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It would be nice if you could write something like this in Kotlin when working with JUnit Jupiter.
@TestFactory
fun`dynamic tests returned as Kotlin sequence`() = generateSequence(0) { it +2 }
.map { dynamicTest("$it should be even") { assertTrue(it %2==0) } }
.take(10)
Currently you have to add .toIterable() as an extra line to make it work with JUnit Jupiter.
The Kotlin Sequence class is an example of an iterator providing class, but it is not an Iterable. That's why it does not work as return type for @TestFactory methods at the moment.
A benefit of adding this at this low level is that, Kotlin Sequences, or any other Iterator or Spliterator providing class can now also be used in other JUnit Jupiter methods where an object from an annotated method needs to be converted to a stream.
I would like to contribute to JUnit 5 and make a pull request for this branch, but I don't have push permission yet for a feature branch in the JUnit 5 project.
Could you please be so kind to take a look at the suggestion I provided?
Thanks in advance! I'm awaiting your response :)
Deliverables
Adding support for converting iterator providing classes to a stream in org.junit.platform.commons.util.CollectionUtils.
Adding support for converting Spliterator providing classes to a stream in org.junit.platform.commons.util.CollectionUtils.
The text was updated successfully, but these errors were encountered:
hanszt
changed the title
Add kotlin sequence support for @testfactory methods
Add kotlin Sequence support for @TestFactory annotated methods
Jul 2, 2023
Examples of benefits:
- Kotlin Sequence support for @testfactory
- Kotlin Sequence support for @MethodSource
- Classes that expose an Iterator returning method,
can be converted to a stream.
Issue: junit-team#3376
I hereby agree to the terms of the JUnit Contributor License Agreement.
sbrannen
changed the title
Add kotlin Sequence support for @TestFactory annotated methods
Add Kotlin Sequence support for @TestFactory methods
Jun 2, 2024
Overview
It would be nice if you could write something like this in Kotlin when working with JUnit Jupiter.
Currently you have to add
.toIterable()
as an extra line to make it work with JUnit Jupiter.The Kotlin
Sequence
class is an example of an iterator providing class, but it is not anIterable
. That's why it does not work as return type for@TestFactory
methods at the moment.A benefit of adding this at this low level is that, Kotlin Sequences, or any other
Iterator
orSpliterator
providing class can now also be used in other JUnit Jupiter methods where an object from an annotated method needs to be converted to a stream.I have an implementation for it ready. see:
Suggestion
All tests still pass.
I would like to contribute to JUnit 5 and make a pull request for this branch, but I don't have push permission yet for a feature branch in the JUnit 5 project.
Could you please be so kind to take a look at the suggestion I provided?
Thanks in advance! I'm awaiting your response :)
Deliverables
org.junit.platform.commons.util.CollectionUtils
.Spliterator
providing classes to a stream inorg.junit.platform.commons.util.CollectionUtils
.The text was updated successfully, but these errors were encountered: