src/test/java/net/pterodactylus/sone/template/JavascriptFilterTest.java

   1 package net.pterodactylus.sone.template;
   2
   3 import static org.hamcrest.MatcherAssert.assertThat;
   4 import static org.hamcrest.Matchers.is;
   5
   6 import net.pterodactylus.util.number.Hex;
   7
   8 import org.junit.Test;
   9
  10 /**
  11  * Unit test for {@link JavascriptFilter}.
  12  *
  13  * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
  14  */
  15 public class JavascriptFilterTest {
  16
  17         private final JavascriptFilter filter = new JavascriptFilter();
  18
  19         @Test
  20         public void filterEscapesAllCharactersBelowSpace() {
  21                 String source = buildStringWithAllCharactersToEscape();
  22                 String target = buildStringWithEscapedCharacters();
  23                 assertThat((String) filter.format(null, source, null), is("\"" + target + "\""));
  24         }
  25
  26         private String buildStringWithAllCharactersToEscape() {
  27                 StringBuilder stringBuilder = new StringBuilder();
  28                 for (int i = 0; i < 32; i++) {
  29                         stringBuilder.append((char) i);
  30                 }
  31                 stringBuilder.append('"').append("\\").append("!");
  32                 return stringBuilder.toString();
  33         }
  34
  35         private String buildStringWithEscapedCharacters() {
  36                 StringBuilder stringBuilder = new StringBuilder();
  37                 for (int i = 0; i < 32; i++) {
  38                         switch (i) {
  39                                 case 9:
  40                                         stringBuilder.append("\\t");
  41                                         break;
  42                                 case 10:
  43                                         stringBuilder.append("\\n");
  44                                         break;
  45                                 case 13:
  46                                         stringBuilder.append("\\r");
  47                                         break;
  48                                 default:
  49                                         stringBuilder.append("\\x").append(Hex.toHex(i, 2));
  50                         }
  51                 }
  52                 stringBuilder.append("\\\"").append("\\\\").append("!");
  53                 return stringBuilder.toString();
  54         }
  55
  56 }