reswqa commented on code in PR #20306:
URL: https://github.com/apache/flink/pull/20306#discussion_r925236630
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flink-dstl/flink-dstl-dfs/src/test/java/org/apache/flink/changelog/fs/StateChangeFsUploaderTest.java:
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@@ -19,18 +19,32 @@
package org.apache.flink.changelog.fs;
import org.apache.flink.api.common.JobID;
+import org.apache.flink.core.fs.FSDataOutputStream;
+import org.apache.flink.core.fs.FileSystem;
import org.apache.flink.core.fs.Path;
+import org.apache.flink.core.fs.local.LocalDataOutputStream;
+import org.apache.flink.core.fs.local.LocalFileSystem;
+import org.junit.Rule;
import org.junit.jupiter.api.Test;
+import org.junit.rules.TemporaryFolder;
+import java.io.File;
import java.io.IOException;
+import java.nio.file.FileAlreadyExistsException;
+import java.util.Collections;
+import java.util.concurrent.atomic.AtomicBoolean;
import static
org.apache.flink.runtime.metrics.groups.UnregisteredMetricGroups.createUnregisteredTaskManagerJobMetricGroup;
+import static org.apache.flink.util.Preconditions.checkNotNull;
import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertTrue;
/** {@link StateChangeFsUploader} test. */
class StateChangeFsUploaderTest {
Review Comment:
For assertion, I suggest using AssertJ instead of Junit's, and you can find
the reason here:
https://flink.apache.org/contributing/code-style-and-quality-common.html#testing
and
https://docs.google.com/document/d/1514Wa_aNB9bJUen4xm5uiuXOooOJTtXqS_Jqk9KJitU/edit#heading=h.dson7yjrbvvx
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