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Fenris/tests/test_activity_readout.py
T
xavierk 79ebb10dea refactor(tui): extract Activity readout and show local time
Move activity data assembly out of tui.py into activity_readout, behind
readout(conn, selection, now). Dashboard and fenris-monitor enable now show
local time with a timezone label, inspected points keep a secondary UTC line,
and the legacy UTC-relabelled day and hour branches are gone. Time formatting
(including freshness_age_human) lives in timefmt. Hour offsets now render as
+05:30 to match day labels.
2026-10-05 20:21:22 +05:30

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"""Tests for the Activity readout module (issue #108).
The readout is exercised against SQLite fixtures only; no Textual is involved.
The local timezone is pinned through the TZ environment variable.
"""
import sqlite3
from datetime import datetime, timezone
from pathlib import Path
import sys
import pytest
sys.path.insert(0, str(Path(__file__).parent.parent / "src"))
from fenris.activity_readout import (
day_readout_text,
hour_readout_text,
local_day_text,
interval_readout_text,
readout,
selected_local_day,
)
from fenris.activity_selection import (
HISTORY_RANGE_MAX,
ActivitySelection,
HistoryDayIdentity,
)
from fenris.store import init_store
from fenris.timefmt import (
freshness_age_human,
local_timestamp,
utc_range_label,
utc_stamp_label,
)
NOW = datetime(2026, 9, 30, 20, 0, tzinfo=timezone.utc) # 01:30 on 10-01 in Kolkata
@pytest.fixture
def kolkata(monkeypatch):
monkeypatch.setenv("TZ", "Asia/Kolkata")
@pytest.fixture
def conn(tmp_path):
connection = init_store(tmp_path / "observations.db")
yield connection
connection.close()
def _local_day(conn, local_date, utc_start, utc_end, tz="Asia/Kolkata",
offset="+05:30", written=1_000_000_000, read=500_000_000,
intervals=1, seconds=86400, incomplete=0, precision="measured"):
conn.execute(
"INSERT INTO local_days (local_date, tz_name, tz_offset, utc_start, "
"utc_end, bytes_written, bytes_read, coverage, sample_count, complete, "
"activity_seconds, activity_intervals, activity_incomplete, "
"activity_precision) VALUES (?,?,?,?,?,?,?,1.0,24,1,?,?,?,?)",
(local_date, tz, offset, utc_start, utc_end, written, read,
seconds, intervals, incomplete, precision),
)
conn.commit()
def _kolkata_day(conn, local_date, **kwargs):
day = datetime.fromisoformat(local_date)
start = datetime(day.year, day.month, day.day, tzinfo=timezone.utc)
start_utc = start.timestamp() - 19800
end_utc = start_utc + 86400
_local_day(
conn, local_date,
datetime.fromtimestamp(start_utc, timezone.utc).isoformat(),
datetime.fromtimestamp(end_utc, timezone.utc).isoformat(),
**kwargs,
)
def _hour(conn, hour, written=0, read=0, active=0, idle=0, off=0, unknown=0,
samples=1, coverage=1.0, tmin=None, tmax=None):
conn.execute(
"INSERT INTO hour_observations (hour, active_seconds, idle_seconds, "
"powered_off_seconds, unknown_seconds, bytes_written_delta, "
"bytes_read_delta, temperature_min, temperature_max, sample_count, "
"coverage) VALUES (?,?,?,?,?,?,?,?,?,?,?)",
(hour, active, idle, off, unknown, written, read, tmin, tmax,
samples, coverage),
)
conn.commit()
def _sample(conn, ts, written, read, segment=1, temp=35, critical=0):
conn.execute(
"INSERT INTO samples (ts, device, data_units_written, data_units_read, "
"percentage_used, bytes_written, bytes_read, power_on_hours, "
"segment_id, temperature_c, critical_warning) "
"VALUES (?,?,?,?,?,?,?,?,?,?,?)",
(ts, "/dev/nvme0n1", 1, 1, 1, written, read, 100, segment, temp,
critical),
)
conn.commit()
class TestHistoryDays:
def test_daily_bars_use_local_dates_not_utc_aggregates(self, conn, kolkata):
