Vorrania/backend/tests/test_dashboard.py

from datetime import date, timedelta

import pytest

from app.models import BaseUnit, Category, Product, Role, User
from app.routers import dashboard
from app.services.conversion import article_unit, article_units
from app.services.stock import check_in, check_out


@pytest.fixture()
def user(db):
    person = User(username="tester", password_hash="x", role=Role.admin)
    db.add(person)
    db.commit()
    db.refresh(person)
    return person


# ---------------------------------------------------------------- Einheiten
def test_artikeleinheit_ist_das_gebinde(rice):
    # rice: 500 g je Packung -> eine Artikeleinheit sind 500 g
    faktor, label = article_unit(rice)
    assert faktor == 500
    assert label == "Packung"
    assert article_units(rice, 1500) == 3


def test_artikeleinheit_ohne_gebinde_ist_die_produkteinheit(db):
    eier = Product(name="Eier", base_unit=BaseUnit.piece)
    db.add(eier)
    db.commit()
    faktor, _ = article_unit(eier)
    assert faktor == 1
    assert article_units(eier, 6) == 6


def test_gebinde_bezeichnung_wird_uebernommen(db):
    pesto = Product(name="Pesto", base_unit=BaseUnit.gram, package_size=195,
                    package_label="Glas")
    db.add(pesto)
    db.commit()
    assert article_unit(pesto) == (195, "Glas")


# ------------------------------------------------------------ Ablaufzustand
def test_zustand_unterscheidet_die_vier_faelle():
    heute = date(2026, 7, 1)
    assert dashboard._zustand(None, heute, 7) == "no_date"
    assert dashboard._zustand(heute - timedelta(days=1), heute, 7) == "expired"
    assert dashboard._zustand(heute + timedelta(days=3), heute, 7) == "soon"
    assert dashboard._zustand(heute, heute, 7) == "soon"  # heute ist noch nicht abgelaufen
    assert dashboard._zustand(heute + timedelta(days=30), heute, 7) == "ok"


def test_expiry_split_zaehlt_in_artikeleinheiten(db, rice, user):
    heute = date.today()
    check_in(db, rice, 2, "package", heute + timedelta(days=60), None, user)   # ok
    check_in(db, rice, 1, "package", heute + timedelta(days=3), None, user)    # bald
    check_in(db, rice, 3, "package", heute - timedelta(days=2), None, user)    # abgelaufen
    check_in(db, rice, 4, "package", None, None, user)                         # ohne MHD
    db.commit()

    split = dashboard.expiry_split(db=db, _=user)
    assert split.ok == 2
    assert split.soon == 1
    assert split.expired == 3
    assert split.no_date == 4


def test_by_category_bündelt_und_sortiert(db, user):
    suess = Category(name="Süßwaren")
    db.add(suess)
    db.commit()

    chips = Product(name="Chips", base_unit=BaseUnit.gram, package_size=175,
                    package_label="Tüte", category_id=suess.id)
    ohne = Product(name="Salz", base_unit=BaseUnit.gram, package_size=500)
    db.add_all([chips, ohne])
    db.commit()

    check_in(db, chips, 5, "package", None, None, user)
    check_in(db, ohne, 2, "package", None, None, user)
    db.commit()

    anteile = dashboard.by_category(db=db, _=user)
    assert [a.name for a in anteile] == ["Süßwaren", "Ohne Kategorie"]
    assert anteile[0].article_units == 5
    assert anteile[1].article_units == 2


# ----------------------------------------------------------------- Verlauf
def test_timeline_rechnet_bewegungen_zurueck(db, rice, user):
    """Der Verlauf entsteht rueckwaerts aus dem heutigen Bestand."""
    check_in(db, rice, 4, "package", None, None, user)   # +4 Einheiten heute
    check_out(db, rice, 1, "package", user)              # -1 Einheit heute
    db.commit()

    punkte = dashboard.timeline(days=3, product_id=None, db=db, _=user)
    assert len(punkte) == 3
    # Heute: 3 Einheiten; die Tage davor lag nichts im Lager.
    assert punkte[-1].date == date.today()
    assert punkte[-1].article_units == 3
    assert punkte[0].article_units == 0
    assert punkte[1].article_units == 0


def test_timeline_kann_auf_ein_produkt_eingegrenzt_werden(db, rice, user):
    anderes = Product(name="Zucker", base_unit=BaseUnit.gram, package_size=1000)
    db.add(anderes)
    db.commit()
    check_in(db, rice, 2, "package", None, None, user)
    check_in(db, anderes, 5, "package", None, None, user)
    db.commit()

    gesamt = dashboard.timeline(days=2, product_id=None, db=db, _=user)
    nur_reis = dashboard.timeline(days=2, product_id=rice.id, db=db, _=user)
    assert gesamt[-1].article_units == 7
    assert nur_reis[-1].article_units == 2


def test_activity_zaehlt_ein_und_auslagerungen(db, rice, user):
    check_in(db, rice, 2, "package", None, None, user)
    check_in(db, rice, 1, "package", None, None, user)
    check_out(db, rice, 1, "package", user)
    db.commit()

    tage = dashboard.activity(days=3, db=db, _=user)
    assert len(tage) == 3
    heute = tage[-1]
    assert heute.date == date.today()
    assert heute.checked_in == 2
    assert heute.checked_out == 1


# ---------------------------------------------------------------- Anordnung
def test_layout_faellt_auf_die_eingebaute_zurueck(db, user):
    antwort = dashboard.get_layout(db=db, user=user)
    assert antwort.source == "builtin"
    assert antwort.enforced is False
    assert antwort.has_default is False
    assert any(k["i"] == "expiring" for k in antwort.layout)


def test_eigene_anordnung_wird_gespeichert(db, user):
    from app.schemas import DashboardLayoutIn

    eigen = [{"i": "shopping", "x": 0, "y": 0, "w": 6, "h": 3}]
    dashboard.put_layout(DashboardLayoutIn(layout=eigen), db=db, user=user)

    antwort = dashboard.get_layout(db=db, user=user)
    assert antwort.source == "user"
    assert antwort.layout == eigen


def test_erzwungene_vorgabe_verhindert_eigene_anordnung(db, user):
    from fastapi import HTTPException

    from app.schemas import DashboardLayoutIn

    vorgabe = [{"i": "status", "x": 0, "y": 0, "w": 12, "h": 1}]
    dashboard.put_default_layout(DashboardLayoutIn(layout=vorgabe), db=db, admin=user)
    dashboard.set_enforced(True, db=db, admin=user)

    antwort = dashboard.get_layout(db=db, user=user)
    assert antwort.source == "default"
    assert antwort.enforced is True
    assert antwort.layout == vorgabe

    with pytest.raises(HTTPException) as fehler:
        dashboard.put_layout(DashboardLayoutIn(layout=[]), db=db, user=user)
    assert fehler.value.status_code == 403


def test_zuruecksetzen_stellt_die_vorgabe_wieder_her(db, user):
    from app.schemas import DashboardLayoutIn

    vorgabe = [{"i": "status", "x": 0, "y": 0, "w": 12, "h": 1}]
    dashboard.put_default_layout(DashboardLayoutIn(layout=vorgabe), db=db, admin=user)
    dashboard.put_layout(DashboardLayoutIn(layout=[{"i": "shopping", "x": 0, "y": 0, "w": 4, "h": 3}]),
                         db=db, user=user)
    assert dashboard.get_layout(db=db, user=user).source == "user"

    dashboard.reset_layout(db=db, user=user)
    antwort = dashboard.get_layout(db=db, user=user)
    assert antwort.source == "default"
    assert antwort.layout == vorgabe