/*
 * 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.streams.plugins.pig.test;

import org.apache.commons.io.FileUtils;
import org.apache.maven.it.Verifier;
import org.apache.maven.it.util.ResourceExtractor;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.testng.Assert;
import org.testng.annotations.Test;

import java.io.File;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.stream.Collectors;
import java.util.stream.Stream;

/**
 * Tests that streams-plugin-pig running via maven generates pig resources.
 */
public class StreamsPigResourceGeneratorMojoIT {

  private static final Logger LOGGER = LoggerFactory.getLogger(StreamsPigResourceGeneratorMojoIT.class);

  @Test
  public void testStreamsPigResourceGeneratorMojo() throws Exception {

    File testDir = ResourceExtractor.simpleExtractResources( getClass(), "/streams-plugin-pig" );

    Verifier verifier;

    verifier = new Verifier( testDir.getAbsolutePath() );

    List<String> cliOptions = new ArrayList<>();
    cliOptions.add( "-N" );
    verifier.executeGoals(Stream.of(
        "clean",
        "dependency:unpack-dependencies",
        "generate-resources").collect(Collectors.toList()));

    verifier.verifyErrorFreeLog();

    verifier.resetStreams();

    File testOutput = new File(testDir.getAbsolutePath() + "/target/generated-resources/pig-mojo");

    Assert.assertNotNull(testOutput);
    Assert.assertTrue(testOutput.exists());
    Assert.assertTrue(testOutput.isDirectory());

    Collection<File> outputCollection = FileUtils.listFiles(testOutput, StreamsPigResourceGeneratorTest.pigFilter, true);
    Assert.assertEquals(outputCollection.size(), 133 );
  }
}