diff --git a/library/__init__.py b/library/__init__.py
new file mode 100644
index 000000000..e69de29bb
diff --git a/library/test_ceph_volume.py b/library/test_ceph_volume.py
new file mode 100644
index 000000000..46feff0d5
--- /dev/null
+++ b/library/test_ceph_volume.py
@@ -0,0 +1,36 @@
+from . import ceph_volume
+
+
+class TestCephVolumeModule(object):
+
+    def test_data_no_vg(self):
+        result = ceph_volume.get_data("/dev/sda", None)
+        assert result == "/dev/sda"
+
+    def test_data_with_vg(self):
+        result = ceph_volume.get_data("data-lv", "data-vg")
+        assert result == "data-vg/data-lv"
+
+    def test_journal_no_vg(self):
+        result = ceph_volume.get_journal("/dev/sda1", None)
+        assert result == "/dev/sda1"
+
+    def test_journal_with_vg(self):
+        result = ceph_volume.get_journal("journal-lv", "journal-vg")
+        assert result == "journal-vg/journal-lv"
+
+    def test_db_no_vg(self):
+        result = ceph_volume.get_db("/dev/sda1", None)
+        assert result == "/dev/sda1"
+
+    def test_db_with_vg(self):
+        result = ceph_volume.get_db("db-lv", "db-vg")
+        assert result == "db-vg/db-lv"
+
+    def test_wal_no_vg(self):
+        result = ceph_volume.get_wal("/dev/sda1", None)
+        assert result == "/dev/sda1"
+
+    def test_wal_with_vg(self):
+        result = ceph_volume.get_wal("wal-lv", "wal-vg")
+        assert result == "wal-vg/wal-lv"