add config validation tests

Author: rtuszik

tests/utils/test_validate_config.py

@@ -0,0 +1,59 @@
+import pytest
+
+from src.utils import config
+from src.utils.validate_config import validate_config
+
+
+def _set_base_config(monkeypatch: pytest.MonkeyPatch):
+    monkeypatch.setattr(config, "UPDATE_STRATEGY", "SEQUENTIAL")
+    monkeypatch.setattr(config, "UPDATE_INTERVAL", "30d")
+    monkeypatch.setattr(config, "REGION", None)
+
+
+def test_validate_config_accepts_valid_configuration(monkeypatch: pytest.MonkeyPatch):
+    _set_base_config(monkeypatch)
+
+    validate_config()
+
+
+@pytest.mark.parametrize("strategy", ["parallel", "FULL", ""])
+def test_validate_config_rejects_invalid_strategy(monkeypatch: pytest.MonkeyPatch, strategy: str):
+    _set_base_config(monkeypatch)
+    monkeypatch.setattr(config, "UPDATE_STRATEGY", strategy)
+
+    with pytest.raises(ValueError, match=f"Invalid UPDATE_STRATEGY: '{strategy}'"):
+        validate_config()
+
+
+@pytest.mark.parametrize("interval", ["30", "d30", "30w", "1D", ""])
+def test_validate_config_rejects_invalid_interval(monkeypatch: pytest.MonkeyPatch, interval: str):
+    _set_base_config(monkeypatch)
+    monkeypatch.setattr(config, "UPDATE_INTERVAL", interval)
+
+    with pytest.raises(ValueError, match=f"Invalid UPDATE_INTERVAL format: '{interval}'"):
+        validate_config()
+
+
+def test_validate_config_rejects_invalid_region(monkeypatch: pytest.MonkeyPatch):
+    _set_base_config(monkeypatch)
+    monkeypatch.setattr(config, "REGION", "atlantis")
+
+    with pytest.raises(ValueError, match="Invalid REGION: 'atlantis'"):
+        validate_config()
+
+
+def test_validate_config_reports_multiple_errors(monkeypatch: pytest.MonkeyPatch):
+    _set_base_config(monkeypatch)
+    monkeypatch.setattr(config, "UPDATE_STRATEGY", "WRONG")
+    monkeypatch.setattr(config, "UPDATE_INTERVAL", "hourly")
+    monkeypatch.setattr(config, "REGION", "atlantis")
+
+    with pytest.raises(ValueError) as exc_info:
+        validate_config()
+
+    message = str(exc_info.value)
+
+    assert "Configuration validation failed:" in message
+    assert "Invalid UPDATE_STRATEGY: 'WRONG'" in message
+    assert "Invalid UPDATE_INTERVAL format: 'hourly'" in message
+    assert "Invalid REGION: 'atlantis'" in message