This is an automated email from the ASF dual-hosted git repository.

ggregory pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/commons-io.git


The following commit(s) were added to refs/heads/master by this push:
     new 4373928  [IO-632] Add PathUtils for operations on NIO Path.
4373928 is described below

commit 437392898ad91b3234da87d9225abadb4ca0ebad
Author: Gary Gregory <gardgreg...@gmail.com>
AuthorDate: Fri Oct 11 13:21:09 2019 -0400

    [IO-632] Add PathUtils for operations on NIO Path.
    
    Fix test class name and all delete(Path). 100% JaCoCo coverage for the
    whole package.
---
 .../commons/io/file/CountingPathFileVisitor.java   | 29 +++++----
 ...ountingPathFileVisitor.java => PathCounts.java} | 30 ++--------
 .../java/org/apache/commons/io/file/PathUtils.java | 56 ++++++++++++++++--
 .../org/apache/commons/io/file/PathCountsTest.java | 38 ++++++++++++
 .../commons/io/file/PathUtilsCountingTest.java     | 26 ++++-----
 ...Test.java => PathUtilsDeleteDirectoryTest.java} | 64 ++++++++++----------
 ...sitorTest.java => PathUtilsDeleteFileTest.java} | 67 ++++++++++-----------
 ...leVisitorTest.java => PathUtilsDeleteTest.java} | 68 +++++++++++-----------
 8 files changed, 225 insertions(+), 153 deletions(-)

diff --git 
a/src/main/java/org/apache/commons/io/file/CountingPathFileVisitor.java 
b/src/main/java/org/apache/commons/io/file/CountingPathFileVisitor.java
index b7e71d6..6c5085e 100644
--- a/src/main/java/org/apache/commons/io/file/CountingPathFileVisitor.java
+++ b/src/main/java/org/apache/commons/io/file/CountingPathFileVisitor.java
@@ -22,7 +22,6 @@ import java.nio.file.FileVisitResult;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.attribute.BasicFileAttributes;
-import java.util.concurrent.atomic.AtomicLong;
 
 /**
  * Counts files, directories, and sizes, as a visit proceeds.
@@ -31,9 +30,7 @@ import java.util.concurrent.atomic.AtomicLong;
  */
 public class CountingPathFileVisitor extends SimplePathFileVisitor {
 
-    private final AtomicLong byteCount = new AtomicLong();
-    private final AtomicLong directoryCount = new AtomicLong();
-    private final AtomicLong fileCount = new AtomicLong();
+    private final PathCounts pathCounts = new PathCounts();
 
     /**
      * Gets the byte count of visited files.
@@ -41,7 +38,7 @@ public class CountingPathFileVisitor extends 
SimplePathFileVisitor {
      * @return the byte count of visited files.
      */
     public long getByteCount() {
-        return this.byteCount.get();
+        return this.pathCounts.byteCount.get();
     }
 
     /**
@@ -50,7 +47,7 @@ public class CountingPathFileVisitor extends 
SimplePathFileVisitor {
      * @return the count of visited directories.
      */
     public long getDirectoryCount() {
-        return this.directoryCount.get();
+        return this.pathCounts.directoryCount.get();
     }
 
     /**
@@ -59,26 +56,34 @@ public class CountingPathFileVisitor extends 
SimplePathFileVisitor {
      * @return the byte count of visited files.
      */
     public long getFileCount() {
-        return this.fileCount.get();
+        return this.pathCounts.fileCount.get();
+    }
+
+    /**
+     * Gets the visitation counts.
+     *
+     * @return the visitation counts.
+     */
+    public PathCounts getPathCounts() {
+        return pathCounts;
     }
 
     @Override
     public FileVisitResult postVisitDirectory(final Path dir, final 
IOException exc) throws IOException {
-        directoryCount.incrementAndGet();
+        pathCounts.directoryCount.incrementAndGet();
         return FileVisitResult.CONTINUE;
     }
 
     @Override
     public String toString() {
-        return String.format("%,d files in %,d directories for %,d bytes", 
Long.valueOf(fileCount.longValue()),
-                Long.valueOf(directoryCount.longValue()), 
Long.valueOf(byteCount.longValue()));
+        return pathCounts.toString();
     }
 
