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131 lines
3.5 KiB
Lua
131 lines
3.5 KiB
Lua
-- Tests of generic and specific metadata functionality
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local compare_meta = ItemStack("unittests:iron_lump"):get_meta()
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compare_meta:from_table({
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fields = {
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a = "1",
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b = "2",
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c = "3",
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d = "4",
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e = "e",
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["0.3"] = "0.29999999999999999",
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["0.1+0.2"] = "0.30000000000000004",
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},
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})
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local function test_metadata(meta)
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meta:from_table({fields = {a = 2, b = "2"}})
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meta:set_string("a", 1)
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meta:set_string("c", "3")
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meta:set_int("d", 4)
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meta:set_string("e", "e")
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meta:set_string("", "!")
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meta:set_string("", "")
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meta:set_float("0.3", 0.3)
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meta:set_float("0.1+0.2", 0.1 + 0.2)
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assert(meta:equals(compare_meta))
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local tab = meta:to_table()
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assert(tab.fields.a == "1")
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assert(tab.fields.b == "2")
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assert(tab.fields.c == "3")
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assert(tab.fields.d == "4")
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assert(tab.fields.e == "e")
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assert(tab.fields["0.3"] == "0.29999999999999999")
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assert(tab.fields["0.1+0.2"] == "0.30000000000000004")
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local keys = meta:get_keys()
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assert(table.indexof(keys, "a") > 0)
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assert(table.indexof(keys, "b") > 0)
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assert(table.indexof(keys, "c") > 0)
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assert(table.indexof(keys, "d") > 0)
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assert(table.indexof(keys, "e") > 0)
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assert(#keys == 7)
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assert(not meta:contains(""))
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assert(meta:contains("a"))
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assert(meta:contains("b"))
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assert(meta:contains("c"))
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assert(meta:contains("d"))
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assert(meta:contains("e"))
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assert(meta:get("") == nil)
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assert(meta:get_string("") == "")
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assert(meta:get_int("") == 0)
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assert(meta:get_float("") == 0.0)
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assert(meta:get("a") == "1")
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assert(meta:get_string("a") == "1")
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assert(meta:get_int("a") == 1)
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assert(meta:get_float("a") == 1.0)
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assert(meta:get_int("e") == 0)
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assert(meta:get_float("e") == 0.0)
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assert(meta:get_float("0.3") == 0.3)
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assert(meta:get_float("0.1+0.2") == 0.1 + 0.2)
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meta:set_float("f", 1.1)
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meta:set_string("g", "${f}")
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meta:set_string("h", "${g}")
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meta:set_string("i", "${h}")
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assert(meta:get_float("h") > 1)
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assert(meta:get_string("i") == "${f}")
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meta:set_float("j", 1.23456789)
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assert(meta:get_float("j") == 1.23456789)
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meta:set_float("j", -1 / 0)
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assert(meta:get_float("j") == -1 / 0)
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meta:set_float("j", 0 / 0)
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assert(core.is_nan(meta:get_float("j")))
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meta:from_table()
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assert(next(meta:to_table().fields) == nil)
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assert(#meta:get_keys() == 0)
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assert(not meta:equals(compare_meta))
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end
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local function test_metadata_compat(meta)
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-- key/value removal using set_string (undocumented, deprecated way)
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meta:set_string("key", "value")
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assert(meta:get_string("key") == "value")
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meta:set_string("key", nil) -- ignore warning
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assert(meta:to_table().fields["key"] == nil)
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-- undocumented but supported consequence of Lua's
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-- automatic string <--> number cast
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meta:set_string("key", 2)
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assert(meta:get_string("key") == "2")
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-- from_table with non-string keys (supported)
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local values = meta:to_table()
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values.fields["new"] = 420
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meta:from_table(values)
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assert(meta:get_int("new") == 420)
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values.fields["new"] = nil
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meta:from_table(values)
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assert(meta:get("new") == nil)
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end
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local storage_a = core.get_mod_storage()
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local storage_b = core.get_mod_storage()
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local function test_mod_storage()
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assert(rawequal(storage_a, storage_b))
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test_metadata(storage_a)
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end
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unittests.register("test_mod_storage", test_mod_storage)
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local function test_item_metadata()
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local meta = ItemStack("unittest:coal_lump"):get_meta()
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test_metadata(meta)
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test_metadata_compat(meta)
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end
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unittests.register("test_item_metadata", test_item_metadata)
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local function test_node_metadata(player, pos)
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test_metadata(core.get_meta(pos))
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end
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unittests.register("test_node_metadata", test_node_metadata, {map=true})
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