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https://github.com/simplex-chat/simplex-chat.git
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91 lines
5.2 KiB
Haskell
91 lines
5.2 KiB
Haskell
{-# LANGUAGE OverloadedStrings #-}
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module ByteStringBatcherTests where
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import qualified Data.ByteString.Builder as BB
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import qualified Data.ByteString.Lazy as L
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import Data.Int (Int64)
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import Data.List.NonEmpty (fromList)
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import Simplex.Chat.ByteStringBatcher
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import Simplex.Chat.Protocol (maxChatMsgSize)
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import Test.Hspec
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byteStringBatcherTests :: Spec
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byteStringBatcherTests = describe "ByteStringBatcher tests" $ do
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testBatchingCorrectness
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it "image x.msg.new and x.msg.file.descr should fit into single batch" testImageFitsSingleBatch
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testBatchingCorrectness :: Spec
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testBatchingCorrectness = describe "correctness tests" $ do
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runBatcherTest 8 ["a"] [] ["a"]
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runBatcherTest 8 ["a", "b"] [] ["[a,b]"]
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runBatcherTest 8 ["a", "b", "c"] [] ["[a,b,c]"]
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runBatcherTest 8 ["a", "bb", "c"] [] ["[a,bb,c]"]
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runBatcherTest 8 ["a", "b", "c", "d"] [] ["[a,b,c]", "d"]
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runBatcherTest 8 ["a", "bb", "c", "d"] [] ["[a,bb,c]", "d"]
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runBatcherTest 8 ["a", "bb", "c", "de"] [] ["[a,bb,c]", "de"]
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runBatcherTest 8 ["a", "b", "c", "d", "e"] [] ["[a,b,c]", "[d,e]"]
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runBatcherTest 8 ["aaaaa"] [] ["aaaaa"]
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runBatcherTest 8 ["8aaaaaaa"] [] ["8aaaaaaa"]
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runBatcherTest 8 ["aaaa", "bbbb"] [] ["aaaa", "bbbb"]
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runBatcherTest 8 ["aa", "bbb", "cc", "dd"] [] ["[aa,bbb]", "[cc,dd]"]
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runBatcherTest 8 ["9aaaaaaaa"] ["9aaaaaaaa"] []
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runBatcherTest 8 ["aaaaa", "bbb", "cc"] [] ["aaaaa", "[bbb,cc]"]
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runBatcherTest 8 ["8aaaaaaa", "bbb", "cc"] [] ["8aaaaaaa", "[bbb,cc]"]
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runBatcherTest 8 ["9aaaaaaaa", "bbb", "cc"] ["9aaaaaaaa"] ["[bbb,cc]"]
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runBatcherTest 8 ["9aaaaaaaa", "bbb", "cc", "dd"] ["9aaaaaaaa"] ["[bbb,cc]", "dd"]
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runBatcherTest 8 ["9aaaaaaaa", "bbb", "cc", "dd", "e"] ["9aaaaaaaa"] ["[bbb,cc]", "[dd,e]"]
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runBatcherTest 8 ["bbb", "cc", "aaaaa"] [] ["[bbb,cc]", "aaaaa"]
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runBatcherTest 8 ["bbb", "cc", "8aaaaaaa"] [] ["[bbb,cc]", "8aaaaaaa"]
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runBatcherTest 8 ["bbb", "cc", "9aaaaaaaa"] ["9aaaaaaaa"] ["[bbb,cc]"]
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runBatcherTest 8 ["bbb", "cc", "dd", "9aaaaaaaa"] ["9aaaaaaaa"] ["[bbb,cc]", "dd"]
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runBatcherTest 8 ["bbb", "cc", "dd", "e", "9aaaaaaaa"] ["9aaaaaaaa"] ["[bbb,cc]", "[dd,e]"]
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runBatcherTest 8 ["bbb", "cc", "aaaaa", "dd"] [] ["[bbb,cc]", "aaaaa", "dd"]
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runBatcherTest 8 ["bbb", "cc", "aaaaa", "dd", "e"] [] ["[bbb,cc]", "aaaaa", "[dd,e]"]
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runBatcherTest 8 ["bbb", "cc", "8aaaaaaa", "dd"] [] ["[bbb,cc]", "8aaaaaaa", "dd"]
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runBatcherTest 8 ["bbb", "cc", "8aaaaaaa", "dd", "e"] [] ["[bbb,cc]", "8aaaaaaa", "[dd,e]"]
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runBatcherTest 8 ["bbb", "cc", "9aaaaaaaa"] ["9aaaaaaaa"] ["[bbb,cc]"]
