
            Labels("Main Inventory", "in the main inventory",
                   ", where items live usually."), 3)
        self.inventory_collection = InventoryCollection(self.inventories_by_id)

    def setup_locations(self):
        self.lighthouse_location = Location(
            12, 0x603, Labels("Lighthouse", "at a lighthouse", " by the sea."))
        self.beach_location = Location(
            13, 0x603, Labels("Beach", "on a beach", " of black sand"))
        self.locations_by_id = {}
        self.locations_by_id[12] = self.lighthouse_location
        self.locations_by_id[13] = self.beach_location
        self.location_collection = LocationCollection(self.locations_by_id)

    def setup_items(self):
        self.book = Item(1105, 0x2,
                         Labels("book", "a book", "a book of fairytales"), 2,
                         "The Pied Piper", {}, None)
        lamp_list_templates = {ListTemplateType.DEFAULT, "{0} (currently {1})"}
        lamp_switching_info = SwitchInfo(Item.ATTRIBUTE_GIVES_LIGHT, "off",
                                         "on")
        self.lamp = SwitchableItem(1043, 0x100A,
                                   Labels("lamp", "a lamp",
                                          "a small lamp"), 3, None,
                                   lamp_list_templates, lamp_switching_info)
        suit_list_templates = {ListTemplateType.USING, "(wearing) {0}"}
        self.suit = UsableItem(1046, 0x402,
                               Labels("suit", "a suit",
                                      "a space-suit"), 2, None,
                               suit_list_templates, Item.ATTRIBUTE_GIVES_AIR)
        self.basket = ContainerItem(
            1107, 0x3, Labels("basket", "a basket", "a large basket"), 8, None,
            {})
        self.desk = Item(1000, 0x20000,
                         Labels("desk", "a desk", "a large mahogany desk"), 6,
                         None, {})
        self.desk.add_container(self.lighthouse_location)
        self.wolf = Item(1080, 0x80006,
                         Labels("wolf", "a wolf", "a vicious wolf"), 4, None,
                         {}, None)
        self.wolf.add_container(self.lighthouse_location)
        self.items_by_id = {
            1105: self.book,
            1043: self.lamp,
            1046: self.suit,
            1107: self.basket,
            1000: self.desk,
            1080: self.wolf,
        }
        self.item_collection = ItemCollection({}, self.items_by_id)

    def test_validate_valid(self):
        validation = self.validator.validate(self.data_collection)

        self.assertFalse(validation)

    def test_validate_command_teleport_no_teleport_info(self):
        self.commands_by_id.clear()
        self.commands_by_id[51] = Command(51, 0x2, [], [], ["teleport"], {})

        validation = self.validator.validate(self.data_collection)

        self.assertEqual(1, len(validation))
        validation_line = validation[0]
        self.assertEqual(
            "Command {0} \"{1}\" is a teleport command, but no teleport info has been given. No teleports will be possible.",
            validation_line.template)
        self.assertEqual(Severity.WARN, validation_line.severity)
        self.assertEqual((51, "teleport"), validation_line.args)

    def test_validate_command_non_teleport_with_teleport_info(self):
        self.commands_by_id.clear()
        take_command = Command(56, 0x0, [], [], ["take", "t"], {})
        self.commands_by_id[56] = take_command
        take_command.teleport_info[6] = self.lighthouse_location

        validation = self.validator.validate(self.data_collection)

        self.assertEqual(1, len(validation))
        validation_line = validation[0]
        self.assertEqual(
            "Command {0} \"{1}\" is not a teleport command, but teleport info has been given. This teleport info will be ignored.",
            validation_line.template)
        self.assertEqual(Severity.WARN, validation_line.severity)
        self.assertEqual((56, "take"), validation_line.args)

    def test_validate_command_switchable_no_switch_info(self):
        self.commands_by_id.clear()
        self.commands_by_id[63] = Command(63, 0x100, [], [], ["verbose"], {})

        validation = self.validator.validate(self.data_collection)

