Add tests of Series.str.fullmatch

Add tests of Series.str.fullmatch Fix formatting

pandas/tests/test_strings.py

@@ -41,6 +41,7 @@ def assert_series_or_index_equal(left, right):
  ("join", (",",), {}),
  ("ljust", (10,), {}),
  ("match", ("a",), {}),
+ ("fullmatch", ("a",), {}),
  ("normalize", ("NFC",), {}),
  ("pad", (10,), {}),
  ("partition", (" ",), {"expand": False}),
@@ -1176,9 +1177,9 @@ def test_match(self):
  exp = Series([True, np.nan, False])
  tm.assert_series_equal(result, exp)
 
- values = Series(["fooBAD__barBAD", np.nan, "foo"])
+ values = Series(["fooBAD__barBAD", "BAD_BADleroybrown", np.nan, "foo"])
  result = values.str.match(".*BAD[_]+.*BAD")
- exp = Series([True, np.nan, False])
+ exp = Series([True, True, np.nan, False])
  tm.assert_series_equal(result, exp)
 
  # mixed
@@ -1208,6 +1209,27 @@ def test_match(self):
  exp = Series([True, np.nan, np.nan])
  tm.assert_series_equal(exp, res)
 
+ def test_fullmatch(self):
+ values = Series(["fooBAD__barBAD", "BAD_BADleroybrown", np.nan, "foo"])
+ result = values.str.fullmatch(".*BAD[_]+.*BAD")
+ exp = Series([True, False, np.nan, False])
+ tm.assert_series_equal(result, exp)
+
+ # Make sure that flags work
+ from re import IGNORECASE
+
+ result = values.str.fullmatch(".*Bad[_]+.*bad", flags=IGNORECASE)
+ tm.assert_series_equal(result, exp)
+
+ # Make sure that the new string arrays work
+ string_values = Series(
+ ["fooBAD__barBAD", "BAD_BADleroybrown", np.nan, "foo"], dtype="string"
+ )
+ result = string_values.str.fullmatch(".*BAD[_]+.*BAD")
+ # Result is nullable boolean with StringDtype
+ string_exp = Series([True, False, np.nan, False], dtype="boolean")
+ tm.assert_series_equal(result, string_exp)
+
  def test_extract_expand_None(self):
  values = Series(["fooBAD__barBAD", np.nan, "foo"])
  with pytest.raises(ValueError, match="expand must be True or False"):