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 *  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
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package org.apache.cayenne.access.jdbc;

import com.mockrunner.mock.jdbc.MockConnection;
import com.mockrunner.mock.jdbc.MockResultSet;
import com.mockrunner.mock.jdbc.MockStatement;
import org.apache.cayenne.DataRow;
import org.apache.cayenne.access.jdbc.reader.DefaultRowReaderFactory;
import org.apache.cayenne.access.jdbc.reader.RowReader;
import org.apache.cayenne.access.types.ExtendedTypeMap;
import org.apache.cayenne.dba.DbAdapter;
import org.apache.cayenne.map.ObjAttribute;
import org.apache.cayenne.query.MockQueryMetadata;
import org.junit.Test;

import java.sql.Connection;
import java.sql.Statement;
import java.util.Collections;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import static org.mockito.Mockito.mock;

public class JDBCResultIteratorTest {

	@Test
	public void testNextDataRow() throws Exception {
		Connection c = new MockConnection();
		Statement s = new MockStatement(c);
		MockResultSet rs = new MockResultSet("rs");
		rs.addColumn("a", new Object[] { "1", "2", "3" });

		RowDescriptor descriptor = new RowDescriptorBuilder().setResultSet(rs).getDescriptor(new ExtendedTypeMap());
		RowReader<?> rowReader = new DefaultRowReaderFactory().rowReader(descriptor, new MockQueryMetadata(),
				mock(DbAdapter.class), Collections.<ObjAttribute, ColumnDescriptor> emptyMap());

		JDBCResultIterator it = new JDBCResultIterator(s, rs, rowReader);

		DataRow row = (DataRow) it.nextRow();

		assertNotNull(row);
		assertEquals(1, row.size());
		assertEquals("1", row.get("a"));
	}

	@Test
	public void testClose() throws Exception {
		Connection c = new MockConnection();
		MockStatement s = new MockStatement(c);
		MockResultSet rs = new MockResultSet("rs");
		rs.addColumn("a", new Object[] { "1", "2", "3" });

		RowReader<?> rowReader = mock(RowReader.class);

		try (JDBCResultIterator it = new JDBCResultIterator(s, rs, rowReader);) {

			assertFalse(rs.isClosed());
			assertFalse(s.isClosed());
			assertFalse(c.isClosed());
		}

		assertTrue(rs.isClosed());
		assertTrue(s.isClosed());
	}

}