tasty-process (empty) → 0.1.0.0
raw patch · 12 files changed
+871/−0 lines, 12 filesdep +asyncdep +basedep +deepseqsetup-changed
Dependencies added: async, base, deepseq, process, tasty, tasty-expected-failure, tasty-process
Files
- CHANGELOG.md +11/−0
- LICENSE +339/−0
- README.md +53/−0
- Setup.hs +3/−0
- src/Test/Tasty/Process.hs +232/−0
- tasty-process.cabal +125/−0
- test/Main.hs +5/−0
- test/Test.hs +82/−0
- test/executables/echo/Main.hs +4/−0
- test/executables/exitcode/Main.hs +6/−0
- test/executables/simple/Main.hs +4/−0
- test/executables/sleep/Main.hs +7/−0
+ CHANGELOG.md view
@@ -0,0 +1,11 @@+# Changelog for `tasty-process`++All notable changes to this project will be documented in this file.++The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),+and this project adheres to the+[Haskell Package Versioning Policy](https://pvp.haskell.org/).++## 0.1.0.0 - 2024-03-14++- First version.
+ LICENSE view
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+ README.md view
@@ -0,0 +1,53 @@+# tasty-process++`tasty-process` is a library for running integration tests with the [Tasty](https://github.com/UnkindPartition/tasty) testing framework.++Features:++- Run an external process as a test case+- Supply input to `stdin`+- Test the process' `exitcode`, `stdout` and `stderr`+- Set timeout for the running process using Tasty's `Timeout` option+- Automatic clean up the process after the test++## Example++Here is an example Echo program that reads from `stdin` and echos back to `stdout`.++```hs+module Main (main) where++main :: IO ()+main = getLine >>= putStr+```++And here is a test case for the Echo program using `tasty-process`.++```hs+import System.Exit (ExitCode (..))+import Test.Tasty (TestTree)+import Test.Tasty.Process++echoTest :: TestTree+echoTest =+ setTimeout (1000000) $ -- set timeout to 1 second+ processTest+ "Echo test" -- test name+ TestProcess+ { process =+ (proc "echo-test" []) -- process to launch with a list of arguments+ , input = "Echo!" -- input to stdin+ , exitCodeCheck = equals ExitSuccess -- check exit code+ , stdoutCheck = equals "Echo!" -- check stdout+ , stderrCheck = equals "" -- check stderr+ }++```++## Documentation++See the [Hackage page](https://hackage.haskell.org/package/tasty-process) for detailed API documentation.++## GHC Compatibility++`tasty-process` is tested with GHC version >= 8.6
+ Setup.hs view
@@ -0,0 +1,3 @@+import Distribution.Simple++main = defaultMain
+ src/Test/Tasty/Process.hs view
@@ -0,0 +1,232 @@+{-# LANGUAGE FlexibleInstances #-}+{-# LANGUAGE NamedFieldPuns #-}+{-# LANGUAGE ScopedTypeVariables #-}+{-# LANGUAGE UndecidableInstances #-}++module Test.Tasty.Process+ ( processTest+ , TestProcess (..)+ , proc+ , shell+ , defaultProcess+ , ExitCodeCheck+ , OutputCheck+ , equals+ , ignored+ , setTimeout+ )+where++import Control.DeepSeq (deepseq)+import Data.Foldable (for_)+import Data.Maybe (fromMaybe)+import GHC.IO.Handle (Handle, hClose, hFlush, hPutStr)+import System.Exit (ExitCode)+import System.IO (hGetContents)+import System.Process+ ( CmdSpec (..)+ , CreateProcess (..)+ , ProcessHandle+ , StdStream (..)+ , cleanupProcess+ , createProcess+ , waitForProcess+ )+import qualified System.Process as P (proc, shell)+import Test.Tasty (TestName, TestTree, localOption, mkTimeout, withResource)+import Test.Tasty.Providers+ ( IsTest (..)+ , Result+ , singleTest+ , testFailed+ , testPassed+ )++{- | Create a 'TestTree' from a 'TestProcess'. Here is an example of how to use+the function to create a test.++@+exampleTest :: TestTree+exampleTest =+ setTimeout (1000000) $+ processTest+ "Simple test"+ TestProcess+ { process =+ (proc "test-executable-simple" [])+ , input = Nothing+ , exitCodeCheck = equals ExitSuccess+ , stdoutCheck = equals "Hello, world!