/*-
 * ============LICENSE_START=======================================================
 * ONAP-PDP
 * ================================================================================
 * Copyright (C) 2017-2018 AT&T Intellectual Property. All rights reserved.
 * ================================================================================
 * 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.
 * ============LICENSE_END=========================================================
 */
package org.onap.policy.xacml.pdp;

import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import java.util.Properties;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mockito;
import org.powermock.api.mockito.PowerMockito;
import org.powermock.core.classloader.annotations.PrepareForTest;
import org.powermock.modules.junit4.PowerMockRunner;
import com.att.research.xacml.util.FactoryException;
import com.att.research.xacml.util.FactoryFinder;
import com.att.research.xacmlatt.pdp.eval.EvaluationContextFactory;

@RunWith(PowerMockRunner.class)
public class ONAPPDPEngineFactoryTest {
  @Test
  public final void testNewEngine() {
    ONAPPDPEngineFactory pdpEngine = new ONAPPDPEngineFactory();
    try {
      assertTrue(pdpEngine.newEngine() != null);
    } catch (Exception e) {
      fail("operation failed, e=" + e);
    }
  }

  @Test
  public final void testNewEngineProperties() {
    ONAPPDPEngineFactory pdpEngine = new ONAPPDPEngineFactory();
    Properties properties = new Properties();
    try {
      assertTrue(pdpEngine.newEngine(properties) != null);
    } catch (Exception e) {
      fail("operation failed, e=" + e);
    }
  }

  @PrepareForTest({EvaluationContextFactory.class, FactoryFinder.class})
  @Test(expected = FactoryException.class)
  public void negTestEngine() throws FactoryException {
    // Setup test data
    PowerMockito.mockStatic(FactoryFinder.class);
    PowerMockito.when(FactoryFinder.find(Mockito.any(), Mockito.any(), Mockito.any()))
        .thenReturn(null);

    // Negative test factory
    ONAPPDPEngineFactory factory = new ONAPPDPEngineFactory();
    factory.newEngine();
    fail("Expecting an exception.");
  }

  @PrepareForTest({EvaluationContextFactory.class, FactoryFinder.class})
  @Test(expected = FactoryException.class)
  public void negTestEngine2() throws FactoryException {
    // Setup test data
    PowerMockito.mockStatic(FactoryFinder.class);
    PowerMockito.when(FactoryFinder.find(Mockito.any(), Mockito.any(), Mockito.any()))
        .thenReturn(null);

    // Negative test factory
    ONAPPDPEngineFactory factory = new ONAPPDPEngineFactory();
    Properties properties = new Properties();
    factory.newEngine(properties);
    fail("Expecting an exception.");
  }
}