import unittest

from dependency_injector import providers

from .singleton_common import Example, _BaseSingletonTestCase


class ContextLocalSingletonTests(_BaseSingletonTestCase, unittest.TestCase):

    singleton_cls = providers.ContextLocalSingleton

    def test_repr(self):
        provider = providers.ContextLocalSingleton(Example)

        assert repr(provider) == (
            "<dependency_injector.providers."
            "ContextLocalSingleton({0}) at {1}>".format(repr(Example), hex(id(provider)))
        )

    def test_reset(self):
        provider = providers.ContextLocalSingleton(Example)

        instance1 = provider()
        assert isinstance(instance1, Example)

        provider.reset()

        instance2 = provider()
        assert isinstance(instance2, Example)

        assert instance1 is not instance2

    def test_reset_clean(self):
        provider = providers.ContextLocalSingleton(Example)
        instance1 = provider()

        provider.reset()
        provider.reset()

        instance2 = provider()
        assert instance1 is not instance2