コードの整理とプロジェクトのビルド Monad型クラス QuickCheckを使ったプロパティテスト QuickCheckによるプロパティテスト QuickCheck
入門Haskellプログラミング (Will Kurt(著)、株式会社クイープ(監修、翻訳)、翔泳社)のUNIT6(コードの整理とプロジェクトのビルド)、LESSON36(QuickCheckを使ったプロパティテスト)、36.3(QuickCheckによるプロパティテスト)、QuickCheck、クイックチェック 37-5の解答を求めてみる。
package.yaml
name: palindrome-testing
version: 0.1.0.0
github: "githubuser/palindrome-testing"
license: BSD3
author: "Author name here"
maintainer: "example@example.com"
copyright: "2022 Author name here"
extra-source-files:
- README.md
- ChangeLog.md
# Metadata used when publishing your package
# synopsis: Short description of your package
# category: Web
# To avoid duplicated efforts in documentation and dealing with the
# complications of embedding Haddock markup inside cabal files, it is
# common to point users to the README.md file.
description: Please see the README on GitHub at <https://github.com/githubuser/palindrome-testing#readme>
dependencies:
- base >= 4.7 && < 5
library:
source-dirs: src
executables:
palindrome-testing-exe:
main: Main.hs
source-dirs: app
ghc-options:
- -threaded
- -rtsopts
- -with-rtsopts=-N
dependencies:
- palindrome-testing
tests:
palindrome-testing-test:
main: Spec.hs
source-dirs: test
ghc-options:
- -threaded
- -rtsopts
- -with-rtsopts=-N
dependencies:
- palindrome-testing
- QuickCheck
palindrome-testing.cabal
cabal-version: 1.12
-- This file has been generated from package.yaml by hpack version 0.34.4.
--
-- see: https://github.com/sol/hpack
name: palindrome-testing
version: 0.1.0.0
description: Please see the README on GitHub at <https://github.com/githubuser/palindrome-testing#readme>
homepage: https://github.com/githubuser/palindrome-testing#readme
bug-reports: https://github.com/githubuser/palindrome-testing/issues
author: Author name here
maintainer: example@example.com
copyright: 2022 Author name here
license: BSD3
license-file: LICENSE
build-type: Simple
extra-source-files:
README.md
ChangeLog.md
source-repository head
type: git
location: https://github.com/githubuser/palindrome-testing
library
exposed-modules:
Lib
other-modules:
Paths_palindrome_testing
hs-source-dirs:
src
build-depends:
base >=4.7 && <5
default-language: Haskell2010
executable palindrome-testing-exe
main-is: Main.hs
other-modules:
Paths_palindrome_testing
hs-source-dirs:
app
ghc-options: -threaded -rtsopts -with-rtsopts=-N
build-depends:
base >=4.7 && <5
, palindrome-testing
default-language: Haskell2010
test-suite palindrome-testing-test
type: exitcode-stdio-1.0
main-is: Spec.hs
other-modules:
Paths_palindrome_testing
hs-source-dirs:
test
ghc-options: -threaded -rtsopts -with-rtsopts=-N
build-depends:
QuickCheck
, base >=4.7 && <5
, palindrome-testing
default-language: Haskell2010
コード
test/Spec.hs
import Lib (isPalindrome)
import Test.QuickCheck
assert :: Bool -> String -> String -> IO ()
assert test passStatement failStatement =
putStrLn $
if test
then passStatement
else failStatement
prop_reverseInvariant text =
isPalindrome text == isPalindrome (reverse text)
main :: IO ()
main = do
quickCheck prop_reverseInvariant
putStrLn "done!"
