tests/unit/container/test_container.py - develop-0.4 - liquid-g/liquid-code

tests/unit/container/test_container.py
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0.4.2 - покрытие тестами 52%, цель 80-90.
05 июл 2026, 00:06
05 июл 2026, 00:06f107982
"""Unit-тесты для контейнера."""

import pytest

from liquidcode.container import Container


class TestContainer:
    """Тесты контейнера."""

    def test_register_singleton(self):
        """Регистрация singleton."""
        container = Container()

        class Service:
            pass

        container.set(Service, Service())
        assert container.get(Service) is not None

    def test_register_closure(self):
        """Регистрация closure."""
        container = Container()

        def create_service():
            return "service"

        container.factory("service", create_service, shared=False)
        assert container.get("service") == "service"

    def test_get_nonexistent(self):
        """Получение несуществующего сервиса."""
        container = Container()

        with pytest.raises(Exception):
            container.get("nonexistent")

    def test_has(self):
        """Проверка наличия сервиса."""
        container = Container()

        class Service:
            pass

        container.set(Service, Service())
        assert container.has(Service)

    def test_has_not(self):
        """Проверка отсутствия сервиса."""
        container = Container()
        assert not container.has("nonexistent")

    def test_remove(self):
        """Удаление сервиса."""
        container = Container()

        class Service:
            pass

        container.set(Service, Service())
        container.remove(Service)
        assert not container.has(Service)

    def test_singleton_same_instance(self):
        """Singleton возвращает тот же экземпляр."""
        container = Container()

        class Service:
            def __init__(self):
                self.id = id(self)

        service = Service()
        container.set(Service, service)
        assert container.get(Service).id == service.id

    def test_closures_same_result(self):
        """Closure возвращает новый результат."""
        container = Container()
        counter = [0]

        def create_counter():
            counter[0] += 1
            return counter[0]

        container.factory("counter", create_counter, shared=False)
        assert container.get("counter") == 1
        assert container.get("counter") == 2


class TestContainerAutowiring:
    """Тесты автопроводки (autowiring) в контейнере."""

    def test_autowiring_with_dependencies(self):
        """Автопроводка с зависимостями."""
        container = Container()

        class Repository:
            pass

        class Service:
            def __init__(self, repo):
                self.repo = repo

        container.register(Service, Service)
        service = container.get(Service)
        assert hasattr(service, 'repo')

    def test_autowiring_with_primitive_default(self):
        """Автопроводка с примитивами по умолчанию."""
        container = Container()

        class Service:
            def __init__(self, name="default"):
                self.name = name

        container.register(Service, Service)
        service = container.get(Service)
        assert service.name == "default"

    def test_container_chainable(self):
        """Методы контейнера возвращают self для цепочки."""
        container = Container()

        class Service1:
            pass

        class Service2:
            pass

        result = container.register(Service1, Service1).register(Service2, Service2)
        assert result is container


class TestContainerAliases:
    """Тесты алиасов в контейнере."""

    def test_alias_registration(self):
        """Регистрация алиаса."""
        container = Container()

        class Interface:
            pass

        class Implementation(Interface):
            pass

        container.register(Interface, Implementation)
        result = container.get(Interface)
        assert isinstance(result, Implementation)

    def test_remove_service(self):
        """Удаление зарегистрированного сервиса."""
        container = Container()

        class Service:
            pass

        container.set(Service, Service())
        assert container.has(Service)

        container.remove(Service)
        assert not container.has(Service)

    def test_remove_factory(self):
        """Удаление фабрики."""
        container = Container()

        def create_service():
            return "service"

        container.factory("my_service", create_service, shared=False)
        assert container.has("my_service")

        container.remove("my_service")
        assert not container.has("my_service")