Removed check of variable on dict.

flask_googlemaps/__init__.py

@@ -129,13 +129,10 @@ def build_marker_dict(self, marker, icon=None):
             marker_dict["icon"] = marker[3]
         return marker_dict
 
-    def add_marker(self, lat=None, lng=None, **kwargs):
-        if lat is not None:
-            kwargs["lat"] = lat
-        if lng is not None:
-            kwargs["lng"] = lng
+    def add_marker(self, **kwargs):
         if "lat" not in kwargs or "lng" not in kwargs:
             raise AttributeError("lat and lng required")
+
         self.markers.append(kwargs)
 
     def build_rectangles(self, rectangles):

flask_googlemaps/tests/test_map.py

@@ -0,0 +1,44 @@
+import pytest
+from flask_googlemaps import Map
+
+
+class TestFunctionAddMarker:
+    """
+        This Class is to test function add marker.
+    """
+
+    google_map = None
+
+    @pytest.fixture(autouse=True)
+    def config_test(self):
+        self.google_map = Map(
+            identifier="view-side",  # for DOM element
+            varname="mymap",  # for JS object name
+            lat=37.4419,
+            lng=-122.1419,
+        )
+
+    @pytest.mark.parametrize("marker", [{}, {"lat": 1}, {"lng": 1}])
+    def test_should_raise_attribute_error_when_is_missing_params(self, marker):
+        """
+            Test check the validation of marker.
+            This should raise expetion when the lat, lng or both are missing.
+        """
+        with pytest.raises(AttributeError) as error:
+            self.google_map.add_marker(**marker)
+
+        assert str(error.value) == "lat and lng required"
+
+    @pytest.mark.parametrize(
+        "marker",
+        [
+            {"lat": 10, "lng": 20, "icon": "red"},
+            {"lat": 10, "lng": 20, "icon": "red", "infobox": "teste"},
+        ],
+    )
+    def test_it_should_add_to_marker_list_a_new_valid_marker(self, marker):
+        """
+            Test check if add_marker is adding a new market to markers_list.
+        """
+        self.google_map.add_marker(**marker)
+        assert len(self.google_map.markers) == 1