     @Override
     public FileVisitResult visitFile(final Path file, final 
BasicFileAttributes attrs) throws IOException {
         if (Files.exists(file)) {
-            fileCount.incrementAndGet();
-            byteCount.addAndGet(attrs.size());
+            pathCounts.fileCount.incrementAndGet();
+            pathCounts.byteCount.addAndGet(attrs.size());
         }
         return FileVisitResult.CONTINUE;
     }
diff --git 
a/src/main/java/org/apache/commons/io/file/CountingPathFileVisitor.java 
b/src/main/java/org/apache/commons/io/file/PathCounts.java
similarity index 62%
copy from src/main/java/org/apache/commons/io/file/CountingPathFileVisitor.java
copy to src/main/java/org/apache/commons/io/file/PathCounts.java
index b7e71d6..1b2c7b3 100644
--- a/src/main/java/org/apache/commons/io/file/CountingPathFileVisitor.java
+++ b/src/main/java/org/apache/commons/io/file/PathCounts.java
@@ -17,11 +17,6 @@
 
 package org.apache.commons.io.file;
 
-import java.io.IOException;
-import java.nio.file.FileVisitResult;
-import java.nio.file.Files;
-import java.nio.file.Path;
-import java.nio.file.attribute.BasicFileAttributes;
 import java.util.concurrent.atomic.AtomicLong;
 
 /**
@@ -29,11 +24,11 @@ import java.util.concurrent.atomic.AtomicLong;
  *
  * @since 2.7
  */
-public class CountingPathFileVisitor extends SimplePathFileVisitor {
+public class PathCounts {
 
-    private final AtomicLong byteCount = new AtomicLong();
-    private final AtomicLong directoryCount = new AtomicLong();
-    private final AtomicLong fileCount = new AtomicLong();
+    final AtomicLong byteCount = new AtomicLong();
+    final AtomicLong directoryCount = new AtomicLong();
+    final AtomicLong fileCount = new AtomicLong();
 
     /**
      * Gets the byte count of visited files.
@@ -63,24 +58,9 @@ public class CountingPathFileVisitor extends 
SimplePathFileVisitor {
     }
 
     @Override
-    public FileVisitResult postVisitDirectory(final Path dir, final 
IOException exc) throws IOException {
-        directoryCount.incrementAndGet();
-        return FileVisitResult.CONTINUE;
-    }
-
-    @Override
     public String toString() {
-        return String.format("%,d files in %,d directories for %,d bytes", 
Long.valueOf(fileCount.longValue()),
+        return String.format("%,d files, %,d directories, %,d bytes", 
Long.valueOf(fileCount.longValue()),
                 Long.valueOf(directoryCount.longValue()), 
Long.valueOf(byteCount.longValue()));
     }
 
-    @Override
-    public FileVisitResult visitFile(final Path file, final 
BasicFileAttributes attrs) throws IOException {
-        if (Files.exists(file)) {
-            fileCount.incrementAndGet();
-            byteCount.addAndGet(attrs.size());
-        }
-        return FileVisitResult.CONTINUE;
-    }
-
 }
diff --git a/src/main/java/org/apache/commons/io/file/PathUtils.java 
b/src/main/java/org/apache/commons/io/file/PathUtils.java
index 547e86d..949a7a3 100644
--- a/src/main/java/org/apache/commons/io/file/PathUtils.java
+++ b/src/main/java/org/apache/commons/io/file/PathUtils.java
@@ -21,6 +21,7 @@ import java.io.IOException;
 import java.nio.file.DirectoryStream;
 import java.nio.file.FileVisitor;
 import java.nio.file.Files;
+import java.nio.file.NotDirectoryException;
 import java.nio.file.Path;
 