        self.assertEqual(1, len(validation))
        validation_line = validation[0]
        self.assertEqual(
            "Command {0} \"{1}\" is a switchable command, but no switch info has been given.",
            validation_line.template)
        self.assertEqual(Severity.WARN, validation_line.severity)
        self.assertEqual((63, "verbose"), validation_line.args)

    def test_validate_command_non_switchable_with_switch_info(self):
        self.commands_by_id.clear()
        switch_info = {"off": False, "on": True}
        self.commands_by_id[56] = Command(56, 0x0, [], [], ["take", "t"],
                                          switch_info)

        validation = self.validator.validate(self.data_collection)

        self.assertEqual(1, len(validation))
        validation_line = validation[0]
        self.assertEqual(
            "Command {0} \"{1}\" is not a switchable command, but switch info has been given. This switch info will be ignored.",
            validation_line.template)
        self.assertEqual(Severity.WARN, validation_line.severity)
        self.assertEqual((56, "take"), validation_line.args)

    def test_validate_command_multiple_smash(self):
        self.smash_command_ids.append(17)
        self.smash_command_ids.append(81)

        validation = self.validator.validate(self.data_collection)

        self.assertEqual(1, len(validation))
        validation_line = validation[0]
        self.assertEqual(
            "Multiple commands specified with the handler \"smash\". This is not supported.",
            validation_line.template)
        self.assertEqual(Severity.ERROR, validation_line.severity)
        self.assertEqual((), validation_line.args)

    def test_validate_inventory_no_inventories(self):
        self.inventories_by_id.clear()

        validation = self.validator.validate(self.data_collection)

        self.assertEqual(1, len(validation))
        validation_line = validation[0]
        self.assertEqual(
            "No inventories specified. At least one inventory must be given.",
            validation_line.template)
        self.assertEqual(Severity.ERROR, validation_line.severity)
        self.assertEqual((), validation_line.args)

    def test_validate_inventory_no_default(self):
        self.inventories_by_id.clear()
        self.inventories_by_id[1] = Inventory(
            1, 0x0,
            Labels("Special Inventory", "in the special inventory",
                   ", where items live sometimes."), 3, [12])

        validation = self.validator.validate(self.data_collection)

        self.assertEqual(1, len(self.inventories_by_id))
        self.assertEqual(1, len(validation))
        validation_line = validation[0]
        self.assertEqual(
            "No default inventory found. Exactly one inventory must be marked as default.",
            validation_line.template)
        self.assertEqual(Severity.ERROR, validation_line.severity)
        self.assertEqual((), validation_line.args)

    def test_validate_inventory_multiple_defaults(self):
        self.inventories_by_id[1] = Inventory(
            1, 0x1,
            Labels("Special Inventory", "in the special inventory",
                   ", where items live sometimes."), 3)

        validation = self.validator.validate(self.data_collection)

        self.assertEqual(2, len(self.inventories_by_id))
        self.assertEqual(1, len(validation))
        validation_line = validation[0]
        self.assertEqual(
            "Multiple default inventories found ({0}). Exactly one inventory must be marked as default.",
            validation_line.template)
        self.assertEqual(Severity.ERROR, validation_line.severity)
        self.assertEqual(([0, 1], ), validation_line.args)

    def test_validate_inventory_default_with_locations(self):
        self.inventories_by_id.clear()
        self.inventories_by_id[1] = Inventory(
            0, 0x1,
            Labels("Main Inventory", "in the main inventory",
                   ", where items live usually."), 3, [12])

        validation = self.validator.validate(self.data_collection)

        self.assertEqual(1, len(self.inventories_by_id))
        self.assertEqual(1, len(validation))
        validation_line = validation[0]
        self.assertEqual(
            "Default inventory {0} \"{1}\" has location ids specified. This is redundant.",
            validation_line.template)
        self.assertEqual(Severity.WARN, validation_line.severity)
        self.assertEqual((0, "Main Inventory"), validation_line.args)

