diff --git a/osxphotos/__init__.py b/osxphotos/__init__.py
index 5c436d81..c8629b3b 100644
--- a/osxphotos/__init__.py
+++ b/osxphotos/__init__.py
@@ -26,6 +26,15 @@ if not _DEBUG:
     logging.disable(logging.DEBUG)
 
 
+def _get_logger():
+    """Used only for testing
+    
+    Returns:
+        logging.Logger object -- logging.Logger object for osxphotos
+    """
+    return logging.Logger(__name__)
+
+
 def _debug(debug):
     """ Enable or disable debug logging """
     if debug:
diff --git a/tests/test_utils.py b/tests/test_utils.py
new file mode 100644
index 00000000..e3caa482
--- /dev/null
+++ b/tests/test_utils.py
@@ -0,0 +1,40 @@
+import pytest
+
+
+def test_debug_enable():
+    import osxphotos
+    import logging
+
+    osxphotos._debug(True)
+    logger = osxphotos._get_logger()
+    logging.warning(logger)
+    assert logger.isEnabledFor(logging.DEBUG)
+
+
+def test_debug_disable():
+    import osxphotos
+    import logging
+
+    osxphotos._debug(False)
+    logger = osxphotos._get_logger()
+    logging.warning(logger)
+    assert not logger.isEnabledFor(logging.DEBUG)
+
+
+def test_dd_to_dms():
+    # expands coverage for edge case in _dd_to_dms
+    from osxphotos.utils import _dd_to_dms
+
+    assert _dd_to_dms(-0.001) == (0, 0, -3.6)
+
+
+def test_get_system_library_path():
+    import osxphotos
+
+    _, major, _ = osxphotos.utils._get_os_version()
+    if int(major) < 15:
+        with pytest.raises(Exception):
+            assert osxphotos.utils.get_system_library_path()
+    else:
+        assert osxphotos.utils.get_system_library_path() is not None
+