RegexPathMatcherTest.java

package com.github.marschall.memoryfilesystem;

import static org.junit.Assert.assertEquals;

import java.nio.file.FileSystem;
import java.nio.file.Path;
import java.nio.file.PathMatcher;
import java.util.Arrays;
import java.util.List;

import org.junit.Rule;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameters;

@RunWith(Parameterized.class)
public class RegexPathMatcherTest {

  @Rule
  public final FileSystemRule rule = new FileSystemRule();

  private final String p;
  private final boolean expected;
  private final String pattern;

  public RegexPathMatcherTest(String pattern, String path, boolean expected) {
    this.p = path;
    this.expected = expected;
    this.pattern = pattern;
  }

  @Test
  public void matchesUpperCase() {
    FileSystem fileSystem = this.rule.getFileSystem();
    Path path = fileSystem.getPath(this.p);
    PathMatcher matcher = fileSystem.getPathMatcher(RegexPathMatcher.name().toUpperCase() + ":" + this.pattern);
    assertEquals(this.expected, matcher.matches(path));
  }

  @Test
  public void matchesLowerCase() {
    FileSystem fileSystem = this.rule.getFileSystem();
    Path path = fileSystem.getPath(this.p);
    PathMatcher matcher = fileSystem.getPathMatcher(RegexPathMatcher.name().toLowerCase() + ":" + this.pattern);
    assertEquals(this.expected, matcher.matches(path));
  }

  @Parameters
  public static List<Object[]> data() {
    return Arrays.asList(new Object[][] {
            { ".*\\.java", "GlobPathMatcherTest.java", true },
            { ".*\\.java", ".java", true },
            { ".*\\.java", ".jav.java", true },
            { ".*\\.java", ".jav.java", true },
            { ".*\\.java", ".jav", false },
            { ".*\\.java", "java", false },

            { ".*\\..*", "GlobPathMatcherTest.java", true },
            { ".*\\..*", ".java", true },
            { ".*\\..*", ".jav.java", true },
            { ".*\\..*", ".jav.java", true },
            { ".*\\..*", "jav.java", true },
            { ".*\\..*", "java.", true },
            { ".*\\..*", "java", false },

            { ".*\\.((java)|(class))", "GlobPathMatcherTest.java", true },
            { ".*\\.((java)|(class))", ".java", true },
            { ".*\\.((java)|(class))", ".jav.java", true },
            { ".*\\.((java)|(class))", ".jav.java", true },
            { ".*\\.((java)|(class))", ".jav", false },
            { ".*\\.((java)|(class))", "java", false },
            { ".*\\.((java)|(class))", "GlobPathMatcherTest.class", true },
            { ".*\\.((java)|(class))", ".class", true },
            { ".*\\.((java)|(class))", ".clas.class", true },
            { ".*\\.((java)|(class))", ".clas.class", true },
            { ".*\\.((java)|(class))", ".clas", false },
            { ".*\\.((java)|(class))", "class", false },

            { "foo\\..", "foo.", false },
            { "foo\\..", "foo.?.", false },
            { "foo\\..", "foo.?", true },
            { "foo\\..", "foo.f", true },

            { "/home/[^/]*/[^/]*", "/home/gus/data", true },
            { "/home/[^/]*/[^/]*", "/home/gus/.data", true },
            { "/home/[^/]*/[^/]*", "/home/gus/data/backup", false },
            { "/home/[^/]*/[^/]*", "/home/gus", false },

            { "/home/.*", "/home/gus/data", true },
            { "/home/.*", "/home/gus", true },

            //        { "C:\\\\*", "C:\\foo", true },
            //        { "C:\\\\*", "C:\\bar", true },

    });
  }

}