scalacheck-magnolia

License	Apache-2.0
Categories	Scala Languages
GroupId	com.mrdziuban
ArtifactId	scalacheck-magnolia_2.12
Last Version	0.0.4
Release Date	Nov 26, 2019
Type	jar
Description	scalacheck-magnolia scalacheck-magnolia
Project URL	https://github.com/mrdziuban/scalacheck-magnolia
Project Organization	com.mrdziuban
Source Code Management	https://github.com/mrdziuban/scalacheck-magnolia

Download scalacheck-magnolia_2.12

Filename	Size
scalacheck-magnolia_2.12-0.0.4.pom
scalacheck-magnolia_2.12-0.0.4.jar	6 KB
scalacheck-magnolia_2.12-0.0.4-sources.jar	1 KB
scalacheck-magnolia_2.12-0.0.4-javadoc.jar	1 MB

How to add to project

Apache Maven

<!-- https://jarcasting.com/artifacts/com.mrdziuban/scalacheck-magnolia_2.12/ -->
<dependency>
    <groupId>com.mrdziuban</groupId>
    <artifactId>scalacheck-magnolia_2.12</artifactId>
    <version>0.0.4</version>
</dependency>

Gradle Groovy

// https://jarcasting.com/artifacts/com.mrdziuban/scalacheck-magnolia_2.12/
implementation 'com.mrdziuban:scalacheck-magnolia_2.12:0.0.4'

Gradle Kotlin

// https://jarcasting.com/artifacts/com.mrdziuban/scalacheck-magnolia_2.12/
implementation ("com.mrdziuban:scalacheck-magnolia_2.12:0.0.4")

Apache Buildr

'com.mrdziuban:scalacheck-magnolia_2.12:jar:0.0.4'

Apache Ivy

<dependency org="com.mrdziuban" name="scalacheck-magnolia_2.12" rev="0.0.4">
  <artifact name="scalacheck-magnolia_2.12" type="jar" />
</dependency>

Groovy Grape

@Grapes(
@Grab(group='com.mrdziuban', module='scalacheck-magnolia_2.12', version='0.0.4')
)

Scala SBT

libraryDependencies += "com.mrdziuban" % "scalacheck-magnolia_2.12" % "0.0.4"

Leiningen

[com.mrdziuban/scalacheck-magnolia_2.12 "0.0.4"]

Dependencies

compile (3)

Group / Artifact	Type	Version
org.scala-lang : scala-library	jar	2.12.6
org.scalacheck : scalacheck_2.12	jar	1.14.0
com.propensive : magnolia_2.12	jar	0.12.0

Project Modules

There are no modules declared in this project.

scalacheck-magnolia

scalacheck-magnolia performs generic derivation of scalacheck Arbitrary instances for product and sum types, i.e. case classes and ADTs, using Magnolia. Much of the code was inspired by scalacheck-shapeless, which I've found to work reliably, but cause huge compile time increases, especially for deeply nested case classes.

Usage

Add to your build.sbt:

resolvers += Resolver.bintrayRepo("mrdziuban", "scalacheck-magnolia")
libraryDependencies += "com.mrdziuban" %% "scalacheck-magnolia" % "0.2.1"

This will pull in scalacheck 1.14.3 and magnolia 0.16.0.

To materialize Arbitrary instances for your case classes or sealed traits, import com.mrdziuban.ScalacheckMagnolia._. Magnolia can derive Arbitrary instances for case classes

import com.mrdziuban.ScalacheckMagnolia._
import org.scalacheck.Arbitrary

case class Test(i: Int, b: Boolean, s: String)

implicitly[Arbitrary[Test]]

as well as for sealed traits

sealed trait Foo
case object Bar extends Foo
case class Baz(s: String) extends Foo

implicitly[Arbitrary[Foo]]

It can be used in scalacheck property tests like so:

import org.scalacheck.Prop.forAll

forAll((_: Test) => true /* check some properties of Test */)

License

Released under the Apache 2.0 license. See the LICENSE file for more details.

Versions

Version
0.0.4 Nov 26, 2019
0.0.3 Nov 20, 2019
0.0.2 Aug 17, 2018
0.0.1 Aug 17, 2018