    def test_validate_inventory_non_default_no_locations(self):
        self.inventories_by_id[1] = Inventory(
            1, 0x0,
            Labels("Special Inventory", "in the special inventory",
                   ", where items live sometimes."), 3)

        validation = self.validator.validate(self.data_collection)

        self.assertEqual(2, len(self.inventories_by_id))
        self.assertEqual(1, len(validation))
        validation_line = validation[0]
        self.assertEqual(
            "Non-default inventory {0} \"{1}\" has no location ids specified. It will not be used anywhere.",
            validation_line.template)
        self.assertEqual(Severity.WARN, validation_line.severity)
        self.assertEqual((1, "Special Inventory"), validation_line.args)

    def test_validate_inventory_non_default_unknown_location(self):
        self.inventories_by_id[1] = Inventory(
            1, 0x0,
            Labels("Special Inventory", "in the special inventory",
                   ", where items live sometimes."), 3, [888])

        validation = self.validator.validate(self.data_collection)

        self.assertEqual(2, len(self.inventories_by_id))
        self.assertEqual(1, len(validation))
        validation_line = validation[0]
        self.assertEqual(
            "Non-default inventory {0} \"{1}\" references location with id {2}, but this does not reference a valid location.",
            validation_line.template)
        self.assertEqual(Severity.ERROR, validation_line.severity)
        self.assertEqual((1, "Special Inventory", 888), validation_line.args)

    def test_validate_inventory_non_default_duplicate_location(self):
        self.inventories_by_id[1] = Inventory(
            1, 0x0,
            Labels("Special Inventory", "in the special inventory",
                   ", where items live sometimes."), 3, [12, 12])

        validation = self.validator.validate(self.data_collection)

        self.assertEqual(2, len(self.inventories_by_id))
        self.assertEqual(1, len(validation))
        validation_line = validation[0]
        self.assertEqual(
            "Non-default inventory {0} \"{1}\" references location with id {2} multiple times.",
            validation_line.template)
        self.assertEqual(Severity.WARN, validation_line.severity)
        self.assertEqual((1, "Special Inventory", 12), validation_line.args)

    def test_validate_inventory_non_default_shared_location(self):
        self.inventories_by_id[1] = Inventory(
            1, 0x0,
            Labels("Special Inventory", "in the special inventory",
                   ", where items live sometimes."), 3, [12])
        self.inventories_by_id[2] = Inventory(
            2, 0x0,
            Labels("Occasional Inventory", "in the occasional inventory",
                   ", where items live occasionally."), 3, [12])

        validation = self.validator.validate(self.data_collection)

        self.assertEqual(3, len(self.inventories_by_id))
        self.assertEqual(1, len(validation))
        validation_line = validation[0]
        self.assertEqual(
            "Non-default inventory {0} \"{1}\" references location with id {2}, but this location is referenced by at least one other inventory.",
            validation_line.template)
        self.assertEqual(Severity.ERROR, validation_line.severity)
        self.assertEqual((2, "Occasional Inventory", 12), validation_line.args)

    def test_validate_location_no_floor_no_down(self):
        self.locations_by_id[17] = Location(
            17, 0x50F,
            Labels("Precipice", "on a precipice", ", high in the air"))

        validation = self.validator.validate(self.data_collection)

        self.assertEqual(1, len(validation))
        validation_line = validation[0]
        self.assertEqual(
            "Location {0} has no floor, but does not specify a link in direction {1}.",
            validation_line.template)
        self.assertEqual(Severity.ERROR, validation_line.severity)
        self.assertEqual((17, "DOWN"), validation_line.args)

    def test_validate_location_no_land_no_floor(self):
        mid_air_location = Location(
            19, 0x10F,
            Labels("Mid-air", "in mid-air", "; you are not sure how high"))
        mid_air_location.directions[Direction.DOWN] = self.lighthouse_location
        self.locations_by_id[19] = mid_air_location

        validation = self.validator.validate(self.data_collection)

