test_client.py

# File generated from our OpenAPI spec by Stainless.

from __future__ import annotations

import gc
import os
import json
import asyncio
import inspect
import tracemalloc
from typing import Any, Union, cast
from unittest import mock

import httpx
import pytest
from respx import MockRouter
from pydantic import ValidationError

from finch import Finch, AsyncFinch, APIResponseValidationError
from finch._types import Omit
from finch._client import Finch, AsyncFinch
from finch._models import BaseModel, FinalRequestOptions
from finch._exceptions import APIStatusError, APIResponseValidationError
from finch._base_client import (
    DEFAULT_TIMEOUT,
    HTTPX_DEFAULT_TIMEOUT,
    BaseClient,
    make_request_options,
)

from .utils import update_env

base_url = os.environ.get("TEST_API_BASE_URL", "http://127.0.0.1:4010")
access_token = "My Access Token"


def _get_params(client: BaseClient[Any, Any]) -> dict[str, str]:
    request = client._build_request(FinalRequestOptions(method="get", url="/foo"))
    url = httpx.URL(request.url)
    return dict(url.params)


class TestFinch:
    client = Finch(base_url=base_url, access_token=access_token, _strict_response_validation=True)

    @pytest.mark.respx(base_url=base_url)
    def test_raw_response(self, respx_mock: MockRouter) -> None:
        respx_mock.post("/foo").mock(return_value=httpx.Response(200, json={"foo": "bar"}))

        response = self.client.post("/foo", cast_to=httpx.Response)
        assert response.status_code == 200
        assert isinstance(response, httpx.Response)
        assert response.json() == {"foo": "bar"}

    @pytest.mark.respx(base_url=base_url)
    def test_raw_response_for_binary(self, respx_mock: MockRouter) -> None:
        respx_mock.post("/foo").mock(
            return_value=httpx.Response(200, headers={"Content-Type": "application/binary"}, content='{"foo": "bar"}')
        )

        response = self.client.post("/foo", cast_to=httpx.Response)
        assert response.status_code == 200
        assert isinstance(response, httpx.Response)
        assert response.json() == {"foo": "bar"}

    def test_copy(self) -> None:
        copied = self.client.copy()
        assert id(copied) != id(self.client)

        copied = self.client.copy(access_token="another My Access Token")
        assert copied.access_token == "another My Access Token"
        assert self.client.access_token == "My Access Token"

    def test_copy_default_options(self) -> None:
        # options that have a default are overridden correctly
        copied = self.client.copy(max_retries=7)
        assert copied.max_retries == 7
        assert self.client.max_retries == 2

        copied2 = copied.copy(max_retries=6)
        assert copied2.max_retries == 6
        assert copied.max_retries == 7

        # timeout
        assert isinstance(self.client.timeout, httpx.Timeout)
        copied = self.client.copy(timeout=None)
        assert copied.timeout is None
        assert isinstance(self.client.timeout, httpx.Timeout)

    def test_copy_default_headers(self) -> None:
        client = Finch(
            base_url=base_url,
            access_token=access_token,
            _strict_response_validation=True,
            default_headers={"X-Foo": "bar"},
        )
        assert client.default_headers["X-Foo"] == "bar"

        # does not override the already given value when not specified
        copied = client.copy()
        assert copied.default_headers["X-Foo"] == "bar"

        # merges already given headers
        copied = client.copy(default_headers={"X-Bar": "stainless"})
        assert copied.default_headers["X-Foo"] == "bar"
        assert copied.default_headers["X-Bar"] == "stainless"

        # uses new values for any already given headers
        copied = client.copy(default_headers={"X-Foo": "stainless"})
        assert copied.default_headers["X-Foo"] == "stainless"

        # set_default_headers

        # completely overrides already set values
        copied = client.copy(set_default_headers={})
        assert copied.default_headers.get("X-Foo") is None

        copied = client.copy(set_default_headers={"X-Bar": "Robert"})
        assert copied.default_headers["X-Bar"] == "Robert"

        with pytest.raises(
            ValueError,
            match="`default_headers` and `set_default_headers` arguments are mutually exclusive",
        ):
            client.copy(set_default_headers={}, default_headers={"X-Foo": "Bar"})

    def test_copy_default_query(self) -> None:
        client = Finch(
            base_url=base_url, access_token=access_token, _strict_response_validation=True, default_query={"foo": "bar"}
        )
        assert _get_params(client)["foo"] == "bar"

        # does not override the already given value when not specified
        copied = client.copy()
        assert _get_params(copied)["foo"] == "bar"

        # merges already given params
        copied = client.copy(default_query={"bar": "stainless"})
        params = _get_params(copied)
        assert params["foo"] == "bar"
        assert params["bar"] == "stainless"

        # uses new values for any already given headers
        copied = client.copy(default_query={"foo": "stainless"})
        assert _get_params(copied)["foo"] == "stainless"

        # set_default_query

        # completely overrides already set values
        copied = client.copy(set_default_query={})
        assert _get_params(copied) == {}

        copied = client.copy(set_default_query={"bar": "Robert"})
        assert _get_params(copied)["bar"] == "Robert"

        with pytest.raises(
            ValueError,
            # TODO: update
            match="`default_query` and `set_default_query` arguments are mutually exclusive",
        ):
            client.copy(set_default_query={}, default_query={"foo": "Bar"})

    def test_copy_signature(self) -> None:
        # ensure the same parameters that can be passed to the client are defined in the `.copy()` method
        init_signature = inspect.signature(
            # mypy doesn't like that we access the `__init__` property.
            self.client.__init__,  # type: ignore[misc]
        )
        copy_signature = inspect.signature(self.client.copy)
        exclude_params = {"transport", "proxies", "_strict_response_validation"}

        for name in init_signature.parameters.keys():
            if name in exclude_params:
                continue

            copy_param = copy_signature.parameters.get(name)
            assert copy_param is not None, f"copy() signature is missing the {name} param"

    def test_copy_build_request(self) -> None:
        options = FinalRequestOptions(method="get", url="/foo")

        def build_request(options: FinalRequestOptions) -> None:
            client = self.client.copy()
            client._build_request(options)

