jecs/tests/test1.lua

88 lines
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2 KiB
Lua

local testkit = require("../testkit")
local jecs = require("../lib/init")
local TEST, CASE, CHECK, FINISH, SKIP = testkit.test()
local N = 10
TEST("world:query", function()
do CASE "should query all matching entities"
local world = jecs.World.new()
local A = world:component()
local B = world:component()
local entities = {}
for i = 1, N do
local id = world:entity()
world:set(id, A, true)
if i > 5 then world:set(id, B, true) end
entities[i] = id
end
for id in world:query(A) do
table.remove(entities, CHECK(table.find(entities, id)))
end
CHECK(#entities == 0)
end
do CASE "should query all matching entities when irrelevant component is removed"
local world = jecs.World.new()
local A = world:component()
local B = world:component()
local entities = {}
for i = 1, N do
local id = world:entity()
world:set(id, A, true)
world:set(id, B, true)
if i > 5 then world:remove(id, B, true) end
entities[i] = id
end
local added = 0
for id in world:query(A) do
added += 1
table.remove(entities, CHECK(table.find(entities, id)))
end
CHECK(added == N)
end
do CASE "should query all entities without B"
local world = jecs.World.new()
local A = world:component()
local B = world:component()
local entities = {}
for i = 1, N do
local id = world:entity()
world:set(id, A, true)
if i < 5 then
entities[i] = id
else
world:set(id, B, true)
end
end
for id in world:query(A):without(B) do
table.remove(entities, CHECK(table.find(entities, id)))
end
CHECK(#entities == 0)
end
end)
FINISH()