Migrate from Scalatest to MUnit

build.sbt

@@ -17,10 +17,14 @@ val Scala3    = "3.3.7"
 val CatsVersion        = "2.13.0"
 val CirceVersionV0_14  = "0.14.15"
 val PureConfigV0_17    = "0.17.8"
-val ScalaTestVersion   = "3.2.20"
+val MUnitVersion       = "1.2.4"
 val Shapeless2xVersion = "2.3.12"
 val Shapeless3xVersion = "3.4.1"
 
+def munitTestDependency = Def.setting {
+  "org.scalameta" %%% "munit" % MUnitVersion % Test
+}
+
 // ---------------------------------------------------------------------------
 // Commands
 
@@ -29,8 +33,8 @@ addCommandAlias("ci-test",     ";clean;Test/compile;test;mimaReportBinaryIssues;
 addCommandAlias("ci-doc",      s";project root ;++$Scala3! ;clean ;unidoc")
 addCommandAlias("ci",          ";project root ;reload ;+ci-test ;ci-doc")
 addCommandAlias("ci-release",  ";+publishSigned ;sonatypeBundleRelease")
-addCommandAlias( 
-  "ci-publish-local", 
+addCommandAlias(
+  "ci-publish-local",
   "+publishLocalSigned"
 )
 
@@ -70,6 +74,12 @@ lazy val sharedSettings = Seq(
   // https://www.scala-lang.org/blog/2021/02/16/preventing-version-conflicts-with-versionscheme.html
   versionScheme := Some("early-semver"),
 
+  libraryDependencySchemes ++= Seq(
+    "org.scala-native" % "test-interface_native0.5_3" % "early-semver",
+    "org.scala-native" % "test-interface_native0.5_2.13" % "early-semver",
+    "org.scala-native" % "test-interface_native0.5_2.12" % "early-semver",
+  ),
+
   // Turning off fatal warnings for doc generation
   Compile / doc / tpolecatExcludeOptions ++= ScalacOptions.defaultConsoleExclude,
 
@@ -265,8 +275,8 @@ lazy val core = crossProject(JSPlatform, JVMPlatform, NativePlatform)
     libraryDependencies ++= Seq(
       // https://typelevel.org/cats/
       "org.typelevel" %%% "cats-core" % CatsVersion % Test,
-      // https://github.com/scalatest/scalatest
-      "org.scalatest" %%% "scalatest" % ScalaTestVersion % Test,
+      // https://scalameta.org/munit/
+      munitTestDependency.value,
     ),
     // Version specific dependencies
     libraryDependencies ++= (CrossVersion.partialVersion(scalaVersion.value) match {
@@ -291,7 +301,7 @@ lazy val coreNative = core.native
 def integrationSharedSettings(other: Setting[_]*) =
   other ++ Seq(
     libraryDependencies ++= Seq(
-      "org.scalatest" %%% "scalatest" % ScalaTestVersion % Test,
+      munitTestDependency.value,
     ),
   ) ++ Seq(Compile, Test).map { sc =>
     (sc / unmanagedSourceDirectories) ++= {

core/shared/src/test/scala/monix/newtypes/BuildFailureSuite.scala

@@ -17,9 +17,9 @@
 
 package monix.newtypes
 
-import org.scalatest.funsuite.AnyFunSuite
+import munit.FunSuite
 
-class BuildFailureSuite extends AnyFunSuite {
+class BuildFailureSuite extends FunSuite {
   test("toReadableString") {
     val bf = BuildFailure[List[String]]("empty list")
     assert(bf.toReadableString == "Invalid List[String] — empty list")

core/shared/src/test/scala/monix/newtypes/NewsubtypeCovariantKSuite.scala

@@ -19,10 +19,10 @@ package monix.newtypes
 
 import cats.implicits._
 import cats.{Eq, Monad, Traverse}
-import org.scalatest.funsuite.AnyFunSuite
+import munit.FunSuite
 import monix.newtypes.TestUtils.illTyped
 
-class NewsubtypeCovariantKSuite extends AnyFunSuite {
+class NewsubtypeCovariantKSuite extends FunSuite {
   import NewsubtypeCovariantKSuite._
 
   test("it compiles") {

core/shared/src/test/scala/monix/newtypes/NewsubtypeKSuite.scala

@@ -19,10 +19,10 @@ package monix.newtypes
 
 import cats.implicits._
 import cats.{Eq, Monad, Traverse}
-import org.scalatest.funsuite.AnyFunSuite
+import munit.FunSuite
 import monix.newtypes.TestUtils.illTyped
 
-class NewsubtypeKSuite extends AnyFunSuite {
+class NewsubtypeKSuite extends FunSuite {
   import NewsubtypeKSuite._
 
   test("it compiles") {

core/shared/src/test/scala/monix/newtypes/NewsubtypeValidatedSuite.scala

@@ -17,23 +17,23 @@
 
 package monix.newtypes
 
-import org.scalatest.funsuite.AnyFunSuite
+import munit.FunSuite
 import monix.newtypes.TestUtils.illTyped
 
