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 public class JavascriptFilterTest {
  14
  15         private final JavascriptFilter filter = new JavascriptFilter();
  16
  17         @Test
  18         public void filterEscapesAllCharactersBelowSpace() {
  19                 String source = buildStringWithAllCharactersToEscape();
  20                 String target = buildStringWithEscapedCharacters();
  21                 assertThat((String) filter.format(null, source, null), is("\"" + target + "\""));
  22         }
  23
  24         private String buildStringWithAllCharactersToEscape() {
  25                 StringBuilder stringBuilder = new StringBuilder();
  26                 for (int i = 0; i < 32; i++) {
  27                         stringBuilder.append((char) i);
  28                 }
  29                 stringBuilder.append('"').append("\\").append("!");
  30                 return stringBuilder.toString();
  31         }
  32
  33         private String buildStringWithEscapedCharacters() {
  34                 StringBuilder stringBuilder = new StringBuilder();
  35                 for (int i = 0; i < 32; i++) {
  36                         switch (i) {
  37                                 case 9:
  38                                         stringBuilder.append("\\t");
  39                                         break;
  40                                 case 10:
  41                                         stringBuilder.append("\\n");
  42                                         break;
  43                                 case 13:
  44                                         stringBuilder.append("\\r");
  45                                         break;
  46                                 default:
  47                                         stringBuilder.append("\\x").append(Hex.toHex(i, 2));
  48                         }
  49                 }
  50                 stringBuilder.append("\\\"").append("\\\\").append("!");
  51                 return stringBuilder.toString();
  52         }
  53
  54 }