Add test case for RuleSchemaMetaData(#6731) (#6819)

* Add more test case for HintManager (apache#6712)
Co-authored-by: N胡宏韬 <huht@gddxit.com>

shardingsphere-infra/shardingsphere-infra-common/src/test/java/org/apache/shardingsphere/infra/hint/HintManagerTest.java

@@ -120,7 +120,6 @@ public final class HintManagerTest {
             assertFalse(HintManager.isDatabaseShardingOnly());
             assertThat(HintManager.getDatabaseShardingValues("logic_table").size(), is(1));
             assertTrue(HintManager.getDatabaseShardingValues("logic_table").contains(2));
-            hintManager.close();
         }
     }
     
@@ -133,7 +132,6 @@ public final class HintManagerTest {
             assertFalse(HintManager.isDatabaseShardingOnly());
             assertThat(HintManager.getTableShardingValues("logic_table").size(), is(1));
             assertTrue(HintManager.getTableShardingValues("logic_table").contains(2));
-            hintManager.close();
         }
     }
     

shardingsphere-infra/shardingsphere-infra-common/src/test/java/org/apache/shardingsphere/infra/metadata/schema/RuleSchemaMetaDataTest.java

+/*
+ * 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.infra.metadata.schema;
+
+import org.apache.shardingsphere.sql.parser.binder.metadata.schema.SchemaMetaData;
+import org.apache.shardingsphere.sql.parser.binder.metadata.table.TableMetaData;
+import org.junit.Test;
+import java.util.HashMap;
+import java.util.Map;
+
+import static org.junit.Assert.assertNotNull;
+
+public final class RuleSchemaMetaDataTest {
+
+    @Test
+    public void assertGetSchemaMetaData() {
+        Map<String, TableMetaData> tableMetaDataMap = new HashMap<>(1, 1);
+        Map<String, SchemaMetaData> unconfiguredSchemaMetaDataMap = new HashMap<>(1, 1);
+        RuleSchemaMetaData ruleSchemaMetaData = new RuleSchemaMetaData(new SchemaMetaData(tableMetaDataMap), unconfiguredSchemaMetaDataMap);
+        SchemaMetaData schemaMetaData = ruleSchemaMetaData.getSchemaMetaData();
+        assertNotNull("SchemaMetaData is null", schemaMetaData);
+    }
+}