[HUDI-3045] New clustering regex match config to choose partitions when building clustering plan (#4346)

Co-authored-by: yuezhang <yuezhang@freewheel.tv>

hudi-client/hudi-client-common/src/test/java/org/apache/hudi/table/action/cluster/strategy/TestPartitionAwareClusteringPlanStrategy.java

@@ -0,0 +1,96 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hudi.table.action.cluster.strategy;
+
+import org.apache.hudi.avro.model.HoodieClusteringGroup;
+import org.apache.hudi.common.engine.HoodieEngineContext;
+import org.apache.hudi.config.HoodieClusteringConfig;
+import org.apache.hudi.config.HoodieWriteConfig;
+import org.apache.hudi.table.HoodieTable;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.mockito.Mock;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.Properties;
+import java.util.stream.Stream;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+public class TestPartitionAwareClusteringPlanStrategy {
+
+  @Mock
+  HoodieTable table;
+  @Mock
+  HoodieEngineContext context;
+  HoodieWriteConfig hoodieWriteConfig;
+
+  @BeforeEach
+  public void setUp() {
+    Properties props = new Properties();
+    props.setProperty("hoodie.clustering.plan.strategy.partition.regex.pattern", "2021072.*");
+    this.hoodieWriteConfig = HoodieWriteConfig
+        .newBuilder()
+        .withPath("dummy_Table_Path")
+        .withClusteringConfig(HoodieClusteringConfig
+            .newBuilder()
+            .fromProperties(props)
+            .build())
+        .build();
+  }
+
+  @Test
+  public void testFilterPartitionPaths() {
+    PartitionAwareClusteringPlanStrategy strategyTestRegexPattern = new DummyPartitionAwareClusteringPlanStrategy(table, context, hoodieWriteConfig);
+
+    ArrayList<String> fakeTimeBasedPartitionsPath = new ArrayList<>();
+    fakeTimeBasedPartitionsPath.add("20210718");
+    fakeTimeBasedPartitionsPath.add("20210715");
+    fakeTimeBasedPartitionsPath.add("20210723");
+    fakeTimeBasedPartitionsPath.add("20210716");
+    fakeTimeBasedPartitionsPath.add("20210719");
+    fakeTimeBasedPartitionsPath.add("20210721");
+
+    List list = strategyTestRegexPattern.getRegexPatternMatchedPartitions(hoodieWriteConfig, fakeTimeBasedPartitionsPath);
+    assertEquals(2, list.size());
+    assertTrue(list.contains("20210721"));
+    assertTrue(list.contains("20210723"));
+  }
+
+  class DummyPartitionAwareClusteringPlanStrategy extends PartitionAwareClusteringPlanStrategy {
+
+    public DummyPartitionAwareClusteringPlanStrategy(HoodieTable table, HoodieEngineContext engineContext, HoodieWriteConfig writeConfig) {
+      super(table, engineContext, writeConfig);
+    }
+
+    @Override
+    protected Stream<HoodieClusteringGroup> buildClusteringGroupsForPartition(String partitionPath, List list) {
+      return null;
+    }
+
+    @Override
+    protected Map<String, String> getStrategyParams() {
+      return null;
+    }
+  }
+}