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package com.sun.enterprise.util;
import org.junit.Ignore;
import org.junit.Test;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
/**
* Tests for RegexUtil class's methods.
* @author Kedar Mhaswade
*/
public class RegexUtilTest {
@Test
public void testStarWithExtensionDot() {
String[] files = new String[]{"a.txt", "b.txt", "cc.txt"};
String glob = "*.txt"; //this is how glob pattern matches files in files array
String regex = RegexUtil.globToRegex(glob);
Pattern p = Pattern.compile(regex); //this regex should match all the files
for (String file : files) {
Matcher m = p.matcher(file);
assertTrue(file + " matches glob: " + glob, m.matches());
}
}
@Test
public void testStarWithoutExtensionDot() {
String[] files = new String[]{"a.txt", "b.txt", "cc.txt"};
String glob = "*txt"; //this is how glob pattern matches files in files array
String regex = RegexUtil.globToRegex(glob);
Pattern p = Pattern.compile(regex); //this regex should match all the files
for (String file : files) {
Matcher m = p.matcher(file);
assertTrue(file + " matches glob: " + glob, m.matches());
}
}
@Test
public void testStarDotStar() {
String glob = "*.*"; //should match only the strings that are file-name-like and have an extension
String regex = RegexUtil.globToRegex(glob);
Pattern p = Pattern.compile(regex); //this regex should match all the files
String str = "a.txt"; //*.* matches this
Matcher m = p.matcher(str);
assertTrue(str + " matches glob: " + glob, m.matches());
str = "noext"; //*.* should not match this
m = p.matcher(str); //again
assertFalse(str + " matches glob: " + glob, m.matches());
}
/**
* The test that tests some abnormalities that I am going to ignore for now. For example, glob pattern
* "*" does not match a hidden file like ".foo", but the regex returned here matches. There are
* a few other corner cases like that that I am going to ignore. Hopefully, they don't arise in our usage.
*/
@Test
@Ignore
public void cornerCases() {
String glob = "*";
String regex = RegexUtil.globToRegex(glob);
String str = ".hidden";
assertFalse(str + " matches glob: " + glob, Pattern.compile(regex).matcher(str).matches());
}
}