test_product_tags.py 文件源码

def test_get_thumbnail_no_instance(monkeypatch):
    """When no instance, function should return placeholder"""
    monkeypatch.setattr(
        'saleor.product.templatetags.product_images.choose_placeholder',
        lambda x: 'placeholder')
    output = get_thumbnail(instance=None, size='10x10', method='crop')
    assert output == static('placeholder')