Add test cases on ShardingSchemaTableAggregationReviser (#33669)

features/sharding/core/src/test/java/org/apache/shardingsphere/sharding/metadata/reviser/schema/ShardingSchemaTableAggregationReviserTest.java

@@ -0,0 +1,63 @@
+/*
+ * 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.shardingsphere.sharding.metadata.reviser.schema;
+
+import org.apache.shardingsphere.infra.database.core.metadata.data.model.ColumnMetaData;
+import org.apache.shardingsphere.infra.database.core.metadata.data.model.TableMetaData;
+import org.apache.shardingsphere.infra.exception.kernel.metadata.RuleAndStorageMetaDataMismatchedException;
+import org.apache.shardingsphere.sharding.rule.ShardingRule;
+import org.junit.jupiter.api.Test;
+
+import java.util.Collection;
+import java.util.Collections;
+
+import static org.hamcrest.CoreMatchers.is;
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+import static org.mockito.Mockito.mock;
+
+class ShardingSchemaTableAggregationReviserTest {
+
+    @Test
+    void assertAggregateSuccessWithCheckTableMetaDataDisabled() {
+        TableMetaData tableMetaData = new TableMetaData("foo_tbl", null, null, null);
+        ShardingSchemaTableAggregationReviser reviser = new ShardingSchemaTableAggregationReviser(false);
+        reviser.add(tableMetaData);
+        Collection<TableMetaData> actual = reviser.aggregate(mock(ShardingRule.class));
+        assertThat(actual, is(Collections.singletonList(tableMetaData)));
+    }
+
+    @Test
+    void assertAggregateSuccessWithCheckTableMetaDataEnabled() {
+        TableMetaData tableMetaData = new TableMetaData("foo_tbl", null, null, null);
+        ShardingSchemaTableAggregationReviser reviser = new ShardingSchemaTableAggregationReviser(true);
+        reviser.add(tableMetaData);
+        Collection<TableMetaData> actual = reviser.aggregate(mock(ShardingRule.class));
+        assertThat(actual, is(Collections.singletonList(tableMetaData)));
+    }
+
+    @Test
+    void assertAggregateFailedWithCheckTableMetaDataEnabled() {
+        TableMetaData tableMetaData1 = new TableMetaData("foo_tbl", null, null, null);
+        TableMetaData tableMetaData2 = new TableMetaData("foo_tbl", Collections.singletonList(mock(ColumnMetaData.class)), null, null);
+        ShardingSchemaTableAggregationReviser reviser = new ShardingSchemaTableAggregationReviser(true);
+        reviser.add(tableMetaData1);
+        reviser.add(tableMetaData2);
+        assertThrows(RuleAndStorageMetaDataMismatchedException.class, () -> reviser.aggregate(mock(ShardingRule.class)));
+    }
+}