code: /*******************************************************************************
   * Copyright 2018 572682
   * 
   * 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 us.dot.its.jpo.ode.plugin.j2735.builders;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertNull;
  import static org.junit.Assert.assertTrue;
  import static org.junit.Assert.fail;
  
  import java.lang.reflect.Constructor;
  import java.lang.reflect.InvocationTargetException;
  import java.lang.reflect.Modifier;
  
  import org.junit.Test;
  
  import com.fasterxml.jackson.databind.node.ObjectNode;
  
  import us.dot.its.jpo.ode.util.JsonUtils;
  
  public class MassOrWeightBuilderTest {
  
  // TrailerMass tests
  
     /**
      * Test that an undefined trailer mass value of (0) returns (null)
      */
     @Test
     public void shouldReturnUndefinedTrailerMass() {
  
        ObjectNode testInput = JsonUtils.newNode().put("mass", 0);
  
        Integer expectedValue = null;
  
        Integer actualValue = MassOrWeightBuilder.genericTrailerMass(testInput.get("mass"));
  
        assertEquals(expectedValue, actualValue);
  
     }
  
     /**
      * Test that a minimum trailer mass of (1) returns (500)
      */
     @Test
     public void shouldReturnMinimumTrailerMass() {
        //
        ObjectNode testInput = JsonUtils.newNode().put("mass", 1);
  
        Integer expectedValue = 500;
  
        Integer actualValue = MassOrWeightBuilder.genericTrailerMass(testInput.get("mass"));
  
        assertEquals(expectedValue, actualValue);
  
     }
  
     /**
      * Test that a maximum trailer mass of (254) returns (127000)
      */
     @Test
     public void shouldReturnMaximumTrailerMass() {
  
        ObjectNode testInput = JsonUtils.newNode().put("mass", 254);
  
        Integer expectedValue = 127000;
  
        Integer actualValue = MassOrWeightBuilder.genericTrailerMass(testInput.get("mass"));
  
        assertEquals(expectedValue, actualValue);
  
     }
  
     /**
      * Test that a trailer mass of (255) indicates a trailer mass larger than
      * (127000)
      */
     @Test
     public void shouldReturnLargerTrailerMass() {
        ObjectNode testInput = JsonUtils.newNode().put("mass", 255);
  
        Integer expectedValue = 127000;
  
        Integer actualValue = MassOrWeightBuilder.genericTrailerMass(testInput.get("mass"));
  
        assertTrue(actualValue > expectedValue);
  
     }
  
     /**
      * Test that a known trailer mass of (123) returns (61500)
      */
     @Test
     public void shouldReturnKnownTrailerMass() {
        ObjectNode testInput = JsonUtils.newNode().put("mass", 123);
  
        Integer expectedValue = 61500;
  
        Integer actualValue = MassOrWeightBuilder.genericTrailerMass(testInput.get("mass"));
  
        assertEquals(expectedValue, actualValue);
  
     }
  
     /**
      * Test that an invalid trailer mass below (0) throws an exception
      */
     @Test
     public void shouldThrowExceptionTrailerMassBelowLowerBound() {
  
        ObjectNode testInput = JsonUtils.newNode().put("mass", -1);
  
        try {
           MassOrWeightBuilder.genericTrailerMass(testInput.get("mass"));
           fail("Expected IllegalArgumentException");
        } catch (RuntimeException e) {
           assertEquals(IllegalArgumentException.class, e.getClass());
        }
  
     }
  
     /**
      * Test that an invalid trailer mass above (255) throws an exception
      */
     @Test
     public void shouldThrowExceptionTrailerMassAboveUpperBound() {
  
        ObjectNode testInput = JsonUtils.newNode().put("mass", 256);
  
        try {
           MassOrWeightBuilder.genericTrailerMass(testInput.get("mass"));
           fail("Expected IllegalArgumentException");
        } catch (RuntimeException e) {
           assertEquals(IllegalArgumentException.class, e.getClass());
        }
  
