YuweiXiao commented on code in PR #4958:
URL: https://github.com/apache/hudi/pull/4958#discussion_r917395167
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hudi-client/hudi-client-common/src/test/java/org/apache/hudi/index/bucket/TestConsistentBucketIdIdentifier.java:
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@@ -76,4 +96,90 @@ public void testGetBucket() {
Assertions.assertEquals(nodes.get(1),
identifier.getBucketByFileId(FSUtils.createNewFileId("1", 0)));
Assertions.assertEquals(nodes.get(2),
identifier.getBucketByFileId(FSUtils.createNewFileId("2", 0)));
}
+
+ /**
+ * @param v0 first node hash value
+ * @param v1 second node hash value
+ * @param mid mid node hash value generated by split the first bucket v0
+ */
+ @ParameterizedTest
+ @MethodSource("splitBucketParams")
+ public void testSplitBucket(int v0, int v1, int mid) {
+ // Hash range mapping:: [0, 0xf], (0xf, MAX]
+ List<ConsistentHashingNode> nodes = Arrays.asList(
+ new ConsistentHashingNode(v0, "0"),
+ new ConsistentHashingNode(v1, "1"));
+ HoodieConsistentHashingMetadata meta = new
HoodieConsistentHashingMetadata((short) 0, "", "", 4, 0, nodes);
+ Option<List<ConsistentHashingNode>> res = new
ConsistentBucketIdentifier(meta).splitBucket(nodes.get(0));
+ if (mid < 0) {
+ Assertions.assertTrue(!res.isPresent());
+ return;
+ }
+
+ List<ConsistentHashingNode> childNodes = res.get();
+ Assertions.assertEquals(2, childNodes.size());
Review Comment:
Thanks for the suggestion. By the way, will static import provide better
performance? or it is for cleaner code.
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