jongyoul commented on a change in pull request #3428: [ZEPPELIN-4305]
LocalStorageConfig.atomicWriteToFile throws exception
URL: https://github.com/apache/zeppelin/pull/3428#discussion_r316522717
##########
File path:
zeppelin-zengine/src/test/java/org/apache/zeppelin/storage/LocalConfigStorageTest.java
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@@ -0,0 +1,50 @@
+package org.apache.zeppelin.storage;
+
+import org.apache.commons.io.IOUtils;
+import org.junit.Test;
+
+import java.io.BufferedWriter;
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.nio.file.Files;
+import java.nio.file.Path;
+
+import static org.junit.Assert.*;
+
+public class LocalConfigStorageTest {
+ public static final String TEST_STRING = "this is a test!";
+
+ @Test
+ public void testWritingAtomically() throws IOException {
+ final Path destination = Files.createTempFile("test-", "file");
+ final File destinationFile = destination.toFile();
+ try {
+ LocalConfigStorage.atomicWriteToFile(TEST_STRING, destinationFile);
Review comment:
I think it would be better to make those methods of `atomicWriteToFile` and
`readFromFile` as a package local. `LocalConfigStorage` have
`ZeppelinConfiguration` only and it could be initiated easily.
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