\n"+ , stderrCheck = equals ""+ }+@+-}+processTest+ :: TestName+ -> TestProcess+ -> TestTree+processTest+ testName+ tp@TestProcess {process} =+ withResource+ (createProcess process)+ cleanupProcess+ (\io -> singleTest testName (tp, io))++{- | 'ExitCodeCheck' represents a function that given the 'ExitCode' of a process,+returns '()' if the exit code is expected, or a reason otherwise.+-}+type ExitCodeCheck = ExitCode -> Either String ()++{- | 'OutputCheck' represents a function that given the output of a process,+returns '()' if the output is expected, or a reason otherwise.+-}+type OutputCheck = String -> Either String ()++-- | 'TestProcess' is a data type that represents a process to be tested.+data TestProcess = TestProcess+ { process :: CreateProcess+ -- ^ The process to be tested.+ , input :: Maybe String+ -- ^ The input to be sent to the process. If 'Nothing', no input will be sent.+ , exitCodeCheck :: ExitCodeCheck+ -- ^ The check to be performed on the exit code of the process.+ , stdoutCheck :: OutputCheck+ -- ^ The check to be performed on the @stdout@ of the process.+ , stderrCheck :: OutputCheck+ -- ^ The check to be performed on the @stderr@ of the process.+ }++-- | The template process configuration.+defaultProcess :: TestProcess+defaultProcess =+ TestProcess+ { process = undefined+ , input = Nothing+ , exitCodeCheck = ignored+ , stdoutCheck = ignored+ , stderrCheck = ignored+ }++instance+ IsTest+ (TestProcess, IO (Maybe Handle, Maybe Handle, Maybe Handle, ProcessHandle))+ where+ run _ (tp, io) _ = runTestProcess tp io++ testOptions = return []++runTestProcess+ :: TestProcess+ -> IO (Maybe Handle, Maybe Handle, Maybe Handle, ProcessHandle)+ -> IO Result+runTestProcess+ TestProcess+ { process+ , input+ , exitCodeCheck+ , stdoutCheck+ , stderrCheck+ }+ io = do+ (mbStdinH, mbStdoutH, mbStderrH, ph) <- io+ -- Send input to the process.+ for_ input $ \i -> do+ mapM_ (`hPutStr` i) mbStdinH+ mapM_ hFlush mbStdinH+ mapM_ hClose mbStdinH+ -- Wait for the process to finish and get the exit code, stdout and stderr.+ stdout :: String <- fromMaybe "" <$> mapM hGetContents mbStdoutH+ stderr :: String <- fromMaybe "" <$> mapM hGetContents mbStderrH+ exitCode :: ExitCode <- stderr `deepseq` stdout `deepseq` waitForProcess ph+ -- Check the exit code, stdout and stderr.+ let exitFailure' = exitFailure process exitCode stderr stdout+ let exitCodeCheckResult = exitCodeCheck exitCode+ let stderrCheckResult = stderrCheck stderr+ let stdoutCheckResult = stdoutCheck stdout+ let handleNotes =+ printHandleNote mbStdinH "stdin"+ ++ printHandleNote mbStdoutH "stdout"+ ++ printHandleNote mbStderrH "stderr"+ let res+ | Left reason <- exitCodeCheckResult =+ exitFailure' ("ExitCode check failed.\n" ++ reason ++ handleNotes)+ | Left reason <- stdoutCheckResult =+ exitFailure' ("Stdout check failed.\n" ++ reason ++ handleNotes)+ | Left reason <- stderrCheckResult =+ exitFailure' ("Stderr check failed.\n" ++ reason ++ handleNotes)+ | otherwise = testPassed ""+ return res++printHandleNote :: Maybe a -> String -> String+printHandleNote (Just _) _ = ""+printHandleNote Nothing hName =+ hName+ ++ " was not captured because it is not set to `CreatePipe` in `CreateProcess`.\n"++exitFailure+ :: CreateProcess -> ExitCode -> String -> String -> String -> Result+exitFailure CreateProcess {cmdspec} code stderr stdout reason =+ testFailed $+ unlines+ [ printCmdSpec cmdspec ++ " exited with code " ++ show code+ , ""+ , if null stdout+ then "Nothing was printed to stdout."+ else "stdout contained:\n" ++ stdout+ , ""+ , if null stderr+ then "Nothing was printed to stderr."+ else "stderr contained:\n" ++ stderr+ , ""+ , reason+ ]++printCmdSpec :: CmdSpec -> String+printCmdSpec (ShellCommand x) = x+printCmdSpec (RawCommand x y) = unwords (x : y)++-- | Set the timeout (in microseconds) for a 'TestTree'.+setTimeout :: Integer -> TestTree -> TestTree+setTimeout = localOption . mkTimeout++{- | A helper function for creating equality checks.