Unit test for log creation.

tests/adler/utilities/test_adler_logging.py

@@ -0,0 +1,40 @@
+import glob
+import os
+import pytest
+import tempfile
+
+
+def test_setup_adler_logging():
+    from adler.utilities.adler_logging import setup_adler_logging
+
+    with tempfile.TemporaryDirectory() as dir_name:
+        logger = setup_adler_logging(dir_name)
+
+        # Check that the files get created.
+        errlog = glob.glob(os.path.join(dir_name, "*-adler.err"))
+        datalog = glob.glob(os.path.join(dir_name, "*-adler.log"))
+
+        assert os.path.exists(errlog[0])
+        assert os.path.exists(datalog[0])
+
+        # Log some information.
+        logger.info("Test1")
+        logger.info("Test2")
+        logger.error("Error1")
+        logger.info("Test3")
+
+        # Check that all five lines exist in the INFO file.
+        with open(datalog[0], "r") as f_info:
+            log_data = f_info.read()
+            assert "Test1" in log_data
+            assert "Test2" in log_data
+            assert "Error1" in log_data
+            assert "Test3" in log_data
+
+        # Check that only error and critical lines exist in the ERROR file.
+        with open(errlog[0], "r") as f_err:
+            log_data = f_err.read()
+            assert "Test1" not in log_data
+            assert "Test2" not in log_data
+            assert "Error1" in log_data
+            assert "Test3" not in log_data