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https://github.com/Ukendio/jecs.git
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97 lines
1.8 KiB
Text
Executable file
97 lines
1.8 KiB
Text
Executable file
local jecs = require("@jecs")
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local testkit = require("@testkit")
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local test = testkit.test()
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local CASE, TEST, FINISH, CHECK = test.CASE, test.TEST, test.FINISH, test.CHECK
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local ob = require("@addons/ob")
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TEST("addons/observers", function()
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local world = jecs.world()
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do CASE "Ensure ordering between signals and observers"
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local A = world:component()
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local B = world:component()
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local count = 1
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local function counter()
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count += 1
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end
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ob.observer(world:query(A, B), counter)
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world:added(A, counter)
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world:added(A, counter)
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for _ in world:query(A) do
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end
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local e = world:entity()
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world:add(e, A)
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CHECK(count == 3)
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world:add(e, B)
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CHECK(count == 4)
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end
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do CASE "Rematch entities in observers"
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local A = world:component()
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local count = 1
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local function counter()
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count += 1
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end
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ob.observer(world:query(A), counter)
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local e = world:entity()
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world:set(e, A, false)
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CHECK(count == 2)
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world:remove(e, A)
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CHECK(count == 2)
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world:set(e, A, false)
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CHECK(count == 3)
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world:set(e, A, false)
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CHECK(count == 4)
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end
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do CASE "Don't report changed components in monitor"
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local A = world:component()
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local count = 1
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local function counter()
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count += 1
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end
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ob.monitor(world:query(A), counter)
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local e = world:entity()
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world:set(e, A, false)
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CHECK(count == 2)
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world:remove(e, A)
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CHECK(count == 3)
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world:set(e, A, false)
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CHECK(count == 4)
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world:set(e, A, false)
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CHECK(count == 4)
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end
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do CASE "Call off pairs"
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local A = world:component()
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local callcount = 1
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world:added(A, function(entity)
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callcount += 1
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end)
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world:added(A, function(entity)
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callcount += 1
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end)
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local e = world:entity()
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local e2 = world:entity()
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world:add(e2, jecs.pair(A, e))
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world:add(e, jecs.pair(A, e2))
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CHECK(callcount == 1 + 2 * 2)
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end
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end)
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return FINISH()
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