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/*
 * Copyright 2015 Objectos, Fábrica de Software LTDA.
 *
 * Licensed 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 br.com.objectos.testable;

import java.util.List;
import java.util.stream.Collectors;

/**
 * @author [email protected] (Marcio Endo)
 */
abstract class AbstractTester {

  private final Class type;
  private final List> propertyList;
  private final TestMap testMap;

  AbstractTester(Class type, List> propertyList, TestMap testMap) {
    this.type = type;
    this.propertyList = propertyList;
    this.testMap = testMap;
  }

  public final Equality test(T a, Object b) {
    if (a == b) {
      return Equality.equal();
    }

    if (b == null) {
      return Equality.nullValue();
    }

    if (type != null && !type.isInstance(b)) {
      Class typeB = b.getClass();
      return Equality.typeNotEqual(type, typeB);
    }

    @SuppressWarnings("unchecked")
    T that = (T) b;
    List equalitList = propertyList.stream()
        .map(property -> property.test(a, that, testMap))
        .collect(Collectors.toList());
    return new EqualityPojo(equalitList);
  }

}