add tunnelName to StepIntersection (#1179)

Author: korshaknn

services-directions-models/src/main/java/com/mapbox/api/directions/v5/models/StepIntersection.java

@@ -126,6 +126,15 @@ public Point location() {
   @Nullable
   public abstract List<IntersectionLanes> lanes();
 
+  /**
+   * Name of the tunnel. Value may be present if {@link #classes} contains "tunnel".
+   *
+   * @return name of the tunnel
+   */
+  @Nullable
+  @SerializedName("tunnel_name")
+  public abstract String tunnelName();
+
   /**
    * Convert the current {@link StepIntersection} to its builder holding the currently assigned
    * values. This allows you to modify a single property and then rebuild the object resulting in
@@ -245,6 +254,14 @@ public abstract static class Builder {
      */
     public abstract Builder lanes(@Nullable List<IntersectionLanes> lanes);
 
+    /**
+     * Name of the tunnel. Value is present only if class is tunnel.
+     *
+     * @param tunnelName name of the tunnel
+     * @return this builder for chaining options together
+     */
+    public abstract Builder tunnelName(@Nullable String tunnelName);
+
     /**
      * The rawLocation as a double array. Once the {@link StepIntersection} object's created,
      * this raw location gets converted into a {@link Point} object and is public exposed as such.

services-directions-models/src/test/java/com/mapbox/api/directions/v5/models/StepIntersectionTest.java

@@ -38,12 +38,12 @@ public void testSerializable() throws Exception {
 
   @Test
   public void testToFromJson1() {
-    StepIntersection intersection
-      = StepIntersection.builder()
+    StepIntersection intersection = StepIntersection.builder()
       .out(0)
       .entry(Arrays.asList(true))
       .bearings(Arrays.asList(125))
       .rawLocation(new double[]{13.426579, 52.508068})
+      .tunnelName("test tunnel")
       .build();
 
     String jsonString = intersection.toJson();
@@ -54,13 +54,13 @@ public void testToFromJson1() {
 
   @Test
   public void testToFromJson2() {
-    StepIntersection intersection
-      = StepIntersection.builder()
+    StepIntersection intersection = StepIntersection.builder()
       .in(0)
       .out(1)
       .entry(Arrays.asList(false, true, true))
       .bearings(Arrays.asList(120, 210, 300))
       .rawLocation(new double[]{13.424671, 52.508812})
+      .tunnelName("test tunnel")
       .build();
 
     String jsonString = intersection.toJson();
@@ -73,8 +73,11 @@ public void testToFromJson2() {
   @Test
   public void testFromJson() {
     String stepIntersectionJsonString = "{\"out\": 0, \"entry\": [true], \"bearings\": [ 125 ], "
+    + "\"tunnel_name\": \"test tunnel name\","
     + "\"location\": [ 13.426579, 52.508068 ] }";
+
     StepIntersection stepIntersection = StepIntersection.fromJson(stepIntersectionJsonString);
+    Assert.assertEquals("test tunnel name", stepIntersection.tunnelName());
 
     Point location = stepIntersection.location();
     Assert.assertEquals(13.426579, location.longitude(), 0.0001);