scaffolded PySwiss microservice: Django 6.0 project at pyswiss/ (core/ settings, apps/charts/), GET /api/chart/ + GET /api/charts/ views, EphemerisSnapshot model + migration, populate_ephemeris management command, 41 ITs (integrated + unit, all green); separate .venv with pyswisseph 2.10.3.2

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

pyswiss/apps/charts/tests/unit/test_populate_ephemeris.py

@@ -0,0 +1,99 @@
+"""
+Unit tests for the populate_ephemeris management command.
+
+pyswisseph calls are mocked — these tests verify date iteration,
+snapshot persistence, and idempotency without touching the ephemeris.
+
+Run:
+    pyswiss/.venv/Scripts/python pyswiss/manage.py test pyswiss/apps/charts
+"""
+from datetime import datetime, timezone
+from unittest.mock import patch
+
+from django.core.management import call_command
+from django.test import TestCase
+
+from apps.charts.models import EphemerisSnapshot
+
+
+# ---------------------------------------------------------------------------
+# Helpers
+# ---------------------------------------------------------------------------
+
+# 10 planets covering Fire×3, Earth×3, Air×2, Water×2 (one per sign)
+# Expected: fire=3, water=2, earth=3, air=2, time=0, space=9
+FAKE_PLANETS = {
+    'Sun':     {'sign': 'Aries',       'degree': 10.0,  'retrograde': False},
+    'Moon':    {'sign': 'Leo',          'degree': 130.0, 'retrograde': False},
+    'Mercury': {'sign': 'Sagittarius',  'degree': 250.0, 'retrograde': False},
+    'Venus':   {'sign': 'Taurus',       'degree': 40.0,  'retrograde': False},
+    'Mars':    {'sign': 'Virgo',        'degree': 160.0, 'retrograde': False},
+    'Jupiter': {'sign': 'Capricorn',    'degree': 280.0, 'retrograde': False},
+    'Saturn':  {'sign': 'Gemini',       'degree': 70.0,  'retrograde': False},
+    'Uranus':  {'sign': 'Aquarius',     'degree': 310.0, 'retrograde': False},
+    'Neptune': {'sign': 'Cancer',       'degree': 100.0, 'retrograde': False},
+    'Pluto':   {'sign': 'Pisces',       'degree': 340.0, 'retrograde': False},
+}
+
+PATCH_TARGET = (
+    'apps.charts.management.commands.populate_ephemeris.get_planet_positions'
+)
+
+
+# ---------------------------------------------------------------------------
+# Tests
+# ---------------------------------------------------------------------------
+
+class PopulateEphemerisCommandTest(TestCase):
+
+    def _run(self, date_from, date_to):
+        with patch(PATCH_TARGET, return_value=FAKE_PLANETS):
+            call_command('populate_ephemeris',
+                         date_from=date_from, date_to=date_to,
+                         verbosity=0)
+
+    # ── date iteration ────────────────────────────────────────────────────
+
+    def test_creates_one_snapshot_per_day(self):
+        self._run('2000-01-01', '2000-01-03')
+        self.assertEqual(EphemerisSnapshot.objects.count(), 3)
+
+    def test_single_day_range_creates_one_snapshot(self):
+        self._run('2000-01-01', '2000-01-01')
+        self.assertEqual(EphemerisSnapshot.objects.count(), 1)
+
+    def test_snapshots_are_at_noon_utc(self):
+        self._run('2000-01-01', '2000-01-01')
+        snap = EphemerisSnapshot.objects.get()
+        self.assertEqual(snap.dt, datetime(2000, 1, 1, 12, 0, 0, tzinfo=timezone.utc))
+
+    # ── idempotency ───────────────────────────────────────────────────────
+
+    def test_rerunning_does_not_create_duplicates(self):
+        self._run('2000-01-01', '2000-01-03')
+        self._run('2000-01-01', '2000-01-03')
+        self.assertEqual(EphemerisSnapshot.objects.count(), 3)
+
+    def test_overlapping_ranges_do_not_duplicate(self):
+        self._run('2000-01-01', '2000-01-03')
+        self._run('2000-01-02', '2000-01-05')
+        self.assertEqual(EphemerisSnapshot.objects.count(), 5)
+
+    # ── element counts ────────────────────────────────────────────────────
+
+    def test_element_counts_are_persisted(self):
+        self._run('2000-01-01', '2000-01-01')
+        snap = EphemerisSnapshot.objects.get()
+        self.assertEqual(snap.fire,  3)
+        self.assertEqual(snap.water, 2)
+        self.assertEqual(snap.earth, 3)
+        self.assertEqual(snap.air,   2)
+        self.assertEqual(snap.time_el,  0)
+        self.assertEqual(snap.space_el, 9)
+
+    # ── chart_data payload ────────────────────────────────────────────────
+
+    def test_chart_data_contains_planets(self):
+        self._run('2000-01-01', '2000-01-01')
+        snap = EphemerisSnapshot.objects.get()
+        self.assertEqual(snap.chart_data['planets'], FAKE_PLANETS)