--- a
+++ b/tests/utils/test_env.py
@@ -0,0 +1,26 @@
+import os
+import unittest
+
+import dosma
+from dosma.defaults import preferences
+from dosma.utils import env
+
+
+class TestEnv(unittest.TestCase):
+    def test_package_available(self):
+        assert env.package_available("dosma")
+        assert not env.package_available("blah")
+
+    def test_get_version(self):
+        assert env.get_version("dosma") == dosma.__version__
+
+    def test_debug(self):
+        os_env = os.environ.copy()
+
+        env.debug(True)
+        assert preferences.nipype_logging == "stream"
+
+        env.debug(False)
+        assert preferences.nipype_logging == "file_stderr"
+
+        os.environ = os_env  # noqa: B003