dishka/tests/unit/container/test_resolve.py at 5da13ceaf7a6f1f37a50c93f766d4330688fc573 · reagento/dishka · GitHub

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from typing import Any, Callable

import pytest

from dishka import (
    Provider,
    Scope,
    make_async_container,
    make_container,
    provide,
)
from ..sample_providers import (
    A_VALUE,
    ClassA,
    async_func_a,
    async_gen_a,
    async_iter_a,
    sync_func_a,
    sync_gen_a,
    sync_iter_a,
    value_source,
)


@pytest.mark.parametrize(
    ("factory", "closed"),
    [
        (ClassA, False),
        (sync_func_a, False),
        (sync_iter_a, True),
        (sync_gen_a, True),
    ],
)
def test_sync(factory, closed):
    class MyProvider(Provider):
        a = provide(factory, scope=Scope.APP)

        @provide(scope=Scope.APP)
        def get_int(self) -> int:
            return 100

    container = make_container(MyProvider())
    assert container.registry.scope is Scope.APP
    a = container.get(ClassA)
    assert a
    assert a.dep == 100
    container.close()
    assert a.closed == closed


@pytest.mark.parametrize(
    ("factory", "closed"),
    [
        (ClassA, False),
        (sync_func_a, False),
        (sync_iter_a, True),
        (sync_gen_a, True),
        (async_func_a, False),
        (async_iter_a, True),
        (async_gen_a, True),
    ],
)
@pytest.mark.asyncio
async def test_async(factory, closed):
    class MyProvider(Provider):
        a = provide(factory, scope=Scope.APP)

        @provide(scope=Scope.APP)
        def get_int(self) -> int:
            return 100

    container = make_async_container(MyProvider())
    assert container.registry.scope is Scope.APP
    a = await container.get(ClassA)
    assert a
    assert a.dep == 100
    await container.close()
    assert a.closed == closed


def test_2decorators():
    class MyProvider(Provider):
        @provide(scope=Scope.APP)
        @provide(provides=float, scope=Scope.APP)
        def get(self) -> int:
            return 100

    container = make_container(MyProvider())
    assert container.get(float) == 100
    assert container.get(int) == 100


def test_value():
    class MyProvider(Provider):
        factory = value_source

    container = make_container(MyProvider())
    assert container.get(ClassA) is A_VALUE


@pytest.mark.asyncio
async def test_value_async():
    class MyProvider(Provider):
        factory = value_source

    container = make_async_container(MyProvider())
    assert await container.get(ClassA) is A_VALUE


class OtherClass:
    def method(self) -> ClassA:
        return A_VALUE

    @classmethod
    def classmethod(cls) -> ClassA:
        return A_VALUE

    @staticmethod
    def staticmethod() -> ClassA:
        return A_VALUE


@pytest.mark.parametrize("method", [
    OtherClass().method,
    OtherClass().classmethod,
    OtherClass().staticmethod,
])
def test_external_method(method):
    provider = Provider(scope=Scope.APP)
    provider.provide(method)

    container = make_container(provider)
    assert container.get(ClassA) is A_VALUE


@pytest.mark.parametrize(
    ("factory", "cache", "expected_count"),
    [
        (ClassA, True, 3),
        (ClassA, False, 2),
        (sync_func_a, True, 3),
        (sync_func_a, False, 2),
        (sync_iter_a, True, 3),
        (sync_iter_a, False, 2),
        (sync_gen_a, True, 3),
        (sync_gen_a, False, 2),
    ],
)
def test_sync_resolve_all(
    factory: Callable[..., Any], cache: bool, expected_count: int
):
    class MyProvider(Provider):
        a = provide(factory, scope=Scope.APP, cache=cache)

        @provide(scope=Scope.APP)
        def get_int(self) -> int:
            return 100

    container = make_container(MyProvider())
    assert container.registry.scope is Scope.APP
    assert len(container.context) == 1
    container.resolve_all()
    assert len(container.context) == expected_count
    container.close()


@pytest.mark.parametrize(
    ("factory", "cache", "expected_count"),
    [
        (ClassA, True, 3),
        (ClassA, False, 2),
        (async_func_a, True, 3),
        (async_func_a, False, 2),
        (async_iter_a, True, 3),
        (async_iter_a, False, 2),
        (async_gen_a, True, 3),
        (async_gen_a, False, 2),
    ],
)
@pytest.mark.asyncio
async def test_async_resolve_all(
    factory: Callable[..., Any], cache: bool, expected_count: int
):
    class MyProvider(Provider):
        a = provide(factory, scope=Scope.APP, cache=cache)

        @provide(scope=Scope.APP)
        def get_int(self) -> int:
            return 100

    container = make_async_container(MyProvider())
    assert container.registry.scope is Scope.APP
    assert len(container.context) == 1
    await container.resolve_all()
    assert len(container.context) == expected_count
    await container.close()