content: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you under the Apache License, Version 2.0 (the
   * "License"); you may not use this file except in compliance
   * with the License.  You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.apache.beam.sdk.io;
  
  import static org.apache.beam.sdk.io.FileSystemUtils.wildcardToRegexp;
  import static org.junit.Assert.assertEquals;
  
  import org.junit.Test;
  import org.junit.runner.RunWith;
  import org.junit.runners.JUnit4;
  
  @RunWith(JUnit4.class)
  public class FileSystemUtilsTest {
  
    @Test
    public void testGlobTranslation() {
      assertEquals("foo", wildcardToRegexp("foo"));
      assertEquals("fo[^/]*o", wildcardToRegexp("fo*o"));
      assertEquals("f[^/]*o\\.[^/]", wildcardToRegexp("f*o.?"));
      assertEquals("foo-[0-9][^/]*", wildcardToRegexp("foo-[0-9]*"));
      assertEquals("foo-[0-9].*", wildcardToRegexp("foo-[0-9]**"));
      assertEquals(".*foo", wildcardToRegexp("**/*foo"));
      assertEquals(".*foo", wildcardToRegexp("**foo"));
      assertEquals("foo/[^/]*", wildcardToRegexp("foo/*"));
      assertEquals("foo[^/]*", wildcardToRegexp("foo*"));
      assertEquals("foo/[^/]*/[^/]*/[^/]*", wildcardToRegexp("foo/*/*/*"));
      assertEquals("foo/[^/]*/.*", wildcardToRegexp("foo/*/**"));
      assertEquals("foo.*baz", wildcardToRegexp("foo**baz"));
      assertEquals("foo\\\\", wildcardToRegexp("foo\\"));
      assertEquals("foo/bar\\\\baz[^/]*", wildcardToRegexp("foo/bar\\baz*"));
    }
  }
  