        # ensure that the machinery is warmed up before tracing starts.
        build_request(options)
        gc.collect()

        tracemalloc.start(1000)

        snapshot_before = tracemalloc.take_snapshot()

        ITERATIONS = 10
        for _ in range(ITERATIONS):
            build_request(options)
            gc.collect()

        snapshot_after = tracemalloc.take_snapshot()

        tracemalloc.stop()

        def add_leak(leaks: list[tracemalloc.StatisticDiff], diff: tracemalloc.StatisticDiff) -> None:
            if diff.count == 0:
                # Avoid false positives by considering only leaks (i.e. allocations that persist).
                return

            if diff.count % ITERATIONS != 0:
                # Avoid false positives by considering only leaks that appear per iteration.
                return

            for frame in diff.traceback:
                if any(
                    frame.filename.endswith(fragment)
                    for fragment in [
                        # to_raw_response_wrapper leaks through the @functools.wraps() decorator.
                        #
                        # removing the decorator fixes the leak for reasons we don't understand.
                        "finch/_response.py",
                        # pydantic.BaseModel.model_dump || pydantic.BaseModel.dict leak memory for some reason.
                        "finch/_compat.py",
                        # Standard library leaks we don't care about.
                        "/logging/__init__.py",
                    ]
                ):
                    return

            leaks.append(diff)

        leaks: list[tracemalloc.StatisticDiff] = []
        for diff in snapshot_after.compare_to(snapshot_before, "traceback"):
            add_leak(leaks, diff)
        if leaks:
            for leak in leaks:
                print("MEMORY LEAK:", leak)
                for frame in leak.traceback:
                    print(frame)
            raise AssertionError()

    def test_request_timeout(self) -> None:
        request = self.client._build_request(FinalRequestOptions(method="get", url="/foo"))
        timeout = httpx.Timeout(**request.extensions["timeout"])  # type: ignore
        assert timeout == DEFAULT_TIMEOUT

        request = self.client._build_request(
            FinalRequestOptions(method="get", url="/foo", timeout=httpx.Timeout(100.0))
        )
        timeout = httpx.Timeout(**request.extensions["timeout"])  # type: ignore
        assert timeout == httpx.Timeout(100.0)

    def test_client_timeout_option(self) -> None:
        client = Finch(
            base_url=base_url, access_token=access_token, _strict_response_validation=True, timeout=httpx.Timeout(0)
        )

        request = client._build_request(FinalRequestOptions(method="get", url="/foo"))
        timeout = httpx.Timeout(**request.extensions["timeout"])  # type: ignore
        assert timeout == httpx.Timeout(0)

    def test_http_client_timeout_option(self) -> None:
        # custom timeout given to the httpx client should be used
        with httpx.Client(timeout=None) as http_client:
            client = Finch(
                base_url=base_url, access_token=access_token, _strict_response_validation=True, http_client=http_client
            )

            request = client._build_request(FinalRequestOptions(method="get", url="/foo"))
            timeout = httpx.Timeout(**request.extensions["timeout"])  # type: ignore
            assert timeout == httpx.Timeout(None)

        # no timeout given to the httpx client should not use the httpx default
        with httpx.Client() as http_client:
            client = Finch(
                base_url=base_url, access_token=access_token, _strict_response_validation=True, http_client=http_client
            )

            request = client._build_request(FinalRequestOptions(method="get", url="/foo"))
            timeout = httpx.Timeout(**request.extensions["timeout"])  # type: ignore
            assert timeout == DEFAULT_TIMEOUT

        # explicitly passing the default timeout currently results in it being ignored
        with httpx.Client(timeout=HTTPX_DEFAULT_TIMEOUT) as http_client:
            client = Finch(
                base_url=base_url, access_token=access_token, _strict_response_validation=True, http_client=http_client
            )

            request = client._build_request(FinalRequestOptions(method="get", url="/foo"))
            timeout = httpx.Timeout(**request.extensions["timeout"])  # type: ignore
            assert timeout == DEFAULT_TIMEOUT  # our default

    def test_default_headers_option(self) -> None:
        client = Finch(
            base_url=base_url,
            access_token=access_token,
            _strict_response_validation=True,
            default_headers={"X-Foo": "bar"},
        )
        request = client._build_request(FinalRequestOptions(method="get", url="/foo"))
        assert request.headers.get("x-foo") == "bar"
        assert request.headers.get("x-stainless-lang") == "python"

        client2 = Finch(
            base_url=base_url,
            access_token=access_token,
            _strict_response_validation=True,
            default_headers={
                "X-Foo": "stainless",
                "X-Stainless-Lang": "my-overriding-header",
            },
        )
        request = client2._build_request(FinalRequestOptions(method="get", url="/foo"))
        assert request.headers.get("x-foo") == "stainless"
        assert request.headers.get("x-stainless-lang") == "my-overriding-header"

    def test_validate_headers(self) -> None:
        client = Finch(base_url=base_url, access_token=access_token, _strict_response_validation=True)
        request = client._build_request(FinalRequestOptions(method="get", url="/foo"))
        assert request.headers.get("Authorization") == f"Bearer {access_token}"