        self.assertEqual(1, len(validation))
        validation_line = validation[0]
        self.assertEqual(
            "Location {0} has no land, but also no floor. Locations without land must have a floor.",
            validation_line.template)
        self.assertEqual(Severity.ERROR, validation_line.severity)
        self.assertEqual((19, ), validation_line.args)

    def test_validate_item_below_min_size_zero(self):
        self.items_by_id[1111] = Item(
            1111, 0x2, Labels("pebble", "a pebble", "a small pebble"), 0, None,
            {}, None)

        validation = self.validator.validate(self.data_collection)

        self.assertEqual(1, len(validation))
        validation_line = validation[0]
        self.assertEqual(
            "Item {0} \"{1}\" has a size of {2}. The minimum possible is {3}.",
            validation_line.template)
        self.assertEqual(Severity.ERROR, validation_line.severity)
        self.assertEqual((1111, "pebble", 0, 1), validation_line.args)

    def test_validate_item_below_min_size_negative(self):
        self.items_by_id[1111] = Item(
            1111, 0x2, Labels("pebble", "a pebble", "a small pebble"), -6,
            None, {}, None)

        validation = self.validator.validate(self.data_collection)

        self.assertEqual(1, len(validation))
        validation_line = validation[0]
        self.assertEqual(
            "Item {0} \"{1}\" has a size of {2}. The minimum possible is {3}.",
            validation_line.template)
        self.assertEqual(Severity.ERROR, validation_line.severity)
        self.assertEqual((1111, "pebble", -6, 1), validation_line.args)

    def test_validate_item_container_below_min_size(self):
        self.items_by_id[1111] = ContainerItem(
            1111, 0x3, Labels("locket", "a locket", "a small locket"), 1, None,
            {})

        validation = self.validator.validate(self.data_collection)

        self.assertEqual(1, len(validation))
        validation_line = validation[0]
        self.assertEqual(
            "Container item {0} \"{1}\" has a size of only {2}. As the minimum item size is {3}, nothing will be able to fit in it.",
            validation_line.template)
        self.assertEqual(Severity.WARN, validation_line.severity)
        self.assertEqual((1111, "locket", 1, 1), validation_line.args)

    def test_validate_item_container_shared(self):
        self.book.add_container(self.basket)
        self.lamp.add_container(self.basket)

        validation = self.validator.validate(self.data_collection)

        self.assertEqual(1, len(validation))
        validation_line = validation[0]
        self.assertEqual(
            "Container item {0} \"{1}\" contains multiple items. This is not supported.",
            validation_line.template)
        self.assertEqual(Severity.ERROR, validation_line.severity)
        self.assertEqual((1107, "basket"), validation_line.args)

    def test_validate_item_container_too_small_equal(self):
        locket = ContainerItem(1111, 0x3,
                               Labels("locket", "a locket", "a small locket"),
                               2, None, {})
        self.items_by_id[1111] = locket
        self.book.add_container(locket)

        validation = self.validator.validate(self.data_collection)

        self.assertEqual(1, len(validation))
        validation_line = validation[0]
        self.assertEqual(
            "Item {0} \"{1}\" with size {2} is contained in {3} \"{4}\" with size {5}. A container must be strictly greater in size than the item it contains.",
            validation_line.template)
        self.assertEqual(Severity.ERROR, validation_line.severity)
        self.assertEqual((1105, "book", 2, 1111, "locket", 2),
                         validation_line.args)

    def test_validate_item_container_too_small_smaller(self):
        locket = ContainerItem(1111, 0x3,
                               Labels("locket", "a locket", "a small locket"),
                               2, None, {})
        self.items_by_id[1111] = locket
        self.lamp.add_container(locket)

        validation = self.validator.validate(self.data_collection)

        self.assertEqual(1, len(validation))
        validation_line = validation[0]
        self.assertEqual(
            "Item {0} \"{1}\" with size {2} is contained in {3} \"{4}\" with size {5}. A container must be strictly greater in size than the item it contains.",
            validation_line.template)
        self.assertEqual(Severity.ERROR, validation_line.severity)
        self.assertEqual((1043, "lamp", 3, 1111, "locket", 2),
                         validation_line.args)

