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Add back tests
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Ukendio
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320
lib/init.spec.lua
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320
lib/init.spec.lua
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local jecs = require(script.Parent)
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local world = jecs.World.new()
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local A, B, C, D = world:entity(), world:entity(), world:entity(), world:entity()
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local E, F, G, H = world:entity(), world:entity(), world:entity(), world:entity()
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print("A", A)
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print("B", B)
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print("C", C)
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print("D", D)
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print("E", E)
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print("F", F)
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print("G", G)
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print("H", H)
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local common = 0
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local N = 2^16-2
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local archetypes = {}
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local function flip()
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return math.random() >= 0.5
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end
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local amountOfCombination = 0
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for i = 1, N do
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local entity = world:entity()
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local combination = ""
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if flip() then
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combination ..= "2_"
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world:set(entity, B, { value = true})
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end
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if flip() then
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combination ..= "3_"
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world:set(entity, C, { value = true})
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end
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if flip() then
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combination ..= "4_"
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world:set(entity, D, { value = true})
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end
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if flip() then
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combination ..= "5_"
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world:set(entity, E, { value = true})
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end
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if flip() then
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combination ..= "6_"
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world:set(entity, F, { value = true})
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end
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if flip() then
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combination ..= "7_"
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world:set(entity, G, { value = true})
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end
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if flip() then
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combination ..= "8"
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world:set(entity, H, { value = true})
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end
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if #combination == 7 then
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combination = "1_" .. combination
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common += 1
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world:set(entity, A, { value = true})
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end
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if combination:find("2")
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and combination:find("3")
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and combination:find("4")
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and combination:find("6")
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then
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amountOfCombination += 1
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end
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archetypes[combination] = true
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end
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return function()
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describe("World", function()
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it("should add component", function()
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local id = world:entity()
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world:set(id, A, true)
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world:set(id, B, 1)
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local id1 = world:entity()
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world:set(id1, A, "hello")
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expect(world:get(id, A)).to.equal(true)
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expect(world:get(id, B)).to.equal(1)
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expect(world:get(id1, A)).to.equal("hello")
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end)
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it("should remove component", function()
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local Tag = world:entity()
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local entities = {}
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for i = 1, 10 do
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local entity = world:entity()
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entities[i] = entity
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world:set(entity, Tag)
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end
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for i = 1, 10 do
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local entity = entities[i]
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expect(world:get(entity, Tag)).to.equal(nil)
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world:remove(entity, Tag)
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end
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end)
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it("should override component data", function()
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local id = world:entity()
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world:set(id, A, true)
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expect(world:get(id, A)).to.equal(true)
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world:set(id, A, false)
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expect(world:get(id, A)).to.equal(false)
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end)
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it("should not query a removed component", function()
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local Tag = world:entity()
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local AnotherTag = world:entity()
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local entity = world:entity()
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world:set(entity, Tag)
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world:set(entity, AnotherTag)
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world:remove(entity, AnotherTag)
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local added = 0
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for e, t, a in world:query(Tag, AnotherTag) do
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added += 1
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end
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expect(added).to.equal(0)
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end)
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it("should query correct number of compatible archetypes", function()
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local added = 0
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for _ in world:query(B, C, D, F) do
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added += 1
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end
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expect(added).to.equal(amountOfCombination)
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end)
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it("should not query poisoned players", function()
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local Player = world:entity()
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local Health = world:entity()
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local Poison = world:entity()
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local one = world:entity()
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world:set(one, Player, { name = "alice"})
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world:set(one, Health, 100)
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world:set(one, Poison)
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local two = world:entity()
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world:set(two, Player, { name = "bob"})
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world:set(two, Health, 90)
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local withoutCount = 0
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for _id, _player in world:query(Player):without(Poison) do
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withoutCount += 1
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end
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expect(withoutCount).to.equal(1)
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end)
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it("should allow calling world:entity before world:component", function()
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for _ = 1, 256 do
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world:entity()
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end
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expect(world:component()).to.be.ok()
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end)
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it("should skip iteration", function()
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local Position, Velocity = world:entity(), world:entity()
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local e = world:entity()
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world:set(e, Position, Vector3.zero)
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world:set(e, Velocity, Vector3.one)
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local added = 0
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for i in world:query(Position):without(Velocity) do
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added += 1
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end
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expect(added).to.equal(0)
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end)
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it("should query all matching entities", function()
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local world = jecs.World.new()
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local A = world:component()
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local B = world:component()
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local entities = {}
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for i = 1, N do
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local id = world:entity()
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world:set(id, A, true)
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if i > 5 then world:set(id, B, true) end
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entities[i] = id
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end
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for id in world:query(A) do
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local i = table.find(entities, id)
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expect(i).to.be.ok()
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table.remove(entities, i)
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end
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expect(#entities).to.equal(0)
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end)
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it("should query all matching entities when irrelevant component is removed", function()
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local world = jecs.World.new()
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local A = world:component()
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local B = world:component()
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local entities = {}
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for i = 1, N do
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local id = world:entity()
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world:set(id, A, true)
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world:set(id, B, true)
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if i > 5 then world:remove(id, B, true) end
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entities[i] = id
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end
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local added = 0
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for id in world:query(A) do
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added += 1
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local i = table.find(entities, id)
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expect(i).to.be.ok()
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table.remove(entities, i)
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end
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expect(added).to.equal(N)
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end)
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it("should query all entities without B", function()
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local world = jecs.World.new()
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local A = world:component()
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local B = world:component()
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local entities = {}
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for i = 1, N do
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local id = world:entity()
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world:set(id, A, true)
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if i < 5 then
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entities[i] = id
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else
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world:set(id, B, true)
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end
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end
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for id in world:query(A):without(B) do
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local i = table.find(entities, id)
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expect(i).to.be.ok()
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table.remove(entities, i)
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end
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expect(#entities).to.equal(0)
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end)
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it("should allow setting components in arbitrary order", function()
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local world = jecs.World.new()
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local Health = world:entity()
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local Poison = world:component()
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local id = world:entity()
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world:set(id, Poison, 5)
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world:set(id, Health, 50)
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expect(world:get(id, Poison)).to.equal(5)
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end)
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it("Should allow deleting components", function()
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local world = jecs.World.new()
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local Health = world:entity()
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local Poison = world:component()
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local id = world:entity()
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world:set(id, Poison, 5)
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world:set(id, Health, 50)
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world:delete(id)
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expect(world:get(id, Poison)).to.never.be.ok()
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expect(world:get(id, Health)).to.never.be.ok()
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end)
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it("should allow iterating the whole world", function()
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local world = jecs.World.new()
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local A, B = world:entity(), world:entity()
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local eA = world:entity()
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world:set(eA, A, true)
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local eB = world:entity()
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world:set(eB, B, true)
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local eAB = world:entity()
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world:set(eAB, A, true)
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world:set(eAB, B, true)
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local count = 0
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for id, data in world do
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count += 1
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if id == eA then
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expect(data[A]).to.be.ok()
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expect(data[B]).to.never.be.ok()
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elseif id == eB then
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expect(data[B]).to.be.ok()
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expect(data[A]).to.never.be.ok()
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elseif id == eAB then
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expect(data[A]).to.be.ok()
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expect(data[B]).to.be.ok()
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else
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error("unknown entity", id)
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end
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end
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expect(count).to.equal(3)
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end)
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end)
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end
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