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runBatcherTest 8 ["bbb", "cc", "9aaaaaaaa", "dd"] ["9aaaaaaaa"] ["[bbb,cc]", "dd"]
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runBatcherTest 8 ["bbb", "cc", "9aaaaaaaa", "dd", "e"] ["9aaaaaaaa"] ["[bbb,cc]", "[dd,e]"]
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runBatcherTest 8 ["9aaaaaaaa", "10aaaaaaaa"] ["9aaaaaaaa", "10aaaaaaaa"] []
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runBatcherTest 8 ["8aaaaaaa", "9aaaaaaaa", "10aaaaaaaa"] ["9aaaaaaaa", "10aaaaaaaa"] ["8aaaaaaa"]
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runBatcherTest 8 ["9aaaaaaaa", "8aaaaaaa", "10aaaaaaaa"] ["9aaaaaaaa", "10aaaaaaaa"] ["8aaaaaaa"]
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runBatcherTest 8 ["9aaaaaaaa", "10aaaaaaaa", "8aaaaaaa"] ["9aaaaaaaa", "10aaaaaaaa"] ["8aaaaaaa"]
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runBatcherTest 8 ["bb", "cc", "dd", "9aaaaaaaa", "10aaaaaaaa"] ["9aaaaaaaa", "10aaaaaaaa"] ["[bb,cc]", "dd"]
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runBatcherTest 8 ["bb", "cc", "9aaaaaaaa", "dd", "10aaaaaaaa"] ["9aaaaaaaa", "10aaaaaaaa"] ["[bb,cc]", "dd"]
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runBatcherTest 8 ["bb", "9aaaaaaaa", "cc", "dd", "10aaaaaaaa"] ["9aaaaaaaa", "10aaaaaaaa"] ["bb", "[cc,dd]"]
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runBatcherTest 8 ["bb", "9aaaaaaaa", "cc", "10aaaaaaaa", "dd"] ["9aaaaaaaa", "10aaaaaaaa"] ["bb", "cc", "dd"]
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runBatcherTest 8 ["9aaaaaaaa", "bb", "cc", "dd", "10aaaaaaaa"] ["9aaaaaaaa", "10aaaaaaaa"] ["[bb,cc]", "dd"]
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runBatcherTest 8 ["9aaaaaaaa", "bb", "10aaaaaaaa", "cc", "dd"] ["9aaaaaaaa", "10aaaaaaaa"] ["bb", "[cc,dd]"]
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runBatcherTest 8 ["9aaaaaaaa", "10aaaaaaaa", "bb", "cc", "dd"] ["9aaaaaaaa", "10aaaaaaaa"] ["[bb,cc]", "dd"]
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testImageFitsSingleBatch :: IO ()
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testImageFitsSingleBatch = do
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-- 14000 (limit for encoded image used in UI)
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-- + 300 (remaining x.msg.new metadata, rounded up, actual example was 266)
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let xMsgNewRoundedSize = 14300
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-- size of x.msg.file.descr body for a file of size
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-- 261_120 bytes (MAX_IMAGE_SIZE in UI), rounded up, example was 743
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let descrRoundedSize = 800
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let xMsgNewStr = L.replicate xMsgNewRoundedSize 1
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descrStr = L.replicate descrRoundedSize 2
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runBatcherTest' maxChatMsgSize [xMsgNewStr, descrStr] [] ["[" <> xMsgNewStr <> "," <> descrStr <> "]"]
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runBatcherTest :: Int64 -> [L.ByteString] -> [L.ByteString] -> [L.ByteString] -> SpecWith ()
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runBatcherTest batchLenLimit bStrs expectedLargeStrs expectedBatchedStrs =
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it
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( (show bStrs <> ", limit " <> show batchLenLimit <> ": should return ")
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<> (show (length expectedLargeStrs) <> " large, ")
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<> (show (length expectedBatchedStrs) <> " batches")
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)
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(runBatcherTest' batchLenLimit bStrs expectedLargeStrs expectedBatchedStrs)
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runBatcherTest' :: Int64 -> [L.ByteString] -> [L.ByteString] -> [L.ByteString] -> IO ()
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runBatcherTest' batchLenLimit bStrs expectedLargeStrs expectedBatchedStrs = do
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let (largeStrs, batches) = partitionBatches $ batchByteStringObjects batchLenLimit (fromList bStrs)
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batchedStrs = map (\(BSBatch batchBuilder _) -> BB.toLazyByteString batchBuilder) batches
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largeStrs `shouldBe` expectedLargeStrs
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batchedStrs `shouldBe` expectedBatchedStrs
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