add test for utils module

tests/test_utils.py

@@ -0,0 +1,31 @@
+from tcmb import utils
+
+import pytest
+
+
+test_date_data = [
+    ("01-01-2024", "01-01-2024"),
+    ("17.12.2009", "17-12-2009"),
+    ("2011-06-18", "18-06-2011"),
+    ("2018.04.10", "10-04-2018"),
+]
+
+
+@pytest.mark.parametrize("date_str, expected", test_date_data)
+def test_standardize_date(date_str, expected):
+    result = utils.standardize_date(date_str)
+    print(result)
+    assert result == expected
+
+
+def test_wildcard_search():
+    items_expected = [
+        "TP.API.REP.TL.A12",
+        "TP.API.REP.TL.A23",
+        "TP.API.REP.TL.G1",
+        "TP.API.REP.TL.G1530",
+        "TP.API.REP.TL.G214",
+    ]
+    items = utils.wildcard_search("TP.API.REP.TL.*")
+
+    assert all(item in items_expected for item in items)