Pretty Print Tuples

jvm/scalactic-test/src/test/scala/org/scalactic/PrettifierSpec.scala

@@ -401,19 +401,38 @@ class PrettifierSpec extends funspec.AnyFunSpec with matchers.should.Matchers {
       Prettifier.default(new Fred) shouldBe "It's Fred all the way down"
     }
     // SKIP-DOTTY-END
-    it("should truncate collection when used with Prettifier.truncateAt") {
+
+    case class Person(name: String, age: Int)
+
+    it("should pretty print case class") {
+      val p = Person("John Lee", 35)
+      Prettifier.default(p) should be ("Person(\"John Lee\", 35)")
+    }
+
+    it("should pretty print Tuple") {
+      Prettifier.default(("John Lee", 35)) should be ("(\"John Lee\", 35)")
+    }
+  }
+
+  describe("the truncating Prettifier") {
+    it("should truncate collection") {
       val col = List(1, 2, 3)
       val prettifier = Prettifier.truncateAt(SizeLimit(2))
       prettifier(col) shouldBe "List(1, 2, ...)"
     }
 
     case class CaseClazz(data: List[Int])
 
-    it("should truncate collection inside of a case class when used with Prettifier.truncateAt") {
+    it("should truncate collection inside of a case class") {
       val caseClass = CaseClazz(List(1, 2, 3))
       val prettifier = Prettifier.truncateAt(SizeLimit(2))
       prettifier(caseClass) shouldBe "CaseClazz(List(1, 2, ...))"
     }
+
+    it("should pretty print Tuple") {
+      val prettifier = Prettifier.truncateAt(SizeLimit(2))
+      prettifier(("John Lee", 35)) should be ("(\"John Lee\", 35)")
+    }
   }
 }
 

jvm/scalactic/src/main/scala/org/scalactic/Prettifier.scala

@@ -182,6 +182,8 @@ private[scalactic] class DefaultPrettifier extends Prettifier {
         // overridden so lets use our custom prettifying otherwise we just use .toString.
         if (caseClazz.toString.startsWith(s"${caseClazz.productPrefix}("))
           s"${caseClazz.productPrefix}(" + caseClazz.productIterator.map(prettify(_, processed + caseClazz)).mkString(", ") + ")"
+        else if (caseClazz.productPrefix.startsWith("Tuple"))
+          "(" + caseClazz.productIterator.map(prettify(_, processed + caseClazz)).mkString(", ") + ")"
         else
           caseClazz.toString
       case anythingElse => anythingElse.toString
@@ -288,7 +290,10 @@ private[scalactic] class TruncatingPrettifier(sizeLimit: SizeLimit) extends Defa
         // Unlike in DefaultPrettifier where we check if a custom `.toString` has been overridden, with
         // TruncatingPrettifier the priority is truncating the enclosed data at all costs hence why we always
         // truncate the inner fields.
-        s"${caseClazz.productPrefix}(" + caseClazz.productIterator.map(prettify(_, processed + caseClazz)).mkString(", ") + ")"
+        if (caseClazz.productPrefix.startsWith("Tuple"))
+          s"(" + caseClazz.productIterator.map(prettify(_, processed + caseClazz)).mkString(", ") + ")"
+        else
+          s"${caseClazz.productPrefix}(" + caseClazz.productIterator.map(prettify(_, processed + caseClazz)).mkString(", ") + ")"
       case anythingElse => anythingElse.toString
     }
   }

jvm/scalatest-test/src/test/scala/org/scalatest/AllElementsOfContainMatcherSpec.scala

@@ -28,7 +28,7 @@ class AllElementsOfContainMatcherSpec extends funspec.AnyFunSpec {
     def checkStackDepth(e: exceptions.StackDepthException, left: Any, right: GenTraversable[Any], lineNumber: Int): Unit = {
       val leftText = Prettifier.default(left)
       val rightText = Prettifier.default(right)
-      e.message should be (Some(leftText + " did not contain all elements of " + right))
+      e.message should be (Some(leftText + " did not contain all elements of " + rightText))
       e.failedCodeFileName should be (Some("AllElementsOfContainMatcherSpec.scala"))
       e.failedCodeLineNumber should be (Some(lineNumber))
     }

