/*
 * 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.db.protocol.postgresql.packet.command.query.binary.bind;

import org.apache.shardingsphere.db.protocol.postgresql.constant.PostgreSQLColumnType;
import org.apache.shardingsphere.db.protocol.postgresql.packet.command.PostgreSQLCommandPacketType;
import org.apache.shardingsphere.db.protocol.postgresql.packet.command.query.binary.BinaryStatementRegistry;
import org.apache.shardingsphere.db.protocol.postgresql.packet.command.query.binary.PostgreSQLBinaryStatementParameterType;
import org.apache.shardingsphere.db.protocol.postgresql.payload.PostgreSQLPacketPayload;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.mockito.junit.MockitoJUnitRunner;

import java.sql.SQLException;
import java.util.Arrays;

import static org.hamcrest.CoreMatchers.is;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertThat;
import static org.mockito.Mockito.when;

@RunWith(MockitoJUnitRunner.class)
public class PostgreSQLComBindPacketTest {
    
    @Mock
    private PostgreSQLPacketPayload payload;
    
    @Before
    public void init() {
        when(payload.readInt4()).thenReturn(1);
        when(payload.readStringNul()).thenReturn("");
        when(payload.readStringNul()).thenReturn("sts-id");
        when(payload.readInt2()).thenReturn(1);
        
        BinaryStatementRegistry.getInstance().register(1);
    }
    
    @Test
    public void assertWrite() throws SQLException {
        //mock parameters
        when(payload.readInt2()).thenReturn(1);
        when(payload.readInt4()).thenReturn(1);
        when(payload.readInt8()).thenReturn(11L);
        
        String sql = "select * from order where id = ? ";
        BinaryStatementRegistry.getInstance().get(1).register("sts-id", sql, 1, Arrays.asList(new PostgreSQLBinaryStatementParameterType(PostgreSQLColumnType.POSTGRESQL_TYPE_INT8)));
        
        PostgreSQLComBindPacket bindPacket = new PostgreSQLComBindPacket(payload, 1);
        bindPacket.write(payload);
        
        assertThat(bindPacket.getSql(), is(sql));
        assertThat(bindPacket.getParameters().size(), is(1));
        assertThat(bindPacket.isBinaryRowData(), is(true));
    }
    
    @Test
    public void assertWriteWithEmptySql() throws SQLException {
        PostgreSQLComBindPacket bindPacket = new PostgreSQLComBindPacket(payload, 1);
        bindPacket.write(payload);
        assertNull(bindPacket.getSql());
        assertThat(bindPacket.getParameters().size(), is(0));
        assertThat(bindPacket.isBinaryRowData(), is(true));
    }
    
    @Test
    public void getMessageType() throws SQLException {
        PostgreSQLComBindPacket bindPacket = new PostgreSQLComBindPacket(payload, 1);
        assertThat(bindPacket.getMessageType(), is(PostgreSQLCommandPacketType.BIND.getValue()));
    }
    
}