/*
 * 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.jmeter.functions;

import java.io.FileNotFoundException;

import org.apache.jmeter.junit.JMeterTestCase;

/**
 * File data container for CSV (and similar delimited) files Data is accessible
 * via row and column number
 * 
 * @version $Revision: 493796 $
 */
public class TestFileRowColContainer {

	public static class Test extends JMeterTestCase {

		public Test(String a) {
			super(a);
		}

		public void testNull() throws Exception {
			try {
				new FileRowColContainer("testfiles/xyzxyz");
				fail("Should not find the file");
			} catch (FileNotFoundException e) {
			}
		}

		public void testrowNum() throws Exception {
			FileRowColContainer f = new FileRowColContainer("testfiles/test.csv");
			assertNotNull(f);
			assertEquals("Expected 4 lines", 4, f.getSize());

			assertEquals(0, f.nextRow());
			assertEquals(1, f.nextRow());
			assertEquals(2, f.nextRow());
			assertEquals(3, f.nextRow());
			assertEquals(0, f.nextRow());

		}

		public void testColumns() throws Exception {
			FileRowColContainer f = new FileRowColContainer("testfiles/test.csv");
			assertNotNull(f);
			assertTrue("Not empty", f.getSize() > 0);

			int myRow = f.nextRow();
			assertEquals(0, myRow);
			assertEquals("a1", f.getColumn(myRow, 0));
			assertEquals("d1", f.getColumn(myRow, 3));

			try {
				f.getColumn(myRow, 4);
				fail("Expected out of bounds");
			} catch (IndexOutOfBoundsException e) {
			}
			myRow = f.nextRow();
			assertEquals(1, myRow);
			assertEquals("b2", f.getColumn(myRow, 1));
			assertEquals("c2", f.getColumn(myRow, 2));
		}

		public void testColumnsComma() throws Exception {
			FileRowColContainer f = new FileRowColContainer("testfiles/test.csv", ",");
			assertNotNull(f);
			assertTrue("Not empty", f.getSize() > 0);

			int myRow = f.nextRow();
			assertEquals(0, myRow);
			assertEquals("a1", f.getColumn(myRow, 0));
			assertEquals("d1", f.getColumn(myRow, 3));

			try {
				f.getColumn(myRow, 4);
				fail("Expected out of bounds");
			} catch (IndexOutOfBoundsException e) {
			}
			myRow = f.nextRow();
			assertEquals(1, myRow);
			assertEquals("b2", f.getColumn(myRow, 1));
			assertEquals("c2", f.getColumn(myRow, 2));
		}

		public void testColumnsTab() throws Exception {
			FileRowColContainer f = new FileRowColContainer("testfiles/test.tsv", "\t");
			assertNotNull(f);
			assertTrue("Not empty", f.getSize() > 0);

			int myRow = f.nextRow();
			assertEquals(0, myRow);
			assertEquals("a1", f.getColumn(myRow, 0));
			assertEquals("d1", f.getColumn(myRow, 3));

			try {
				f.getColumn(myRow, 4);
				fail("Expected out of bounds");
			} catch (IndexOutOfBoundsException e) {
			}
			myRow = f.nextRow();
			assertEquals(1, myRow);
			assertEquals("b2", f.getColumn(myRow, 1));
			assertEquals("c2", f.getColumn(myRow, 2));
		}

		public void testEmptyCols() throws Exception {
			FileRowColContainer f = new FileRowColContainer("testfiles/testempty.csv");
			assertNotNull(f);
			assertEquals("Expected 4 lines", 4, f.getSize());

			int myRow = f.nextRow();
			assertEquals(0, myRow);
			assertEquals("", f.getColumn(myRow, 0));
			assertEquals("d1", f.getColumn(myRow, 3));

			myRow = f.nextRow();
			assertEquals(1, myRow);
			assertEquals("", f.getColumn(myRow, 1));
			assertEquals("c2", f.getColumn(myRow, 2));

			myRow = f.nextRow();
			assertEquals(2, myRow);
			assertEquals("b3", f.getColumn(myRow, 1));
			assertEquals("", f.getColumn(myRow, 2));

			myRow = f.nextRow();
			assertEquals(3, myRow);
			assertEquals("b4", f.getColumn(myRow, 1));
			assertEquals("c4", f.getColumn(myRow, 2));
			assertEquals("", f.getColumn(myRow, 3));
		}
	}
}