入出力結果(Terminal, Zsh)
% stack test
splitmix > configure
splitmix > Configuring splitmix-0.1.0.4...
splitmix > build
splitmix > Preprocessing library for splitmix-0.1.0.4..
splitmix > Building library for splitmix-0.1.0.4..
splitmix > [1 of 4] Compiling Data.Bits.Compat
splitmix > [2 of 4] Compiling System.Random.SplitMix.Init
splitmix > [3 of 4] Compiling System.Random.SplitMix
splitmix > [4 of 4] Compiling System.Random.SplitMix32
splitmix > copy/register
splitmix > Installing library in /Users/…/.stack/snapshots/x86_64-osx/160203b3c1b5851ee38cefff1898f2ea31f9dd27504c585eee0da67dd7dc8bb2/8.10.7/lib/x86_64-osx-ghc-8.10.7/splitmix-0.1.0.4-Udb1gWOWPT4ftIqVxSbTF
splitmix > Registering library for splitmix-0.1.0.4..
random > configure
random > Configuring random-1.2.0...
random > build
random > Preprocessing library for random-1.2.0..
random > Building library for random-1.2.0..
random > [1 of 3] Compiling System.Random.Internal
random > [2 of 3] Compiling System.Random
random > [3 of 3] Compiling System.Random.Stateful
random > copy/register
random > Installing library in /Users/…/.stack/snapshots/x86_64-osx/160203b3c1b5851ee38cefff1898f2ea31f9dd27504c585eee0da67dd7dc8bb2/8.10.7/lib/x86_64-osx-ghc-8.10.7/random-1.2.0-GAV679NMk7iDELNoxF99p4
random > Registering library for random-1.2.0..
QuickCheck > configure
QuickCheck > Configuring QuickCheck-2.14.2...
QuickCheck > build
QuickCheck > Preprocessing library for QuickCheck-2.14.2..
QuickCheck > Building library for QuickCheck-2.14.2..
QuickCheck > [ 1 of 16] Compiling Test.QuickCheck.Exception
QuickCheck > [ 2 of 16] Compiling Test.QuickCheck.Random
QuickCheck > [ 3 of 16] Compiling Test.QuickCheck.Gen
QuickCheck > [ 4 of 16] Compiling Test.QuickCheck.Gen.Unsafe
QuickCheck > [ 5 of 16] Compiling Test.QuickCheck.Arbitrary
QuickCheck > [ 6 of 16] Compiling Test.QuickCheck.Poly
QuickCheck > [ 7 of 16] Compiling Test.QuickCheck.Modifiers
QuickCheck > [ 8 of 16] Compiling Test.QuickCheck.Function
QuickCheck > [ 9 of 16] Compiling Test.QuickCheck.Text
QuickCheck > [10 of 16] Compiling Test.QuickCheck.State
QuickCheck > [11 of 16] Compiling Test.QuickCheck.Property
QuickCheck > [12 of 16] Compiling Test.QuickCheck.Test
QuickCheck > [13 of 16] Compiling Test.QuickCheck.Monadic
QuickCheck > [14 of 16] Compiling Test.QuickCheck.All
QuickCheck > [15 of 16] Compiling Test.QuickCheck.Features
QuickCheck > [16 of 16] Compiling Test.QuickCheck
QuickCheck > copy/register
QuickCheck > Installing library in /Users/…/.stack/snapshots/x86_64-osx/160203b3c1b5851ee38cefff1898f2ea31f9dd27504c585eee0da67dd7dc8bb2/8.10.7/lib/x86_64-osx-ghc-8.10.7/QuickCheck-2.14.2-9znbJPXXIAU5zq9aq8lWOx
QuickCheck > Registering library for QuickCheck-2.14.2..
palindrome-testing> configure (lib + exe + test)
Configuring palindrome-testing-0.1.0.0...
palindrome-testing> build (lib + exe + test)
Preprocessing library for palindrome-testing-0.1.0.0..
Building library for palindrome-testing-0.1.0.0..
[1 of 2] Compiling Lib
[2 of 2] Compiling Paths_palindrome_testing
Preprocessing executable 'palindrome-testing-exe' for palindrome-testing-0.1.0.0..
Building executable 'palindrome-testing-exe' for palindrome-testing-0.1.0.0..
