"deleteAllFilesAndDirectories" deletes directories

Unfortunately "deleteAllFilesAndDirectories" deleted files only because
the method "postVisitDirectory" was not overridden in
a6d2f63.

Fixes #5.

Author: stefanbirkner

README.md

@@ -23,7 +23,7 @@ Fake SFTP Server Rule is available from
     <dependency>
       <groupId>com.github.stefanbirkner</groupId>
       <artifactId>fake-sftp-server-rule</artifactId>
-      <version>1.3.0</version>
+      <version>1.3.1</version>
     </dependency>
 
 

pom.xml

@@ -9,7 +9,7 @@
     </parent>
 
     <artifactId>fake-sftp-server-rule</artifactId>
-    <version>1.3.0</version>
+    <version>1.3.1</version>
     <packaging>jar</packaging>
 
     <name>Fake SFTP Server Rule</name>

src/main/java/com/github/stefanbirkner/fakesftpserver/rule/FakeSftpServerRule.java

@@ -153,7 +153,17 @@ public FileVisitResult visitFile(
                 delete(file);
                 return CONTINUE;
             }
-        };
+
+            @Override
+            public FileVisitResult postVisitDirectory(
+                Path dir,
+                IOException exc
+            ) throws IOException {
+                if (dir.getParent() != null)
+                    delete(dir);
+                return super.postVisitDirectory(dir, exc);
+            }
+    };
     private int port = 23454;
 
     private FileSystem fileSystem;

src/test/java/com/github/stefanbirkner/fakesftpserver/rule/FakeSftpServerRuleTest.java

@@ -841,7 +841,7 @@ public void deletes_directory() {
             FakeSftpServerRule sftpServer = new FakeSftpServerRule();
             executeTestWithRule(
                 () -> {
-                    sftpServer.createDirectory("dummy_directory");
+                    sftpServer.createDirectory("/dummy_directory");
                     sftpServer.deleteAllFilesAndDirectories();
                     assertDirectoryDoesNotExist(
                         sftpServer,