 /**
@@ -37,10 +38,52 @@ public final class PathUtils {
      * @return The visitor used to count the given directory.
      * @throws IOException if an I/O error is thrown by a visitor method.
      */
-    public static CountingPathFileVisitor countDirectory(final Path directory) 
throws IOException {
-        return visitFileTree(directory, new CountingPathFileVisitor());
+    public static PathCounts countDirectory(final Path directory) throws 
IOException {
+        return visitFileTree(directory, new 
CountingPathFileVisitor()).getPathCounts();
     }
-    
+
+    /**
+     * Deletes a file or directory. If the path is a directory, delete it and 
all sub-directories.
+     * <p>
+     * The difference between File.delete() and this method are:
+     * </p>
+     * <ul>
+     * <li>A directory to delete does not have to be empty.</li>
+     * <li>You get exceptions when a file or directory cannot be deleted; 
{@link java.io.File#delete()} returns a
+     * boolean.
+     * </ul>
+     *
+     * @param path file or directory to delete, must not be {@code null}
+     * @return The visitor used to delete the given directory.
+     * @throws NullPointerException if the directory is {@code null}
+     * @throws IOException if an I/O error is thrown by a visitor method or if 
an I/O error occurs.
+     */
+    public static PathCounts delete(final Path path) throws IOException {
+        return Files.isDirectory(path) ? deleteDirectory(path) : 
deleteFile(path);
+    }
+
+    /**
+     * Deletes the given file.
+     *
+     * @param file The file to delete.
+     * @return A visitor with path counts set to 1 file, 0 directories, and 
the size of the deleted file.
+     * @throws IOException if an I/O error occurs.
+     * @throws NotDirectoryException if the file is a directory.
+     */
+    public static PathCounts deleteFile(final Path file) throws IOException {
+        if (Files.isDirectory(file)) {
+            throw new NotDirectoryException(file.toString());
+        }
+        final PathCounts pathCounts = new PathCounts();
+        final long size = Files.exists(file) ? Files.size(file) : 0;
+        if (Files.deleteIfExists(file)) {
+            pathCounts.fileCount.set(1);
+            pathCounts.directoryCount.set(0);
+            pathCounts.byteCount.set(size);
+        }
+        return pathCounts;
+    }
+
     /**
      * Deletes a directory including sub-directories.
      *
@@ -48,8 +91,8 @@ public final class PathUtils {
      * @return The visitor used to delete the given directory.
      * @throws IOException if an I/O error is thrown by a visitor method.
      */
-    public static DeletingPathFileVisitor deleteDirectory(final Path 
directory) throws IOException {
-        return visitFileTree(directory, new DeletingPathFileVisitor());
+    public static PathCounts deleteDirectory(final Path directory) throws 
IOException {
+        return visitFileTree(directory, new 
DeletingPathFileVisitor()).getPathCounts();
     }
 
     /**
@@ -108,6 +151,9 @@ public final class PathUtils {
         return visitor;
     }
 
+    /**
+     * Does allow to instantiate.
+     */
     private PathUtils() {
         // do not instantiate.
     }
diff --git a/src/test/java/org/apache/commons/io/file/PathCountsTest.java 
b/src/test/java/org/apache/commons/io/file/PathCountsTest.java
new file mode 100644
index 0000000..40292c6
--- /dev/null
+++ b/src/test/java/org/apache/commons/io/file/PathCountsTest.java
@@ -0,0 +1,38 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.commons.io.file;
+
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+public class PathCountsTest {
+
+    @Test
+    public void testCtor() {
+        final PathCounts pathCounts = new PathCounts();
+        Assertions.assertEquals(pathCounts.getByteCount(), 0);
+        Assertions.assertEquals(pathCounts.getDirectoryCount(), 0);
+        Assertions.assertEquals(pathCounts.getFileCount(), 0);
+    }
+
+    @Test
+    public void testToString() {
+        // Does not blow up
+        new PathCounts().toString();
+    }
+}
diff --git 
a/src/test/java/org/apache/commons/io/file/PathUtilsCountingTest.java 
b/src/test/java/org/apache/commons/io/file/PathUtilsCountingTest.java
index c2c279c..57fe890 100644
--- a/src/test/java/org/apache/commons/io/file/PathUtilsCountingTest.java
+++ b/src/test/java/org/apache/commons/io/file/PathUtilsCountingTest.java
@@ -46,10 +46,10 @@ public class PathUtilsCountingTest {
     public void testCountEmptyFolder() throws IOException {
         final Path tempDirectory = 
Files.createTempDirectory(getClass().getCanonicalName());
         try {
-            final CountingPathFileVisitor visitor = 
PathUtils.countDirectory(tempDirectory);
-            Assertions.assertEquals(1, visitor.getDirectoryCount());
-            Assertions.assertEquals(0, visitor.getFileCount());
-            Assertions.assertEquals(0, visitor.getByteCount());
+            final PathCounts pathCounts = 
PathUtils.countDirectory(tempDirectory);
+            Assertions.assertEquals(1, pathCounts.getDirectoryCount());
+            Assertions.assertEquals(0, pathCounts.getFileCount());
+            Assertions.assertEquals(0, pathCounts.getByteCount());
         } finally {
             Files.deleteIfExists(tempDirectory);
         }
@@ -60,11 +60,11 @@ public class PathUtilsCountingTest {
      */
     @Test
     public void testCountFolders1FileSize0() throws IOException {
-        final CountingPathFileVisitor visitor = PathUtils
+        final PathCounts pathCounts = PathUtils
                 