        client2 = Finch(base_url=base_url, access_token=None, _strict_response_validation=True)
        with pytest.raises(
            TypeError,
            match="Could not resolve authentication method. Expected the access_token to be set. Or for the `Authorization` headers to be explicitly omitted",
        ):
            client2._build_request(FinalRequestOptions(method="get", url="/foo"))

        request2 = client2._build_request(
            FinalRequestOptions(method="get", url="/foo", headers={"Authorization": Omit()})
        )
        assert request2.headers.get("Authorization") is None

    def test_default_query_option(self) -> None:
        client = Finch(
            base_url=base_url,
            access_token=access_token,
            _strict_response_validation=True,
            default_query={"query_param": "bar"},
        )
        request = client._build_request(FinalRequestOptions(method="get", url="/foo"))
        url = httpx.URL(request.url)
        assert dict(url.params) == {"query_param": "bar"}

        request = client._build_request(
            FinalRequestOptions(
                method="get",
                url="/foo",
                params={"foo": "baz", "query_param": "overriden"},
            )
        )
        url = httpx.URL(request.url)
        assert dict(url.params) == {"foo": "baz", "query_param": "overriden"}

    def test_request_extra_json(self) -> None:
        request = self.client._build_request(
            FinalRequestOptions(
                method="post",
                url="/foo",
                json_data={"foo": "bar"},
                extra_json={"baz": False},
            ),
        )
        data = json.loads(request.content.decode("utf-8"))
        assert data == {"foo": "bar", "baz": False}

        request = self.client._build_request(
            FinalRequestOptions(
                method="post",
                url="/foo",
                extra_json={"baz": False},
            ),
        )
        data = json.loads(request.content.decode("utf-8"))
        assert data == {"baz": False}

        # `extra_json` takes priority over `json_data` when keys clash
        request = self.client._build_request(
            FinalRequestOptions(
                method="post",
                url="/foo",
                json_data={"foo": "bar", "baz": True},
                extra_json={"baz": None},
            ),
        )
        data = json.loads(request.content.decode("utf-8"))
        assert data == {"foo": "bar", "baz": None}

    def test_request_extra_headers(self) -> None:
        request = self.client._build_request(
            FinalRequestOptions(
                method="post",
                url="/foo",
                **make_request_options(extra_headers={"X-Foo": "Foo"}),
            ),
        )
        assert request.headers.get("X-Foo") == "Foo"

        # `extra_headers` takes priority over `default_headers` when keys clash
        request = self.client.with_options(default_headers={"X-Bar": "true"})._build_request(
            FinalRequestOptions(
                method="post",
                url="/foo",
                **make_request_options(
                    extra_headers={"X-Bar": "false"},
                ),
            ),
        )
        assert request.headers.get("X-Bar") == "false"

    def test_request_extra_query(self) -> None:
        request = self.client._build_request(
            FinalRequestOptions(
                method="post",
                url="/foo",
                **make_request_options(
                    extra_query={"my_query_param": "Foo"},
                ),
            ),
        )
        params = dict(request.url.params)
        assert params == {"my_query_param": "Foo"}

        # if both `query` and `extra_query` are given, they are merged
        request = self.client._build_request(
            FinalRequestOptions(
                method="post",
                url="/foo",
                **make_request_options(
                    query={"bar": "1"},
                    extra_query={"foo": "2"},
                ),
            ),
        )
        params = dict(request.url.params)
        assert params == {"bar": "1", "foo": "2"}

        # `extra_query` takes priority over `query` when keys clash
        request = self.client._build_request(
            FinalRequestOptions(
                method="post",
                url="/foo",
                **make_request_options(
                    query={"foo": "1"},
                    extra_query={"foo": "2"},
                ),
            ),
        )
        params = dict(request.url.params)
        assert params == {"foo": "2"}

    @pytest.mark.respx(base_url=base_url)
    def test_basic_union_response(self, respx_mock: MockRouter) -> None:
        class Model1(BaseModel):
            name: str

        class Model2(BaseModel):
            foo: str

        respx_mock.get("/foo").mock(return_value=httpx.Response(200, json={"foo": "bar"}))

        response = self.client.get("/foo", cast_to=cast(Any, Union[Model1, Model2]))
        assert isinstance(response, Model2)
        assert response.foo == "bar"

    @pytest.mark.respx(base_url=base_url)
    def test_union_response_different_types(self, respx_mock: MockRouter) -> None:
        """Union of objects with the same field name using a different type"""

        class Model1(BaseModel):
            foo: int

        class Model2(BaseModel):
            foo: str

        respx_mock.get("/foo").mock(return_value=httpx.Response(200, json={"foo": "bar"}))

        response = self.client.get("/foo", cast_to=cast(Any, Union[Model1, Model2]))
        assert isinstance(response, Model2)
        assert response.foo == "bar"

        respx_mock.get("/foo").mock(return_value=httpx.Response(200, json={"foo": 1}))

        response = self.client.get("/foo", cast_to=cast(Any, Union[Model1, Model2]))
        assert isinstance(response, Model1)
        assert response.foo == 1

    @pytest.mark.respx(base_url=base_url)
    def test_non_application_json_content_type_for_json_data(self, respx_mock: MockRouter) -> None:
        """
        Response that sets Content-Type to something other than application/json but returns json data
        """

        class Model(BaseModel):
            foo: int

        respx_mock.get("/foo").mock(
            return_value=httpx.Response(
                200,
                content=json.dumps({"foo": 2}),
                headers={"Content-Type": "application/text"},
            )
        )

        response = self.client.get("/foo", cast_to=Model)
        assert isinstance(response, Model)
        assert response.foo == 2

    def test_base_url_setter(self) -> None:
        client = Finch(
            base_url="https://example.com/from_init", access_token=access_token, _strict_response_validation=True
        )
        assert client.base_url == "https://example.com/from_init/"

        client.base_url = "https://example.com/from_setter"  # type: ignore[assignment]

        assert client.base_url == "https://example.com/from_setter/"

    def test_base_url_env(self) -> None:
        with update_env(FINCH_BASE_URL="http://localhost:5000/from/env"):
            client = Finch(access_token=access_token, _strict_response_validation=True)
            assert client.base_url == "http://localhost:5000/from/env/"

