src/test/java/net/pterodactylus/sone/Matchers.java

   1 /*
   2  * Sone - Matchers.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;
  19
  20 import static com.google.common.base.Objects.equal;
  21 import static com.google.common.collect.Iterators.size;
  22 import static java.util.Arrays.asList;
  23 import static java.util.regex.Pattern.compile;
  24
  25 import java.io.IOException;
  26 import java.io.InputStream;
  27 import java.util.Collection;
  28 import java.util.Iterator;
  29 import java.util.List;
  30
  31 import freenet.support.SimpleFieldSet;
  32
  33 import com.google.common.base.Objects;
  34 import com.google.common.collect.Lists;
  35 import org.hamcrest.Description;
  36 import org.hamcrest.Matcher;
  37 import org.hamcrest.TypeSafeMatcher;
  38
  39 /**
  40  * Matchers used throughout the tests.
  41  *
  42  * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
  43  */
  44 public class Matchers {
  45
  46         public static Matcher<String> matchesRegex(final String regex) {
  47                 return new TypeSafeMatcher<String>() {
  48                         @Override
  49                         protected boolean matchesSafely(String item) {
  50                                 return compile(regex).matcher(item).matches();
  51                         }
  52
  53                         @Override
  54                         public void describeTo(Description description) {
  55                                 description.appendText("matches: ").appendValue(regex);
  56                         }
  57                 };
  58         }
  59
  60         public static Matcher<InputStream> delivers(final byte[] data) {
  61                 return new TypeSafeMatcher<InputStream>() {
  62                         byte[] readData = new byte[data.length];
  63
  64                         @Override
  65                         protected boolean matchesSafely(InputStream inputStream) {
  66                                 int offset = 0;
  67                                 try {
  68                                         while (true) {
  69                                                 int r = inputStream.read();
  70                                                 if (r == -1) {
  71                                                         return offset == data.length;
  72                                                 }
  73                                                 if (offset == data.length) {
  74                                                         return false;
  75                                                 }
  76                                                 if (data[offset] != (readData[offset] = (byte) r)) {
  77                                                         return false;
  78                                                 }
  79                                                 offset++;
  80                                         }
  81                                 } catch (IOException ioe1) {
  82                                         return false;
  83                                 }
  84                         }
  85
  86                         @Override
  87                         public void describeTo(Description description) {
  88                                 description.appendValue(data);
  89                         }
  90
  91                         @Override
  92                         protected void describeMismatchSafely(InputStream item, Description mismatchDescription) {
  93                                 mismatchDescription.appendValue(readData);
  94                         }
  95                 };
  96         }
  97
  98 }