src/test/java/net/pterodactylus/sone/text/PartContainerTest.java

   1 /*
   2  * Sone - PartContainerTest.java - Copyright © 2013 David Roden
   3  *
   4  * This program is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation, either version 3 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 package net.pterodactylus.sone.text;
  19
  20 import static org.hamcrest.MatcherAssert.assertThat;
  21 import static org.hamcrest.Matchers.contains;
  22 import static org.hamcrest.Matchers.is;
  23
  24 import java.util.Iterator;
  25 import java.util.NoSuchElementException;
  26
  27 import org.hamcrest.Description;
  28 import org.hamcrest.Matcher;
  29 import org.hamcrest.TypeSafeMatcher;
  30 import org.junit.Before;
  31 import org.junit.Test;
  32
  33 /**
  34  * Unit test for {@link PartContainer}.
  35  *
  36  * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
  37  */
  38 public class PartContainerTest {
  39
  40         private final PartContainer partContainer = new PartContainer();
  41
  42         @Before
  43         public void setup() {
  44                 partContainer.add(createPart("Test!"));
  45                 partContainer.add(createPart(" More Test!"));
  46         }
  47
  48         @Test
  49         public void partContainerCanReturnContainedParts() {
  50                 assertThat(partContainer, contains(matchesPart("Test!"), matchesPart(" More Test!")));
  51         }
  52
  53         @Test
  54         public void partContainerCanReturnSpecificParts() {
  55                 assertThat(partContainer.getPart(0), matchesPart("Test!"));
  56                 assertThat(partContainer.getPart(1), matchesPart(" More Test!"));
  57         }
  58
  59         @Test
  60         public void partContainerKnowsTheNumberOfContainedParts() {
  61                 assertThat(partContainer.size(), is(2));
  62         }
  63
  64         @Test
  65         public void partContainerReturnsNestedPartsWhenIteratingOverIt() {
  66                 addNestedPartContainer();
  67                 assertThat(partContainer, contains(matchesPart("Test!"), matchesPart(" More Test!"), matchesPart(" (nested)")));
  68         }
  69
  70         @Test(expected = NoSuchElementException.class)
  71         public void throwsExceptionWhenIteratingOverTheEndOfTheIterator() {
  72                 Iterator<Part> parts = partContainer.iterator();
  73                 parts.next();
  74                 parts.next();
  75                 parts.next();
  76         }
  77
  78         @Test
  79         public void removingElementsFromTheIteratorDoesNotRemoveThemFromTheContainer() {
  80                 Iterator<Part> parts = partContainer.iterator();
  81                 parts.remove();
  82                 assertThat(partContainer.size(), is(2));
  83         }
  84
  85         @Test
  86         public void textOfContainedPartsIsConcatenated() {
  87                 addNestedPartContainer();
  88                 assertThat(partContainer.getText(), is("Test! More Test! (nested)"));
  89         }
  90
  91         @Test
  92         public void partsCanBeRemoved() {
  93                 partContainer.removePart(1);
  94                 assertThat(partContainer, contains(matchesPart("Test!")));
  95         }
  96
  97         private void addNestedPartContainer() {
  98                 Part nestedPart = createPart(" (nested)");
  99                 PartContainer nestedContainer = new PartContainer();
 100                 nestedContainer.add(nestedPart);
 101                 partContainer.add(nestedContainer);
 102         }
 103
 104         private static Matcher<Part> matchesPart(final String text) {
 105                 return new TypeSafeMatcher<Part>() {
 106                         @Override
 107                         protected boolean matchesSafely(Part part) {
 108                                 return part.getText().equals(text);
 109                         }
 110
 111                         @Override
 112                         public void describeTo(Description description) {
 113                                 description.appendValue(text);
 114                         }
 115                 };
 116         }
 117
 118         private static Part createPart(final String text) {
 119                 return new Part() {
 120                         @Override
 121                         public String getText() {
 122                                 return text;
 123                         }
 124
 125                         @Override
 126                         public boolean isPlainText() {
 127                                 return true;
 128                         }
 129
 130                         @Override
 131                         public boolean isFreenetLink() {
 132                                 return false;
 133                         }
 134                 };
 135         }
 136
 137 }