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test(intake): seed ATIF ingest spans relative to now to stay within TTL #587

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Merged
SandyChapman merged 1 commit into from
Jul 7, 2026
Merged

test(intake): seed ATIF ingest spans relative to now to stay within TTL #587

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10 changes: 8 additions & 2 deletions services/intake/tests/integration/spans/test_atif_ingest.py
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Original file line number Diff line number Diff line change
Expand Up @@ -12,8 +12,14 @@

_HISTORICAL_GTE = "2024-01-01T00:00:00Z"

# Frozen so ingested timestamps (and everything derived from them) are deterministic.
_BASE_TIME = datetime(2026, 1, 15, 12, 0, 0, tzinfo=timezone.utc)
# Seeded relative to "now" (not a fixed calendar date) with a fixed sub-second offset:
# - relative so the spans stay inside the 90-day ClickHouse TTL (see clickhouse_migrations.py); a
# fixed past date silently ages out of retention and this test flakes red (TTL eviction runs on
# async merges). ~45 days is well beyond the (removed) 30-day list lookback yet within retention.
# - .500000 microseconds so no derived timestamp lands on a whole second, which the span read-side
# returns without a fractional part (e.g. "...:12" vs "...:12.000000") and would fail exact matches.
# Everything derived from this base moves with it, so the reconstructed-timestamp assertions stay exact.
_BASE_TIME = (datetime.now(timezone.utc) - timedelta(days=45)).replace(microsecond=500_000)


def _atif_timestamp(dt: datetime) -> str:
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