[1 of 2] Compiling Main [Lib changed]
[2 of 2] Compiling Paths_palindrome_testing
Linking .stack-work/dist/x86_64-osx/Cabal-3.2.1.0/build/palindrome-testing-exe/palindrome-testing-exe ...
Preprocessing test suite 'palindrome-testing-test' for palindrome-testing-0.1.0.0..
Building test suite 'palindrome-testing-test' for palindrome-testing-0.1.0.0..
[1 of 2] Compiling Main
[2 of 2] Compiling Paths_palindrome_testing
Linking .stack-work/dist/x86_64-osx/Cabal-3.2.1.0/build/palindrome-testing-test/palindrome-testing-test ...
palindrome-testing> copy/register
Installing library in /Users/…/palindrome-testing/.stack-work/install/x86_64-osx/160203b3c1b5851ee38cefff1898f2ea31f9dd27504c585eee0da67dd7dc8bb2/8.10.7/lib/x86_64-osx-ghc-8.10.7/palindrome-testing-0.1.0.0-Lo0twh14VmV8lGyY2zGauK
Installing executable palindrome-testing-exe in /Users/…/palindrome-testing/.stack-work/install/x86_64-osx/160203b3c1b5851ee38cefff1898f2ea31f9dd27504c585eee0da67dd7dc8bb2/8.10.7/bin
Registering library for palindrome-testing-0.1.0.0..
palindrome-testing> test (suite: palindrome-testing-test)
+++ OK, passed 100 tests.
done!
palindrome-testing> Test suite palindrome-testing-test passed
Completed 5 action(s).
% stack test
palindrome-testing-0.1.0.0: unregistering (local file changes: .stack-work/dist/x86_64-osx/Cabal-3.2.1.0/build/autogen/Paths_palindrome_testing.hs .stack-work/d...)
palindrome-testing> configure (lib + exe + test)
Configuring palindrome-testing-0.1.0.0...
palindrome-testing> build (lib + exe + test)
Preprocessing library for palindrome-testing-0.1.0.0..
Building library for palindrome-testing-0.1.0.0..
[2 of 2] Compiling Paths_palindrome_testing [.stack-work/dist/x86_64-osx/Cabal-3.2.1.0/build/autogen/cabal_macros.h changed]
Preprocessing executable 'palindrome-testing-exe' for palindrome-testing-0.1.0.0..
Building executable 'palindrome-testing-exe' for palindrome-testing-0.1.0.0..
[2 of 2] Compiling Paths_palindrome_testing [.stack-work/dist/x86_64-osx/Cabal-3.2.1.0/build/palindrome-testing-exe/autogen/cabal_macros.h changed]
Linking .stack-work/dist/x86_64-osx/Cabal-3.2.1.0/build/palindrome-testing-exe/palindrome-testing-exe ...
Preprocessing test suite 'palindrome-testing-test' for palindrome-testing-0.1.0.0..
Building test suite 'palindrome-testing-test' for palindrome-testing-0.1.0.0..
Linking .stack-work/dist/x86_64-osx/Cabal-3.2.1.0/build/palindrome-testing-test/palindrome-testing-test ...
palindrome-testing> copy/register
Installing library in /Users/…/palindrome-testing/.stack-work/install/x86_64-osx/160203b3c1b5851ee38cefff1898f2ea31f9dd27504c585eee0da67dd7dc8bb2/8.10.7/lib/x86_64-osx-ghc-8.10.7/palindrome-testing-0.1.0.0-Lo0twh14VmV8lGyY2zGauK
Installing executable palindrome-testing-exe in /Users/…/palindrome-testing/.stack-work/install/x86_64-osx/160203b3c1b5851ee38cefff1898f2ea31f9dd27504c585eee0da67dd7dc8bb2/8.10.7/bin
Registering library for palindrome-testing-0.1.0.0..
palindrome-testing> test (suite: palindrome-testing-test)
+++ OK, passed 100 tests.
done!
palindrome-testing> Test suite palindrome-testing-test passed
Completed 2 action(s).
%