76 lines
2.7 KiB
Haskell
76 lines
2.7 KiB
Haskell
-- Copyright 2016 TensorFlow authors.
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--
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-- Licensed under the Apache License, Version 2.0 (the "License");
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-- you may not use this file except in compliance with the License.
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-- You may obtain a copy of the License at
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--
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-- http://www.apache.org/licenses/LICENSE-2.0
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--
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-- Unless required by applicable law or agreed to in writing, software
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-- distributed under the License is distributed on an "AS IS" BASIS,
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-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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-- See the License for the specific language governing permissions and
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-- limitations under the License.
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{-# LANGUAGE OverloadedStrings #-}
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module Main where
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import Control.Monad.IO.Class (liftIO)
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import Data.Int (Int32, Int64)
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import Google.Test (googleTest)
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import System.IO.Temp (withSystemTempDirectory)
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import Test.Framework (Test)
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import Test.Framework.Providers.HUnit (testCase)
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import Test.HUnit ((@=?))
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import qualified Data.ByteString.Char8 as B8
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import qualified Data.Vector as V
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import qualified TensorFlow.Build as TF
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import qualified TensorFlow.ControlFlow as TF
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import qualified TensorFlow.GenOps.Core as CoreOps
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import qualified TensorFlow.Nodes as TF
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import qualified TensorFlow.Ops as TF
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import qualified TensorFlow.Output as TF
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import qualified TensorFlow.Session as TF
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import qualified TensorFlow.Types as TF
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-- | Test that one can easily determine number of elements in the tensor.
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testSize :: Test
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testSize = testCase "testSize" $ do
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x <- eval $ TF.size (TF.constant (TF.Shape [2, 3]) [0..5 :: Float])
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TF.Scalar (2 * 3 :: Int32) @=? x
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eval :: TF.Fetchable t a => t -> IO a
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eval = TF.runSession . TF.buildAnd TF.run . return
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-- | Confirms that the original example from Python code works.
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testReducedShape :: Test
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testReducedShape = testCase "testReducedShape" $ do
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x <- eval $ TF.reducedShape (TF.vector [2, 3, 5, 7 :: Int64])
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(TF.vector [1, 2 :: Int32])
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V.fromList [2, 1, 1, 7 :: Int32] @=? x
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testSaveRestore :: Test
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testSaveRestore = testCase "testSaveRestore" $
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withSystemTempDirectory "" $ \dirPath -> do
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let path = B8.pack $ dirPath ++ "/checkpoint"
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var :: TF.Build (TF.ResourceHandle Float)
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var = TF.zeroInitializedVariable (TF.Shape [])
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TF.runSession $ do
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v <- TF.build var
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TF.buildAnd TF.run_ $ TF.group $ CoreOps.assignVariableOp v 134
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TF.buildAnd TF.run_ $ TF.save path [v]
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result <- TF.runSession $ do
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v <- TF.build var
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TF.buildAnd TF.run_ $ TF.restore path v
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TF.run (CoreOps.readVariableOp v)
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liftIO $ TF.Scalar 134 @=? result
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main :: IO ()
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main = googleTest [ testSaveRestore
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, testSize
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, testReducedShape
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]
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