jvm/scalatest-test/src/test/scala/org/scalatest/AllOfContainMatcherSpec.scala

@@ -30,7 +30,7 @@ class AllOfContainMatcherSpec extends funspec.AnyFunSpec {
 
     def checkStackDepth(e: exceptions.StackDepthException, left: Any, right: GenTraversable[Any], lineNumber: Int): Unit = {
       val leftText = FailureMessages.decorateToStringValue(prettifier, left)
-      e.message should be (Some(leftText + " did not contain all of (" + right.mkString(", ") + ")"))
+      e.message should be (Some(leftText + " did not contain all of (" + right.map(e => FailureMessages.decorateToStringValue(prettifier, e)).mkString(", ") + ")"))
       e.failedCodeFileName should be (Some("AllOfContainMatcherSpec.scala"))
       e.failedCodeLineNumber should be (Some(lineNumber))
     }
@@ -194,7 +194,7 @@ class AllOfContainMatcherSpec extends funspec.AnyFunSpec {
 
     def checkStackDepth(e: exceptions.StackDepthException, left: Any, right: GenTraversable[Any], lineNumber: Int): Unit = {
       val leftText = FailureMessages.decorateToStringValue(prettifier, left)
-      e.message should be (Some(leftText + " contained all of (" + right.mkString(", ") + ")"))
+      e.message should be (Some(leftText + " contained all of (" + right.map(e => FailureMessages.decorateToStringValue(prettifier, e)).mkString(", ") + ")"))
       e.failedCodeFileName should be (Some("AllOfContainMatcherSpec.scala"))
       e.failedCodeLineNumber should be (Some(lineNumber))
     }

jvm/scalatest-test/src/test/scala/org/scalatest/InOrderContainMatcherSpec.scala

@@ -32,7 +32,7 @@ class InOrderContainMatcherSpec extends AnyFunSpec {
 
     def checkStackDepth(e: exceptions.StackDepthException, left: Any, right: GenTraversable[Any], lineNumber: Int): Unit = {
       val leftText = FailureMessages.decorateToStringValue(prettifier, left)
-      e.message should be (Some(leftText + " did not contain all of (" + right.mkString(", ") + ") in order"))
+      e.message should be (Some(leftText + " did not contain all of (" + right.map(e => FailureMessages.decorateToStringValue(prettifier, e)).mkString(", ") + ") in order"))
       e.failedCodeFileName should be (Some("InOrderContainMatcherSpec.scala"))
       e.failedCodeLineNumber should be (Some(lineNumber))
     }
@@ -263,7 +263,7 @@ class InOrderContainMatcherSpec extends AnyFunSpec {
 
     def checkStackDepth(e: exceptions.StackDepthException, left: Any, right: GenTraversable[Any], lineNumber: Int): Unit = {
       val leftText = FailureMessages.decorateToStringValue(prettifier, left)
-      e.message should be (Some(leftText + " contained all of (" + right.mkString(", ") + ") in order"))
+      e.message should be (Some(leftText + " contained all of (" + right.map(e => FailureMessages.decorateToStringValue(prettifier, e)).mkString(", ") + ") in order"))
       e.failedCodeFileName should be (Some("InOrderContainMatcherSpec.scala"))
       e.failedCodeLineNumber should be (Some(lineNumber))
     }

jvm/scalatest-test/src/test/scala/org/scalatest/InOrderOnlyContainMatcherSpec.scala

@@ -33,7 +33,7 @@ class InOrderOnlyContainMatcherSpec extends AnyFunSpec {
 
     def checkStackDepth(e: exceptions.StackDepthException, left: Any, right: GenTraversable[Any], lineNumber: Int): Unit = {
       val leftText = FailureMessages.decorateToStringValue(prettifier, left)
-      e.message should be (Some(leftText + " did not contain only (" + right.mkString(", ") + ") in order"))
+      e.message should be (Some(leftText + " did not contain only (" + right.map(e => FailureMessages.decorateToStringValue(prettifier, e)).mkString(", ") + ") in order"))
       e.failedCodeFileName should be (Some("InOrderOnlyContainMatcherSpec.scala"))
       e.failedCodeLineNumber should be (Some(lineNumber))
     }
@@ -162,7 +162,7 @@ class InOrderOnlyContainMatcherSpec extends AnyFunSpec {
 
     def checkStackDepth(e: exceptions.StackDepthException, left: Any, right: GenTraversable[Any], lineNumber: Int): Unit = {
       val leftText = FailureMessages.decorateToStringValue(prettifier, left)
-      e.message should be (Some(leftText + " contained only (" + right.mkString(", ") + ") in order"))
+      e.message should be (Some(leftText + " contained only (" + right.map(e => FailureMessages.decorateToStringValue(prettifier, e)).mkString(", ") + ") in order"))
       e.failedCodeFileName should be (Some("InOrderOnlyContainMatcherSpec.scala"))
       e.failedCodeLineNumber should be (Some(lineNumber))
     }