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81 lines
3.5 KiB
Haskell
81 lines
3.5 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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-- | Tests for TensorFlow.Logging.
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module Main where
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import Control.Monad.Trans.Resource (runResourceT)
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import Data.Conduit ((=$=))
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import Data.Default (def)
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import Data.List ((\\))
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import Data.ProtoLens (encodeMessage, decodeMessageOrDie)
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import Lens.Family2 ((^.), (.~), (&))
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import Proto.Tensorflow.Core.Util.Event (Event, graphDef, fileVersion, step)
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import System.Directory (getDirectoryContents)
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import System.FilePath ((</>))
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import System.IO.Temp (withSystemTempDirectory)
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import TensorFlow.Core (Build, ControlNode, asGraphDef, noOp)
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import TensorFlow.Logging (withEventWriter, logEvent, logGraph)
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import TensorFlow.Records.Conduit (sourceTFRecords)
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import Test.Framework (defaultMain, Test)
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import Test.Framework.Providers.HUnit (testCase)
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import Test.HUnit (assertBool, assertEqual)
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import qualified Data.ByteString.Lazy as BL
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import qualified Data.Conduit as Conduit
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import qualified Data.Conduit.List as Conduit
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import qualified Data.Text as T
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-- TODO: This has been added to System.Directory in newer versions.
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listDirectory :: String -> IO [String]
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listDirectory dir = (\\ [".", ".."]) <$> getDirectoryContents dir
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testEventWriter :: Test
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testEventWriter = testCase "EventWriter" $
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withSystemTempDirectory "event_writer_logs" $ \dir -> do
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assertEqual "No file before" [] =<< listDirectory dir
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let expected = [ (def :: Event) & step .~ 10
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, def & step .~ 222
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, def & step .~ 8
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]
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withEventWriter dir $ \eventWriter ->
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mapM_ (logEvent eventWriter) expected
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files <- listDirectory dir
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assertEqual "One file exists after" 1 (length files)
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records <- runResourceT $ Conduit.runConduit $
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sourceTFRecords (dir </> head files) =$= Conduit.consume
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assertBool "File is not empty" (not (null records))
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let (header:body) = decodeMessageOrDie . BL.toStrict <$> records
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assertEqual "Header has expected version"
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(T.pack "brain.Event:2") (header ^. fileVersion)
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assertEqual "Body has expected records" expected body
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testLogGraph :: Test
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testLogGraph = testCase "LogGraph" $
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withSystemTempDirectory "event_writer_logs" $ \dir -> do
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let graphBuild = noOp :: Build ControlNode
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expectedGraph = asGraphDef graphBuild
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expectedGraphEvent = (def :: Event) & graphDef .~ (encodeMessage expectedGraph)
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withEventWriter dir $ \eventWriter ->
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logGraph eventWriter graphBuild
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files <- listDirectory dir
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records <- runResourceT $ Conduit.runConduit $
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sourceTFRecords (dir </> head files) =$= Conduit.consume
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let (_:event:_) = decodeMessageOrDie . BL.toStrict <$> records
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assertEqual "First record expected to be Event containing GraphDef" expectedGraphEvent event
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main :: IO ()
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main = defaultMain [ testEventWriter
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, testLogGraph
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]
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