/*
 * 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.
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package org.apache.shardingsphere.infra.merge.engine.merger.impl;

import org.apache.shardingsphere.infra.executor.sql.QueryResult;
import org.apache.shardingsphere.infra.merge.result.MergedResult;
import org.apache.shardingsphere.sql.parser.binder.metadata.schema.SchemaMetaData;
import org.apache.shardingsphere.sql.parser.binder.statement.SQLStatementContext;
import org.junit.Test;

import java.sql.SQLException;
import java.util.Collections;

import static org.junit.Assert.assertTrue;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;

public final class TransparentResultMergerTest {
    
    @Test
    public void assertMerge() throws SQLException {
        QueryResult queryResult = mock(QueryResult.class);
        when(queryResult.next()).thenReturn(true);
        TransparentResultMerger merger = new TransparentResultMerger();
        MergedResult actual = merger.merge(Collections.singletonList(queryResult), mock(SQLStatementContext.class), mock(SchemaMetaData.class));
        assertTrue(actual.next());
    }
}

Add TransparentResultMergerTest