Fix testFrameworks integrations

Author: ghostbuster91

munit/src/main/scala/com/softwaremill/diffx/munit/DiffxAssertions.scala

@@ -1,15 +1,14 @@
 package com.softwaremill.diffx.munit
 
-import com.softwaremill.diffx.{ConsoleColorConfig, Diff, DiffResultDifferent}
+import com.softwaremill.diffx.{ConsoleColorConfig, Diff}
 import munit.Assertions._
 import munit.Location
 
 trait DiffxAssertions {
   def assertEqual[T: Diff](t1: T, t2: T)(implicit c: ConsoleColorConfig, loc: Location): Unit = {
     val result = Diff.compare(t1, t2)
-    result match {
-      case different: DiffResultDifferent => fail(different.show())(loc)
-      case _                              => // do nothing
+    if (!result.isIdentical) {
+      fail(result.show())(loc)
     }
   }
 }

scalatest/src/main/scala/com/softwaremill/diffx/scalatest/DiffMatcher.scala

@@ -1,15 +1,16 @@
 package com.softwaremill.diffx.scalatest
 
-import com.softwaremill.diffx.{ConsoleColorConfig, Diff, DiffResultDifferent}
+import com.softwaremill.diffx.{ConsoleColorConfig, Diff}
 import org.scalatest.matchers.{MatchResult, Matcher}
 
 trait DiffMatcher {
   def matchTo[A: Diff](right: A)(implicit c: ConsoleColorConfig): Matcher[A] = { left =>
-    Diff[A].apply(left, right) match {
-      case c: DiffResultDifferent =>
-        val diff = c.show().split('\n').mkString(Console.RESET, s"${Console.RESET}\n${Console.RESET}", Console.RESET)
-        MatchResult(matches = false, s"Matching error:\n$diff", "")
-      case _ => MatchResult(matches = true, "", "")
+    val result = Diff[A].apply(left, right)
+    if (!result.isIdentical) {
+      val diff = result.show().split('\n').mkString(Console.RESET, s"${Console.RESET}\n${Console.RESET}", Console.RESET)
+      MatchResult(matches = false, s"Matching error:\n$diff", "")
+    } else {
+      MatchResult(matches = true, "", "")
     }
   }
 }

specs2/src/main/scala/com/softwaremill/diffx/specs2/DiffMatcher.scala

@@ -1,6 +1,6 @@
 package com.softwaremill.diffx.specs2
 
-import com.softwaremill.diffx.{ConsoleColorConfig, Diff, DiffResultDifferent}
+import com.softwaremill.diffx.{ConsoleColorConfig, Diff}
 import org.specs2.matcher.{Expectable, MatchResult, Matcher}
 
 trait DiffMatcher {
@@ -14,11 +14,13 @@ trait DiffMatcher {
           diff.apply(left.value, right).isIdentical
         },
         okMessage = "",
-        koMessage = diff.apply(left.value, right) match {
-          case c: DiffResultDifferent =>
-            c.show()
-          case _ =>
+        koMessage = {
+          val diffResult = diff.apply(left.value, right)
+          if (!diffResult.isIdentical) {
+            diffResult.show()
+          } else {
             ""
+          }
         },
         left
       )

utest/src/main/scala/com/softwaremill/diffx/utest/DiffxAssertions.scala

@@ -1,15 +1,14 @@
 package com.softwaremill.diffx.utest
 
-import com.softwaremill.diffx.{ConsoleColorConfig, Diff, DiffResultDifferent}
+import com.softwaremill.diffx.{ConsoleColorConfig, Diff}
 import utest.AssertionError
 
 trait DiffxAssertions {
 
   def assertEqual[T: Diff](t1: T, t2: T)(implicit c: ConsoleColorConfig): Unit = {
     val result = Diff.compare(t1, t2)
-    result match {
-      case different: DiffResultDifferent => throw AssertionError(different.show(), Seq.empty, null)
-      case _                              => // do nothing
+    if (!result.isIdentical) {
+      throw AssertionError(result.show(), Seq.empty, null)
     }
   }
 }