import pytest
from redmine_reporter.utils import hours_to_human, get_month_name_from_range, get_version


def test_hours_to_human():
    assert hours_to_human(0) == "0ч"
    assert hours_to_human(1.0) == "1ч"
    assert hours_to_human(2.5) == "2ч 30м"
    assert hours_to_human(0.75) == "45м"
    assert hours_to_human(3.1666) == "3ч 10м"  # ≈ 3ч 10м


def test_get_month_name_from_range():
    assert get_month_name_from_range("2026-01-01", "2026-01-31") == "Январь"
    assert get_month_name_from_range("2025-12-01", "2026-02-15") == "Февраль"  # берётся to_date
    assert get_month_name_from_range("invalid", "also_invalid") == "Январь"  # fallback


def test_get_version():
    class MockIssue:
        pass

    issue_with = MockIssue()
    issue_with.fixed_version = "v2.5.0"
    assert get_version(issue_with) == "v2.5.0"

    issue_without = MockIssue()
    assert get_version(issue_without) == "<N/A>"