diff --git a/api/test/test_edr.py b/api/test/test_edr.py
new file mode 100644
index 00000000..745202a2
--- /dev/null
+++ b/api/test/test_edr.py
@@ -0,0 +1,77 @@
+import json
+from unittest.mock import patch
+
+import datastore_pb2 as dstore
+from fastapi.testclient import TestClient
+from google.protobuf.json_format import Parse
+from main import app
+
+
+client = TestClient(app)
+
+
+def test_get_locations_id_with_single_parameter_query_without_format():
+    with patch("routers.edr.getObsRequest") as mock_getObsRequest:
+        test_data = load_json("test/test_data/test_single_proto.json")
+        compare_data = load_json("test/test_data/test_single_covjson.json")
+
+        mock_getObsRequest.return_value = create_mock_obs_response(test_data)
+
+        response = client.get(
+            "/collections/observations/locations/06260?"
+            + "parameter-name=ff&datetime=2022-12-31T00:00:00Z/2022-12-31T01:00:00Z"
+        )
+
+        # Check that getObsRequest gets called with correct arguments given in query
+        mock_getObsRequest.assert_called_once()
+        assert "ff" in mock_getObsRequest.call_args[0][0].filter["instrument"].values
+        assert "06260" in mock_getObsRequest.call_args[0][0].filter["platform"].values
+
+        assert response.status_code == 200
+        assert response.json()["type"] == "Coverage"
+        assert response.json() == compare_data
+
+
+def test_get_locations_id_without_parameter_names_query():
+    with patch("routers.edr.getObsRequest") as mock_getObsRequest:
+        test_data = load_json("test/test_data/test_multiple_proto.json")
+        compare_data = load_json("test/test_data/test_multiple_covjson.json")
+
+        mock_getObsRequest.return_value = create_mock_obs_response(test_data)
+
+        response = client.get("/collections/observations/locations/06260?f=covjson")
+
+        # Check that getObsRequest gets called with correct arguments when no parameter names are given
+        # in query
+        mock_getObsRequest.assert_called_once()
+        assert "*" in mock_getObsRequest.call_args[0][0].filter["instrument"].values
+
+        assert response.status_code == 200
+        assert response.json() == compare_data
+
+
+def test_get_locations_id_with_incorrect_datetime_format():
+    response = client.get("/collections/observations/locations/06260?datetime=20221231T000000Z/20221231T010000Z")
+
+    assert response.status_code == 422
+    assert response.json() == {"detail": {"datetime": "Invalid format: 20221231T000000Z/20221231T010000Z"}}
+
+
+def test_get_locations_id_with_incorrect_datetime_range():
+    response = client.get(
+        "/collections/observations/locations/06260?datetime=2024-12-31T00:00:00Z/2022-12-31T01:00:00Z"
+    )
+
+    assert response.status_code == 422
+    assert response.json() == {"detail": {"datetime": "Invalid range: 2024-12-31T00:00:00Z > 2022-12-31T01:00:00Z"}}
+
+
+def create_mock_obs_response(json_data):
+    response = dstore.GetObsResponse()
+    Parse(json.dumps(json_data), response)
+    return response
+
+
+def load_json(file_path):
+    with open(file_path, "r") as file:
+        return json.load(file)