diff --git a/3_Codeabgabe/components/entitiy_ident/entity_ident_service/entity_ident_server.py b/3_Codeabgabe/components/entitiy_ident/entity_ident_service/entity_ident_server.py
index 23587b5..3a109a6 100644
--- a/3_Codeabgabe/components/entitiy_ident/entity_ident_service/entity_ident_server.py
+++ b/3_Codeabgabe/components/entitiy_ident/entity_ident_service/entity_ident_server.py
@@ -42,6 +42,9 @@ mongo.db.cars.update_one({"vin": "5GZCZ43D13S812716"}, {"$set": {"startingTime":
 
 @app.route('/api/v1/resources/cars', methods=['GET'])
 def get_cars():
+    """
+    Get all cars stored in entity ident database or filter by vin.
+    """
     query_parameters = request.args
     vin = query_parameters.get('vin')
 
@@ -55,6 +58,10 @@ def get_cars():
 
 @app.route('/api/v1/resources/traffic_lights', methods=['GET'])
 def get_traffic_lights():
+    """
+    Get all traffic lights stored in entity ident database or filter by id.
+    """
+
     query_parameters = request.args
     tl_id = query_parameters.get('id')
 
@@ -69,6 +76,10 @@ def get_traffic_lights():
 
 @app.route('/api/v1/resources/traffic_lights_geo', methods=['GET'])
 def get_traffic_lights_geo():
+    """
+    Get traffic light which is in range and south of coordinates (lat, lon).
+    """
+
     query_parameters = request.args
 
     lat = float(query_parameters.get('lat'))
diff --git a/3_Codeabgabe/components/entitiy_ident/entity_ident_service/test_ident_server.py b/3_Codeabgabe/components/entitiy_ident/entity_ident_service/test_ident_server.py
new file mode 100644
index 0000000..630ba3c
--- /dev/null
+++ b/3_Codeabgabe/components/entitiy_ident/entity_ident_service/test_ident_server.py
@@ -0,0 +1,31 @@
+import unittest
+
+import requests
+
+from components.entitiy_ident.entity_ident_service.entity_ident_server import app
+
+ENTITY_IDENT_URL = 'http://entityident:5002/api/v1/resources/'
+
+
+class TestIdentServer(unittest.TestCase):
+
+    def setUp(self) -> None:
+        self.app = app.test_client()
+
+    def test_get_traffic_lights(self):
+        response = requests.get(ENTITY_IDENT_URL + 'traffic_lights')
+        self.assertEqual(200, response.status_code)
+        data = response.json()['cursor']
+        self.assertIsNotNone(data[0]['id'])
+
+    def test_get_cars(self):
+        response = requests.get(ENTITY_IDENT_URL + 'cars')
+        self.assertEqual(200, response.status_code)
+        data = response.json()['cursor']
+        self.assertIsNotNone(data[0]['vin'])
+
+    def test_get_traffic_lights_geo(self):
+        response = requests.get(ENTITY_IDENT_URL + 'traffic_lights_geo?lat=47.92603&lon=16.20917')
+        self.assertEqual(200, response.status_code)
+        data = response.json()['cursor']
+        self.assertEqual('3', data[0]['id'])