hspecVariant: Spec for testing properties

[ gpl, library, testing ] [ Propose Tags ]

Spec for testing properties for variant types. Uses QuickCheckVariant package.

[Skip to Readme]

Modules

[Index] [Quick Jump]

Test
- Hspec
  - Test.Hspec.Variant

Downloads

hspecVariant-1.0.1.0.tar.gz [browse] (Cabal source package)
Package description (as included in the package)

Maintainer's Corner

Package maintainers

sanjorgek

For package maintainers and hackage trustees

edit package information

Candidates

0.1.0.0, 0.1.0.1, 1.0.0.0

Versions [RSS]	0.1.0.0, 0.1.0.1, 1.0.0.0, 1.0.1.0
Dependencies	base (>=4.6 && <5), hspec (>=2.2 && <3), QuickCheckVariant (>=1.0.1.0 && <2) [details]
License	GPL-3.0-only
Copyright	(c) Jorge Santiago Alvarez Cuadros
Author	Jorge Santiago Alvarez Cuadros
Maintainer	sanjorgek@ciencias.unam.mx
Category	Testing
Home page	https://github.com/sanjorgek/hspecVariant
Bug tracker	https://github.com/sanjorgek/hspecVariant/issues
Source repo	head: git clone git@github.com:sanjorgek/hspecVariant.git
Uploaded	by sanjorgek at 2021-10-23T00:14:39Z
Distributions
Reverse Dependencies	1 direct, 0 indirect [details]
Downloads	2208 total (10 in the last 30 days)
Rating	(no votes yet) [estimated by Bayesian average]
Your Rating	λ λ λ
Status	Docs available [build log] Last success reported on 2021-10-23 [all 1 reports]

Readme for hspecVariant-1.0.1.0

[back to package description]

hspecVariant

Spec for testing properties for variant types

{-# LANGUAGE TypeSynonymInstances #-}
import Test.QuickCheck.Variant

type Natural = Integer

instance Variant Natural where
  invalid = do
    n <- arbitrary
    if (n<0) then return n else return ((-1)*(n+1))
  valid = do
    n <- arbitrary
    if (n>=0) then return n else return ((-1)*n)

Test

import Test.QuickCheck
import Test.Hspec
import Test.Hspec.Variant

main::IO ()
main = hspec $
  describe "Naturals" $
    propValid "succ" $
      \x -> succ (x::Natural) > 0