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fix recursive queue flush (#28)

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* fix recursive queue flush

* remove print from test

* swap order of flush

* simplified test case and remove error

* write more in-depth tests

* change approach flush_update_queue

* double diamond test case

* fix indent

* change naming of function

* subsequent updates do not batch test case

* simplify test case
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alicesaidhi 2024-08-20 13:44:56 +02:00 • committed by GitHub
parent b85419088c
commit fbe2f01bb9
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3 changed files with 219 additions and 16 deletions
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205
test/tests.luau
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@ -1842,6 +1842,7 @@ end))
TEST("batch()", wrap_root(function()
local source = vide.source
local derive = vide.derive
local effect = vide.effect
local batch = vide.batch
do CASE "evaluation deferred"
@ -1920,6 +1921,210 @@ TEST("batch()", wrap_root(function()
CHECK(b2() == 3)
CHECK(b3() == 4)
end
do CASE "subsequent updates do not batch"
local a = source(0)
local b = source(0)
local c = source(0)
local d_n = 0
effect(function()
b()
c()
d_n += 1
end)
effect(function()
b(a())
c(a())
end)
batch(function()
a(1)
end)
CHECK(d_n == 3)
end
do CASE "recursive queue flush diamond A,B,C,D"
--[[
a > b > d
> c >
]]
local a = source(0)
local b = source(0)
local c = source(0)
local d = source(0)
local count = { b = 0, c = 0, d = 0 }
effect(function()
batch(function()
b(a() % 2 == 0 and 1 or 0)
c(a() * 2)
end)
count.b += 1
count.c += 1
end)
effect(function()
batch(function()
d(b() + c())
end)
count.d += 1
end)
a(1)
CHECK(count.b == 2)
CHECK(count.c == 2)
CHECK(count.d == 2)
CHECK(d() == 2)
a(3)
CHECK(count.b == 3)
CHECK(count.c == 3)
CHECK(count.d == 3)
CHECK(d() == 6)
end
do CASE "recursive queue flush diamond A,B,C,D,E"
--[[
where b and c batches d
a > b > e
> c > d >
]]
local a = source(0)
local b = source(0)
local c = source(0)
local d = source(0)
local e = source(0)
local count = { b = 0, c = 0, d = 0, e = 0 }
effect(function()
batch(function()
b(a() % 2 == 0 and 1 or 0)
c(a() * 2)
end)
count.b += 1
count.c += 1
end)
effect(function()
batch(function()
d(c() * 2)
end)
count.d += 1
end)
effect(function()
batch(function()
e(b() + d())
end)
count.e += 1
end)
CHECK(e() == 1)
a(1)
CHECK(count.b == 2)
CHECK(count.c == 2)
CHECK(count.d == 2)
CHECK(count.e == 3)
CHECK(e() == 4)
a(3)
CHECK(count.b == 3)
CHECK(count.c == 3)
CHECK(count.d == 3)
CHECK(count.e == 4)
CHECK(e() == 12)
end
do CASE "recursive queue flush diamond A,B,C,D,E,F,G"
--[[
a > b > d > E > G
> c ^ > F
]]
local a = source(0)
local b = source(0)
local c = source(0)
local d = source(0)
local e = source(0)
local f = source(0)
local g = source(0)
local count = { b = 0, c = 0, d = 0, e = 0, f = 0, g = 0 }
effect(function()
batch(function()
b(a() % 2 == 0 and 1 or 0)
c(a() * 2)
end)
count.b += 1
count.c += 1
end)
effect(function()
batch(function()
d(b() + c())
end)
count.d += 1
end)
effect(function()
batch(function()
e(d() % 2 == 0 and 1 or 0)
f(d() * 2)
end)
count.e += 1
count.f += 1
end)
effect(function()
batch(function()
g(e() + f())
end)
count.g += 1
end)
a(1)
CHECK(count.b == 2)
CHECK(count.c == 2)
CHECK(count.d == 2)
CHECK(count.e == 2)
CHECK(count.f == 2)
CHECK(count.g == 2)
CHECK(d() == 2)
CHECK(g() == 5)
a(3)
CHECK(count.b == 3)
CHECK(count.c == 3)
CHECK(count.d == 3)
CHECK(count.e == 3)
CHECK(count.f == 3)
CHECK(count.g == 3)
CHECK(d() == 6)
CHECK(g() == 13)
end
end))
TEST("read()", wrap_root(function()