     }
  
  // TrailerWeight tests
  
     /**
      * Test that a minimum trailer weight of (0) returns (0)
      */
     @Test
     public void shouldReturnMinimumTrailerWeight() {
        ObjectNode testInput = JsonUtils.newNode().put("weight", 0);
  
        Integer expectedValue = 0;
  
        Integer actualValue = MassOrWeightBuilder.genericTrailerWeight(testInput.get("weight"));
  
        assertEquals(expectedValue, actualValue);
  
     }
  
     /**
      * Test that a maximum trailer weight of (64255) returns (128510)
      */
     @Test
     public void shouldReturnMaximumTrailerWeight() {
        ObjectNode testInput = JsonUtils.newNode().put("weight", 64255);
  
        Integer expectedValue = 128510;
  
        Integer actualValue = MassOrWeightBuilder.genericTrailerWeight(testInput.get("weight"));
  
        assertEquals(expectedValue, actualValue);
  
     }
  
     /**
      * Test that a known trailer weight of (12500) returns (25000)
      */
     @Test
     public void shouldReturnKnownTrailerWeight() {
        ObjectNode testInput = JsonUtils.newNode().put("weight", 12500);
  
        Integer expectedValue = 25000;
  
        Integer actualValue = MassOrWeightBuilder.genericTrailerWeight(testInput.get("weight"));
  
        assertEquals(expectedValue, actualValue);
  
     }
  
     /**
      * Test that an invalid trailer weight below (0) throws an exception
      */
     @Test
     public void shouldThrowExceptionTrailerWeightBelowLowerBound() {
  
        ObjectNode testInput = JsonUtils.newNode().put("weight", -1);
  
        try {
           MassOrWeightBuilder.genericTrailerWeight(testInput.get("weight"));
           fail("Expected IllegalArgumentException");
        } catch (RuntimeException e) {
           assertEquals(IllegalArgumentException.class, e.getClass());
        }
  
     }
  
     /**
      * Test that an invalid trailer weight above (64255) throws an exception
      */
     @Test
     public void shouldThrowExceptionTrailerWeightAboveUpperBound() {
  
        ObjectNode testInput = JsonUtils.newNode().put("weight", 64256);
  
        try {
           MassOrWeightBuilder.genericTrailerWeight(testInput.get("weight"));
           fail("Expected IllegalArgumentException");
        } catch (RuntimeException e) {
           assertEquals(IllegalArgumentException.class, e.getClass());
        }
  
     }
  
  // VehicleMass tests
  
     /**
      * Test that an input vehicle mass in lowest 50kg step range of (0) returns
      * (0)
      */
     @Test
     public void shouldReturnMinimumVehicleMass50KGStep() {
  
        ObjectNode testInput = JsonUtils.newNode().put("mass", 0);
  
        Integer expectedValue = 0;
  
        Integer actualValue = MassOrWeightBuilder.genericVehicleMass(testInput.get("mass"));
  
        assertEquals(expectedValue, actualValue);
  
     }
  
     /**
      * Test that an input vehicle mass in highest 50kg step range of (80) returns
      * (4000)
      */
     @Test
     public void shouldReturnMaximumVehicleMass50KGStep() {
  
        ObjectNode testInput = JsonUtils.newNode().put("mass", 80);
  
        Integer expectedValue = 4000;
  
        Integer actualValue = MassOrWeightBuilder.genericVehicleMass(testInput.get("mass"));
  
        assertEquals(expectedValue, actualValue);
  
     }
  
     /**
      * Test that an input vehicle mass in lowest 500kg step range of (81) returns
      * (4500)
      */
     @Test
     public void shouldReturnMinimumVehicleMass500KGStep() {
  
        ObjectNode testInput = JsonUtils.newNode().put("mass", 81);
  
        Integer expectedValue = 4500;
  
        Integer actualValue = MassOrWeightBuilder.genericVehicleMass(testInput.get("mass"));
  
        assertEquals(expectedValue, actualValue);
  
