danny0405 commented on code in PR #19392:
URL: https://github.com/apache/hudi/pull/19392#discussion_r3671120719


##########
hudi-flink-datasource/hudi-flink/src/test/java/org/apache/hudi/configuration/TestOptionsResolver.java:
##########
@@ -270,4 +283,136 @@ void testEstimateFileGroupCountForGlobalRLI() {
     
conf.setString(HoodieMetadataConfig.GLOBAL_RECORD_LEVEL_INDEX_MAX_FILE_GROUP_COUNT_PROP.key(),
 "11");
     assertEquals(11, OptionsResolver.estimateFileGroupCountForRLI(conf));
   }
+
+  @Test
+  void testIncrementalJobGraphPredicate() {
+    Configuration conf = new Configuration();
+    assertFalse(OptionsResolver.isIncrementalJobGraph(conf));
+    conf.set(FlinkOptions.WRITE_INCREMENTAL_JOB_GRAPH_GENERATION, true);
+    assertTrue(OptionsResolver.isIncrementalJobGraph(conf));
+  }
+
+  @Test
+  void testTableTypePredicates() {
+    Configuration conf = new Configuration();
+    assertTrue(OptionsResolver.isCowTable(conf));
+    assertFalse(OptionsResolver.isMorTable(conf));
+    assertFalse(OptionsResolver.isMorTable(Collections.emptyMap()));
+    conf.set(FlinkOptions.TABLE_TYPE, 
HoodieTableType.MERGE_ON_READ.name().toLowerCase());
+    assertTrue(OptionsResolver.isMorTable(conf));
+    assertTrue(OptionsResolver.isMorTable(
+        Collections.singletonMap(FlinkOptions.TABLE_TYPE.key(), 
HoodieTableType.MERGE_ON_READ.name())));
+  }
+
+  @Test
+  void testOperationTypePredicates() {
+    Configuration conf = new Configuration();
+    conf.set(FlinkOptions.OPERATION, WriteOperationType.INSERT.value());
+    assertTrue(OptionsResolver.isInsertOperation(conf));
+    conf.set(FlinkOptions.OPERATION, WriteOperationType.UPSERT.value());
+    assertTrue(OptionsResolver.isUpsertOperation(conf));
+    conf.set(FlinkOptions.OPERATION, WriteOperationType.BULK_INSERT.value());
+    assertTrue(OptionsResolver.isBulkInsertOperation(conf));
+  }
+
+  @Test
+  void testPayloadAndCompactionPredicates() {
+    Configuration conf = new Configuration();
+    conf.set(FlinkOptions.PAYLOAD_CLASS_NAME, 
DefaultHoodieRecordPayload.class.getName());
+    assertTrue(OptionsResolver.isDefaultHoodieRecordPayloadClazz(conf));
+    conf.set(FlinkOptions.COMPACTION_TRIGGER_STRATEGY, 
FlinkOptions.TIME_ELAPSED.toUpperCase());
+    assertTrue(OptionsResolver.isDeltaTimeCompaction(conf));
+    conf.set(FlinkOptions.COMPACTION_TRIGGER_STRATEGY, 
FlinkOptions.NUM_COMMITS);
+    assertFalse(OptionsResolver.isDeltaTimeCompaction(conf));
+  }
+
+  @Test
+  void testReadOptions() {
+    Configuration conf = new Configuration();
+    assertEquals(-1, OptionsResolver.getReadCommitsLimit(conf));
+    conf.set(FlinkOptions.READ_COMMITS_LIMIT, 5);
+    assertEquals(5, OptionsResolver.getReadCommitsLimit(conf));
+
+    conf.set(FlinkOptions.SUPPLEMENTAL_LOGGING_MODE,
+        
HoodieCDCSupplementalLoggingMode.DATA_BEFORE_AFTER.name().toLowerCase());
+    assertEquals(HoodieCDCSupplementalLoggingMode.DATA_BEFORE_AFTER,
+        OptionsResolver.getCDCSupplementalLoggingMode(conf));
+
+    conf.set(FlinkOptions.READ_CDC_FROM_CHANGELOG, false);
+    assertFalse(OptionsResolver.readCDCFromChangelog(conf));
+    conf.set(FlinkOptions.RECORD_KEY_FIELD, "id,tenant");
+    assertEquals("id", OptionsResolver.getIndexKeyFields(conf).get(0));
+    assertEquals("tenant", OptionsResolver.getIndexKeyFields(conf).get(1));

Review Comment:
   Addressed in 5abb17b0d55b. I split the method into focused tests for write 
flags and concurrency-control modes.



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