package org.codehaus.plexus.languages.java.jpms;
   
   /*
    * 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.
   */
  import java.nio.file.Paths;
  
  import org.junit.jupiter.api.Test;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertNull;
  
  class ManifestModuleNameExtractorTest {
      private ManifestModuleNameExtractor extractor = new ManifestModuleNameExtractor();
  
      @Test
      void testNoManifestInJar() throws Exception {
          assertNull(extractor.extract(Paths.get("src/test/resources/jar.name/plexus-java-1.0.0-SNAPSHOT.jar")));
      }
  
      @Test
      void testManifestInJar() throws Exception {
          assertEquals(
                  "org.codehaus.plexus.languages.java",
                  extractor.extract(Paths.get("src/test/resources/jar.manifest.with/plexus-java-1.0.0-SNAPSHOT.jar")));
      }
  
      @Test
      void testNoManifestInDir() throws Exception {
          assertNull(extractor.extract(Paths.get("src/test/resources/empty/out")));
      }
  
      @Test
      void testEmptyManifestInDir() throws Exception {
          assertNull(extractor.extract(Paths.get("src/test/resources/manifest.without/out")));
      }
  
      @Test
      void testManifestInDir() throws Exception {
          assertEquals("auto.by.manifest", extractor.extract(Paths.get("src/test/resources/dir.manifest.with/out")));
      }
  }