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fix: check for nil diffs

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littensy 2025-11-20 15:05:59 -08:00
parent 9f66803f04
commit 366fc668a2
3 changed files with 67 additions and 27 deletions
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40
packages/charm-sync/src/__tests__/server.spec.luau
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@ -210,6 +210,26 @@ test("should serialize state", function()
assert(patch.isNone(payloads[1].data.a["5"]), "Expected index 5 to be serialized as string key")
end)
test("should not send unchanged state", function()
local client = {}
local a = Charm.atom(0)
local payloads
server.addSignalsToClient(client, { a = a })
server.connect(function(_, p)
payloads = p
end)
server.flush()
assert(payloads[1].type == "init", "Expected first payload to be init")
assert(payloads[1].data.a == 0, "Expected init payload to contain atom 'a'")
payloads = {}
a(0)
server.flush()
assert(#payloads == 0, "Expected no payloads to be sent for unchanged state")
end)
describe("historical", function()
beforeEach(function()
config.preserveHistory = true
@ -344,6 +364,26 @@ describe("historical", function()
assert(payloads[4].type == "patch", "Expected fourth payload to be patch")
assert(payloads[4].data.b == 2, "Expected patch payload to contain atom 'b'")
end)
test("should not send unchanged state", function()
local client = {}
local a = Charm.atom(0)
local payloads
server.addSignalsToClient(client, { a = a })
server.connect(function(_, p)
payloads = p
end)
server.flush()
assert(payloads[1].type == "init", "Expected first payload to be init")
assert(payloads[1].data.a == 0, "Expected init payload to contain atom 'a'")
payloads = {}
a(0)
server.flush()
assert(#payloads == 0, "Expected no payloads to be sent for unchanged state")
end)
end)
return {}