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.arrow.compression;
  
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  import static org.junit.jupiter.api.Assertions.assertThrows;
  
  import org.apache.arrow.vector.compression.CompressionCodec;
  import org.apache.arrow.vector.compression.CompressionUtil;
  import org.apache.arrow.vector.compression.NoCompressionCodec;
  import org.junit.jupiter.api.Test;
  
  public class TestCompressionCodecServiceProvider {
  
    /**
     * When arrow-compression is in the classpath/module-path, {@link
     * CompressionCodec.Factory#INSTANCE} should be able to handle all codec types.
     */
    @Test
    public void testSupportedCompressionTypes() {
      assertThrows( // no-compression doesn't support any actual compression types
          IllegalArgumentException.class,
          () -> checkAllCodecTypes(NoCompressionCodec.Factory.INSTANCE));
      assertThrows( // commons-compression doesn't support the uncompressed type
          IllegalArgumentException.class,
          () -> checkAllCodecTypes(CommonsCompressionFactory.INSTANCE));
      checkAllCodecTypes( // and the winner is...
          CompressionCodec.Factory.INSTANCE); // combines the two above to support all types
    }
  
    private void checkAllCodecTypes(CompressionCodec.Factory factory) {
      for (CompressionUtil.CodecType codecType : CompressionUtil.CodecType.values()) {
        assertNotNull(factory.createCodec(codecType));
      }
    }
  }
  