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tensorflow-haskell/tensorflow-records/tests/Main.hs
Andrew Pritchard bf0abd6d82 Add pure-Haskell implementation of TFRecords.
The tensorflow-records package implements encoding/decoding of the
format, and the tensorflow-records-conduit package provides wrappers and
utilities for use with Conduit.
2017-02-11 12:53:42 -08:00

51 lines
1.7 KiB
Haskell

-- Copyright 2016 TensorFlow authors.
--
-- Licensed under the Apache License, Version 2.0 (the "License");
-- you may not use this file except in compliance with the License.
-- You may obtain a copy of the License at
--
-- http://www.apache.org/licenses/LICENSE-2.0
--
-- Unless required by applicable law or agreed to in writing, software
-- distributed under the License is distributed on an "AS IS" BASIS,
-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-- See the License for the specific language governing permissions and
-- limitations under the License.
{-# LANGUAGE OverloadedStrings #-}
module Main where
import qualified Data.ByteString as B
import qualified Data.ByteString.Lazy as BL
import Data.Monoid ((<>))
import Data.Word (Word8)
import Data.Serialize (runGet, runPut)
import Test.Framework (Test, defaultMain)
import Test.Framework.Providers.QuickCheck2 (testProperty)
import TensorFlow.Records (getTFRecord, putTFRecord)
main :: IO ()
main = defaultMain tests
tests :: [Test]
tests =
[ testProperty "Inverse" propEncodeDecodeInverse
, testProperty "FixedRecord" propFixedRecord
]
-- There's no (Arbitrary BL.ByteString), so pack it from a list of chunks.
propEncodeDecodeInverse :: [[Word8]] -> Bool
propEncodeDecodeInverse s =
let bs = BL.fromChunks . fmap B.pack $ s
in runGet getTFRecord (runPut (putTFRecord bs)) == Right bs
propFixedRecord :: Bool
propFixedRecord =
("\x42" == case runGet getTFRecord record of
Left err -> error err -- Make the error appear in the test failure.
Right x -> x) &&
(runPut (putTFRecord "\x42") == record)
where
record = "\x01\x00\x00\x00\x00\x00\x00\x00" <> "\x01\x75\xde\x41" <>
"\x42" <> "\x52\xcf\xb8\x1e"