cadi/core/src/test/java/org/onap/aaf/cadi/util/test/JU_CSV.java

   1 /**
   2  * ============LICENSE_START====================================================
   3  * org.onap.aaf
   4  * ===========================================================================
   5  * Copyright (c) 2018 AT&T Intellectual Property. All rights reserved.
   6  * ===========================================================================
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  * ============LICENSE_END====================================================
  19  */
  20
  21 package org.onap.aaf.cadi.util.test;
  22
  23 import java.io.File;
  24 import java.io.FileOutputStream;
  25 import java.io.IOException;
  26 import java.io.PrintStream;
  27 import java.util.ArrayList;
  28 import java.util.List;
  29
  30 import javax.xml.ws.Holder;
  31
  32 import org.junit.After;
  33 import org.junit.Assert;
  34 import org.junit.Before;
  35 import org.junit.BeforeClass;
  36 import org.junit.Test;
  37 import org.onap.aaf.cadi.CadiException;
  38 import org.onap.aaf.cadi.util.CSV;
  39 import org.onap.aaf.cadi.util.CSV.Visitor;
  40 import org.onap.aaf.cadi.util.CSV.Writer;
  41
  42 public class JU_CSV {
  43
  44         private String filename;
  45         private File file;
  46         private static ArrayList<Object> expected;
  47
  48         @Before
  49         public void start() {
  50                 filename = "Sample.csv";
  51                 file = new File(filename);
  52         }
  53
  54         @After
  55         public void end() {
  56                 if(file!=null) {
  57                         file.delete();
  58                 }
  59         }
  60
  61         @BeforeClass
  62         public static void before() {
  63                 expected = new ArrayList<>();
  64         }
  65
  66         @Test
  67         public void test() throws IOException, CadiException {
  68                 CSV csv = new CSV(file);
  69                 // Can't visit for file that doesn't exist
  70                 try {
  71                         csv.visit(new Visitor() {
  72                                 @Override
  73                                 public void visit(List<String> row) {
  74                                 }});
  75                 } catch(IOException e) {
  76                         Assert.assertTrue("CSV correctly created exception",true);
  77                 }
  78
  79                 Writer writer = csv.writer();
  80                 try {
  81                         writer.row(add("\"hello\""));
  82                         writer.comment("Ignore Comments");
  83                         writer.row(add("dXNlcjpwYXNzd29yZA=="),add("dXNlckBzb21ldGhpbmcub3JnOm90aGVyUGFzc3dvcmQ="));
  84                         writer.row(); // no output
  85                         writer.row(add("There is, but one thing to say"), add(" and that is"), add("\"All the best\""));
  86                 } finally {
  87                         writer.close();
  88                 }
  89
  90                 PrintStream garbage = new PrintStream(new FileOutputStream(file, true));
  91                 try {
  92                         garbage.println("# Ignore empty spaces, etc");
  93                         garbage.println("   ");
  94                         garbage.println("# Ignore blank lines");
  95                         garbage.println();
  96                 } finally {
  97                         garbage.close();
  98                 }
  99
 100
 101         ////////////
 102         // Tests
 103         ////////////
 104                 final Holder<Integer> hi = new Holder<>(0);
 105                 csv.visit(new CSV.Visitor() {
 106                         @Override
 107                         public void visit(List<String> row) {
 108                                 for(String s: row) {
 109 //                                      System.out.println(hi.value + ") " + s);
 110                                         Assert.assertEquals(expected.get(hi.value++),s);
 111                                 }
 112                         }
 113                 });
 114
 115         }
 116
 117         private String add(String s) {
 118                 expected.add(s);
 119                 return s;
 120         }
 121
 122 }