    @pytest.mark.parametrize(
        "client",
        [
            Finch(
                base_url="http://localhost:5000/custom/path/",
                access_token=access_token,
                _strict_response_validation=True,
            ),
            Finch(
                base_url="http://localhost:5000/custom/path/",
                access_token=access_token,
                _strict_response_validation=True,
                http_client=httpx.Client(),
            ),
        ],
        ids=["standard", "custom http client"],
    )
    def test_base_url_trailing_slash(self, client: Finch) -> None:
        request = client._build_request(
            FinalRequestOptions(
                method="post",
                url="/foo",
                json_data={"foo": "bar"},
            ),
        )
        assert request.url == "http://localhost:5000/custom/path/foo"

    @pytest.mark.parametrize(
        "client",
        [
            Finch(
                base_url="http://localhost:5000/custom/path/",
                access_token=access_token,
                _strict_response_validation=True,
            ),
            Finch(
                base_url="http://localhost:5000/custom/path/",
                access_token=access_token,
                _strict_response_validation=True,
                http_client=httpx.Client(),
            ),
        ],
        ids=["standard", "custom http client"],
    )
    def test_base_url_no_trailing_slash(self, client: Finch) -> None:
        request = client._build_request(
            FinalRequestOptions(
                method="post",
                url="/foo",
                json_data={"foo": "bar"},
            ),
        )
        assert request.url == "http://localhost:5000/custom/path/foo"

    @pytest.mark.parametrize(
        "client",
        [
            Finch(
                base_url="http://localhost:5000/custom/path/",
                access_token=access_token,
                _strict_response_validation=True,
            ),
            Finch(
                base_url="http://localhost:5000/custom/path/",
                access_token=access_token,
                _strict_response_validation=True,
                http_client=httpx.Client(),
            ),
        ],
        ids=["standard", "custom http client"],
    )
    def test_absolute_request_url(self, client: Finch) -> None:
        request = client._build_request(
            FinalRequestOptions(
                method="post",
                url="https://myapi.com/foo",
                json_data={"foo": "bar"},
            ),
        )
        assert request.url == "https://myapi.com/foo"

    def test_transport_option_is_deprecated(self) -> None:
        with pytest.warns(
            DeprecationWarning,
            match="The `transport` argument is deprecated. The `http_client` argument should be passed instead",
        ):
            transport = httpx.MockTransport(
                lambda: None,  # type: ignore
            )

            client = Finch(
                base_url=base_url, access_token=access_token, _strict_response_validation=True, transport=transport
            )

            assert client._client._transport is transport

    def test_transport_option_mutually_exclusive_with_http_client(self) -> None:
        with httpx.Client() as http_client:
            with pytest.raises(ValueError, match="The `http_client` argument is mutually exclusive with `transport`"):
                with pytest.warns(DeprecationWarning):
                    Finch(
                        base_url=base_url,
                        access_token=access_token,
                        _strict_response_validation=True,
                        transport=httpx.MockTransport(
                            lambda: None,  # type: ignore
                        ),
                        http_client=http_client,
                    )

    def test_connection_pool_limits_option_is_deprecated(self) -> None:
        with pytest.warns(
            DeprecationWarning,
            match="The `connection_pool_limits` argument is deprecated. The `http_client` argument should be passed instead",
        ):
            connection_pool_limits = httpx.Limits(
                max_connections=101, max_keepalive_connections=76, keepalive_expiry=23
            )

            client = Finch(
                base_url=base_url,
                access_token=access_token,
                _strict_response_validation=True,
                connection_pool_limits=connection_pool_limits,
            )

            assert isinstance(client._client._transport, httpx.HTTPTransport)
            assert client._client._transport._pool._max_connections == 101
            assert client._client._transport._pool._max_keepalive_connections == 76
            assert client._client._transport._pool._keepalive_expiry == 23

    def test_connection_pool_limits_option_mutually_exclusive_with_http_client(self) -> None:
        with httpx.Client() as http_client:
            with pytest.raises(
                ValueError, match="The `http_client` argument is mutually exclusive with `connection_pool_limits`"
            ):
                with pytest.warns(DeprecationWarning):
                    Finch(
                        base_url=base_url,
                        access_token=access_token,
                        _strict_response_validation=True,
                        connection_pool_limits=httpx.Limits(
                            max_connections=101, max_keepalive_connections=76, keepalive_expiry=23
                        ),
                        http_client=http_client,
                    )

    def test_proxies_option_is_deprecated(self) -> None:
        with pytest.warns(
            DeprecationWarning,
            match="The `proxies` argument is deprecated. The `http_client` argument should be passed instead",
        ):
            proxies = "https://www.example.com/proxy"

            client = Finch(
                base_url=base_url, access_token=access_token, _strict_response_validation=True, proxies=proxies
            )

            mounts = list(client._client._mounts.keys())
            assert len(mounts) == 1

            pattern = mounts[0].pattern
            assert pattern == "all://"

    def test_proxies_option_mutually_exclusive_with_http_client(self) -> None:
        with httpx.Client() as http_client:
            with pytest.raises(ValueError, match="The `http_client` argument is mutually exclusive with `proxies`"):
                with pytest.warns(DeprecationWarning):
                    Finch(
                        base_url=base_url,
                        access_token=access_token,
                        _strict_response_validation=True,
                        proxies="https://www.example.com/proxy",
                        http_client=http_client,
                    )

    def test_copied_client_does_not_close_http(self) -> None:
        client = Finch(base_url=base_url, access_token=access_token, _strict_response_validation=True)
        assert not client.is_closed()

        copied = client.copy()
        assert copied is not client

        del copied

        assert not client.is_closed()

    def test_client_context_manager(self) -> None:
        client = Finch(base_url=base_url, access_token=access_token, _strict_response_validation=True)
        with client as c2:
            assert c2 is client
            assert not c2.is_closed()
            assert not client.is_closed()
        assert client.is_closed()