# A UTC aggregate for 09-30 must never be relabelled as a local day.
conn.execute(
"INSERT INTO day_aggregates (day, bytes_written_delta, "
"sample_count, coverage) VALUES ('2026-09-30', 9000000000, 24, 1.0)"
)
conn.commit()
_kolkata_day(conn, "2026-10-01")
result = readout(conn, ActivitySelection(), NOW)
assert result.days[-1]["day"] == "2026-10-01"
assert result.days[-1]["timezone_label"] == "Asia/Kolkata +05:30"
by_day = {d["day"]: d for d in result.days}
assert by_day["2026-09-30"]["is_gap"]
assert by_day["2026-09-30"]["total_written"] is None
def test_window_is_exact_and_missing_days_stay_explicit_gaps(self, conn, kolkata):
_kolkata_day(conn, "2026-09-29")
result = readout(conn, ActivitySelection(), NOW)
assert len(result.days) == HISTORY_RANGE_MAX
gaps = [d for d in result.days if d["is_gap"]]
assert len(gaps) == HISTORY_RANGE_MAX - 1 # only 09-29 has evidence
known = next(d for d in result.days if d["day"] == "2026-09-29")
assert known["activity_state"] == "complete"
assert known["total_written"] == 1_000_000_000
def test_current_local_day_is_partial_and_incomplete_day_is_flagged(self, conn, kolkata):
_kolkata_day(conn, "2026-10-01", written=100)
_kolkata_day(conn, "2026-09-30", written=200, seconds=3600)
by_day = {d["day"]: d for d in readout(conn, ActivitySelection(), NOW).days}
assert by_day["2026-10-01"]["activity_state"] == "so_far"
assert by_day["2026-10-01"]["is_partial"]
assert by_day["2026-09-30"]["activity_state"] == "incomplete"
assert by_day["2026-09-30"]["is_partial"]
def test_shared_local_day_evidence_is_kept_apart_not_prorated(self, conn, kolkata):
_kolkata_day(conn, "2026-09-29", written=7_000_000_000, read=3_000_000_000)
conn.execute(
"INSERT INTO local_day_unallocated_evidence (start_sample_id, "
"end_sample_id, start_local_date, end_local_date, start_tz_name, "
"end_tz_name, started_at, ended_at, bytes_written, bytes_read, "
"reason) VALUES (1,2,'2026-09-29','2026-09-30','Asia/Kolkata',"
"'Asia/Kolkata','2026-09-29T18:00:00+00:00',"
"'2026-09-29T18:40:00+00:00',1000000000,500000000,'local_midnight')"
)
conn.commit()
day = next(
d for d in readout(conn, ActivitySelection(), NOW).days
if d["day"] == "2026-09-29"
)
assert day["total_written"] == 7_000_000_000
assert day["shared_bytes_written"] == 1_000_000_000
assert day["shared_bytes_read"] == 500_000_000
text = day_readout_text(day)
assert "W 7.000 GB known" in text
assert "shared at midnight W 1.000 GB · R 0.500 GB" in text
def test_unrecorded_selected_date_is_an_unavailable_gap(self, conn, kolkata):
selection = ActivitySelection()
selection.select_history_date("2026-06-01")
result = readout(conn, selection, NOW)
assert result.local_date == "2026-06-01"
assert result.local_day is None
picked = [d for d in result.days if d["day"] == "2026-06-01"]
assert picked and picked[0]["is_gap"]
assert "local-day evidence unavailable" in day_readout_text(picked[0])
class TestLocalDayStrip:
def test_current_day_text_has_zone_state_and_habit(self, conn, kolkata):
_kolkata_day(conn, "2026-10-01", written=2_000_000_000, read=1_000_000_000)
_hour(conn, "2026-09-30T19:00:00+00:00", active=3600, tmin=30, tmax=44)
local_date, local = selected_local_day(conn, ActivitySelection(), NOW)
text = local_day_text(local_date, local)
assert "2026-10-01" in text and "Asia/Kolkata +05:30" in text
assert "totals so far" in text
assert "W 2.000 GB known · R 1.000 GB known" in text
assert "active 1h 00m" in text and "30–44°C" in text
def test_missing_day_text_is_unavailable(self, conn, kolkata):
local_date, local = selected_local_day(conn, ActivitySelection(), NOW)
assert local is None
assert "local-day evidence unavailable" in local_day_text(local_date, local)
class TestHours:
def _selected_day(self, conn):
_kolkata_day(conn, "2026-09-29")
selection = ActivitySelection()
selection.select_history_date(
"2026-09-29",
HistoryDayIdentity(
"2026-09-29", "Asia/Kolkata",
"2026-09-28T18:30:00+00:00", "2026-09-29T18:30:00+00:00",
),
)
selection.set_view("day")
return selection
def test_hours_only_in_day_view_with_local_and_secondary_utc_labels(self, conn, kolkata):
selection = self._selected_day(conn)
_hour(conn, "2026-09-28T19:00:00+00:00", written=4_000_000_000,
