refactor test_maybe_match_name

Author: minggli

pandas/tests/test_common.py

@@ -168,29 +168,15 @@ def test_random_state():
         com._random_state(5.5)
 
 
-def test_maybe_match_name():
-
-    matched = ops._maybe_match_name(
-        Series([1], name='x'), Series(
-            [2], name='x'))
-    assert (matched == 'x')
-
-    matched = ops._maybe_match_name(
-        Series([1], name='x'), Series(
-            [2], name='y'))
-    assert (matched is None)
-
-    matched = ops._maybe_match_name(Series([1]), Series([2], name='x'))
-    assert (matched is None)
-
-    matched = ops._maybe_match_name(Series([1], name='x'), Series([2]))
-    assert (matched is None)
-
-    matched = ops._maybe_match_name(Series([1], name='x'), [2])
-    assert (matched == 'x')
-
-    matched = ops._maybe_match_name([1], Series([2], name='y'))
-    assert (matched == 'y')
+@pytest.mark.parametrize('left, right, expected', [
+    (Series([1], name='x'), Series([2], name='x'), 'x'),
+    (Series([1], name='x'), Series([2], name='y'), None),
+    (Series([1]), Series([2], name='x'), None),
+    (Series([1], name='x'), Series([2]), None),
+    (Series([1], name='x'), [2], 'x'),
+    ([1], Series([2], name='y'), 'y')])
+def test_maybe_match_name(left, right, expected):
+    assert ops._maybe_match_name(left, right) == expected
 
 
 def test_dict_compat():