guke
55 lines
1.8 KiB
Python
55 lines
1.8 KiB
Python
"""埋点健康度聚合:纯差分函数 + admin 端点。"""
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from __future__ import annotations
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from datetime import datetime, timezone
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from app.admin.repositories.analytics_health import diff_snapshots
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def _row(device, epoch, event, ts, **cum) -> dict:
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base = {"attempted": 0, "drop_capture": 0, "delivered": 0, "drop_undelivered": 0}
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base.update(cum)
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return {
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"device_id": device, "epoch_id": epoch, "event": event,
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"created_at": datetime(2026, 7, 1, ts, 0, tzinfo=timezone.utc),
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"app_ver": "0.2.12(62)", "oem": "ColorOS", "os": "Android 14",
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**base,
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}
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def test_diff_first_row_is_full_cumulative() -> None:
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rows = [_row("d", "e", "video_play", 1, attempted=100, delivered=90)]
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out = diff_snapshots(rows)
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assert len(out) == 1
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assert out[0]["d_attempted"] == 100
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assert out[0]["d_delivered"] == 90
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def test_diff_consecutive_delta() -> None:
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rows = [
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_row("d", "e", "video_play", 1, attempted=100, delivered=90),
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_row("d", "e", "video_play", 2, attempted=150, delivered=140),
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]
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out = sorted(diff_snapshots(rows), key=lambda r: r["created_at"])
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assert out[1]["d_attempted"] == 50
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assert out[1]["d_delivered"] == 50
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def test_diff_epoch_reset_new_partition() -> None:
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rows = [
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_row("d", "e1", "video_play", 1, attempted=100),
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_row("d", "e2", "video_play", 2, attempted=5),
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]
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out = {(r["epoch_id"]): r["d_attempted"] for r in diff_snapshots(rows)}
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assert out["e1"] == 100
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assert out["e2"] == 5
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def test_diff_clamps_negative_on_reorder() -> None:
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rows = [
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_row("d", "e", "video_play", 1, attempted=100),
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_row("d", "e", "video_play", 2, attempted=80),
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]
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out = sorted(diff_snapshots(rows), key=lambda r: r["created_at"])
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assert out[1]["d_attempted"] == 0
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