.countDirectory(Paths.get("src/test/resources/org/apache/commons/io/dirs-1-file-size-0"));
-        Assertions.assertEquals(1, visitor.getDirectoryCount());
-        Assertions.assertEquals(1, visitor.getFileCount());
-        Assertions.assertEquals(0, visitor.getByteCount());
+        Assertions.assertEquals(1, pathCounts.getDirectoryCount());
+        Assertions.assertEquals(1, pathCounts.getFileCount());
+        Assertions.assertEquals(0, pathCounts.getByteCount());
     }
 
     /**
@@ -72,7 +72,7 @@ public class PathUtilsCountingTest {
      */
     @Test
     public void testCountFolders1FileSize1() throws IOException {
-        final CountingPathFileVisitor visitor = PathUtils
+        final PathCounts visitor = PathUtils
                 
.countDirectory(Paths.get("src/test/resources/org/apache/commons/io/dirs-1-file-size-1"));
         Assertions.assertEquals(1, visitor.getDirectoryCount());
         Assertions.assertEquals(1, visitor.getFileCount());
@@ -84,10 +84,10 @@ public class PathUtilsCountingTest {
      */
     @Test
     public void testCountFolders2FileSize2() throws IOException {
-        final CountingPathFileVisitor visitor = PathUtils
+        final PathCounts pathCounts = PathUtils
                 
.countDirectory(Paths.get("src/test/resources/org/apache/commons/io/dirs-2-file-size-2"));
-        Assertions.assertEquals(3, visitor.getDirectoryCount());
-        Assertions.assertEquals(2, visitor.getFileCount());
-        Assertions.assertEquals(2, visitor.getByteCount());
+        Assertions.assertEquals(3, pathCounts.getDirectoryCount());
+        Assertions.assertEquals(2, pathCounts.getFileCount());
+        Assertions.assertEquals(2, pathCounts.getByteCount());
     }
 }
diff --git 
a/src/test/java/org/apache/commons/io/file/PathUtilsDeletingFileVisitorTest.java
 b/src/test/java/org/apache/commons/io/file/PathUtilsDeleteDirectoryTest.java
similarity index 68%
copy from 
src/test/java/org/apache/commons/io/file/PathUtilsDeletingFileVisitorTest.java
copy to 
src/test/java/org/apache/commons/io/file/PathUtilsDeleteDirectoryTest.java
index bad8c6b..af51754 100644
--- 
a/src/test/java/org/apache/commons/io/file/PathUtilsDeletingFileVisitorTest.java
+++ b/src/test/java/org/apache/commons/io/file/PathUtilsDeleteDirectoryTest.java
@@ -31,7 +31,7 @@ import org.junit.jupiter.api.Test;
 /**
  * Tests {@link DeletingPathFileVisitor}.
  */
-public class PathUtilsDeletingFileVisitorTest {
+public class PathUtilsDeleteDirectoryTest {
 
     private Path tempDirectory;
 
@@ -49,32 +49,16 @@ public class PathUtilsDeletingFileVisitorTest {
     }
 
     /**
-     * Tests an empty folder.
-     */
-    @Test
-    public void testDeleteEmptyDirectory() throws IOException {
-        testDeleteEmptyDirectory(PathUtils.deleteDirectory(tempDirectory));
-        // This will throw if not empty.
-        Files.deleteIfExists(tempDirectory);
-    }
-
-    private void testDeleteEmptyDirectory(final DeletingPathFileVisitor 
visitor) throws IOException {
-        Assertions.assertEquals(1, visitor.getDirectoryCount());
-        Assertions.assertEquals(0, visitor.getFileCount());
-        Assertions.assertEquals(0, visitor.getByteCount());
-    }
-
-    /**
      * Tests a directory with one file of size 0.
      */
     @Test
-    public void testDeleteFolders1FileSize0() throws IOException {
+    public void testDeleteDirectory1FileSize0() throws IOException {
         
