Added test and small date fix.

tests/test_smhi.py

@@ -0,0 +1,68 @@
+# tests/test_smhi.py
+
+import pytest
+import requests
+from datetime import datetime
+from environment.smhi import SMHI
+from tools.geometry import Coordinate
+
+
+@pytest.fixture
+def smhi_client():
+    session = requests.Session()
+    location = Coordinate(56.2006, 12.5553)
+    return SMHI(location, session)
+
+
+def test_smhi_fire_warning_success(requests_mock, smhi_client):
+    # Mock a successful API response
+    mock_response = {
+        "timeSeries": [{"parameters": [{"name": "fwiindex", "values": [4]}]}]
+    }
+    # Intercept the exact URL your code generates
+    url = smhi_client.fire_warning_api.format(lon=12.5553, lat=56.2006)
+    requests_mock.get(url, json=mock_response, status_code=200)
+
+    # Run the function
+    result = smhi_client._get_fire_warning()
+
+    # Assert it succeeded and parsed the data correctly
+    assert result is True
+    assert smhi_client._data["fire_index"]["data"] == 4
+    assert isinstance(smhi_client._data["fire_index"]["valid_time"], datetime)
+
+
+def test_smhi_fire_warning_http_error(requests_mock, smhi_client, caplog):
+    # Mock SMHI's servers crashing (500 Internal Server Error)
+    url = smhi_client.fire_warning_api.format(lon=12.5553, lat=56.2006)
+    requests_mock.get(url, status_code=500)
+
+    result = smhi_client._get_fire_warning()
+
+    # Assert the function returned False instead of crashing the app
+    assert result is False
+    # Assert that our logger caught the HTTP error
+    assert "Network error getting SMHI Fire index" in caplog.text
+
+
+def test_smhi_fire_warning_timeout(requests_mock, smhi_client, caplog):
+    # Mock a network timeout
+    url = smhi_client.fire_warning_api.format(lon=12.5553, lat=56.2006)
+    requests_mock.get(url, exc=requests.exceptions.ConnectTimeout)
+
+    result = smhi_client._get_fire_warning()
+
+    assert result is False
+    assert "Network error getting SMHI Fire index" in caplog.text
+
+
+def test_smhi_bad_json_parsing(requests_mock, smhi_client, caplog):
+    # Mock SMHI returning incomplete/bad JSON that is missing the "parameters" key
+    mock_response = {"timeSeries": [{"wrong_key": "data"}]}
+    url = smhi_client.fire_warning_api.format(lon=12.5553, lat=56.2006)
+    requests_mock.get(url, json=mock_response, status_code=200)
+
+    result = smhi_client._get_fire_warning()
+
+    assert result is False
+    assert "Parsing error for SMHI Fire index" in caplog.text