hspec-slow (empty) → 0.1.0.0
raw patch · 5 files changed
+155/−0 lines, 5 filesdep +basedep +hspecdep +hspec-slowsetup-changed
Dependencies added: base, hspec, hspec-slow, mtl, stm, time, transformers
Files
- LICENSE +30/−0
- Setup.hs +2/−0
- hspec-slow.cabal +41/−0
- src/Test/Hspec/Slow.hs +62/−0
- test/Spec.hs +20/−0
+ LICENSE view
@@ -0,0 +1,30 @@+Copyright Author name here (c) 2016++All rights reserved.++Redistribution and use in source and binary forms, with or without+modification, are permitted provided that the following conditions are met:++ * Redistributions of source code must retain the above copyright+ notice, this list of conditions and the following disclaimer.++ * Redistributions in binary form must reproduce the above+ copyright notice, this list of conditions and the following+ disclaimer in the documentation and/or other materials provided+ with the distribution.++ * Neither the name of Author name here nor the names of other+ contributors may be used to endorse or promote products derived+ from this software without specific prior written permission.++THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ Setup.hs view
@@ -0,0 +1,2 @@+import Distribution.Simple+main = defaultMain
+ hspec-slow.cabal view
@@ -0,0 +1,41 @@+name: hspec-slow+version: 0.1.0.0+synopsis: Find slow test cases+description: Records and prints out slow Hspec tests+homepage: https://github.com/bobjflong/hspec-slow#readme+license: BSD3+license-file: LICENSE+author: Bob Long+maintainer: robertjflong@gmail.com+copyright: 2016 Bob Long+category: Testing+build-type: Simple+-- extra-source-files:+cabal-version: >=1.10++library+ hs-source-dirs: src+ exposed-modules: Test.Hspec.Slow+ build-depends: base >= 4.7 && < 5+ , stm+ , time+ , transformers+ , mtl+ , hspec+ default-language: Haskell2010++test-suite hspec-slow-test+ type: exitcode-stdio-1.0+ hs-source-dirs: test+ main-is: Spec.hs+ build-depends: base+ , hspec-slow+ , hspec+ , stm+ , mtl+ ghc-options: -threaded -rtsopts -with-rtsopts=-N+ default-language: Haskell2010++source-repository head+ type: git+ location: https://github.com/bobjflong/hspec-slow
+ src/Test/Hspec/Slow.hs view
@@ -0,0 +1,62 @@+{-# LANGUAGE BangPatterns #-}+{-# LANGUAGE RankNTypes #-}++module Test.Hspec.Slow (+ configure,+ timedHspec,+ timedHspecParallel+ ) where++import Control.Concurrent.STM.TVar+import Control.Monad.IO.Class+import Control.Monad.Reader+import Control.Monad.STM+import Data.Time.Clock+import Test.Hspec++type SlowResults = [(String, NominalDiffTime)]+type SlowResultTracker = TVar SlowResults++data SlowConfiguration = SlowConfiguration {+ duration :: Int,+ tracker :: SlowResultTracker+}++configure :: Int -> IO SlowConfiguration+configure x =+ newTVarIO [] >>= \t ->+ return (SlowConfiguration x t)++stopwatch :: MonadIO m => m a -> m (a, NominalDiffTime)+stopwatch x = do+ start <- liftIO getCurrentTime+ !a <- x+ end <- liftIO getCurrentTime+ return (a, end `diffUTCTime` start)++trackedAction :: MonadIO m => String -> m a -> ReaderT SlowConfiguration m a+trackedAction s m = do+ conf <- ask+ (result, d) <- lift (stopwatch m)+ if d > (realToFrac . duration $ conf)+ then do+ liftIO $ atomically $ modifyTVar (tracker conf) (++ [(s, d)])+ return result+ else return result++type Timer = forall m a. (MonadIO m, Example (m a)) => String -> m a -> SpecWith (Arg (m a))++timed :: SlowConfiguration -> Timer+timed c s a = it s $ runReaderT (trackedAction s a) c++slowReport :: (MonadIO m) => SlowConfiguration -> m ()+slowReport s = do+ slows <- liftIO $ readTVarIO (tracker s)+ liftIO $ putStrLn "Slow examples:"+ liftIO $ mapM_ (\(t, v) -> putStrLn $ show v ++ ": " ++ t) slows++timedHspec :: SlowConfiguration -> (Timer -> SpecWith ()) -> IO ()+timedHspec t x = hspec $ (afterAll_ . slowReport) t $ x (timed t)++timedHspecParallel :: SlowConfiguration -> (Timer -> SpecWith ()) -> IO ()+timedHspecParallel t x = hspec $ (afterAll_ . slowReport) t $ parallel $ x (timed t)
+ test/Spec.hs view
@@ -0,0 +1,20 @@+import Control.Concurrent+import Control.Concurrent.STM.TVar+import Control.Monad.Reader+import Test.Hspec+import Test.Hspec.Slow++main :: IO ()+main = do+ conf <- configure 1+ timedHspecParallel conf $ \it ->+ describe "Main" $ do+ it "should foo" $ do+ threadDelay 3000000+ 1 `shouldBe` 1+ it "should bar" $ do+ threadDelay 1000+ 1 `shouldBe` 1+ it "should baz" $ do+ threadDelay 4000000+ 1 `shouldBe` 1