FileUtils.copyDirectory(Paths.get("src/test/resources/org/apache/commons/io/dirs-1-file-size-0").toFile(),
                 tempDirectory.toFile());
-        final CountingPathFileVisitor visitor = 
PathUtils.deleteDirectory(tempDirectory);
-        Assertions.assertEquals(1, visitor.getDirectoryCount());
-        Assertions.assertEquals(1, visitor.getFileCount());
-        Assertions.assertEquals(0, visitor.getByteCount());
+        final PathCounts pathCounts = PathUtils.deleteDirectory(tempDirectory);
+        Assertions.assertEquals(1, pathCounts.getDirectoryCount());
+        Assertions.assertEquals(1, pathCounts.getFileCount());
+        Assertions.assertEquals(0, pathCounts.getByteCount());
         // This will throw if not empty.
         Files.deleteIfExists(tempDirectory);
     }
@@ -83,13 +67,13 @@ public class PathUtilsDeletingFileVisitorTest {
      * Tests a directory with one file of size 1.
      */
     @Test
-    public void testDeleteFolders1FileSize1() throws IOException {
+    public void testDeleteDirectory1FileSize1() throws IOException {
         
FileUtils.copyDirectory(Paths.get("src/test/resources/org/apache/commons/io/dirs-1-file-size-1").toFile(),
                 tempDirectory.toFile());
-        final CountingPathFileVisitor visitor = 
PathUtils.deleteDirectory(tempDirectory);
-        Assertions.assertEquals(1, visitor.getDirectoryCount());
-        Assertions.assertEquals(1, visitor.getFileCount());
-        Assertions.assertEquals(1, visitor.getByteCount());
+        final PathCounts pathCounts = PathUtils.deleteDirectory(tempDirectory);
+        Assertions.assertEquals(1, pathCounts.getDirectoryCount());
+        Assertions.assertEquals(1, pathCounts.getFileCount());
+        Assertions.assertEquals(1, pathCounts.getByteCount());
         // This will throw if not empty.
         Files.deleteIfExists(tempDirectory);
     }
@@ -98,14 +82,30 @@ public class PathUtilsDeletingFileVisitorTest {
      * Tests a directory with two subdirectorys, each containing one file of 
size 1.
      */
     @Test
-    public void testDeleteFolders2FileSize2() throws IOException {
+    public void testDeleteDirectory2FileSize2() throws IOException {
         
FileUtils.copyDirectory(Paths.get("src/test/resources/org/apache/commons/io/dirs-2-file-size-2").toFile(),
                 tempDirectory.toFile());
-        final CountingPathFileVisitor visitor = 
PathUtils.deleteDirectory(tempDirectory);
-        Assertions.assertEquals(3, visitor.getDirectoryCount());
-        Assertions.assertEquals(2, visitor.getFileCount());
-        Assertions.assertEquals(2, visitor.getByteCount());
+        final PathCounts pathCounts = PathUtils.deleteDirectory(tempDirectory);
+        Assertions.assertEquals(3, pathCounts.getDirectoryCount());
+        Assertions.assertEquals(2, pathCounts.getFileCount());
+        Assertions.assertEquals(2, pathCounts.getByteCount());
         // This will throw if not empty.
         Files.deleteIfExists(tempDirectory);
     }
+
+    /**
+     * Tests an empty folder.
+     */
+    @Test
+    public void testDeleteEmptyDirectory() throws IOException {
+        testDeleteEmptyDirectory(PathUtils.deleteDirectory(tempDirectory));
+        // This will throw if not empty.
+        Files.deleteIfExists(tempDirectory);
+    }
+
+    private void testDeleteEmptyDirectory(final PathCounts pathCounts) throws 
IOException {
+        Assertions.assertEquals(1, pathCounts.getDirectoryCount());
+        Assertions.assertEquals(0, pathCounts.getFileCount());
+        Assertions.assertEquals(0, pathCounts.getByteCount());
+    }
 }
diff --git 
a/src/test/java/org/apache/commons/io/file/PathUtilsDeletingFileVisitorTest.java
 b/src/test/java/org/apache/commons/io/file/PathUtilsDeleteFileTest.java
similarity index 54%
copy from 
src/test/java/org/apache/commons/io/file/PathUtilsDeletingFileVisitorTest.java
copy to src/test/java/org/apache/commons/io/file/PathUtilsDeleteFileTest.java
index bad8c6b..dfac100 100644
--- 
a/src/test/java/org/apache/commons/io/file/PathUtilsDeletingFileVisitorTest.java
+++ b/src/test/java/org/apache/commons/io/file/PathUtilsDeleteFileTest.java
@@ -19,6 +19,7 @@ package org.apache.commons.io.file;
 