    @pytest.mark.respx(base_url=base_url)
    def test_client_response_validation_error(self, respx_mock: MockRouter) -> None:
        class Model(BaseModel):
            foo: str

        respx_mock.get("/foo").mock(return_value=httpx.Response(200, json={"foo": {"invalid": True}}))

        with pytest.raises(APIResponseValidationError) as exc:
            self.client.get("/foo", cast_to=Model)

        assert isinstance(exc.value.__cause__, ValidationError)

    @pytest.mark.respx(base_url=base_url)
    def test_received_text_for_expected_json(self, respx_mock: MockRouter) -> None:
        class Model(BaseModel):
            name: str

        respx_mock.get("/foo").mock(return_value=httpx.Response(200, text="my-custom-format"))

        strict_client = Finch(base_url=base_url, access_token=access_token, _strict_response_validation=True)

        with pytest.raises(APIResponseValidationError):
            strict_client.get("/foo", cast_to=Model)

        client = Finch(base_url=base_url, access_token=access_token, _strict_response_validation=False)

        response = client.get("/foo", cast_to=Model)
        assert isinstance(response, str)  # type: ignore[unreachable]

    @pytest.mark.parametrize(
        "remaining_retries,retry_after,timeout",
        [
            [3, "20", 20],
            [3, "0", 0.5],
            [3, "-10", 0.5],
            [3, "60", 60],
            [3, "61", 0.5],
            [3, "Fri, 29 Sep 2023 16:26:57 GMT", 20],
            [3, "Fri, 29 Sep 2023 16:26:37 GMT", 0.5],
            [3, "Fri, 29 Sep 2023 16:26:27 GMT", 0.5],
            [3, "Fri, 29 Sep 2023 16:27:37 GMT", 60],
            [3, "Fri, 29 Sep 2023 16:27:38 GMT", 0.5],
            [3, "99999999999999999999999999999999999", 0.5],
            [3, "Zun, 29 Sep 2023 16:26:27 GMT", 0.5],
            [3, "", 0.5],
            [2, "", 0.5 * 2.0],
            [1, "", 0.5 * 4.0],
        ],
    )
    @mock.patch("time.time", mock.MagicMock(return_value=1696004797))
    def test_parse_retry_after_header(self, remaining_retries: int, retry_after: str, timeout: float) -> None:
        client = Finch(base_url=base_url, access_token=access_token, _strict_response_validation=True)

        headers = httpx.Headers({"retry-after": retry_after})
        options = FinalRequestOptions(method="get", url="/foo", max_retries=3)
        calculated = client._calculate_retry_timeout(remaining_retries, options, headers)
        assert calculated == pytest.approx(timeout, 0.5 * 0.875)  # pyright: ignore[reportUnknownMemberType]

    @pytest.mark.respx(base_url=base_url)
    def test_status_error_within_httpx(self, respx_mock: MockRouter) -> None:
        respx_mock.post("/foo").mock(return_value=httpx.Response(200, json={"foo": "bar"}))

        def on_response(response: httpx.Response) -> None:
            raise httpx.HTTPStatusError(
                "Simulating an error inside httpx",
                response=response,
                request=response.request,
            )

        client = Finch(
            base_url=base_url,
            access_token=access_token,
            _strict_response_validation=True,
            http_client=httpx.Client(
                event_hooks={
                    "response": [on_response],
                }
            ),
            max_retries=0,
        )
        with pytest.raises(APIStatusError):
            client.post("/foo", cast_to=httpx.Response)


class TestAsyncFinch:
    client = AsyncFinch(base_url=base_url, access_token=access_token, _strict_response_validation=True)

    @pytest.mark.respx(base_url=base_url)
    @pytest.mark.asyncio
    async def test_raw_response(self, respx_mock: MockRouter) -> None:
        respx_mock.post("/foo").mock(return_value=httpx.Response(200, json={"foo": "bar"}))

        response = await self.client.post("/foo", cast_to=httpx.Response)
        assert response.status_code == 200
        assert isinstance(response, httpx.Response)
        assert response.json() == {"foo": "bar"}

    @pytest.mark.respx(base_url=base_url)
    @pytest.mark.asyncio
    async def test_raw_response_for_binary(self, respx_mock: MockRouter) -> None:
        respx_mock.post("/foo").mock(
            return_value=httpx.Response(200, headers={"Content-Type": "application/binary"}, content='{"foo": "bar"}')
        )

        response = await self.client.post("/foo", cast_to=httpx.Response)
        assert response.status_code == 200
        assert isinstance(response, httpx.Response)
        assert response.json() == {"foo": "bar"}

    def test_copy(self) -> None:
        copied = self.client.copy()
        assert id(copied) != id(self.client)

        copied = self.client.copy(access_token="another My Access Token")
        assert copied.access_token == "another My Access Token"
        assert self.client.access_token == "My Access Token"

    def test_copy_default_options(self) -> None:
        # options that have a default are overridden correctly
        copied = self.client.copy(max_retries=7)
        assert copied.max_retries == 7
        assert self.client.max_retries == 2

        copied2 = copied.copy(max_retries=6)
        assert copied2.max_retries == 6
        assert copied.max_retries == 7

