Cover TreeCopyFileVisitor

hugo/src/main/scala/com/ossuminc/riddl/hugo/utils/TreeCopyFileVisitor.scala

@@ -12,7 +12,7 @@ import java.io.IOException
 import java.nio.file.*
 import java.nio.file.attribute.BasicFileAttributes
 
-/** Unit Tests For TreeCopyFileVisitor */
+/** A FIle Visitor that copies a directory hierarchy*/
 case class TreeCopyFileVisitor(source: Path, target: Path, log: Logger = SysLogger())
     extends SimpleFileVisitor[Path] {
 
@@ -39,11 +39,12 @@ case class TreeCopyFileVisitor(source: Path, target: Path, log: Logger = SysLogg
     FileVisitResult.CONTINUE
   }
 
-  override def visitFileFailed(
+/*  override def visitFileFailed(
     file: Path,
     exc: IOException
   ): FileVisitResult = {
     log.error(s"Unable to copy: $file: $exc\n")
     FileVisitResult.CONTINUE
   }
+ */
 }

hugo/src/test/scala/com/ossuminc/riddl/hugo/utils/TreeCopyFileVisitorTest.scala

@@ -0,0 +1,23 @@
+package com.ossuminc.riddl.hugo.utils
+
+import org.scalatest.matchers.must.Matchers
+import org.scalatest.wordspec.AnyWordSpec
+
+import java.nio.file.Path
+import java.nio.file.Files
+
+class TreeCopyFileVisitorTest extends AnyWordSpec with Matchers {
+
+  "TreeCopyFileVisitor" must {
+    val source = Path.of("hugo/src/test/input")
+    val target: Path = Files.createTempDirectory("TCFV-test")
+    val visitor = TreeCopyFileVisitor(source, target)
+
+    "copies input files" in {
+      Files.createDirectories(target.resolve("regressions")) // To make it delete something
+      val result = Files.walkFileTree(source, visitor)
+      result must be(source)
+      Files.isDirectory(target) must be(true)
+    }
+  }
+}