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.calcite.avatica.shadetest;
  
  import org.junit.Test;
  
  import java.io.File;
  import java.io.IOException;
  import java.nio.file.FileSystems;
  import java.nio.file.Files;
  import java.nio.file.Path;
  import java.nio.file.PathMatcher;
  import java.util.Optional;
  import java.util.jar.JarFile;
  import java.util.regex.Pattern;
  
  import static org.junit.Assert.assertTrue;
  
  public class ShadingTest {
  
    // Note that many of these files could be excluded.
    // This is for regression testing, and not the minimum file set.
    String[] allowedPathPatterns = { "^META-INF", "^org/apache/calcite/",  ".*\\.proto",
        "^org/slf4j/", "^org/publicsuffix/", "^org/joou/" };
  
    @Test
    public void validateShadedJar() throws Exception {
  
      String patternString = String.join("|", allowedPathPatterns);
      Pattern allowedNames = Pattern.compile(patternString);
  
      try (JarFile jar = new JarFile(getShadedJarFile())) {
        jar.stream()
            .filter(c -> !c.isDirectory())
            .forEach(c -> {
              assertTrue(c.getName() + " does not match allowed names",
                  allowedNames.matcher(c.getName()).find());
            });
      }
    }
  
    private File getShadedJarFile() throws IOException {
  
      Path libPath = FileSystems.getDefault().getPath("").resolve("build/libs/").toAbsolutePath();
  
      PathMatcher matcher = FileSystems.getDefault()
          .getPathMatcher("glob:avatica-*-shadow.jar");
  
      Optional<Path> found = Files.list(libPath).filter(c -> matcher.matches(c.getFileName()))
          .findFirst();
      assertTrue("Could not find jar in " + libPath, found.isPresent());
  
      return found.get().toFile();
    }
  }
  