-class NewsubtypeValidatedSuite extends AnyFunSuite {
+class NewsubtypeValidatedSuite extends FunSuite {
   import NewsubtypeValidatedSuite._
 
   test("validation") {
     EmailAddress("noreply@alexn.org") match {
       case Right(ref @ EmailAddress(str)) =>
-        assert(ref === EmailAddress.unsafe("noreply@alexn.org"))
-        assert(str === "noreply@alexn.org")
+        assertEquals(ref, EmailAddress.unsafe("noreply@alexn.org"))
+        assertEquals(str, "noreply@alexn.org")
       case other =>
         fail(s"Unexpected match: $other")
     }
 
     EmailAddress("not a valid email") match {
-      case Left(BuildFailure(_, _)) => succeed
+      case Left(BuildFailure(_, _)) => ()
       case other => fail(s"Unexpected value: $other")
     }
   }
@@ -42,8 +42,8 @@ class NewsubtypeValidatedSuite extends AnyFunSuite {
     val ea1 = EmailAddress.unsafe("noreply@alexn.org")
     ea1 match {
       case ref @ EmailAddress(v) =>
-        assert(ref === ea1)
-        assert(v === ea1)
+        assertEquals(ref, ea1)
+        assertEquals[Any, Any](v, ea1)
     }
 
     illTyped(

core/shared/src/test/scala/monix/newtypes/NewsubtypeWrappedSuite.scala

@@ -18,10 +18,10 @@
 package monix.newtypes
 
 import cats.Eq
-import org.scalatest.funsuite.AnyFunSuite
+import munit.FunSuite
 import monix.newtypes.TestUtils.illTyped
 
-class NewsubtypeWrappedSuite extends AnyFunSuite {
+class NewsubtypeWrappedSuite extends FunSuite {
   import NewsubtypeWrappedSuite._
 
   test("it compiles") {
@@ -49,8 +49,8 @@ class NewsubtypeWrappedSuite extends AnyFunSuite {
     val n = YourName("Alex")
     n match {
       case ref @ YourName(src) =>
-        assert(ref === n)
-        assert(src === n.value)
+        assertEquals(ref, n)
+        assertEquals(src, n.value)
     }
 
     illTyped(

core/shared/src/test/scala/monix/newtypes/NewtypeCovariantKSuite.scala

@@ -19,10 +19,10 @@ package monix.newtypes
 
 import cats.implicits._
 import cats.{Eq, Monad, Traverse}
-import org.scalatest.funsuite.AnyFunSuite
+import munit.FunSuite
 import monix.newtypes.TestUtils.illTyped
 
-class NewtypeCovariantKSuite extends AnyFunSuite {
+class NewtypeCovariantKSuite extends FunSuite {
   import NewtypeCovariantKSuite._
 
   test("it compiles") {

core/shared/src/test/scala/monix/newtypes/NewtypeKSuite.scala

@@ -19,10 +19,10 @@ package monix.newtypes
 
 import cats.implicits._
 import cats.{Eq, Monad, Traverse}
-import org.scalatest.funsuite.AnyFunSuite
+import munit.FunSuite
 import monix.newtypes.TestUtils.illTyped
 
-class NewtypeKSuite extends AnyFunSuite {
+class NewtypeKSuite extends FunSuite {
   import NewtypeKSuite._
 
   test("it compiles") {

core/shared/src/test/scala/monix/newtypes/NewtypeSuite.scala

@@ -18,10 +18,10 @@
 package monix.newtypes
 
 import cats.Eq
-import org.scalatest.funsuite.AnyFunSuite
+import munit.FunSuite
 import monix.newtypes.TestUtils.illTyped
 
-class NewtypeSuite extends AnyFunSuite {
+class NewtypeSuite extends FunSuite {
   import NewtypeSuite._
 
   test("it compiles") {

core/shared/src/test/scala/monix/newtypes/NewtypeValidatedSuite.scala

@@ -17,22 +17,22 @@
 
 package monix.newtypes
 
-import org.scalatest.funsuite.AnyFunSuite
+import munit.FunSuite
 import monix.newtypes.TestUtils.illTyped
 
-class NewtypeValidatedSuite extends AnyFunSuite {
+class NewtypeValidatedSuite extends FunSuite {
   import NewtypeValidatedSuite._
 
   test("validation") {
     EmailAddress("noreply@alexn.org") match {
       case Right(ref @ EmailAddress(str)) =>
-        assert(ref === EmailAddress.unsafe("noreply@alexn.org"))
-        assert(str === "noreply@alexn.org")
+        assertEquals(ref, EmailAddress.unsafe("noreply@alexn.org"))
+        assertEquals(str, "noreply@alexn.org")
       case other =>
         fail(s"Unexpected match: $other")
     }
     EmailAddress("not a valid email") match {
-      case Left(BuildFailure(_, _)) => succeed
+      case Left(BuildFailure(_, _)) => ()
       case other => fail(s"Unexpected value: $other")
     }
   }
@@ -41,8 +41,8 @@ class NewtypeValidatedSuite extends AnyFunSuite {
     val ea1 = EmailAddress.unsafe("noreply@alexn.org")
     ea1 match {
       case ref @ EmailAddress(v) =>
-        assert(ref === ea1)
-        assert(v === ea1)
+        assertEquals(ref, ea1)
+        assertEquals[Any, Any](v, ea1)
     }
 
     illTyped(

core/shared/src/test/scala/monix/newtypes/NewtypeWrappedSuite.scala

@@ -18,10 +18,10 @@
 package monix.newtypes
 
 import cats.Eq
-import org.scalatest.funsuite.AnyFunSuite
+import munit.FunSuite
 import monix.newtypes.TestUtils.illTyped
 
