Agregando unit test y cambio menores en clase Gasolina

src/main/java/org/devdom/commons/Gasolina.java

@@ -29,7 +29,8 @@
 import org.devdom.commons.exceptions.MalformedXMLException;
 
 /**
- *
+ * Clase utilizada para obtener los precios de los carburantes en la República Dominicana
+ * 
  * @author Carlos Vásquez Polanco
  * @since 0.6.7
  */
@@ -56,14 +57,16 @@ public Gasolina() throws MalformedXMLException {
     }
 
     /**
-     * 
+     * Obtener objeto Feed con los precios actuales
+     * @see Feed
      * @return 
      */
     public Feed getCurrentPrices(){
         return feed;
     }
 
     /**
+     * Obtener el precio de un carburante dado el campo que desea ser evaluado
      * 
      * @param item
      * @return 
@@ -77,34 +80,66 @@ public double get(String item){
         return Double.parseDouble(parser.getProperty(feed, item));
     }
 
+    /**
+     * Obtener el títuto usado en el RSS por el Ministerio de Industria y Comercio
+     * @return 
+     */
     public String getTitle(){
         return feed.getTitle();
     }
 
+    /**
+     * Obtener el precio de la Gasolina Premium en la República Dominicana
+     * @return 
+     */
     public double getCurrentGasolinaPremiumPrice(){
         return get(Gasolina.GASOIL_PREMIUM);
     }
 
+    /**
+     * Obtener el precio de la Gasolina Regular en la República Dominicana
+     * @return 
+     */
     public double getCurrentGasolinaRegularPrice(){
         return get(Gasolina.GASOIL_REGULAR);
     }
 
+    /**
+     * Obtener el precio del Gasoil Premium en la República Dominicana
+     * @return 
+     */
     public double getCurrentGasoilPremiumPrice(){
         return get(Gasolina.GASOIL_PREMIUM);
     }
 
+    /**
+     * Obtener el precio del Gasoil Regular en la República Dominicana
+     * @return 
+     */
     public double getCurrentGasoilRegularPrice(){
         return get(Gasolina.GASOIL_REGULAR);
     }
 
+    /**
+     * Obtener el precio del Kerosene en la República Dominicana
+     * @return 
+     */
     public double getCurrentKerosenePrice(){
         return get(Gasolina.KEROSENE);
     }
 
+    /**
+     * Obtener el precio del Gas Licuado De Petroleo en la República Dominicana
+     * @return 
+     */
     public double getCurrentGasLicuadoDePetroleo(){
         return get(Gasolina.GAS_LICUADO_DE_PETROLEO);
     }
 
+    /**
+     * Obtener el precio del Gas Natural Vehicular en la República Dominicana
+     * @return 
+     */
     public double getCurrentGasNautralVehicular(){
         return get(Gasolina.GAS_NATURAL_VEHICULAR);
     }

src/test/java/org/devdom/commons/GasolinaTest.java

@@ -0,0 +1,77 @@
+/*
+ * The MIT License
+ *
+ * Copyright 2014 Developers Dominicanos.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+package org.devdom.commons;
+
+import org.devdom.commons.dto.Feed;
+import org.devdom.commons.exceptions.MalformedXMLException;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+import org.junit.Before;
+import org.junit.Test;
+
+/**
+ *
+ * @author Carlos Vásquez Polanco
+ */
+public class GasolinaTest {
+
+    private Gasolina gasolina;
+    private Feed feed;
+
+    public GasolinaTest() {
+    }
+
+    @Before
+    public void setUp() throws MalformedXMLException {
+        gasolina = new Gasolina();
+    }
+
+    /**
+     * Test of getCurrentPrices method, of class Gasolina.
+     */
+    @Test
+    public void testGetCurrentPrices() {
+        feed = gasolina.getCurrentPrices();
+        assertNotNull("El objeto retornó nulo", feed);
+        assertTrue("No retornó precios válidos", ( Double.parseDouble(feed.getGas89()) > 0) );
+    }
+
+    /**
+     * Test of getCurrentGasolinaPremiumPrice method, of class Gasolina.
+     */
+    @Test
+    public void testGetCurrentGasolinaPremiumPrice() {
+        assertTrue("No retornó precio para la gasolina premium", gasolina.get(Gasolina.GASOLINA_PREMIUM)>0);
+    }
+
+    /**
+     * Test of getCurrentGasolinaRegularPrice method, of class Gasolina.
+     */
+    @Test
+    public void testGetCurrentGasolinaRegularPrice() {
+        assertTrue("No retornó precio para la gasolina regular", gasolina.get(Gasolina.GASOLINA_REGULAR)>0);
+    }
+
+}