could not find implicit value for parameter aggregating

[Andy Czerwonka]

for this line of code

latest must contain theSameElementsAs Map("0" -> readings(2), "1" -> readings(4))

I get

Error:(74, 29) could not find implicit value for parameter aggregating: org.scalatest.enablers.Aggregating[Map[String,models.Reading]]

        latest must contain theSameElementsAs Map("0" -> readings(2), "1" -> readings(4))

[Andy Czerwonka]

My compiler settings are:

scalacOptions in ThisBuild ++= Seq(

  "-language:_",

  "-Ypartial-unification",

  "-Xfatal-warnings"

)

[Andy Czerwonka]

Also, I'm using the PlaySpec

abstract class PlaySpec extends WordSpec with MustMatchers with OptionValues with WsScalaTestClient

On Monday, May 7, 2018 at 3:16:26 PM UTC-6, Andy Czerwonka wrote:

[Andy Czerwonka]

I'm also getting:

Error:(74, 29) not enough arguments for method theSameElementsAs: (implicit aggregating: org.scalatest.enablers.Aggregating[Map[String,models.Reading]])org.scalatest.Assertion.

Unspecified value parameter aggregating.

        latest must contain theSameElementsAs List("0" -> readings(2), "1" -> readings(4))

I feel like I'm missing an import? Or....

On Monday, May 7, 2018 at 3:16:26 PM UTC-6, Andy Czerwonka wrote:

[Andy Czerwonka]

Looks like the culprit is

-Ypartial-unification

I have it turned on because I was using Cats. For more on why I have it on, https://gist.github.com/djspiewak/7a81a395c461fd3a09a6941d4cd040f2

On Monday, May 7, 2018 at 3:16:26 PM UTC-6, Andy Czerwonka wrote:

[LJK]

Hi Andy,

did you manage to fix the issue?

I started having org.scalatest.enablers.Aggregating after i turned on -Ypartial-unification.

Thanks,

Luc

[Bill Venners]

Hi,

FYI, Chee Seng has made a change to address this issue. I need to
study it to make sure I understand what he did, and haven't done that
yet. It is in the branch we are using to get ScalaTest to compiler
under 2.13.0M-4, which I think has partial unification turned on all
the time.

Bill

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[Andy Czerwonka]

Not sure what you mean by "I started having org.scalatest.enablers.Aggregating"

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[LJK]

I mean my Scala Tests stopped compiling with an error "could not find implicit value for parameter aggregating: org.scalatest.enablers.Aggregating" after enabling partial unification.