/**
 * 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.metron.dataloads.extractor;

import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;

import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

import static org.hamcrest.Matchers.notNullValue;
import static org.mockito.Matchers.isA;
import static org.mockito.Mockito.verify;

public class ExtractorDecoratorTest {

  @Mock
  Extractor extractor;

  @Before
  public void before() {
    MockitoAnnotations.initMocks(this);
  }

  @Test
  public void sets_member_variables() {
    ExtractorDecorator decorator = new ExtractorDecorator(extractor);
    Assert.assertThat(decorator.decoratedExtractor, notNullValue());
  }

  @Test
  public void calls_extractor_methods() throws IOException {
    ExtractorDecorator decorator = new ExtractorDecorator(extractor);
    decorator.initialize(new HashMap());
    decorator.extract("line");
    verify(extractor).initialize(isA(Map.class));
    verify(extractor).extract("line");
  }

}