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https://issues.apache.org/jira/browse/NIFI-5318?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16609836#comment-16609836
]
ASF GitHub Bot commented on NIFI-5318:
--------------------------------------
Github user MikeThomsen commented on a diff in the pull request:
https://github.com/apache/nifi/pull/2872#discussion_r216484785
--- Diff:
nifi-testharness/src/main/java/org/apache/nifi/testharness/util/FileUtils.java
---
@@ -0,0 +1,88 @@
+/*
+ * 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.nifi.testharness.util;
+
+import java.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.Paths;
+import java.nio.file.SimpleFileVisitor;
+import java.nio.file.attribute.BasicFileAttributes;
+import java.util.Arrays;
+
+public final class FileUtils {
+
+
+ private static final String MAC_DS_STORE_NAME = ".DS_Store";
+
+ private FileUtils() {
+ // no instances
+ }
+
+ public static void deleteDirectoryRecursive(Path directory) throws
IOException {
+ Files.walkFileTree(directory, new SimpleFileVisitor<Path>() {
+ @Override
+ public FileVisitResult visitFile(Path file,
BasicFileAttributes attrs) throws IOException {
+ Files.delete(file);
+ return FileVisitResult.CONTINUE;
+ }
+
+ @Override
+ public FileVisitResult postVisitDirectory(Path dir,
IOException exc) throws IOException {
+ Files.delete(dir);
+ return FileVisitResult.CONTINUE;
+ }
+ });
+ }
+
+ public static void deleteDirectoryRecursive(File dir) {
+ try {
+ deleteDirectoryRecursive(dir.toPath());
+ } catch (IOException e) {
+ throw new RuntimeException(e);
+ }
+ }
+
+ public static void createLink(Path newLink, Path existingFile) {
+ try {
+ Files.createSymbolicLink(newLink, existingFile);
--- End diff --
Have you tried this on Windows?
> Implement NiFi test harness
> ---------------------------
>
> Key: NIFI-5318
> URL: https://issues.apache.org/jira/browse/NIFI-5318
> Project: Apache NiFi
> Issue Type: New Feature
> Reporter: Peter Horvath
> Priority: Major
>
> Currently, it is not really possible to automatically test the behaviour of a
> specific NiFi flow and make unit test type asserts if it works as expected.
> For example, if the expected behaviour of a NiFi flow is that a file placed
> to a specific directory will trigger some operation after which some output
> file will appear at another directory, once currently can only do one thing:
> test the NiFi flow manually.
> Manual testing is especially hard to manage if a NiFi flow is being actively
> developed: any change to a complex, existing NiFi flow might require a lot of
> manual testing just to ensure there are no regressions introduced.
> Some kind of Java API that allows managing a NiFi instance and manipulating
> flow deployments like for example, [Codehaus
> Cargo|]https://codehaus-cargo.github.io/] would be of great help.
>
>
>
>
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