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tensorflow-haskell/tensorflow-queue/tests/QueueTest.hs
2016-10-24 19:26:42 +00:00

79 lines
2.6 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 #-}
{-# LANGUAGE ScopedTypeVariables #-}
module Main where
import Control.Monad.IO.Class (liftIO)
import Data.Int (Int64)
import Google.Test (googleTest)
import TensorFlow.Nodes (Scalar(..))
import TensorFlow.Ops (scalar)
import TensorFlow.Queue
import TensorFlow.Session
( asyncProdNodes
, build
, buildAnd
, run
, runSession
, run_
)
import Test.Framework.Providers.HUnit (testCase)
import Test.HUnit ((@=?))
import qualified Data.ByteString as BS
-- | Test basic queue behaviors.
testBasic = testCase "testBasic" $ runSession $ do
(q :: Queue2 Int64 BS.ByteString) <- build $ makeQueue2 1 ""
buildAnd run_ (enqueue q 42 (scalar "Hi"))
x <- buildAnd run (dequeue q)
liftIO $ (Scalar 42, Scalar "Hi") @=? x
buildAnd run_ (enqueue q 56 (scalar "Bar"))
y <- buildAnd run (dequeue q)
liftIO $ (Scalar 56, Scalar "Bar") @=? y
-- | Test queue pumping.
testPump = testCase "testPump" $ runSession $ do
(deq, pump) <- build $ do
q :: Queue2 Int64 BS.ByteString <- makeQueue2 2 "ThePumpQueue"
(,) <$> dequeue q
<*> enqueue q 31 (scalar "Baz")
-- This is a realistic use. The pump inputs are pre-bound to some
-- nodes that produce values when pumped (e.g. read from a
-- file).
run_ (pump, pump)
(x, y) <- run (deq, deq)
liftIO $ (Scalar 31, Scalar "Baz") @=? x
liftIO $ (Scalar 31, Scalar "Baz") @=? y
testAsync = testCase "testAsync" $ runSession $ do
(deq, pump) <- build $ do
q :: Queue2 Int64 BS.ByteString <- makeQueue2 2 ""
(,) <$> dequeue q
<*> enqueue q 10 (scalar "Async")
-- Pumps the queue until canceled by runSession exiting.
asyncProdNodes pump
-- Picks up a couple values and verifies they are as expected.
run deq >>= liftIO . ((Scalar 10, Scalar "Async") @=?)
run deq >>= liftIO . ((Scalar 10, Scalar "Async") @=?)
main :: IO ()
main = googleTest [ testBasic
, testPump
, testAsync
]