From a62354f2cf0c7eeab59673df9ec175a302875d51 Mon Sep 17 00:00:00 2001
From: Christian Eland <eland.christian@gmail.com>
Date: Sun, 25 Oct 2020 02:07:41 -0300
Subject: [PATCH] test(test_git): get_tag_names should have List[Optional[str]]
 annotation

issue #285
---
 tests/test_git.py | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/tests/test_git.py b/tests/test_git.py
index 92abc2f04..650b720d3 100644
--- a/tests/test_git.py
+++ b/tests/test_git.py
@@ -1,3 +1,6 @@
+import inspect
+from typing import List, Optional, Union
+
 import pytest
 
 from commitizen import git
@@ -68,3 +71,9 @@ def test_get_commits_author_and_email():
 
     assert commit.author is not ""
     assert "@" in commit.author_email
+
+
+def test_get_tag_names_has_correct_arrow_annotation():
+    arrow_annotation = inspect.getfullargspec(git.get_tag_names).annotations["return"]
+
+    assert arrow_annotation == List[Optional[str]]