init

tests/test_datetime_utils.py

@@ -0,0 +1,47 @@
+from datetime import datetime
+
+import pytest
+
+from services.common.datetime_utils import DateTimeGenerator
+
+
+def test_datetime_generator_supports_10_digit_timestamp():
+    bundle = DateTimeGenerator.bundle("1710912000")
+    assert bundle.epoch_seconds == 1710912000
+    assert bundle.epoch_millis == 1710912000000
+
+
+def test_datetime_generator_supports_13_digit_timestamp():
+    bundle = DateTimeGenerator.bundle("1710912000123")
+    assert bundle.epoch_millis == 1710912000123
+
+
+def test_datetime_generator_supports_yyyymmdd():
+    bundle = DateTimeGenerator.bundle("20260320")
+    assert bundle.yyyymmdd == "20260320"
+    assert bundle.date_str == "2026-03-20"
+
+
+def test_datetime_generator_supports_date_and_datetime_formats():
+    from_date = DateTimeGenerator.bundle("2026-03-20")
+    from_dt = DateTimeGenerator.bundle("2026-03-20 11:27:53")
+
+    assert from_date.date_str == "2026-03-20"
+    assert from_dt.datetime_str == "2026-03-20 11:27:53"
+
+
+def test_datetime_generator_supports_iso_and_datetime_objects():
+    from_iso = DateTimeGenerator.bundle("2026-03-20T11:27:53")
+    from_obj = DateTimeGenerator.bundle(datetime(2026, 3, 20, 11, 27, 53))
+
+    assert from_iso.date_str == "2026-03-20"
+    assert from_obj.datetime_str == "2026-03-20 11:27:53"
+
+
+def test_datetime_generator_invalid_value_behaviour():
+    fallback = DateTimeGenerator.bundle("not-a-date")
+    assert fallback.epoch_millis > 0
+
+    with pytest.raises(ValueError):
+        DateTimeGenerator.bundle("not-a-date", default_to_now=False)
+