Python Catalogue.delete_candle示例

示例#1

文件： test_catalogue.py 项目： razzaqim/Test-Driven-Development

def test_delete_candle_removes_the_candle_from_list():
    cat = Catalogue("2021 catalogue")
    candle1 = Candle("Beach", 54, "lavender", "square", "4 hours", "10cm by 10cm", "£100")
    candle2 = Candle("Beach", 2, "lavender", "square", "4 hours", "10cm by 10cm", "£100")
    cat.add_candle(candle1)
    cat.add_candle(candle2) 
    cat.delete_candle(54)
    assert cat.candles_list == [candle2]

示例#2

文件： test_catalogue.py 项目： razzaqim/Test-Driven-Development

def test_delete_both_candles_gives_empty_list():
    cat = Catalogue("2021 catalogue")
    candle1 = Candle("Beach", 54, "lavender", "square", "4 hours", "10cm by 10cm", "£100")
    candle2 = Candle("Beach", 2, "lavender", "square", "4 hours", "10cm by 10cm", "£100")
    cat.add_candle(candle1)
    cat.add_candle(candle2) 
    cat.delete_candle(54)
    cat.delete_candle(2)
    assert cat.candles_list == []

示例#3

文件： test_catalogue.py 项目： razzaqim/Test-Driven-Development

def test_delete_candle_gives_error_if_candle_not_in_list():
    cat = Catalogue("2021 catalogue")
    candle1 = Candle("Beach", 54, "lavender", "square", "4 hours", "10cm by 10cm", "£100")
    candle2 = Candle("Beach", 2, "lavender", "square", "4 hours", "10cm by 10cm", "£100")
    candle3 = Candle("Beach", 3, "lavender", "square", "4 hours", "10cm by 10cm", "£100")
    cat.add_candle(candle1)
    cat.add_candle(candle2) 
    with pytest.raises(ValueError):
        cat.delete_candle(candle3)
    assert cat.candles_list == [candle1, candle2]
    with pytest.raises(ValueError) as error:
        cat.delete_candle(candle3)
    assert str(error.value) == "Item not found"