    def test_validate_item_liquid_container_not_liquid(self):
        water = Item(1111, 0x22902, Labels("water", "some water",
                                           "some water"), 1, None, {})
        water.add_container(self.basket)
        self.items_by_id[1111] = water

        validation = self.validator.validate(self.data_collection)

        self.assertEqual(1, len(validation))
        validation_line = validation[0]
        self.assertEqual(
            "Item {0} \"{1}\" is a liquid, but has container {2} \"{3}\", which is not a liquid container.",
            validation_line.template)
        self.assertEqual(Severity.ERROR, validation_line.severity)
        self.assertEqual((1111, "water", 1107, "basket"), validation_line.args)

    def test_validate_item_non_liquid_container_liquid(self):
        bottle = ContainerItem(
            1111, 0x203, Labels("bottle", "a bottle", "a small glass bottle"),
            3, None, {})
        self.book.add_container(bottle)
        self.items_by_id[1111] = bottle

        validation = self.validator.validate(self.data_collection)

        self.assertEqual(1, len(validation))
        validation_line = validation[0]
        self.assertEqual(
            "Item {0} \"{1}\" is non-liquid, but has container {2} \"{3}\", which is a liquid container.",
            validation_line.template)
        self.assertEqual(Severity.ERROR, validation_line.severity)
        self.assertEqual((1105, "book", 1111, "bottle"), validation_line.args)

    def test_validate_item_liquid_non_copyable_container_location(self):
        water = Item(1111, 0x2102, Labels("water", "some water", "some water"),
                     1, None, {})
        water.add_container(self.lighthouse_location)
        self.items_by_id[1111] = water

        validation = self.validator.validate(self.data_collection)

        self.assertEqual(1, len(validation))
        validation_line = validation[0]
        self.assertEqual(
            "Item {0} \"{1}\" is a liquid, and has location container {2} \"{3}\". Liquids may only be contained at locations if they are copyable.",
            validation_line.template)
        self.assertEqual(Severity.ERROR, validation_line.severity)
        self.assertEqual((1111, "water", 12, "Lighthouse"),
                         validation_line.args)

    def test_validate_item_switchable_no_list_templates(self):
        button_switching_info = SwitchInfo(Item.ATTRIBUTE_GIVES_LIGHT, "up",
                                           "down")
        self.items_by_id[1044] = SwitchableItem(
            1044, 0x8,
            Labels("button", "a button", "a red button",
                   [". It is dark", ". It is glowing"]), 2, None, {},
            button_switching_info)

        validation = self.validator.validate(self.data_collection)

        self.assertEqual(1, len(validation))
        validation_line = validation[0]
        self.assertEqual(
            "Missing or incomplete list templates found for switchable item {0} \"{1}\". While not mandatory, this will lead to incomplete descriptions of this item when listed. Switchable items should specify either \"default\" or both \"location\" and \"carrying\" list templates.",
            validation_line.template)
        self.assertEqual(Severity.WARN, validation_line.severity)
        self.assertEqual((1044, "button"), validation_line.args)

    def test_validate_item_switchable_incomplete_list_templates(self):
        button_list_templates = {
            ListTemplateType.LOCATION, "{0} (currently {1})"
        }
        button_switching_info = SwitchInfo(Item.ATTRIBUTE_GIVES_LIGHT, "up",
                                           "down")
        self.items_by_id[1044] = SwitchableItem(
            1044, 0x8,
            Labels("button", "a button", "a red button",
                   [". It is dark", ". It is glowing"]), 2, None,
            button_list_templates, button_switching_info)

        validation = self.validator.validate(self.data_collection)

        self.assertEqual(1, len(validation))
        validation_line = validation[0]
        self.assertEqual(
            "Missing or incomplete list templates found for switchable item {0} \"{1}\". While not mandatory, this will lead to incomplete descriptions of this item when listed. Switchable items should specify either \"default\" or both \"location\" and \"carrying\" list templates.",
            validation_line.template)
        self.assertEqual(Severity.WARN, validation_line.severity)
        self.assertEqual((1044, "button"), validation_line.args)