++>>> equals "str" "str"+Right ()++>>> equals ExitSuccess ExitSuccess+Right ()++>>> equals "expected value" "actual value"+Left "expected : \"expected value\"\nactual : \"actual value\"\n"+-}+equals :: (Show a, Eq a) => a -> a -> Either String ()+equals expected actual+ | expected == actual = Right ()+ | otherwise =+ Left $ "expected : " ++ show expected ++ "\nactual : " ++ show actual ++ "\n"++{- | A helper function to ignore checks.++>>> ignored "any value"+Right ()+-}+ignored :: a -> Either String ()+ignored _ = Right ()++{- | Re-export of 'proc' from "System.Process" with correct default values.++Construct a `CreateProcess` record for passing to `createProcess`, representing a command to be passed to the shell.+-}+proc :: FilePath -> [String] -> CreateProcess+proc x y =+ (P.proc x y) {std_out = CreatePipe, std_err = CreatePipe, std_in = CreatePipe}++{- | Re-export of 'shell' from "System.Process" with correct default values.++Construct a `CreateProcess` record for passing to `createProcess`, representing a raw command with arguments.+See `RawCommand` for precise semantics of the specified `FilePath`.+-}+shell :: String -> CreateProcess+shell x = (P.shell x) {std_out = CreatePipe, std_err = CreatePipe, std_in = CreatePipe}
+ tasty-process.cabal view
@@ -0,0 +1,125 @@+cabal-version: 1.12++-- This file has been generated from package.yaml by hpack version 0.36.0.+--+-- see: https://github.com/sol/hpack++name: tasty-process+version: 0.1.0.0+synopsis: Test execution of external processes with Tasty+description: Please see the README on GitHub at <https://github.com/HEIGE-PCloud/tasty-process#readme>+category: Testing+homepage: https://github.com/HEIGE-PCloud/tasty-process#readme+bug-reports: https://github.com/HEIGE-PCloud/tasty-process/issues+author: PCloud+maintainer: heige.pcloud@outlook.com+copyright: (c) 2024 PCloud+license: GPL-2+license-file: LICENSE+build-type: Simple+extra-source-files:+ README.md+ CHANGELOG.md++source-repository head+ type: git+ location: https://github.com/HEIGE-PCloud/tasty-process++library+ exposed-modules:+ Test.Tasty.Process+ other-modules:+ Paths_tasty_process+ hs-source-dirs:+ src+ ghc-options: -Wall -Wcompat -Widentities -Wincomplete-record-updates -Wincomplete-uni-patterns -Wmissing-export-lists -Wmissing-home-modules -Wpartial-fields -Wredundant-constraints+ build-depends:+ async >=2.2.5 && <2.3+ , base >=4.7 && <5+ , deepseq >=1.4.8 && <1.5+ , process >=1.6.18 && <1.7+ , tasty >=1.4 && <1.6+ default-language: Haskell2010++executable test-executable-echo+ main-is: Main.hs+ other-modules:+ Paths_tasty_process+ hs-source-dirs:+ test/executables/echo+ ghc-options: -Wall -Wcompat -Widentities -Wincomplete-record-updates -Wincomplete-uni-patterns -Wmissing-export-lists -Wmissing-home-modules -Wpartial-fields -Wredundant-constraints -threaded -rtsopts -with-rtsopts=-N+ build-depends:+ async >=2.2.5 && <2.3+ , base >=4.7 && <5+ , deepseq >=1.4.8 && <1.5+ , process >=1.6.18 && <1.7+ , tasty >=1.4 && <1.6+ , tasty-process+ default-language: Haskell2010++executable test-executable-exitcode+ main-is: Main.hs+ other-modules:+ Paths_tasty_process+ hs-source-dirs:+ test/executables/exitcode+ ghc-options: -Wall -Wcompat -Widentities -Wincomplete-record-updates -Wincomplete-uni-patterns -Wmissing-export-lists -Wmissing-home-modules -Wpartial-fields -Wredundant-constraints -threaded -rtsopts -with-rtsopts=-N+ build-depends:+ async >=2.2.5 && <2.3+ , base >=4.7 && <5+ , deepseq >=1.4.8 && <1.5+ , process >=1.6.18 && <1.7+ , tasty >=1.4 && <1.6+ , tasty-process+ default-language: Haskell2010++executable test-executable-simple+ main-is: Main.hs+ other-modules:+ Paths_tasty_process+ hs-source-dirs:+ test/executables/simple+ ghc-options: -Wall -Wcompat -Widentities -Wincomplete-record-updates -Wincomplete-uni-patterns -Wmissing-export-lists -Wmissing-home-modules -Wpartial-fields -Wredundant-constraints -threaded -rtsopts -with-rtsopts=-N+ build-depends:+ async >=2.2.5 && <2.3+ , base >=4.7 && <5+ , deepseq >=1.4.8 && <1.5+ , process >=1.6.18 && <1.7+ , tasty >=1.4 && <1.6+ , tasty-process+ default-language: Haskell2010++executable test-executable-sleep+ main-is: Main.hs+ other-modules:+ Paths_tasty_process+ hs-source-dirs:+ test/executables/sleep+ ghc-options: -Wall -Wcompat -Widentities -Wincomplete-record-updates -Wincomplete-uni-patterns -Wmissing-export-lists -Wmissing-home-modules -Wpartial-fields -Wredundant-constraints -threaded -rtsopts -with-rtsopts=-N+ build-depends:+ async >=2.2.5 && <2.3+ , base >=4.7 && <5+ , deepseq >=1.4.8 && <1.5+ , process >=1.6.18 && <1.7+ , tasty >=1.4 && <1.6+ , tasty-process+ default-language: Haskell2010++test-suite tasty-process-test+ type: exitcode-stdio-1.0+ main-is: Main.hs+ other-modules:+ Test+ Paths_tasty_process+ hs-source-dirs:+ test+ ghc-options: -Wall -Wcompat -Widentities -Wincomplete-record-updates -Wincomplete-uni-patterns -Wmissing-export-lists -Wmissing-home-modules -Wpartial-fields -Wredundant-constraints -threaded -rtsopts -with-rtsopts=-N+ build-depends:+ async >=2.2.5 && <2.3+ , base >=4.7 && <5+ , deepseq >=1.4.8 && <1.5+ , process >=1.6.18 && <1.7+ , tasty >=1.4 && <1.6+ , tasty-expected-failure+ , tasty-process+ default-language: Haskell2010
+ test/Main.hs view
@@ -0,0 +1,5 @@+import Test (allTests)+import Test.Tasty (defaultMain)++main :: IO ()+main = defaultMain allTests
+ test/Test.hs view
@@ -0,0 +1,82 @@+module Test (allTests) where++import System.Exit (ExitCode (ExitFailure))+import Test.Tasty (TestTree, testGroup)+import Test.Tasty.ExpectedFailure (expectFailBecause)+import Test.Tasty.Process++second :: Integer+second = 1000000++simpleTest :: TestTree+simpleTest =+ setTimeout (1 * second) $+ processTest+ "Simple test"+ defaultProcess+ { process = proc "test-executable-simple" []+ , stdoutCheck = equals "Hello, world!\n"+ }++echoTest :: TestTree+echoTest =+ setTimeout (1 * second) $+ processTest+ "Echo test"+ defaultProcess+ { process = proc "test-executable-echo" []+ , input = Just "Echo!"+ , stdoutCheck = equals "Echo!"+ }++failedEchoTest :: TestTree+failedEchoTest =+ expectFailBecause "Expected '!ochE', but get 'Echo!'" $+ processTest+ "Failed echo test"+ defaultProcess+ { process = proc "test-executable-echo" []+ , input = Just "Echo!"+ , stdoutCheck = equals "!ochE"+ }++exitCodeTest :: TestTree+exitCodeTest =+ processTest+ "Exit code test"+ defaultProcess+ { process = proc "test-executable-exitcode" []+ , exitCodeCheck = equals (ExitFailure 123)+ }++failedExitCodeTest :: TestTree+failedExitCodeTest =+ expectFailBecause "Expected exit code 321, but get 123" $+ processTest+ "Failed exit code test"+ defaultProcess+ { process = proc "test-executable-exitcode" []+ , exitCodeCheck = equals (ExitFailure 321)+ }++timeoutTest :: TestTree+timeoutTest =+ expectFailBecause "Should timeout after 1s" $+ setTimeout (1 * second) $+ processTest+ "Timeout test"+ defaultProcess+ { process = proc "test-executable-sleep" []+ }++allTests :: TestTree+allTests =+ testGroup+ "Test"+ [ simpleTest+ , echoTest+ , failedEchoTest+ , exitCodeTest+ , failedExitCodeTest+ , timeoutTest+ ]
+ test/executables/echo/Main.hs view
@@ -0,0 +1,4 @@+module Main (main) where++main :: IO ()+main = getLine >>= putStr
+ test/executables/exitcode/Main.hs view
@@ -0,0 +1,6 @@+module Main (main) where++import System.Exit (ExitCode (ExitFailure), exitWith)++main :: IO ()+main = exitWith (ExitFailure 123)
+ test/executables/simple/Main.hs view
@@ -0,0 +1,4 @@+module Main (main) where++main :: IO ()+main = putStrLn "Hello, world!"
+ test/executables/sleep/Main.hs view
@@ -0,0 +1,7 @@+module Main (main) where++import Control.Concurrent (threadDelay)++-- | sleep for 10 seconds+main :: IO ()+main = threadDelay $ 10 * 1000000