Added tests for period str and repr. Fixes pandas-dev#53000

Author: Sylvain MARIE

pandas/tests/scalar/period/test_period.py

@@ -705,12 +705,41 @@ def test_to_timestamp_microsecond(self, ts, expected, freq):
     # --------------------------------------------------------------
     # Rendering: __repr__, strftime, etc
 
-    def test_repr(self):
-        p = Period("Jan-2000")
-        assert "2000-01" in repr(p)
-
-        p = Period("2000-12-15")
-        assert "2000-12-15" in repr(p)
+    @pytest.mark.parametrize("str_ts,freq,str_res", (
+        ("Jan-2000", None, "2000-01"),
+        ("2000-12-15", None, "2000-12-15"),
+        ("2000-12-15", "N", "2000-12-15 00:00:00.000000000"),
+        ("2000-12-15", "U", "2000-12-15 00:00:00.000000"),
+        ("2000-12-15", "L", "2000-12-15 00:00:00.000"),
+        ("2000-12-15", "S", "2000-12-15 00:00:00"),
+        ("2000-12-15", "T", "2000-12-15 00:00"),
+        ("2000-12-15", "H", "2000-12-15 00:00"),
+        # ("2000-12-15", "BH", "2000-12-15"),
+        # ("2000-12-15", "BYS", "2000-12-15"),
+        # ("2000-12-15", "YS", "2000-12-15"),
+        # ("2000-12-15", "BY", "2000-12-15"),
+        ("2000-12-15", "Y", "2000"),
+        # ("2000-12-15", "BQS", "2000-12-15"),
+        # ("2000-12-15", "QS", "2000-12-15"),
+        # ("2000-12-15", "BQ", "2000-12-15"),
+        ("2000-12-15", "Q", "2000Q4"),
+        # ("2000-12-15", "CBMS", "2000-12-15"),
+        # ("2000-12-15", "BMS", "2000-12-15"),
+        # ("2000-12-15", "SMS", "2000-12-15"),
+        # ("2000-12-15", "MS", "2000-12-15"),
+        # ("2000-12-15", "CBM", "2000-12-15"),
+        # ("2000-12-15", "BM", "2000-12-15"),
+        # ("2000-12-15", "SM", "2000-12-15"),
+        ("2000-12-15", "M", "2000-12"),
+        ("2000-12-15", "W", "2000-12-11/2000-12-17"),
+        ("2000-12-15", "D", "2000-12-15"),
+        # ("2000-12-15", "C", "2000-12-15"),
+        ("2000-12-15", "B", "2000-12-15"),
+    ))
+    def test_repr(self, str_ts, freq, str_res):
+        p = Period(str_ts, freq=freq)
+        assert str(p) == str_res
+        assert str_res in repr(p)
 
     def test_repr_nat(self):
         p = Period("nat", freq="M")