Added missing properties attribute to Feature model

CONTRIBUTING.md

@@ -0,0 +1,4 @@
+# Contributors Guide
+
+# Contributing to pydantic-geojson
+Sven Varkel <[email protected]>

README.md

@@ -304,6 +304,9 @@ from pydantic_geojson import FeatureModel
 
 data = {
     "type": "Feature",
+    "properties":{
+      "a_property": "a_value"
+    },
     "geometry": {
         "type": "Polygon",
         "coordinates": [
@@ -366,3 +369,10 @@ data = {
 >>> type='FeatureCollection' features=[FeatureModel(type='Feature', geometry=PointModel(type='Point', coordinates=Coordinates(lon=-80.870885, lat=35.215151))), FeatureModel(type='Feature', geometry=PolygonModel(type='Polygon', coordinates=[[Coordinates(lon=-80.724878, lat=35.265454), Coordinates(lon=-80.722646, lat=35.260338), Coordinates(lon=-80.720329, lat=35.260618), Coordinates(lon=-80.704793, lat=35.268397), Coordinates(lon=-80.724878, lat=35.265454)]]))]
 
 ```
+
+Testing
+------------
+
+```bash
+poetry run pytest
+```

pydantic_geojson/feature.py

@@ -1,4 +1,4 @@
-from typing import Union
+from typing import Union, Any
 
 from pydantic import BaseModel
 
@@ -13,6 +13,7 @@
 
 class FeatureModel(BaseModel):
     type: str = FeatureFieldType
+    properties: dict[str, Any]
     geometry: Union[
         PointModel,
         MultiPointModel,

tests/test_feature.py

@@ -14,21 +14,41 @@
                 [-80.704793, 35.268397],
                 [-82.715179, 35.267696],
                 [-80.721359, 35.267276],
-                [-80.724878, 35.265454]
+                [-80.724878, 35.265454],
             ]
-        ]
+        ],
+    },
+    "properties": {
+        "property1": "a string value",
+        "property2": 0.666,
+        "property3": 1,
+        "property4": True,
+        "property5": True,
+        "property6": None,
     },
-    "properties": {}
 }
 
 
 class TestFeatureModel:
 
     def test_geometry_model_type(self):
         f_model = FeatureModel(**data)
-        assert f_model.geometry.type == data['geometry']['type']
-        assert f_model.type == data['type']
+        assert f_model.geometry.type == data["geometry"]["type"]
+        assert f_model.type == data["type"]
 
     def test_model_type(self):
         f_model = FeatureModel(**data)
         assert f_model.type == FEATURE
+
+    def test_model_properties(self):
+        f_model = FeatureModel(**data)
+        assert f_model.type == FEATURE
+        assert isinstance(f_model.properties, dict)
+        assert f_model.properties == data["properties"]
+
+        assert f_model.type == FEATURE
+
+    def test_model_properties_with_validate(self):
+        f_model = FeatureModel.model_validate(data)
+        assert isinstance(f_model.properties, dict)
+        assert f_model.properties == data["properties"]