237f26e5cb
Rewrite humanize_delta as a symmetric past/future ladder with sub-minute precision. Replace the bare ISO date fallback after 7 days with a day-month form (year suppressed when same as now). Refs spec docs/superpowers/specs/2026-05-16-timeago-shared-display-design.md. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
84 lines
2.8 KiB
Python
84 lines
2.8 KiB
Python
from datetime import UTC, datetime, timedelta
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import pytest
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from l4d2web.services.timeago import humanize_delta
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NOW = datetime(2026, 5, 16, 12, 0, 0, tzinfo=UTC)
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@pytest.mark.parametrize(
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("delta", "expected"),
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[
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(timedelta(0), "now"),
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(timedelta(seconds=1), "1 second ago"),
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(timedelta(seconds=2), "2 seconds ago"),
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(timedelta(seconds=59), "59 seconds ago"),
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(timedelta(seconds=60), "1 minute ago"),
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(timedelta(minutes=1), "1 minute ago"),
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(timedelta(minutes=2), "2 minutes ago"),
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(timedelta(minutes=59), "59 minutes ago"),
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(timedelta(minutes=60), "1 hour ago"),
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(timedelta(hours=1), "1 hour ago"),
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(timedelta(hours=2), "2 hours ago"),
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(timedelta(hours=23), "23 hours ago"),
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(timedelta(hours=24), "1 day ago"),
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(timedelta(days=1), "1 day ago"),
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(timedelta(days=2), "2 days ago"),
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(timedelta(days=6), "6 days ago"),
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(timedelta(days=7), "9 May"),
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(timedelta(days=30), "16 Apr"),
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(timedelta(days=120), "16 Jan"),
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(timedelta(days=365), "16 May 2025"),
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(timedelta(days=400), "11 Apr 2025"),
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],
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)
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def test_humanize_delta_past(delta, expected):
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then = NOW - delta
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assert humanize_delta(then, now=NOW) == expected
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@pytest.mark.parametrize(
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("delta", "expected"),
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[
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(timedelta(seconds=1), "in 1 second"),
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(timedelta(seconds=2), "in 2 seconds"),
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(timedelta(seconds=59), "in 59 seconds"),
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(timedelta(seconds=60), "in 1 minute"),
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(timedelta(minutes=2), "in 2 minutes"),
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(timedelta(minutes=59), "in 59 minutes"),
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(timedelta(hours=1), "in 1 hour"),
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(timedelta(hours=23), "in 23 hours"),
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(timedelta(days=1), "in 1 day"),
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(timedelta(days=6), "in 6 days"),
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(timedelta(days=7), "23 May"),
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(timedelta(days=30), "15 Jun"),
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(timedelta(days=365), "16 May 2027"),
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],
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)
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def test_humanize_delta_future(delta, expected):
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then = NOW + delta
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assert humanize_delta(then, now=NOW) == expected
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def test_humanize_delta_accepts_naive_input_as_utc():
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then_naive = (NOW - timedelta(minutes=5)).replace(tzinfo=None)
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assert humanize_delta(then_naive, now=NOW) == "5 minutes ago"
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def test_humanize_delta_accepts_naive_now_as_utc():
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then = NOW - timedelta(minutes=5)
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now_naive = NOW.replace(tzinfo=None)
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assert humanize_delta(then, now=now_naive) == "5 minutes ago"
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def test_humanize_delta_default_now_is_datetime_now_utc():
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then = datetime.now(UTC) - timedelta(seconds=3)
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assert humanize_delta(then) in {"3 seconds ago", "2 seconds ago", "4 seconds ago"}
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def test_humanize_delta_year_boundary_includes_year_when_years_differ():
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now = datetime(2026, 1, 15, 12, 0, 0, tzinfo=UTC)
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then = datetime(2025, 11, 15, 12, 0, 0, tzinfo=UTC)
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assert humanize_delta(then, now=now) == "15 Nov 2025"
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