async def dependency_a():
    dep_a = generate_dep_a()
    try:
        yield dep_a
    finally:
        dep_a.close()


async def dependency_b(dep_a=Depends(dependency_a)):
    dep_b = generate_dep_b()
    try:
        yield dep_b
    finally:
        dep_b.close(dep_a)


async def dependency_c(dep_b=Depends(dependency_b)):
    dep_c = generate_dep_c()
    try:
        yield dep_c
    finally:

from typing import Annotated

from fastapi import Depends


async def dependency_a():
    dep_a = generate_dep_a()
    try:
        yield dep_a
    finally:
        dep_a.close()


async def dependency_b(dep_a: Annotated[DepA, Depends(dependency_a)]):
    dep_b = generate_dep_b()
    try:
        yield dep_b
    finally:
        dep_b.close(dep_a)

    with (
        patch(
            f"{module.__name__}.generate_dep_a",
            return_value=a_mock,
            create=True,
        ),
        patch(
            f"{module.__name__}.generate_dep_b",
            return_value=b_mock,
            create=True,
        ),
        patch(
            f"{module.__name__}.generate_dep_c",
            return_value=c_mock,
            create=True,
        ),