 import java.io.IOException;
 import java.nio.file.Files;
+import java.nio.file.NotDirectoryException;
 import java.nio.file.Path;
 import java.nio.file.Paths;
 
@@ -31,7 +32,7 @@ import org.junit.jupiter.api.Test;
 /**
  * Tests {@link DeletingPathFileVisitor}.
  */
-public class PathUtilsDeletingFileVisitorTest {
+public class PathUtilsDeleteFileTest {
 
     private Path tempDirectory;
 
@@ -49,62 +50,62 @@ public class PathUtilsDeletingFileVisitorTest {
     }
 
     /**
-     * Tests an empty folder.
+     * Tests a directory with one file of size 0.
      */
     @Test
-    public void testDeleteEmptyDirectory() throws IOException {
-        testDeleteEmptyDirectory(PathUtils.deleteDirectory(tempDirectory));
+    public void testDeleteFileDirectory1FileSize0() throws IOException {
+        final String fileName = "file-size-0.bin";
+        FileUtils.copyFileToDirectory(
+                
Paths.get("src/test/resources/org/apache/commons/io/dirs-1-file-size-0/" + 
fileName).toFile(),
+                tempDirectory.toFile());
+        final PathCounts pathCounts = 
PathUtils.deleteFile(tempDirectory.resolve(fileName));
+        Assertions.assertEquals(0, pathCounts.getDirectoryCount());
+        Assertions.assertEquals(1, pathCounts.getFileCount());
+        Assertions.assertEquals(0, pathCounts.getByteCount());
         // This will throw if not empty.
         Files.deleteIfExists(tempDirectory);
     }
 
-    private void testDeleteEmptyDirectory(final DeletingPathFileVisitor 
visitor) throws IOException {
-        Assertions.assertEquals(1, visitor.getDirectoryCount());
-        Assertions.assertEquals(0, visitor.getFileCount());
-        Assertions.assertEquals(0, visitor.getByteCount());
-    }
-
     /**
-     * Tests a directory with one file of size 0.
+     * Tests a directory with one file of size 1.
      */
     @Test
-    public void testDeleteFolders1FileSize0() throws IOException {
-        
FileUtils.copyDirectory(Paths.get("src/test/resources/org/apache/commons/io/dirs-1-file-size-0").toFile(),
+    public void testDeleteFileDirectory1FileSize1() throws IOException {
+        final String fileName = "file-size-1.bin";
+        FileUtils.copyFileToDirectory(
+                
Paths.get("src/test/resources/org/apache/commons/io/dirs-1-file-size-1/" + 
fileName).toFile(),
                 tempDirectory.toFile());
-        final CountingPathFileVisitor visitor = 
PathUtils.deleteDirectory(tempDirectory);
-        Assertions.assertEquals(1, visitor.getDirectoryCount());
-        Assertions.assertEquals(1, visitor.getFileCount());
-        Assertions.assertEquals(0, visitor.getByteCount());
+        final PathCounts pathCounts = 
PathUtils.deleteFile(tempDirectory.resolve(fileName));
+        Assertions.assertEquals(0, pathCounts.getDirectoryCount());
+        Assertions.assertEquals(1, pathCounts.getFileCount());
+        Assertions.assertEquals(1, pathCounts.getByteCount());
         // This will throw if not empty.
         Files.deleteIfExists(tempDirectory);
     }
 
