diff --git a/tests/test_ident_map.py b/tests/test_ident_map.py
new file mode 100644
index 0000000..37ecf44
--- /dev/null
+++ b/tests/test_ident_map.py
@@ -0,0 +1,19 @@
+from tsstats import Clients, Client
+
+ident_map = {
+    1: 2,
+    5: 2,
+    'UID1': 'UID2',
+    'UID5': 'UID2'
+}
+clients = Clients(ident_map)
+
+
+def test_get_id():
+    assert clients[1].identifier == 2
+    assert clients[5].identifier == 2
+
+
+def test_get_uid():
+    assert clients['UID1'].identifier == 'UID2'
+    assert clients['UID5'].identifier == 'UID2'