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https://github.com/Ukendio/jecs.git
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114 lines
2.2 KiB
Text
Executable file
114 lines
2.2 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 FOCUS = test.FOCUS
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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 "monitors should accept pairs"
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local A = world:component()
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local B = world:component()
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local c = 1
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ob.monitor(world:query(jecs.pair(A, B)), function (_, event)
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c += 1
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end)
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local child = world:entity()
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world:add(child, jecs.pair(A, B))
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CHECK(c == 2)
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world:remove(child, jecs.pair(A, B))
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CHECK(c == 3)
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end
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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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