use logging

tests/test_log_config.py

@@ -0,0 +1,28 @@
+import logging
+
+import pytest
+
+from nexus_sync.utils.log_config import LOG_LEVEL_ENV, configure_logging
+
+
+def test_configure_logging_uses_default_info_level(monkeypatch) -> None:
+    monkeypatch.delenv(LOG_LEVEL_ENV, raising=False)
+
+    configure_logging()
+
+    assert logging.getLogger().getEffectiveLevel() == logging.INFO
+
+
+def test_configure_logging_reads_level_from_env(monkeypatch) -> None:
+    monkeypatch.setenv(LOG_LEVEL_ENV, "debug")
+
+    configure_logging()
+
+    assert logging.getLogger().getEffectiveLevel() == logging.DEBUG
+
+
+def test_configure_logging_rejects_invalid_level(monkeypatch) -> None:
+    monkeypatch.setenv(LOG_LEVEL_ENV, "verbose")
+
+    with pytest.raises(ValueError, match="invalid log level"):
+        configure_logging()