     }
  
     /**
      * Test that an input vehicle mass in highest 500kg step range of (200)
      * returns (64000)
      */
     @Test
     public void shouldReturnMaximumVehicleMass500KGStep() {
  
        ObjectNode testInput = JsonUtils.newNode().put("mass", 200);
  
        Integer expectedValue = 64000;
  
        Integer actualValue = MassOrWeightBuilder.genericVehicleMass(testInput.get("mass"));
  
        assertEquals(expectedValue, actualValue);
  
     }
  
     /**
      * Test that an input vehicle mass in lowest 2000kg step range of (201)
      * returns (66000)
      */
     @Test
     public void shouldReturnMinimumVehicleMass2000KGStep() {
  
        ObjectNode testInput = JsonUtils.newNode().put("mass", 201);
  
        Integer expectedValue = 66000;
  
        Integer actualValue = MassOrWeightBuilder.genericVehicleMass(testInput.get("mass"));
  
        assertEquals(expectedValue, actualValue);
  
     }
  
     /**
      * Test that an input vehicle mass in highest 2000kg step range of (253)
      * returns (170000)
      */
     @Test
     public void shouldReturnMaximumVehicleMass2000KGStep() {
  
        ObjectNode testInput = JsonUtils.newNode().put("mass", 253);
  
        Integer expectedValue = 170000;
  
        Integer actualValue = MassOrWeightBuilder.genericVehicleMass(testInput.get("mass"));
  
        assertEquals(expectedValue, actualValue);
  
     }
  
     /**
      * Test that an input vehicle mass of (254) signifies a vehicle mass greater
      * than (170000)
      */
     @Test
     public void shouldReturnLargerVehicleMass() {
  
        ObjectNode testInput = JsonUtils.newNode().put("mass", 254);
  
        Integer expectedValue = 170000;
  
        Integer actualValue = MassOrWeightBuilder.genericVehicleMass(testInput.get("mass"));
  
        assertTrue(actualValue > expectedValue);
  
     }
  
     /**
      * Test that an input vehicle mass of (255) signifies an undefined vehicle
      * mass (null)
      */
     @Test
     public void shouldReturnUndefinedVehicleMass() {
  
        ObjectNode testInput = JsonUtils.newNode().put("mass", 255);
  
        Integer actualValue = MassOrWeightBuilder.genericVehicleMass(testInput.get("mass"));
  
        assertNull(actualValue);
  
     }
  
     /**
      * Test that an input vehicle mass below (0) throws an exception
      */
     @Test
     public void shouldThrowExceptionVehicleMassBelowLowerBound() {
  
        ObjectNode testInput = JsonUtils.newNode().put("mass", -1);
  
        try {
           MassOrWeightBuilder.genericVehicleMass(testInput.get("mass"));
           fail("Expected IllegalArgumentException");
        } catch (RuntimeException e) {
           assertEquals(IllegalArgumentException.class, e.getClass());
        }
  
     }
  
     /**
      * Test that an input vehicle mass above (255) throws an exception
      */
     @Test
     public void shouldThrowExceptionVehicleMassAboveUpperBound() {
  
        ObjectNode testInput = JsonUtils.newNode().put("mass", 256);
  
        try {
           MassOrWeightBuilder.genericVehicleMass(testInput.get("mass"));
           fail("Expected IllegalArgumentException");
        } catch (RuntimeException e) {
           assertEquals(IllegalArgumentException.class, e.getClass());
        }
  
     }
  
     @Test
     public void testConstructorIsPrivate()
           throws NoSuchMethodException, IllegalAccessException, InvocationTargetException, InstantiationException {
        Constructor<MassOrWeightBuilder> constructor = MassOrWeightBuilder.class.getDeclaredConstructor();
        assertTrue(Modifier.isPrivate(constructor.getModifiers()));
        constructor.setAccessible(true);
        try {
           constructor.newInstance();
           fail("Expected IllegalAccessException.class");
        } catch (Exception e) {
           assertEquals(InvocationTargetException.class, e.getClass());
        }
     }
  
  }
  