        # timeout
        assert isinstance(self.client.timeout, httpx.Timeout)
        copied = self.client.copy(timeout=None)
        assert copied.timeout is None
        assert isinstance(self.client.timeout, httpx.Timeout)

    def test_copy_default_headers(self) -> None:
        client = AsyncFinch(
            base_url=base_url,
            access_token=access_token,
            _strict_response_validation=True,
            default_headers={"X-Foo": "bar"},
        )
        assert client.default_headers["X-Foo"] == "bar"

        # does not override the already given value when not specified
        copied = client.copy()
        assert copied.default_headers["X-Foo"] == "bar"

        # merges already given headers
        copied = client.copy(default_headers={"X-Bar": "stainless"})
        assert copied.default_headers["X-Foo"] == "bar"
        assert copied.default_headers["X-Bar"] == "stainless"

        # uses new values for any already given headers
        copied = client.copy(default_headers={"X-Foo": "stainless"})
        assert copied.default_headers["X-Foo"] == "stainless"

        # set_default_headers

        # completely overrides already set values
        copied = client.copy(set_default_headers={})
        assert copied.default_headers.get("X-Foo") is None

        copied = client.copy(set_default_headers={"X-Bar": "Robert"})
        assert copied.default_headers["X-Bar"] == "Robert"

        with pytest.raises(
            ValueError,
            match="`default_headers` and `set_default_headers` arguments are mutually exclusive",
        ):
            client.copy(set_default_headers={}, default_headers={"X-Foo": "Bar"})

    def test_copy_default_query(self) -> None:
        client = AsyncFinch(
            base_url=base_url, access_token=access_token, _strict_response_validation=True, default_query={"foo": "bar"}
        )
        assert _get_params(client)["foo"] == "bar"

        # does not override the already given value when not specified
        copied = client.copy()
        assert _get_params(copied)["foo"] == "bar"

        # merges already given params
        copied = client.copy(default_query={"bar": "stainless"})
        params = _get_params(copied)
        assert params["foo"] == "bar"
        assert params["bar"] == "stainless"

        # uses new values for any already given headers
        copied = client.copy(default_query={"foo": "stainless"})
        assert _get_params(copied)["foo"] == "stainless"

        # set_default_query

        # completely overrides already set values
        copied = client.copy(set_default_query={})
        assert _get_params(copied) == {}

        copied = client.copy(set_default_query={"bar": "Robert"})
        assert _get_params(copied)["bar"] == "Robert"

        with pytest.raises(
            ValueError,
            # TODO: update
            match="`default_query` and `set_default_query` arguments are mutually exclusive",
        ):
            client.copy(set_default_query={}, default_query={"foo": "Bar"})

    def test_copy_signature(self) -> None:
        # ensure the same parameters that can be passed to the client are defined in the `.copy()` method
        init_signature = inspect.signature(
            # mypy doesn't like that we access the `__init__` property.
            self.client.__init__,  # type: ignore[misc]
        )
        copy_signature = inspect.signature(self.client.copy)
        exclude_params = {"transport", "proxies", "_strict_response_validation"}

        for name in init_signature.parameters.keys():
            if name in exclude_params:
                continue

            copy_param = copy_signature.parameters.get(name)
            assert copy_param is not None, f"copy() signature is missing the {name} param"

    def test_copy_build_request(self) -> None:
        options = FinalRequestOptions(method="get", url="/foo")

        def build_request(options: FinalRequestOptions) -> None:
            client = self.client.copy()
            client._build_request(options)

        # ensure that the machinery is warmed up before tracing starts.
        build_request(options)
        gc.collect()

        tracemalloc.start(1000)

        snapshot_before = tracemalloc.take_snapshot()

        ITERATIONS = 10
        for _ in range(ITERATIONS):
            build_request(options)
            gc.collect()

        snapshot_after = tracemalloc.take_snapshot()

        tracemalloc.stop()

        def add_leak(leaks: list[tracemalloc.StatisticDiff], diff: tracemalloc.StatisticDiff) -> None:
            if diff.count == 0:
                # Avoid false positives by considering only leaks (i.e. allocations that persist).
                return

            if diff.count % ITERATIONS != 0:
                # Avoid false positives by considering only leaks that appear per iteration.
                return

            for frame in diff.traceback:
                if any(
                    frame.filename.endswith(fragment)
                    for fragment in [
                        # to_raw_response_wrapper leaks through the @functools.wraps() decorator.
                        #
                        # removing the decorator fixes the leak for reasons we don't understand.
                        "finch/_response.py",
                        # pydantic.BaseModel.model_dump || pydantic.BaseModel.dict leak memory for some reason.
                        "finch/_compat.py",
                        # Standard library leaks we don't care about.
                        "/logging/__init__.py",
                    ]
                ):
                    return

            leaks.append(diff)

        leaks: list[tracemalloc.StatisticDiff] = []
        for diff in snapshot_after.compare_to(snapshot_before, "traceback"):
            add_leak(leaks, diff)
        if leaks:
            for leak in leaks:
                print("MEMORY LEAK:", leak)
                for frame in leak.traceback:
                    print(frame)
            raise AssertionError()

    async def test_request_timeout(self) -> None:
        request = self.client._build_request(FinalRequestOptions(method="get", url="/foo"))
        timeout = httpx.Timeout(**request.extensions["timeout"])  # type: ignore
        assert timeout == DEFAULT_TIMEOUT