-class NewtypeWrappedSuite extends AnyFunSuite {
+class NewtypeWrappedSuite extends FunSuite {
   import NewtypeWrappedSuite._
 
   test("it compiles") {
@@ -50,8 +50,8 @@ class NewtypeWrappedSuite extends AnyFunSuite {
     val n = MyName("Alex")
     n match {
       case ref @ MyName(src) =>
-        assert(ref === n)
-        assert(src === n.value)
+        assertEquals(ref, n)
+        assertEquals(src, n.value)
     }
 
     illTyped(

core/shared/src/test/scala/monix/newtypes/TypeInfoSuite.scala

@@ -17,9 +17,9 @@
 
 package monix.newtypes
 
-import org.scalatest.funsuite.AnyFunSuite
+import munit.FunSuite
 
-class TypeInfoSuite extends AnyFunSuite {
+class TypeInfoSuite extends FunSuite {
   def x = 1
   class Foo { def foo = x }
 

integration-circe/all/shared/src/test/scala/monix/newtypes/integrations/NewsubtypeCirceCodecSuite.scala

@@ -21,9 +21,9 @@ package integrations
 import io.circe.{ Encoder, Decoder }
 import io.circe.syntax._
 import io.circe.parser
-import org.scalatest.funsuite.AnyFunSuite
+import munit.FunSuite
 
-class NewsubtypeCirceCodecSuite extends AnyFunSuite {
+class NewsubtypeCirceCodecSuite extends FunSuite {
   import NewsubtypeCirceCodecSuite._
 
   test("NewsubtypeWrapped[String] with DerivedCirceEncoder") {

integration-circe/all/shared/src/test/scala/monix/newtypes/integrations/NewtypeCirceCodecSuite.scala

@@ -20,9 +20,9 @@ package integrations
 
 import io.circe.syntax._
 import io.circe.parser
-import org.scalatest.funsuite.AnyFunSuite
+import munit.FunSuite
 
-class NewtypeCirceCodecSuite extends AnyFunSuite {
+class NewtypeCirceCodecSuite extends FunSuite {
   import NewtypeCirceCodecSuite._
 
   test("NewtypeWrapped has JSON codec") {

integration-circe/all/shared/src/test/scala/monix/newtypes/integrations/NewtypeKCirceCodecSuite.scala

@@ -18,12 +18,12 @@
 package monix.newtypes
 package integrations
 
-import org.scalatest.funsuite.AnyFunSuite
+import munit.FunSuite
 import io.circe.{ Encoder, Decoder }
 import io.circe.parser.parse
 import io.circe.syntax._
 
-class NewtypeKCirceEncoderSuite extends AnyFunSuite {
+class NewtypeKCirceEncoderSuite extends FunSuite {
   import NewtypeKCirceCodecSuite._
 
   test("NewtypeK with DerivedCirceEncoder") {

integration-pureconfig/all/shared/src/test/scala/monix/newtypes/integrations/NewsubtypeCirceCodecSuite.scala

@@ -18,9 +18,9 @@
 package monix.newtypes
 package integrations
 
-import org.scalatest.funsuite.AnyFunSuite
+import munit.FunSuite
 
-class NewsubtypePureConfigCodecSuite extends AnyFunSuite {
+class NewsubtypePureConfigCodecSuite extends FunSuite {
   import NewsubtypeCirceCodecSuite._
 
   test("NewsubtypeWrapped has JSON codec") {

integration-pureconfig/all/shared/src/test/scala/monix/newtypes/integrations/NewtypeCirceCodecSuite.scala

@@ -18,9 +18,9 @@
 package monix.newtypes
 package integrations
 
-import org.scalatest.funsuite.AnyFunSuite
+import munit.FunSuite
 
-class NewtypePureConfigCodecSuite extends AnyFunSuite {
+class NewtypePureConfigCodecSuite extends FunSuite {
   import NewtypeCirceCodecSuite._
 
   test("NewtypeWrapped has JSON codec") {

integration-pureconfig/all/shared/src/test/scala/monix/newtypes/integrations/NewtypeKCirceCodecSuite.scala

@@ -18,9 +18,9 @@
 package monix.newtypes
 package integrations
 
-import org.scalatest.funsuite.AnyFunSuite
+import munit.FunSuite
 
-class NewtypeKCirceEncoderSuite extends AnyFunSuite {
+class NewtypeKCirceEncoderSuite extends FunSuite {
   import NewtypeKCirceCodecSuite._
 
   test("NewtypeK with DerivedPureConfigConvert") {