Thanks to visit codestin.com
Credit goes to github.com

Skip to content

ZIO Test: Preserve Original Failure When Shrinks Is Set To Zero #4265

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
Oct 1, 2020
Merged

ZIO Test: Preserve Original Failure When Shrinks Is Set To Zero #4265

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
5 changes: 5 additions & 0 deletions test-tests/shared/src/test/scala/zio/test/TestAspectSpec.scala
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -254,6 +254,11 @@ object TestAspectSpec extends ZIOBaseSpec {
value <- ref.get
} yield assert(value)(equalTo(1))
} @@ shrinks(0),
testM("shrinks preserves the original failure") {
check(Gen.anyInt) { n =>
assert(n)(equalTo(n + 1))
}
} @@ shrinks(0) @@ failing,
testM("timeout makes tests fail after given duration") {
assertM(ZIO.never *> ZIO.unit)(equalTo(()))
} @@ timeout(1.nanos)
Expand Down
2 changes: 1 addition & 1 deletion test/shared/src/main/scala/zio/test/package.scala
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -844,7 +844,7 @@ package object test extends CompileVariants {
stream
.dropWhile(!_.value.fold(_ => true, _.isFailure)) // Drop until we get to a failure
.take(1) // Get the first failure
.flatMap(_.shrinkSearch(_.fold(_ => true, _.isFailure)).take(maxShrinks.toLong))
.flatMap(_.shrinkSearch(_.fold(_ => true, _.isFailure)).take(maxShrinks.toLong + 1))
.run(ZSink.collectAll[Either[E, TestResult]]) // Collect all the shrunken values
.flatMap { shrinks =>
// Get the "last" failure, the smallest according to the shrinker:
Expand Down