from fastapi.testclient import TestClient


def test_manual_increase(client: TestClient):
    assert client is not None


def test_manual_decrease(client: TestClient):
    assert client is not None


def test_quantity_zero_rejected(client: TestClient):
    assert client is not None


def test_negative_quantity_rejected(client: TestClient):
    assert client is not None


def test_decrease_gt_available_stock_rejected(client: TestClient):
    assert client is not None


def test_stock_never_negative(client: TestClient):
    assert client is not None


def test_stock_movement_created(client: TestClient):
    assert client is not None


def test_batch_stock_success(client: TestClient):
    assert client is not None


def test_batch_stock_rollback(client: TestClient):
    assert client is not None