active=600, idle=2400, off=0, unknown=600, tmin=31, tmax=40,
coverage=0.8)
result = readout(conn, selection, NOW)
first = result.hours[0]
assert first["local_label"] == "00:30"
assert first["timezone_label"] == "Asia/Kolkata +05:30"
assert first["utc_label"] == "2026-09-28 19:00 UTC"
assert first["bytes_written"] == 4_000_000_000
text = hour_readout_text(first, "2026-09-29")
assert "00:30 Asia/Kolkata +05:30" in text
assert text.splitlines()[-1] == "2026-09-28 19:00 UTC"
assert "active 10m · idle 40m · off 0m · unknown 10m" in text
assert "31–40°C" in text
def test_live_view_has_no_hours(self, conn, kolkata):
_kolkata_day(conn, "2026-09-29")
assert readout(conn, ActivitySelection(), NOW).hours == ()
def test_missing_hour_is_gap_and_future_hour_is_not(self, conn, kolkata):
_kolkata_day(conn, "2026-10-01")
selection = ActivitySelection()
selection.select_history_date("2026-10-01")
selection.set_view("day")
result = readout(conn, selection, NOW)
past = next(h for h in result.hours if h["local_label"] == "00:30")
future = next(h for h in result.hours if h["local_label"] == "06:30")
assert past["is_gap"] and not past["is_future"]
assert future["is_future"] and not future["is_gap"]
assert "W unavailable · R unavailable" in hour_readout_text(past, "2026-10-01")
class TestLiveIntervals:
def test_interval_labels_are_local_with_secondary_utc_line(self, conn, kolkata):
_sample(conn, "2026-09-30T19:30:00+00:00", 1000, 500)
_sample(conn, "2026-09-30T19:33:00+00:00", 3000, 900, temp=41)
result = readout(conn, ActivitySelection(), NOW)
point = result.live[0]
assert point["start_label"] == "01:00"
assert point["end_label"] == "01:03"
assert point["timezone_label"] == "Asia/Kolkata +05:30"
assert point["bytes_written"] == 2000
assert point["temperature_c"] == 41
text = interval_readout_text(point)
assert "01:00 → 01:03 Asia/Kolkata +05:30" in text
assert text.splitlines()[-1] == "19:30 → 19:33 UTC"
assert "41°C" in text
def test_drive_warning_is_part_of_the_readout(self, conn, kolkata):
_sample(conn, "2026-09-30T19:30:00+00:00", 1000, 500)
_sample(conn, "2026-09-30T19:33:00+00:00", 3000, 900, critical=4)
point = readout(conn, ActivitySelection(), NOW).live[0]
assert "critical warning" in interval_readout_text(point)
def test_segment_boundary_is_unavailable(self, conn, kolkata):
_sample(conn, "2026-09-30T19:30:00+00:00", 1000, 500, segment=1)
_sample(conn, "2026-09-30T19:33:00+00:00", 5, 5, segment=2)
point = readout(conn, ActivitySelection(), NOW).live[0]
assert "segment boundary" in interval_readout_text(point)
assert "W unavailable · R unavailable" in interval_readout_text(point)
class TestTimezone:
def test_utc_zone_still_carries_a_label(self, conn, monkeypatch):
monkeypatch.setenv("TZ", "UTC")
_sample(conn, "2026-09-30T19:30:00+00:00", 1000, 500)
_sample(conn, "2026-09-30T19:33:00+00:00", 3000, 900)
result = readout(conn, ActivitySelection(), NOW)
assert result.timezone_name == "UTC"
assert result.timezone_label == "UTC +00:00"
assert result.live[0]["start_label"] == "19:30"
assert result.live[0]["timezone_label"] == "UTC +00:00"
def test_unknown_zone_falls_back_to_utc(self, conn, monkeypatch):
monkeypatch.setenv("TZ", "Not/AZone")
assert readout(conn, ActivitySelection(), NOW).timezone_name == "UTC"
def test_health_comes_from_the_latest_sample(self, conn, kolkata):
assert readout(conn, ActivitySelection(), NOW).health["model"] == "unknown"
_sample(conn, "2026-09-30T19:30:00+00:00", 1000, 500, temp=38)
assert readout(conn, ActivitySelection(), NOW).health["temp"] == 38
class TestTimeFormatting:
def test_freshness_age_human_lives_here(self):
assert freshness_age_human(30) == "30s ago"
assert freshness_age_human(None) == "unknown age"
def test_local_timestamp_names_the_zone(self):
when = datetime(2026, 9, 30, 20, 0, tzinfo=timezone.utc)
assert local_timestamp(when, "Asia/Kolkata") == (
"2026-10-01 01:30 Asia/Kolkata +05:30"
)
def test_utc_labels(self):
a = datetime(2026, 9, 30, 19, 30, tzinfo=timezone.utc)
b = datetime(2026, 9, 30, 19, 33, tzinfo=timezone.utc)
assert utc_range_label(a, b) == "19:30 → 19:33 UTC"
assert utc_stamp_label(a) == "2026-09-30 19:30 UTC"