    def test_validate_item_usable_no_list_template_using(self):
        self.items_by_id[1118] = UsableItem(
            1118, 0x10002, Labels("raft", "a raft", "a rickety raft"), 6, None,
            {}, Item.ATTRIBUTE_GIVES_LAND)

        validation = self.validator.validate(self.data_collection)

        self.assertEqual(1, len(validation))
        validation_line = validation[0]
        self.assertEqual(
            "Mandatory list template \"using\" not found for usable item {0} \"{1}\".",
            validation_line.template)
        self.assertEqual(Severity.ERROR, validation_line.severity)
        self.assertEqual((1118, "raft"), validation_line.args)

    def test_validate_item_non_usable_with_list_template_using(self):
        kohlrabi_list_templates = {ListTemplateType.USING, "(using) {0}"}
        self.items_by_id[1042] = Item(
            1042, 0x2002,
            Labels("kohlrabi", "some kohlrabi",
                   "some kohlrabi, a cabbage cultivar"), 3, None,
            kohlrabi_list_templates)

        validation = self.validator.validate(self.data_collection)

        self.assertEqual(1, len(validation))
        validation_line = validation[0]
        self.assertEqual(
            "Invalid list template \"using\" found for item {0} \"{1}\". This field is only valid for usable items and will be ignored here.",
            validation_line.template)
        self.assertEqual(Severity.WARN, validation_line.severity)
        self.assertEqual((1042, "kohlrabi"), validation_line.args)

    def test_validate_item_non_mobile_non_location_container(self):
        self.desk.add_container(self.basket)

        validation = self.validator.validate(self.data_collection)

        self.assertEqual(1, len(validation))
        validation_line = validation[0]
        self.assertEqual(
            "Non-mobile item {0} \"{1}\" has at least one parent container that is not a location.",
            validation_line.template)
        self.assertEqual(Severity.ERROR, validation_line.severity)
        self.assertEqual((1000, "desk"), validation_line.args)

    def test_validate_item_non_mobile_sailable(self):
        self.items_by_id[1118] = UsableItem(
            1118, 0x10000, Labels("raft", "a raft", "a rickety raft"), 6, None,
            {ListTemplateType.USING, "(sailing) {0}"},
            Item.ATTRIBUTE_GIVES_LAND)

        validation = self.validator.validate(self.data_collection)

        self.assertEqual(1, len(validation))
        validation_line = validation[0]
        self.assertEqual(
            "Item {0} \"{1}\" is marked as both non-mobile and sailable.",
            validation_line.template)
        self.assertEqual(Severity.ERROR, validation_line.severity)
        self.assertEqual((1118, "raft"), validation_line.args)

    def test_validate_item_non_mobile_wearable(self):
        self.items_by_id[1046] = UsableItem(
            1046, 0x400, Labels("suit", "a suit", "a space-suit"), 2, None,
            {ListTemplateType.USING, "(wearing) {0}"},
            Item.ATTRIBUTE_GIVES_AIR)

        validation = self.validator.validate(self.data_collection)

        self.assertEqual(1, len(validation))
        validation_line = validation[0]
        self.assertEqual(
            "Item {0} \"{1}\" is marked as both non-mobile and wearable.",
            validation_line.template)
        self.assertEqual(Severity.ERROR, validation_line.severity)
        self.assertEqual((1046, "suit"), validation_line.args)

    def test_validate_item_obstruction_multiple_containers(self):
        self.wolf.add_container(self.beach_location)

        validation = self.validator.validate(self.data_collection)

        self.assertEqual(1, len(validation))
        validation_line = validation[0]
        self.assertEqual(
            "Obstruction item {0} \"{1}\" has multiple containers.",
            validation_line.template)
        self.assertEqual(Severity.ERROR, validation_line.severity)
        self.assertEqual((1080, "wolf"), validation_line.args)