     /**
-     * Tests a directory with one file of size 1.
+     * Tests a file that does not exist.
      */
     @Test
-    public void testDeleteFolders1FileSize1() throws IOException {
-        
FileUtils.copyDirectory(Paths.get("src/test/resources/org/apache/commons/io/dirs-1-file-size-1").toFile(),
-                tempDirectory.toFile());
-        final CountingPathFileVisitor visitor = 
PathUtils.deleteDirectory(tempDirectory);
-        Assertions.assertEquals(1, visitor.getDirectoryCount());
-        Assertions.assertEquals(1, visitor.getFileCount());
-        Assertions.assertEquals(1, visitor.getByteCount());
+    public void testDeleteFileDoesNotExist() throws IOException {
+        
testDeleteFileEmpty(PathUtils.deleteFile(tempDirectory.resolve("file-does-not-exist.bin")));
         // This will throw if not empty.
         Files.deleteIfExists(tempDirectory);
     }
 
+    private void testDeleteFileEmpty(final PathCounts pathCounts) throws 
IOException {
+        Assertions.assertEquals(0, pathCounts.getDirectoryCount(), 
"getDirectoryCount()");
+        Assertions.assertEquals(0, pathCounts.getFileCount(), 
"getFileCount()");
+        Assertions.assertEquals(0, pathCounts.getByteCount(), 
"getByteCount()");
+    }
+
     /**
-     * Tests a directory with two subdirectorys, each containing one file of 
size 1.
+     * Tests an empty folder.
      */
     @Test
-    public void testDeleteFolders2FileSize2() throws IOException {
-        
FileUtils.copyDirectory(Paths.get("src/test/resources/org/apache/commons/io/dirs-2-file-size-2").toFile(),
-                tempDirectory.toFile());
-        final CountingPathFileVisitor visitor = 
PathUtils.deleteDirectory(tempDirectory);
-        Assertions.assertEquals(3, visitor.getDirectoryCount());
-        Assertions.assertEquals(2, visitor.getFileCount());
-        Assertions.assertEquals(2, visitor.getByteCount());
+    public void testDeleteFileEmptyDirectory() throws IOException {
+        Assertions.assertThrows(NotDirectoryException.class,
+                () -> 
testDeleteFileEmpty(PathUtils.deleteFile(tempDirectory)));
         // This will throw if not empty.
         Files.deleteIfExists(tempDirectory);
     }
diff --git 
a/src/test/java/org/apache/commons/io/file/PathUtilsDeletingFileVisitorTest.java
 b/src/test/java/org/apache/commons/io/file/PathUtilsDeleteTest.java
similarity index 54%
rename from 
src/test/java/org/apache/commons/io/file/PathUtilsDeletingFileVisitorTest.java
rename to src/test/java/org/apache/commons/io/file/PathUtilsDeleteTest.java
index bad8c6b..9c70e85 100644
--- 
a/src/test/java/org/apache/commons/io/file/PathUtilsDeletingFileVisitorTest.java
+++ b/src/test/java/org/apache/commons/io/file/PathUtilsDeleteTest.java
@@ -31,7 +31,7 @@ import org.junit.jupiter.api.Test;
 /**
  * Tests {@link DeletingPathFileVisitor}.
  */
-public class PathUtilsDeletingFileVisitorTest {
+public class PathUtilsDeleteTest {
 
     private Path tempDirectory;
 
@@ -49,62 +49,64 @@ public class PathUtilsDeletingFileVisitorTest {
     }
 
     /**
-     * Tests an empty folder.
+     * Tests a directory with one file of size 0.
      */
     @Test
-    public void testDeleteEmptyDirectory() throws IOException {
-        testDeleteEmptyDirectory(PathUtils.deleteDirectory(tempDirectory));
+    public void testDeleteDirectory1FileSize0() throws IOException {
+        final String fileName = "file-size-0.bin";
+        FileUtils.copyFileToDirectory(
+                
Paths.get("src/test/resources/org/apache/commons/io/dirs-1-file-size-0/" + 
fileName).toFile(),
+                tempDirectory.toFile());
+        final PathCounts pathCounts = 
PathUtils.delete(tempDirectory.resolve(fileName));
+        Assertions.assertEquals(0, pathCounts.getDirectoryCount());
+        Assertions.assertEquals(1, pathCounts.getFileCount());
+        Assertions.assertEquals(0, pathCounts.getByteCount());
         // This will throw if not empty.
         Files.deleteIfExists(tempDirectory);
     }
 
