fixed typo in static map annotations and added tests for map annotations (#855)

Author: osana

services-staticmap/src/main/java/com/mapbox/api/staticmap/v1/models/StaticPolylineAnnotation.java

@@ -47,7 +47,7 @@ public String url() {
 
     sb.append("path");
     if (strokeWidth() != null) {
-      sb.append("-").append(strokeColor());
+      sb.append("-").append(strokeWidth());
     }
     if (strokeColor() != null) {
       sb.append("+").append(strokeColor());

services-staticmap/src/test/java/com/mapbox/api/staticmap/v1/models/StaticPolylineAnnotationTest.java

@@ -0,0 +1,72 @@
+package com.mapbox.api.staticmap.v1.models;
+
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.ExpectedException;
+
+import static org.junit.Assert.assertTrue;
+
+public class StaticPolylineAnnotationTest {
+
+  @Rule
+  public final ExpectedException exception = ExpectedException.none();
+
+  @Test
+  public void sanity() throws Exception {
+    StaticPolylineAnnotation staticPolylineAnnotation = StaticPolylineAnnotation.builder()
+      .polyline("test-polylineAnnotation")
+      .build();
+
+    System.err.print(">>>>>>>>  url=" +staticPolylineAnnotation.url());
+
+    // path-strokeWidth+strokeColor-strokeOpacity+fillColor-fillOpacity(polylineName)
+    // assertTrue(staticPolylineAnnotation.url().contains("path-10.0+646464-0.5+323232-0.75(test-polylineAnnotation)"));
+  }
+
+  @Test
+  public void polyline_ispresent() throws Exception {
+    exception.expect(IllegalStateException.class);
+    StaticPolylineAnnotation staticPolylineAnnotation = StaticPolylineAnnotation.builder()
+      .build();
+  }
+
+  @Test
+  public void url_annotations() throws Exception {
+    StaticPolylineAnnotation staticPolylineAnnotation = StaticPolylineAnnotation.builder()
+      .polyline("test-polylineAnnotation")
+      .strokeColor(100, 100, 100)
+      .strokeWidth(10.0)
+      .strokeOpacity(0.5f)
+      .fillColor(50, 50, 50)
+      .fillOpacity(0.75f)
+      .build();
+
+    // path-{strokeWidth}+{strokeColor}-{strokeOpacity}+{fillColor}-{fillOpacity}({polyline})
+    assertTrue(staticPolylineAnnotation.url().contains("path-10.0+646464-0.5+323232-0.75(test-polylineAnnotation)"));
+  }
+
+  @Test
+  public void url_annotations_stroke() throws Exception {
+    StaticPolylineAnnotation staticPolylineAnnotation = StaticPolylineAnnotation.builder()
+      .polyline("test-polylineAnnotation")
+      .strokeColor(100, 100, 100)
+      .strokeWidth(10.0)
+      .strokeOpacity(0.5f)
+      .build();
+
+    // path-{strokeWidth}+{strokeColor}-{strokeOpacity}+{fillColor}-{fillOpacity}({polyline})
+    assertTrue(staticPolylineAnnotation.url().contains("path-10.0+646464-0.5(test-polylineAnnotation)"));
+  }
+
+  @Test
+  public void url_annotations_fill() throws Exception {
+    StaticPolylineAnnotation staticPolylineAnnotation = StaticPolylineAnnotation.builder()
+      .polyline("test-polylineAnnotation")
+      .fillColor(50, 50, 50)
+      .fillOpacity(0.75f)
+      .build();
+
+    // path-{strokeWidth}+{strokeColor}-{strokeOpacity}+{fillColor}-{fillOpacity}({polyline})
+    assertTrue(staticPolylineAnnotation.url().contains("path+323232-0.75(test-polylineAnnotation)"));
+  }
+}