Files
discord-reminder-bot/tests/test_parser.py

69 lines
2.5 KiB
Python

from __future__ import annotations
import zoneinfo
from typing import TYPE_CHECKING
import pytest
from discord_reminder_bot.parser import parse_time
if TYPE_CHECKING:
from datetime import datetime
def test_parse_time_valid_date_and_timezone() -> None:
"""Test the `parse_time` function to ensure it correctly parses a date string into a datetime object."""
date_to_parse = "2023-10-10 10:00:00"
timezone = "UTC"
result: datetime | None = parse_time(date_to_parse, timezone)
assert result is not None
assert result.tzinfo is not None
assert result.strftime("%Y-%m-%d %H:%M:%S") == "2023-10-10 10:00:00"
def test_parse_time_no_date() -> None:
"""Test the `parse_time` function to ensure it correctly handles no date provided."""
date_to_parse = None
timezone = "UTC"
result: datetime | None = parse_time(date_to_parse, timezone)
assert result is None
def test_parse_time_no_timezone() -> None:
"""Test the `parse_time` function to ensure it correctly handles no timezone provided."""
date_to_parse = "2023-10-10 10:00:00"
timezone = None
result: datetime | None = parse_time(date_to_parse, timezone)
assert result is None
def test_parse_time_invalid_date() -> None:
"""Test the `parse_time` function to ensure it correctly handles an invalid date string."""
date_to_parse = "invalid date"
timezone = "UTC"
result: datetime | None = parse_time(date_to_parse, timezone)
assert result is None
def test_parse_time_invalid_timezone() -> None:
"""Test the `parse_time` function to ensure it correctly handles an invalid timezone."""
date_to_parse = "2023-10-10 10:00:00"
timezone = "Invalid/Timezone"
with pytest.raises(zoneinfo.ZoneInfoNotFoundError):
parse_time(date_to_parse, timezone)
def test_parse_time_with_env_timezone(monkeypatch: pytest.MonkeyPatch) -> None:
"""Test the `parse_time` function to ensure it correctly parses a date string into a datetime object using the timezone from the environment."""
date_to_parse = "2023-10-10 10:00:00"
result: datetime | None = parse_time(date_to_parse, "UTC")
assert_msg: str = "Expected datetime object, got None"
assert result is not None, assert_msg
assert_msg = "Expected timezone-aware datetime object, got naive datetime object"
assert result.tzinfo is not None, assert_msg
assert_msg = f"Expected 2023-10-10 10:00:00, got {result.strftime('%Y-%m-%d %H:%M:%S')}"
assert result.strftime("%Y-%m-%d %H:%M:%S") == "2023-10-10 10:00:00", assert_msg