/*-
 * #%L
 * JSQLParser library
 * %%
 * Copyright (C) 2004 - 2020 JSQLParser
 * %%
 * Dual licensed under GNU LGPL 2.1 or Apache License 2.0
 * #L%
 */
package net.sf.jsqlparser.util.validation.validator;

import java.util.Arrays;
import net.sf.jsqlparser.JSQLParserException;
import net.sf.jsqlparser.parser.feature.Feature;
import net.sf.jsqlparser.util.validation.ValidationTestAsserts;
import net.sf.jsqlparser.util.validation.feature.DatabaseType;
import net.sf.jsqlparser.util.validation.feature.FeaturesAllowed;
import org.junit.jupiter.api.Test;

public class MergeValidatorTest extends ValidationTestAsserts {

    @Test
    public void testValidateMerge() throws JSQLParserException {
        for (String sql : Arrays.asList(
                "MERGE INTO a USING dual ON (col3 = ? AND col1 = ? AND col2 = ?) WHEN NOT MATCHED THEN INSERT (col1, col2, col3, col4) VALUES (?, ?, ?, ?) WHEN MATCHED THEN UPDATE SET col4 = col4 + ?",
                "MERGE INTO a USING dual ON (col3 = ? AND col1 = ? AND col2 = ?) WHEN MATCHED THEN UPDATE SET col4 = col4 + ? WHEN NOT MATCHED THEN INSERT (col1, col2, col3, col4) VALUES (?, ?, ?, ?)")) {
            validateNoErrors(sql, 1, DatabaseType.ORACLE, DatabaseType.SQLSERVER);
        }
    }

    @Test
    public void testValidateMergeNotAllowed() throws JSQLParserException {
        for (String sql : Arrays.asList(
                "MERGE INTO a USING dual ON (col3 = ? AND col1 = ? AND col2 = ?) WHEN NOT MATCHED THEN INSERT (col1, col2, col3, col4) VALUES (?, ?, ?, ?) WHEN MATCHED THEN UPDATE SET col4 = col4 + ?",
                "MERGE INTO a USING dual ON (col3 = ? AND col1 = ? AND col2 = ?) WHEN MATCHED THEN UPDATE SET col4 = col4 + ? WHEN NOT MATCHED THEN INSERT (col1, col2, col3, col4) VALUES (?, ?, ?, ?)")) {
            validateNotAllowed(sql, 1, 1, FeaturesAllowed.SELECT.copy().add(FeaturesAllowed.JDBC),
                    Feature.merge);
        }
    }

}
