basic/runtime/org.argeo.basic.nodeps/src/test/java/org/argeo/util/CsvWriterTestCase.java

   1 package org.argeo.util;
   2
   3 import java.io.ByteArrayInputStream;
   4 import java.io.ByteArrayOutputStream;
   5 import java.util.ArrayList;
   6 import java.util.Arrays;
   7 import java.util.List;
   8
   9 import junit.framework.TestCase;
  10
  11 public class CsvWriterTestCase extends TestCase {
  12         public void testWrite() throws Exception {
  13                 ByteArrayOutputStream out = new ByteArrayOutputStream();
  14                 final CsvWriter csvWriter = new CsvWriter(out);
  15
  16                 String[] header = { "Header1", "Header 2", "Header,3", "Header\n4",
  17                                 "Header\"5\"" };
  18                 String[] line1 = { "Value1", "Value 2", "Value,3", "Value\n4",
  19                                 "Value\"5\"" };
  20                 csvWriter.writeLine(Arrays.asList(header));
  21                 csvWriter.writeLine(Arrays.asList(line1));
  22
  23                 String reference = "Header1,Header 2,\"Header,3\",\"Header\n4\",\"Header\"\"5\"\"\"\n"
  24                                 + "Value1,Value 2,\"Value,3\",\"Value\n4\",\"Value\"\"5\"\"\"\n";
  25                 String written = new String(out.toByteArray());
  26                 assertEquals(reference, written);
  27                 out.close();
  28                 System.out.println(written);
  29
  30                 final List<String> allTokens = new ArrayList<String>();
  31                 CsvParser csvParser = new CsvParser() {
  32                         protected void processLine(Integer lineNumber, List<String> header,
  33                                         List<String> tokens) {
  34                                 if (lineNumber == 2)
  35                                         allTokens.addAll(header);
  36                                 allTokens.addAll(tokens);
  37                         }
  38                 };
  39                 ByteArrayInputStream in = new ByteArrayInputStream(written.getBytes());
  40                 csvParser.parse(in);
  41                 in.close();
  42                 List<String> allTokensRef = new ArrayList<String>();
  43                 allTokensRef.addAll(Arrays.asList(header));
  44                 allTokensRef.addAll(Arrays.asList(line1));
  45
  46                 assertEquals(allTokensRef.size(), allTokens.size());
  47                 for (int i = 0; i < allTokensRef.size(); i++)
  48                         assertEquals(allTokensRef.get(i), allTokens.get(i));
  49         }
  50
  51 }