update ut

Author: xicm

hudi-client/hudi-client-common/src/test/java/org/apache/hudi/config/TestHoodieWriteConfig.java

@@ -399,12 +399,20 @@ public void testConsistentBucketIndexInvalidClusteringConfig() {
   }
 
   @Test
-  public void testSimpleBucketIndexDefaultPartitionerConfig() {
+  public void testSimpleBucketIndexPartitionerConfig() {
     HoodieWriteConfig writeConfig = HoodieWriteConfig.newBuilder().withPath("/tmp")
         .withIndexConfig(HoodieIndexConfig.newBuilder().withIndexType(HoodieIndex.IndexType.BUCKET)
             .withBucketIndexEngineType(HoodieIndex.BucketIndexEngineType.SIMPLE).build())
         .build();
     assertEquals(HoodieLayoutConfig.SIMPLE_BUCKET_LAYOUT_PARTITIONER_CLASS_NAME, writeConfig.getString(HoodieLayoutConfig.LAYOUT_PARTITIONER_CLASS_NAME));
+
+    HoodieWriteConfig overwritePartitioner = HoodieWriteConfig.newBuilder().withPath("/tmp")
+        .withIndexConfig(HoodieIndexConfig.newBuilder().withIndexType(HoodieIndex.IndexType.BUCKET)
+            .withBucketIndexEngineType(HoodieIndex.BucketIndexEngineType.SIMPLE)
+            .build())
+        .withLayoutConfig(HoodieLayoutConfig.newBuilder().withLayoutPartitioner("org.apache.hudi.table.action.commit.UpsertPartitioner").build())
+        .build();
+    assertEquals("org.apache.hudi.table.action.commit.UpsertPartitioner", overwritePartitioner.getString(HoodieLayoutConfig.LAYOUT_PARTITIONER_CLASS_NAME));
   }
 
   private HoodieWriteConfig createWriteConfig(Map<String, String> configs) {