        request = self.client._build_request(
            FinalRequestOptions(method="get", url="/foo", timeout=httpx.Timeout(100.0))
        )
        timeout = httpx.Timeout(**request.extensions["timeout"])  # type: ignore
        assert timeout == httpx.Timeout(100.0)

    async def test_client_timeout_option(self) -> None:
        client = AsyncFinch(
            base_url=base_url, access_token=access_token, _strict_response_validation=True, timeout=httpx.Timeout(0)
        )

        request = client._build_request(FinalRequestOptions(method="get", url="/foo"))
        timeout = httpx.Timeout(**request.extensions["timeout"])  # type: ignore
        assert timeout == httpx.Timeout(0)

    async def test_http_client_timeout_option(self) -> None:
        # custom timeout given to the httpx client should be used
        async with httpx.AsyncClient(timeout=None) as http_client:
            client = AsyncFinch(
                base_url=base_url, access_token=access_token, _strict_response_validation=True, http_client=http_client
            )

            request = client._build_request(FinalRequestOptions(method="get", url="/foo"))
            timeout = httpx.Timeout(**request.extensions["timeout"])  # type: ignore
            assert timeout == httpx.Timeout(None)

        # no timeout given to the httpx client should not use the httpx default
        async with httpx.AsyncClient() as http_client:
            client = AsyncFinch(
                base_url=base_url, access_token=access_token, _strict_response_validation=True, http_client=http_client
            )

            request = client._build_request(FinalRequestOptions(method="get", url="/foo"))
            timeout = httpx.Timeout(**request.extensions["timeout"])  # type: ignore
            assert timeout == DEFAULT_TIMEOUT

        # explicitly passing the default timeout currently results in it being ignored
        async with httpx.AsyncClient(timeout=HTTPX_DEFAULT_TIMEOUT) as http_client:
            client = AsyncFinch(
                base_url=base_url, access_token=access_token, _strict_response_validation=True, http_client=http_client
            )

            request = client._build_request(FinalRequestOptions(method="get", url="/foo"))
            timeout = httpx.Timeout(**request.extensions["timeout"])  # type: ignore
            assert timeout == DEFAULT_TIMEOUT  # our default

    def test_default_headers_option(self) -> None:
        client = AsyncFinch(
            base_url=base_url,
            access_token=access_token,
            _strict_response_validation=True,
            default_headers={"X-Foo": "bar"},
        )
        request = client._build_request(FinalRequestOptions(method="get", url="/foo"))
        assert request.headers.get("x-foo") == "bar"
        assert request.headers.get("x-stainless-lang") == "python"

        client2 = AsyncFinch(
            base_url=base_url,
            access_token=access_token,
            _strict_response_validation=True,
            default_headers={
                "X-Foo": "stainless",
                "X-Stainless-Lang": "my-overriding-header",
            },
        )
        request = client2._build_request(FinalRequestOptions(method="get", url="/foo"))
        assert request.headers.get("x-foo") == "stainless"
        assert request.headers.get("x-stainless-lang") == "my-overriding-header"

    def test_validate_headers(self) -> None:
        client = AsyncFinch(base_url=base_url, access_token=access_token, _strict_response_validation=True)
        request = client._build_request(FinalRequestOptions(method="get", url="/foo"))
        assert request.headers.get("Authorization") == f"Bearer {access_token}"

        client2 = AsyncFinch(base_url=base_url, access_token=None, _strict_response_validation=True)
        with pytest.raises(
            TypeError,
            match="Could not resolve authentication method. Expected the access_token to be set. Or for the `Authorization` headers to be explicitly omitted",
        ):
            client2._build_request(FinalRequestOptions(method="get", url="/foo"))

        request2 = client2._build_request(
            FinalRequestOptions(method="get", url="/foo", headers={"Authorization": Omit()})
        )
        assert request2.headers.get("Authorization") is None

    def test_default_query_option(self) -> None:
        client = AsyncFinch(
            base_url=base_url,
            access_token=access_token,
            _strict_response_validation=True,
            default_query={"query_param": "bar"},
        )
        request = client._build_request(FinalRequestOptions(method="get", url="/foo"))
        url = httpx.URL(request.url)
        assert dict(url.params) == {"query_param": "bar"}

        request = client._build_request(
            FinalRequestOptions(
                method="get",
                url="/foo",
                params={"foo": "baz", "query_param": "overriden"},
            )
        )
        url = httpx.URL(request.url)
        assert dict(url.params) == {"foo": "baz", "query_param": "overriden"}

    def test_request_extra_json(self) -> None:
        request = self.client._build_request(
            FinalRequestOptions(
                method="post",
                url="/foo",
                json_data={"foo": "bar"},
                extra_json={"baz": False},
            ),
        )
        data = json.loads(request.content.decode("utf-8"))
        assert data == {"foo": "bar", "baz": False}

        request = self.client._build_request(
            FinalRequestOptions(
                method="post",
                url="/foo",
                extra_json={"baz": False},
            ),
        )
        data = json.loads(request.content.decode("utf-8"))
        assert data == {"baz": False}

        # `extra_json` takes priority over `json_data` when keys clash
        request = self.client._build_request(
            FinalRequestOptions(
                method="post",
                url="/foo",
                json_data={"foo": "bar", "baz": True},
                extra_json={"baz": None},
            ),
        )
        data = json.loads(request.content.decode("utf-8"))
        assert data == {"foo": "bar", "baz": None}

    def test_request_extra_headers(self) -> None:
        request = self.client._build_request(
            FinalRequestOptions(
                method="post",
                url="/foo",
                **make_request_options(extra_headers={"X-Foo": "Foo"}),
            ),
        )
        assert request.headers.get("X-Foo") == "Foo"

