Резултати
Код
1class Material:
2 def __init__(self, mass):
3 self.mass = mass
4
5 @property
6 def volume(self):
7 return self.mass / self.density
8
9class Concrete(Material):
10 density = 2500
11
12class Brick(Material):
13 density = 2000
14
15class Stone(Material):
16 density = 1600
17
18class Wood(Material):
19 density = 600
20
21class Steel(Material):
22 density = 7700
23
24
25class Factory:
26 material_classes = {
27 "Concrete": Concrete,
28 "Brick": Brick,
29 "Stone": Stone,
30 "Wood": Wood,
31 "Steel": Steel
32 }
33 existing_classes = {}
34 materials_created = []
35
36 def __call__(self, *args, **kwargs):
37 if (args and kwargs) or (not args and not kwargs):
38 raise ValueError("Either positional or keyword arguments required, but not both or none.")
39
40 if args:
41 for material in args:
42 if not isinstance(material, Material):
43 raise TypeError("All positional arguments must be instances of Material classes.")
44 if getattr(material, 'invalid', False):
45 raise AssertionError("Cannot use invalid material.")
46 class_name = "_".join(sorted([material.__class__.__name__ for material in args]))
47 if class_name not in Factory.existing_classes:
48 density = sum(material.density for material in args) / len(args)
49 Factory.existing_classes[class_name] = type(class_name, (Material,), {'density': density})
50 new_class = Factory.existing_classes[class_name]
51 new_mass = sum(material.mass for material in args)
52 for material in args:
53 material.invalid = True
54 new_instance = new_class(new_mass)
55 Factory.materials_created.append(new_instance)
56 return new_instance
57
58 materials = []
59 for name, mass in kwargs.items():
60 if name not in self.material_classes:
61 raise ValueError(f"Invalid material name: {name}")
62 material_class = self.material_classes[name]
63 material_instance = material_class(mass)
64 materials.append(material_instance)
65 Factory.materials_created.append(material_instance)
66 return tuple(materials)
67
68 def can_build_together(required_volume):
69 total_volume = 0
70 for material in Factory.materials_created:
71 if not getattr(material, 'invalid', False):
72 total_volume += material.volume
73 return total_volume >= required_volume
74
75 @staticmethod
76 def can_build_together(required_volume):
77 total_volume = 0
78 for material in Factory.materials_created:
79 if not getattr(material, 'invalid', False):
80 total_volume += material.volume
81 return total_volume >= required_volume
.EE.E.FF..
======================================================================
ERROR: test_can_build (test.TestFactory.test_can_build)
Test can_build methods.
----------------------------------------------------------------------
Traceback (most recent call last):
File "/tmp/test.py", line 173, in test_can_build
self.assertFalse(self.factory1.can_build(2.000001))
^^^^^^^^^^^^^^^^^^^^^^^
AttributeError: 'Factory' object has no attribute 'can_build'
======================================================================
ERROR: test_materials_between_factories (test.TestFactory.test_materials_between_factories)
Test materials sharing.
----------------------------------------------------------------------
Traceback (most recent call last):
File "/tmp/test.py", line 156, in test_materials_between_factories
result2, = self.factory2(Brick_Concrete_Steel_Stone_Wood=2)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/tmp/solution.py", line 61, in __call__
raise ValueError(f"Invalid material name: {name}")
ValueError: Invalid material name: Brick_Concrete_Steel_Stone_Wood
======================================================================
ERROR: test_named_arguments_with_dynamically_created_classes (test.TestFactory.test_named_arguments_with_dynamically_created_classes)
Test dynamically created classes uniqueness.
----------------------------------------------------------------------
Traceback (most recent call last):
File "/tmp/test.py", line 145, in test_named_arguments_with_dynamically_created_classes
result2, = self.factory1(Brick_Concrete_Steel_Stone_Wood=2)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/tmp/solution.py", line 61, in __call__
raise ValueError(f"Invalid material name: {name}")
ValueError: Invalid material name: Brick_Concrete_Steel_Stone_Wood
======================================================================
FAIL: test_positional_arguments_multiple_argument_with_dynamics (test.TestFactory.test_positional_arguments_multiple_argument_with_dynamics)
Test calling a factory using multiple positional arguments.
----------------------------------------------------------------------
Traceback (most recent call last):
File "/tmp/test.py", line 128, in test_positional_arguments_multiple_argument_with_dynamics
self.assertEqual(mega_material.__class__.__name__,
AssertionError: 'Brick_Concrete_Stone_Steel_Wood' != 'Brick_Concrete_Steel_Stone_Wood'
- Brick_Concrete_Stone_Steel_Wood
? ------
+ Brick_Concrete_Steel_Stone_Wood
? ++++++
======================================================================
FAIL: test_positional_arguments_single_argument (test.TestFactory.test_positional_arguments_single_argument)
Test calling a factory using a sigle positional argument.
----------------------------------------------------------------------
Traceback (most recent call last):
File "/tmp/test.py", line 80, in test_positional_arguments_single_argument
self.assertIs(type(concrete2), solution.Concrete)
AssertionError: <class 'solution.Concrete'> is not <class 'solution.Concrete'>
----------------------------------------------------------------------
Ran 10 tests in 0.011s
FAILED (failures=2, errors=3)
Дискусия
Георги Кунчев
26.11.2024 19:24Благодаря!
Засега губиш само точките от това домашно
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Зейнеб Ахмед
26.11.2024 19:04Така е
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Георги Кунчев
26.11.2024 17:45Ако си признаеш, че не си го писала ти, може и да се смилим над теб.
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26.11.2024 17:43