Add test for Client.nick-property

tsstats/tests/test_client.py

@@ -36,6 +36,18 @@ def test_client_repr(clients):
     assert str(clients['UID2']) == '<UID2, None>'
 
 
+def test_client_nick(clients):
+    _, cl1, _, _, _ = clients
+    assert cl1.nick is None
+    assert not cl1.nick_history
+    cl1.nick = 'Client1'
+    assert cl1.nick == 'Client1'
+    assert None not in cl1.nick_history
+    cl1.nick = 'NewClient1'
+    assert cl1.nick == 'NewClient1'
+    assert 'Client1' in cl1.nick_history
+
+
 def test_clients_iter(clients):
     clients, cl1, cl2, uidcl1, uidcl2 = clients
     client_list = list(iter(clients))