| /* |
| * 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.solr.internal.csv; |
| |
| import java.io.IOException; |
| import java.io.StringReader; |
| import java.io.StringWriter; |
| import java.util.Random; |
| |
| import junit.framework.TestCase; |
| |
| /** |
| * CSVPrinterTest |
| */ |
| public class CSVPrinterTest extends TestCase { |
| |
| String lineSeparator = "\n"; |
| |
| public void testPrinter1() throws IOException { |
| StringWriter sw = new StringWriter(); |
| CSVPrinter printer = new CSVPrinter(sw, CSVStrategy.DEFAULT_STRATEGY); |
| String[] line1 = {"a", "b"}; |
| printer.println(line1); |
| assertEquals("a,b" + lineSeparator, sw.toString()); |
| } |
| |
| public void testPrinter2() throws IOException { |
| StringWriter sw = new StringWriter(); |
| CSVPrinter printer = new CSVPrinter(sw, CSVStrategy.DEFAULT_STRATEGY); |
| String[] line1 = {"a,b", "b"}; |
| printer.println(line1); |
| assertEquals("\"a,b\",b" + lineSeparator, sw.toString()); |
| } |
| |
| public void testPrinter3() throws IOException { |
| StringWriter sw = new StringWriter(); |
| CSVPrinter printer = new CSVPrinter(sw, CSVStrategy.DEFAULT_STRATEGY); |
| String[] line1 = {"a, b", "b "}; |
| printer.println(line1); |
| assertEquals("\"a, b\",\"b \"" + lineSeparator, sw.toString()); |
| } |
| |
| public void testExcelPrinter1() throws IOException { |
| StringWriter sw = new StringWriter(); |
| CSVPrinter printer = new CSVPrinter(sw, CSVStrategy.EXCEL_STRATEGY); |
| String[] line1 = {"a", "b"}; |
| printer.println(line1); |
| assertEquals("a,b" + lineSeparator, sw.toString()); |
| } |
| |
| public void testExcelPrinter2() throws IOException { |
| StringWriter sw = new StringWriter(); |
| CSVPrinter printer = new CSVPrinter(sw, CSVStrategy.EXCEL_STRATEGY); |
| String[] line1 = {"a,b", "b"}; |
| printer.println(line1); |
| assertEquals("\"a,b\",b" + lineSeparator, sw.toString()); |
| } |
| |
| |
| |
| public void testRandom() throws Exception { |
| int iter=10000; |
| strategy = CSVStrategy.DEFAULT_STRATEGY; |
| doRandom(iter); |
| strategy = CSVStrategy.EXCEL_STRATEGY; |
| doRandom(iter); |
| |
| // Strategy for MySQL |
| strategy = new CSVStrategy |
| ('\t', CSVStrategy.ENCAPSULATOR_DISABLED, CSVStrategy.COMMENTS_DISABLED,'\\',false, false, false, false, "\n"); |
| doRandom(iter); |
| } |
| |
| Random r = new Random(); |
| CSVStrategy strategy; |
| |
| public void doRandom(int iter) throws Exception { |
| for (int i=0; i<iter; i++) { |
| doOneRandom(); |
| } |
| } |
| |
| public void doOneRandom() throws Exception { |
| int nLines = r.nextInt(4)+1; |
| int nCol = r.nextInt(3)+1; |
| // nLines=1;nCol=2; |
| String[][] lines = new String[nLines][]; |
| for (int i=0; i<nLines; i++) { |
| String[] line = new String[nCol]; |
| lines[i] = line; |
| for (int j=0; j<nCol; j++) { |
| line[j] = randStr(); |
| } |
| } |
| |
| StringWriter sw = new StringWriter(); |
| CSVPrinter printer = new CSVPrinter(sw, strategy); |
| |
| for (int i=0; i<nLines; i++) { |
| // for (int j=0; j<lines[i].length; j++) System.out.println("### VALUE=:" + printable(lines[i][j])); |
| printer.println(lines[i]); |
| } |
| |
| printer.flush(); |
| String result = sw.toString(); |
| // System.out.println("### :" + printable(result)); |
| |
| StringReader reader = new StringReader(result); |
| |
| CSVParser parser = new CSVParser(reader, strategy); |
| String[][] parseResult = parser.getAllValues(); |
| |
| if (!equals(lines, parseResult)) { |
| System.out.println("Printer output :" + printable(result)); |
| assertTrue(false); |
| } |
| } |
| |
| public static boolean equals(String[][] a, String[][] b) { |
| if (a.length != b.length) { |
| return false; |
| } |
| for (int i=0; i<a.length; i++) { |
| String[] linea = a[i]; |
| String[] lineb = b[i]; |
| if (linea.length != lineb.length) { |
| return false; |
| } |
| for (int j=0; j<linea.length; j++) { |
| String aval = linea[j]; |
| String bval = lineb[j]; |
| if (!aval.equals(bval)) { |
| System.out.println("expected :" + printable(aval)); |
| System.out.println("got :" + printable(bval)); |
| return false; |
| } |
| } |
| } |
| return true; |
| } |
| |
| public static String printable(String s) { |
| StringBuilder sb = new StringBuilder(); |
| for (int i=0; i<s.length(); i++) { |
| char ch = s.charAt(i); |
| if (ch<=' ' || ch>=128) { |
| sb.append("(").append((int)ch).append(")"); |
| } else { |
| sb.append(ch); |
| } |
| } |
| return sb.toString(); |
| } |
| |
| public String randStr() { |
| int sz = r.nextInt(20); |
| // sz = r.nextInt(3); |
| char[] buf = new char[sz]; |
| for (int i=0; i<sz; i++) { |
| // stick in special chars with greater frequency |
| char ch; |
| int what = r.nextInt(20); |
| switch (what) { |
| case 0: ch = '\r'; break; |
| case 1: ch = '\n'; break; |
| case 2: ch = '\t'; break; |
| case 3: ch = '\f'; break; |
| case 4: ch = ' '; break; |
| case 5: ch = ','; break; |
| case 6: ch = '"'; break; |
| case 7: ch = '\''; break; |
| case 8: ch = '\\'; break; |
| default: ch = (char)r.nextInt(300); break; |
| // default: ch = 'a'; break; |
| } |
| buf[i] = ch; |
| } |
| return new String(buf); |
| } |
| |
| } |