mirror of
https://github.com/Ukendio/jecs.git
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119 lines
2.2 KiB
Text
119 lines
2.2 KiB
Text
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 observers_add = require("@addons/observers")
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TEST("addons/observers", function()
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local world = observers_add(jecs.world())
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do CASE "Should not override hook"
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local A = world:component()
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local count = 0
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local function counter()
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count += 1
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end
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world:set(A, jecs.OnAdd, counter)
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world:set(world:entity(), A, true)
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CHECK(count == 1)
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world:added(A, counter)
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world:set(world:entity(), A, true)
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CHECK(count == 3)
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print(count)
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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 = 0
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local function counter()
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count += 1
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end
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world:observer({
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callback = counter,
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query = world:query(A, B),
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})
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world:added(A, counter)
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world:added(A, counter)
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local e = world:entity()
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world:add(e, A)
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CHECK(count == 2)
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world:add(e, B)
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CHECK(count == 3)
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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 = 0
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local function counter()
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count += 1
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end
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world:observer({
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query = world:query(A),
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callback = counter
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})
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local e = world:entity()
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world:set(e, A, true)
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CHECK(count == 1)
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world:remove(e, A)
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CHECK(count == 1)
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world:set(e, A, true)
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CHECK(count == 2)
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world:set(e, A, true)
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CHECK(count == 3)
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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 = 0
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local function counter()
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count += 1
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end
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world:monitor({
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query = world:query(A),
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callback = counter
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})
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local e = world:entity()
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world:set(e, A, true)
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CHECK(count == 1)
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world:remove(e, A)
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CHECK(count == 2)
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world:set(e, A, true)
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CHECK(count == 3)
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world:set(e, A, true)
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CHECK(count == 3)
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end
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do CASE "Call on pairs"
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local A = world:component()
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local callcount = 0
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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 e1 = world:entity()
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world:add(e1, jecs.pair(A, e))
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world:add(e, jecs.pair(A, e1))
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CHECK(callcount == 4)
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end
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end)
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return FINISH()
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