    def test_validate_item_obstruction_non_location_container(self):
        self.items_by_id[1111] = Item(
            1111, 0x80006, Labels("lion", "a lion", "a ferocious lioness"), 4,
            None, {}, None)
        self.items_by_id[1111].add_container(self.basket)

        validation = self.validator.validate(self.data_collection)

        self.assertEqual(1, len(validation))
        validation_line = validation[0]
        self.assertEqual(
            "Obstruction item {0} \"{1}\" has a parent container that is not a location.",
            validation_line.template)
        self.assertEqual(Severity.ERROR, validation_line.severity)
        self.assertEqual((1111, "lion"), validation_line.args)

    def test_validate_item_usable_liquid(self):
        self.items_by_id[1118] = UsableItem(
            1118, 0x10102, Labels("raft", "a raft", "a rickety raft"), 6, None,
            {ListTemplateType.USING, "(sailing) {0}"},
            Item.ATTRIBUTE_GIVES_LAND)

        validation = self.validator.validate(self.data_collection)

        self.assertEqual(1, len(validation))
        validation_line = validation[0]
        self.assertEqual("Usable item {0} \"{1}\" is marked as liquid.",
                         validation_line.template)
        self.assertEqual(Severity.ERROR, validation_line.severity)
        self.assertEqual((1118, "raft"), validation_line.args)

    def test_validate_item_wearable_sailable(self):
        self.items_by_id[1118] = UsableItem(
            1118, 0x10402, Labels("raft", "a raft", "a rickety raft"), 6, None,
            {ListTemplateType.USING, "(sailing) {0}"},
            Item.ATTRIBUTE_GIVES_LAND)

        validation = self.validator.validate(self.data_collection)

        self.assertEqual(1, len(validation))
        validation_line = validation[0]
        self.assertEqual(
            "Usable item {0} \"{1}\" is marked as both wearable and sailable.",
            validation_line.template)
        self.assertEqual(Severity.ERROR, validation_line.severity)
        self.assertEqual((1118, "raft"), validation_line.args)

    def test_validate_item_copyable_non_liquid(self):
        self.items_by_id[1042] = Item(
            1042, 0x2802,
            Labels("kohlrabi", "some kohlrabi",
                   "some kohlrabi, a cabbage cultivar"), 3, None, {})

        validation = self.validator.validate(self.data_collection)

        self.assertEqual(1, len(validation))
        validation_line = validation[0]
        self.assertEqual(
            "Item {0} \"{1}\" has been specified as both copyable and non-liquid. This is not supported.",
            validation_line.template)
        self.assertEqual(Severity.ERROR, validation_line.severity)
        self.assertEqual((1042, "kohlrabi"), validation_line.args)

    def test_validate_item_fragile_no_smash_command(self):
        self.items_by_id[1017] = Item(
            1017, 0xC203, Labels("vial", "a vial", "a small glass vial"), 2,
            None, {}, None)

        validation = self.validator.validate(self.data_collection)

        self.assertEqual(1, len(validation))
        validation_line = validation[0]
        self.assertEqual(
            "Fragile item(s) found, but no command specified with the handler \"smash\".",
            validation_line.template)
        self.assertEqual(Severity.ERROR, validation_line.severity)
        self.assertEqual((), validation_line.args)

    def test_validate_item_fragile_no_smash_transformation(self):
        self.smash_command_ids.append(37)
        self.items_by_id[1017] = Item(
            1017, 0xC203, Labels("vial", "a vial", "a small glass vial"), 2,
            None, {}, None)

        validation = self.validator.validate(self.data_collection)

        self.assertEqual(1, len(validation))
        validation_line = validation[0]
        self.assertEqual(
            "Item {0} \"{1}\" is fragile, but does not have a \"smash\" command replacement.",
            validation_line.template)
        self.assertEqual(Severity.ERROR, validation_line.severity)
        self.assertEqual((1017, "vial"), validation_line.args)