feat: monthly_stats() — médiane journalière et hebdomadaire

tests/test_time_calc.py

@@ -43,8 +43,9 @@ def test_week_balance_negative():
 
 
 from app.business.time_calc import count_day_types
-from app.models import WorkEntry
-from datetime import date
+from app.models import WorkEntry, TimeSlot
+from app.business.time_calc import monthly_stats
+from datetime import date, time as dtime
 
 
 def test_count_day_types_basic():
@@ -62,6 +63,63 @@ def test_count_day_types_empty():
     assert count_day_types([]) == {}
 
 
+def _entry(d: date, *slots: tuple[str, str]) -> WorkEntry:
+    """Helper : crée un WorkEntry avec des TimeSlots."""
+    entry = WorkEntry(date=d, day_type="WORK")
+    entry.time_slots = [
+        TimeSlot(start_time=dtime(*[int(x) for x in s.split(":")]),
+                 end_time=dtime(*[int(x) for x in e.split(":")]))
+        for s, e in slots
+    ]
+    return entry
+
+
+def _absence(d: date) -> WorkEntry:
+    """Helper : crée un WorkEntry sans time_slots (0 min)."""
+    entry = WorkEntry(date=d, day_type="CONGE")
+    entry.time_slots = []
+    return entry
+
+
+def test_monthly_stats_empty():
+    result = monthly_stats([])
+    assert result == {"median_daily_min": 0, "median_weekly_min": 0}
+
+
+def test_monthly_stats_median_daily_odd():
+    # 420, 465, 510 → médiane = 465
+    entries = [
+        _entry(date(2025, 1, 6), ("9:00", "16:00")),   # 420 min
+        _entry(date(2025, 1, 7), ("9:00", "16:45")),   # 465 min
+        _entry(date(2025, 1, 8), ("9:00", "17:30")),   # 510 min
+    ]
+    result = monthly_stats(entries)
+    assert result["median_daily_min"] == 465
+
+
+def test_monthly_stats_includes_absences():
+    # 0, 465 → médiane de 2 valeurs = (0+465)/2 = 232 (int)
+    entries = [
+        _absence(date(2025, 1, 6)),
+        _entry(date(2025, 1, 7), ("9:00", "16:45")),
+    ]
+    result = monthly_stats(entries)
+    assert result["median_daily_min"] == 232
+
+
+def test_monthly_stats_median_weekly():
+    # Semaine 1 : 465+465 = 930 min
+    # Semaine 2 : 420 min
+    # médiane([930, 420]) = (420+930)/2 = 675
+    entries = [
+        _entry(date(2025, 1, 6), ("9:00", "16:45")),  # sem 2
+        _entry(date(2025, 1, 7), ("9:00", "16:45")),  # sem 2
+        _entry(date(2025, 1, 13), ("9:00", "16:00")), # sem 3
+    ]
+    result = monthly_stats(entries)
+    assert result["median_weekly_min"] == 675
+
+
 def test_count_day_types_single_type():
     entries = [
         WorkEntry(date=date(2025, 2, 1), day_type="RTT"),