org.argeo.enterprise/ext/test/org/argeo/util/CsvWriterTest.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 /** {@link CsvWriter} tests. */
  10 public class CsvWriterTest {
  11         public void testWrite() throws Exception {
  12                 ByteArrayOutputStream out = new ByteArrayOutputStream();
  13                 final CsvWriter csvWriter = new CsvWriter(out);
  14
  15                 String[] header = { "Header1", "Header 2", "Header,3", "Header\n4", "Header\"5\"" };
  16                 String[] line1 = { "Value1", "Value 2", "Value,3", "Value\n4", "Value\"5\"" };
  17                 csvWriter.writeLine(Arrays.asList(header));
  18                 csvWriter.writeLine(Arrays.asList(line1));
  19
  20                 String reference = "Header1,Header 2,\"Header,3\",\"Header\n4\",\"Header\"\"5\"\"\"\n"
  21                                 + "Value1,Value 2,\"Value,3\",\"Value\n4\",\"Value\"\"5\"\"\"\n";
  22                 String written = new String(out.toByteArray());
  23                 assert reference.equals(written);
  24                 out.close();
  25                 System.out.println(written);
  26
  27                 final List<String> allTokens = new ArrayList<String>();
  28                 CsvParser csvParser = new CsvParser() {
  29                         protected void processLine(Integer lineNumber, List<String> header, List<String> tokens) {
  30                                 if (lineNumber == 2)
  31                                         allTokens.addAll(header);
  32                                 allTokens.addAll(tokens);
  33                         }
  34                 };
  35                 ByteArrayInputStream in = new ByteArrayInputStream(written.getBytes());
  36                 csvParser.parse(in);
  37                 in.close();
  38                 List<String> allTokensRef = new ArrayList<String>();
  39                 allTokensRef.addAll(Arrays.asList(header));
  40                 allTokensRef.addAll(Arrays.asList(line1));
  41
  42                 assert allTokensRef.size() == allTokens.size();
  43                 for (int i = 0; i < allTokensRef.size(); i++)
  44                         assert allTokensRef.get(i).equals(allTokens.get(i));
  45         }
  46
  47 }