Add meal tracker app: Flask + SQLite with auth, dashboard, 31 passing tests, Docker Compose

tests/test_meals.py

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+"""Tests for meal periods, responses, and changed-mind logic."""
+
+from datetime import date, datetime
+
+import pytest
+
+from models import (
+    init_db,
+    get_db,
+    ensure_meal_periods,
+    get_dashboard_data,
+    upsert_response,
+    get_user_by_username,
+)
+
+
+class TestMealPeriods:
+    def test_ensure_creates_periods(self, app):
+        with app.app_context():
+            periods = ensure_meal_periods(date(2025, 6, 15))
+            assert len(periods) == 2
+            types = {p["meal_type"] for p in periods}
+            assert types == {"lunch", "dinner"}
+            for p in periods:
+                assert p["date"] == "2025-06-15"
+
+    def test_ensure_is_idempotent(self, app):
+        with app.app_context():
+            p1 = ensure_meal_periods(date(2025, 6, 15))
+            p2 = ensure_meal_periods(date(2025, 6, 15))
+            assert p1[0]["id"] == p2[0]["id"]
+            assert p1[1]["id"] == p2[1]["id"]
+
+
+class TestResponses:
+    def test_first_response_no_changed_at(self, app):
+        with app.app_context():
+            from models import create_user
+
+            user = create_user("test", "hash", is_admin=False)
+            periods = ensure_meal_periods(date.today())
+            lunch = periods[0]
+
+            resp = upsert_response(user["id"], lunch["id"], "yes")
+            assert resp["status"] == "yes"
+            assert resp["changed_at"] is None
+
+    def test_flip_yes_to_no_sets_changed_at(self, app):
+        with app.app_context():
+            from models import create_user
+
+            user = create_user("flipper", "hash", is_admin=False)
+            periods = ensure_meal_periods(date.today())
+            lunch = periods[0]
+
+            upsert_response(user["id"], lunch["id"], "yes")
+            resp = upsert_response(user["id"], lunch["id"], "no")
+            assert resp["status"] == "no"
+            assert resp["changed_at"] is not None
+
+    def test_flip_twice_updates_changed_at(self, app):
+        with app.app_context():
+            from models import create_user
+
+            user = create_user("flipper2", "hash", is_admin=False)
+            periods = ensure_meal_periods(date.today())
+            lunch = periods[0]
+
+            upsert_response(user["id"], lunch["id"], "yes")
+            r1 = upsert_response(user["id"], lunch["id"], "no")
+            r2 = upsert_response(user["id"], lunch["id"], "yes")
+
+            # changed_at should reflect the latest flip
+            assert r2["changed_at"] is not None
+            # The second flip should have a different timestamp (or at least not earlier)
+            assert r2["changed_at"] >= r1["changed_at"]
+
+    def test_same_status_no_change(self, app):
+        with app.app_context():
+            from models import create_user
+
+            user = create_user("same", "hash", is_admin=False)
+            periods = ensure_meal_periods(date.today())
+            lunch = periods[0]
+
+            r1 = upsert_response(user["id"], lunch["id"], "yes")
+            r2 = upsert_response(user["id"], lunch["id"], "yes")
+            assert r1["status"] == r2["status"]
+            assert r1["changed_at"] == r2["changed_at"]
+
+
+class TestDashboardData:
+    def test_dashboard_includes_all_users(self, app):
+        with app.app_context():
+            from models import create_user
+
+            create_user("u1", "h1", is_admin=True)
+            create_user("u2", "h2", is_admin=False)
+
+            data = get_dashboard_data(date.today())
+            assert len(data["users"]) == 2
+            assert data["users"][0]["username"] == "u1"
+            assert data["users"][1]["username"] == "u2"
+
+    def test_dashboard_shows_responses(self, app):
+        with app.app_context():
+            from models import create_user
+
+            user = create_user("responder", "h", is_admin=True)
+            periods = ensure_meal_periods(date.today())
+            lunch = next(p for p in periods if p["meal_type"] == "lunch")
+            upsert_response(user["id"], lunch["id"], "yes")
+
+            data = get_dashboard_data(date.today())
+            resp = data["users"][0]["responses"]["lunch"]
+            assert resp["status"] == "yes"
+
+    def test_dashboard_defaults_not_answered(self, app):
+        with app.app_context():
+            from models import create_user
+
+            create_user("silent", "h", is_admin=False)
+
+            data = get_dashboard_data(date.today())
+            resp = data["users"][0]["responses"]["dinner"]
+            assert resp["status"] == "not_answered"
+            assert resp["changed_at"] is None