Options#option receive and return generic varargs (DiUS#306)

Author: LeonardoFerreiraa

src/main/java/com/github/javafaker/Options.java

@@ -9,11 +9,23 @@ protected Options(Faker faker) {
         this.faker = faker;
     }
 
-
-    public String option(String... options) {
+    /**
+     * Returns a random element from an varargs.
+     *
+     * @param options The varargs to take a random element from.
+     * @param <E>   The type of the elements in the varargs.
+     * @return A randomly selected element from the varargs.
+     */
+    public <E> E option(E... options) {
         return options[faker.random().nextInt(options.length)];
     }
 
+    /**
+     * Returns a random element from Enum.
+     *
+     * @param enumeration The Enum to take a random element from.
+     * @return A randomly selected element from the enum.
+     */
     public <E extends Enum<E>> E option(Class<E> enumeration) {
         E[] enumConstants = enumeration.getEnumConstants();
         return enumConstants[faker.random().nextInt(enumConstants.length)];
@@ -22,7 +34,7 @@ public <E extends Enum<E>> E option(Class<E> enumeration) {
     /**
      * Returns a random element from an array.
      *
-     * @param array The array to take a random element fom.
+     * @param array The array to take a random element from.
      * @param <E>   The type of the elements in the array.
      * @return A randomly selected element from the array.
      */
@@ -33,7 +45,7 @@ public <E> E nextElement(E[] array) {
     /**
      * Returns a random element from a list.
      *
-     * @param list The list to take a random element fom.
+     * @param list The list to take a random element from.
      * @param <E>  The type of the elements in the list.
      * @return A randomly selected element from the list.
      */

src/test/java/com/github/javafaker/OptionsTest.java

@@ -25,10 +25,16 @@ public void testOptionWithArray() {
     }
 
     @Test
-    public void testOptionWithVarargs() {
+    public void testOptionWithVarargsString() {
         assertThat(faker.options().option("A", "B", "C"), isOneOf(options));
     }
 
+    @Test
+    public void testOptionWithVarargsInteger() {
+        Integer[] integerOptions = new Integer[] { 1, 3, 4, 5};
+        assertThat(faker.options().option(1, 3, 4, 5), isOneOf(integerOptions));
+    }
+
     @Test
     public void testOptionWithEnum() {
         assertThat(faker.options().option(Day.class), isOneOf(Day.values()));