-    private void testDeleteEmptyDirectory(final DeletingPathFileVisitor 
visitor) throws IOException {
-        Assertions.assertEquals(1, visitor.getDirectoryCount());
-        Assertions.assertEquals(0, visitor.getFileCount());
-        Assertions.assertEquals(0, visitor.getByteCount());
-    }
-
     /**
-     * Tests a directory with one file of size 0.
+     * Tests a directory with one file of size 1.
      */
     @Test
-    public void testDeleteFolders1FileSize0() throws IOException {
-        
FileUtils.copyDirectory(Paths.get("src/test/resources/org/apache/commons/io/dirs-1-file-size-0").toFile(),
+    public void testDeleteDirectory1FileSize1() throws IOException {
+        final String fileName = "file-size-1.bin";
+        FileUtils.copyFileToDirectory(
+                
Paths.get("src/test/resources/org/apache/commons/io/dirs-1-file-size-1/" + 
fileName).toFile(),
                 tempDirectory.toFile());
-        final CountingPathFileVisitor visitor = 
PathUtils.deleteDirectory(tempDirectory);
-        Assertions.assertEquals(1, visitor.getDirectoryCount());
-        Assertions.assertEquals(1, visitor.getFileCount());
-        Assertions.assertEquals(0, visitor.getByteCount());
+        final PathCounts pathCounts = 
PathUtils.delete(tempDirectory.resolve(fileName));
+        Assertions.assertEquals(0, pathCounts.getDirectoryCount());
+        Assertions.assertEquals(1, pathCounts.getFileCount());
+        Assertions.assertEquals(1, pathCounts.getByteCount());
         // This will throw if not empty.
         Files.deleteIfExists(tempDirectory);
     }
 
     /**
-     * Tests a directory with one file of size 1.
+     * Tests an empty folder.
      */
     @Test
-    public void testDeleteFolders1FileSize1() throws IOException {
-        
FileUtils.copyDirectory(Paths.get("src/test/resources/org/apache/commons/io/dirs-1-file-size-1").toFile(),
-                tempDirectory.toFile());
-        final CountingPathFileVisitor visitor = 
PathUtils.deleteDirectory(tempDirectory);
-        Assertions.assertEquals(1, visitor.getDirectoryCount());
-        Assertions.assertEquals(1, visitor.getFileCount());
-        Assertions.assertEquals(1, visitor.getByteCount());
+    public void testDeleteEmptyDirectory() throws IOException {
+        testDeleteEmptyDirectory(PathUtils.delete(tempDirectory));
         // This will throw if not empty.
         Files.deleteIfExists(tempDirectory);
     }
 
+    private void testDeleteEmptyDirectory(final PathCounts pathCounts) throws 
IOException {
+        Assertions.assertEquals(1, pathCounts.getDirectoryCount(), 
"getDirectoryCount()");
+        Assertions.assertEquals(0, pathCounts.getFileCount(), 
"getFileCount()");
+        Assertions.assertEquals(0, pathCounts.getByteCount(), 
"getByteCount()");
+    }
+
     /**
-     * Tests a directory with two subdirectorys, each containing one file of 
size 1.
+     * Tests a file that does not exist.
      */
     @Test
-    public void testDeleteFolders2FileSize2() throws IOException {
-        
FileUtils.copyDirectory(Paths.get("src/test/resources/org/apache/commons/io/dirs-2-file-size-2").toFile(),
-                tempDirectory.toFile());
-        final CountingPathFileVisitor visitor = 
PathUtils.deleteDirectory(tempDirectory);
-        Assertions.assertEquals(3, visitor.getDirectoryCount());
-        Assertions.assertEquals(2, visitor.getFileCount());
-        Assertions.assertEquals(2, visitor.getByteCount());
+    public void testDeleteFileDoesNotExist() throws IOException {
+        final PathCounts pathCounts = 
PathUtils.deleteFile(tempDirectory.resolve("file-does-not-exist.bin"));
+        Assertions.assertEquals(0, pathCounts.getDirectoryCount());
+        Assertions.assertEquals(0, pathCounts.getFileCount());
+        Assertions.assertEquals(0, pathCounts.getByteCount());
         // This will throw if not empty.
         Files.deleteIfExists(tempDirectory);
     }

Reply via email to