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[HUDI-3730] Improve meta sync class design and hierarchies (#5854)

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* [HUDI-3730] Improve meta sync class design and hierarchies (#5754)
* Implements class design proposed in RFC-55

Co-authored-by: jian.feng <fengjian428@gmial.com>
Co-authored-by: jian.feng <jian.feng@shopee.com>
This commit is contained in:
Shiyan Xu
2022-07-03 04:17:25 -05:00
committed by GitHub
parent c00ea84985
commit c0e1587966
86 changed files with 2977 additions and 2877 deletions
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9
hudi-common/src/test/java/org/apache/hudi/common/util/TestStringUtils.java
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@@ -23,6 +23,7 @@ import org.junit.jupiter.api.Test;
import java.nio.ByteBuffer;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNotEquals;
@@ -45,6 +46,14 @@ public class TestStringUtils {
assertNotEquals(null, StringUtils.join(STRINGS));
}
@Test
public void testStringJoinWithJavaImpl() {
assertNull(StringUtils.join(",", null));
assertEquals("", String.join(",", Collections.singletonList("")));
assertEquals(",", String.join(",", Arrays.asList("", "")));
assertEquals("a,", String.join(",", Arrays.asList("a", "")));
}
@Test
public void testStringNullToEmpty() {
String str = "This is a test";