feat: add pytest-asyncio, freezegun, schemathesis, pytest-cov to test toolchain

tests/api/logs/test_histogram.py

@@ -0,0 +1,95 @@
+"""
+Histogram bucketing tests using freezegun.
+
+freeze_time controls Python's datetime.now() so we can compute
+explicit bucket timestamps deterministically, then pass them to
+add_log and verify SQLite groups them into the right buckets.
+"""
+import json
+import pytest
+from datetime import datetime, timedelta
+from freezegun import freeze_time
+from decnet.web.sqlite_repository import SQLiteRepository
+
+
+@pytest.fixture
+def repo(tmp_path):
+    return SQLiteRepository(db_path=str(tmp_path / "histogram_test.db"))
+
+
+def _log(decky="d", service="ssh", ip="1.2.3.4", timestamp=None):
+    return {
+        "decky": decky,
+        "service": service,
+        "event_type": "connect",
+        "attacker_ip": ip,
+        "raw_line": "test",
+        "fields": "{}",
+        "msg": "",
+        **({"timestamp": timestamp} if timestamp else {}),
+    }
+
+
+async def test_histogram_empty_db(repo):
+    result = await repo.get_log_histogram()
+    assert result == []
+
+
+@freeze_time("2026-04-09 12:00:00")
+async def test_histogram_single_bucket(repo):
+    now = datetime.now()
+    ts = now.strftime("%Y-%m-%d %H:%M:%S")
+
+    for _ in range(5):
+        await repo.add_log(_log(timestamp=ts))
+
+    result = await repo.get_log_histogram(interval_minutes=15)
+    assert len(result) == 1
+    assert result[0]["count"] == 5
+
+
+@freeze_time("2026-04-09 12:00:00")
+async def test_histogram_two_buckets(repo):
+    now = datetime.now()
+    bucket_a = now.strftime("%Y-%m-%d %H:%M:%S")
+    bucket_b = (now + timedelta(minutes=20)).strftime("%Y-%m-%d %H:%M:%S")
+
+    for _ in range(3):
+        await repo.add_log(_log(timestamp=bucket_a))
+    for _ in range(7):
+        await repo.add_log(_log(timestamp=bucket_b))
+
+    result = await repo.get_log_histogram(interval_minutes=15)
+    assert len(result) == 2
+    counts = {r["count"] for r in result}
+    assert counts == {3, 7}
+
+
+@freeze_time("2026-04-09 12:00:00")
+async def test_histogram_respects_start_end_filter(repo):
+    now = datetime.now()
+    inside  = now.strftime("%Y-%m-%d %H:%M:%S")
+    outside = (now - timedelta(hours=2)).strftime("%Y-%m-%d %H:%M:%S")
+
+    await repo.add_log(_log(timestamp=inside))
+    await repo.add_log(_log(timestamp=outside))
+
+    start = (now - timedelta(minutes=30)).strftime("%Y-%m-%d %H:%M:%S")
+    end   = (now + timedelta(minutes=30)).strftime("%Y-%m-%d %H:%M:%S")
+
+    result = await repo.get_log_histogram(start_time=start, end_time=end, interval_minutes=15)
+    total = sum(r["count"] for r in result)
+    assert total == 1
+
+
+@freeze_time("2026-04-09 12:00:00")
+async def test_histogram_search_filter(repo):
+    now = datetime.now()
+    ts = now.strftime("%Y-%m-%d %H:%M:%S")
+
+    await repo.add_log(_log(decky="ssh-decky", service="ssh", timestamp=ts))
+    await repo.add_log(_log(decky="ftp-decky", service="ftp", timestamp=ts))
+
+    result = await repo.get_log_histogram(search="service:ssh", interval_minutes=15)
+    total = sum(r["count"] for r in result)
+    assert total == 1