        # `extra_headers` takes priority over `default_headers` when keys clash
        request = self.client.with_options(default_headers={"X-Bar": "true"})._build_request(
            FinalRequestOptions(
                method="post",
                url="/foo",
                **make_request_options(
                    extra_headers={"X-Bar": "false"},
                ),
            ),
        )
        assert request.headers.get("X-Bar") == "false"

    def test_request_extra_query(self) -> None:
        request = self.client._build_request(
            FinalRequestOptions(
                method="post",
                url="/foo",
                **make_request_options(
                    extra_query={"my_query_param": "Foo"},
                ),
            ),
        )
        params = dict(request.url.params)
        assert params == {"my_query_param": "Foo"}

        # if both `query` and `extra_query` are given, they are merged
        request = self.client._build_request(
            FinalRequestOptions(
                method="post",
                url="/foo",
                **make_request_options(
                    query={"bar": "1"},
                    extra_query={"foo": "2"},
                ),
            ),
        )
        params = dict(request.url.params)
        assert params == {"bar": "1", "foo": "2"}

        # `extra_query` takes priority over `query` when keys clash
        request = self.client._build_request(
            FinalRequestOptions(
                method="post",
                url="/foo",
                **make_request_options(
                    query={"foo": "1"},
                    extra_query={"foo": "2"},
                ),
            ),
        )
        params = dict(request.url.params)
        assert params == {"foo": "2"}

    @pytest.mark.respx(base_url=base_url)
    async def test_basic_union_response(self, respx_mock: MockRouter) -> None:
        class Model1(BaseModel):
            name: str

        class Model2(BaseModel):
            foo: str

        respx_mock.get("/foo").mock(return_value=httpx.Response(200, json={"foo": "bar"}))

        response = await self.client.get("/foo", cast_to=cast(Any, Union[Model1, Model2]))
        assert isinstance(response, Model2)
        assert response.foo == "bar"

    @pytest.mark.respx(base_url=base_url)
    async def test_union_response_different_types(self, respx_mock: MockRouter) -> None:
        """Union of objects with the same field name using a different type"""

        class Model1(BaseModel):
            foo: int

        class Model2(BaseModel):
            foo: str

        respx_mock.get("/foo").mock(return_value=httpx.Response(200, json={"foo": "bar"}))

        response = await self.client.get("/foo", cast_to=cast(Any, Union[Model1, Model2]))
        assert isinstance(response, Model2)
        assert response.foo == "bar"

        respx_mock.get("/foo").mock(return_value=httpx.Response(200, json={"foo": 1}))

        response = await self.client.get("/foo", cast_to=cast(Any, Union[Model1, Model2]))
        assert isinstance(response, Model1)
        assert response.foo == 1

    @pytest.mark.respx(base_url=base_url)
    async def test_non_application_json_content_type_for_json_data(self, respx_mock: MockRouter) -> None:
        """
        Response that sets Content-Type to something other than application/json but returns json data
        """

        class Model(BaseModel):
            foo: int

        respx_mock.get("/foo").mock(
            return_value=httpx.Response(
                200,
                content=json.dumps({"foo": 2}),
                headers={"Content-Type": "application/text"},
            )
        )

        response = await self.client.get("/foo", cast_to=Model)
        assert isinstance(response, Model)
        assert response.foo == 2

    def test_base_url_setter(self) -> None:
        client = AsyncFinch(
            base_url="https://example.com/from_init", access_token=access_token, _strict_response_validation=True
        )
        assert client.base_url == "https://example.com/from_init/"

        client.base_url = "https://example.com/from_setter"  # type: ignore[assignment]

        assert client.base_url == "https://example.com/from_setter/"

    def test_base_url_env(self) -> None:
        with update_env(FINCH_BASE_URL="http://localhost:5000/from/env"):
            client = AsyncFinch(access_token=access_token, _strict_response_validation=True)
            assert client.base_url == "http://localhost:5000/from/env/"

    @pytest.mark.parametrize(
        "client",
        [
            AsyncFinch(
                base_url="http://localhost:5000/custom/path/",
                access_token=access_token,
                _strict_response_validation=True,
            ),
            AsyncFinch(
                base_url="http://localhost:5000/custom/path/",
                access_token=access_token,
                _strict_response_validation=True,
                http_client=httpx.AsyncClient(),
            ),
        ],
        ids=["standard", "custom http client"],
    )
    def test_base_url_trailing_slash(self, client: AsyncFinch) -> None:
        request = client._build_request(
            FinalRequestOptions(
                method="post",
                url="/foo",
                json_data={"foo": "bar"},
            ),
        )
        assert request.url == "http://localhost:5000/custom/path/foo"

    @pytest.mark.parametrize(
        "client",
        [
            AsyncFinch(
                base_url="http://localhost:5000/custom/path/",
                access_token=access_token,
                _strict_response_validation=True,
            ),
            AsyncFinch(
                base_url="http://localhost:5000/custom/path/",
                access_token=access_token,
                _strict_response_validation=True,
                http_client=httpx.AsyncClient(),
            ),
        ],
        ids=["standard", "custom http client"],
    )
    def test_base_url_no_trailing_slash(self, client: AsyncFinch) -> None:
        request = client._build_request(
            FinalRequestOptions(
                method="post",
                url="/foo",
                json_data={"foo": "bar"},
            ),
        )
        assert request.url == "http://localhost:5000/custom/path/foo"

    @pytest.mark.parametrize(
        "client",
        [
            AsyncFinch(
                base_url="http://localhost:5000/custom/path/",
                access_token=access_token,
                _strict_response_validation=True,
            ),
            AsyncFinch(
                base_url="http://localhost:5000/custom/path/",
                access_token=access_token,
                _strict_response_validation=True,
                http_client=httpx.AsyncClient(),
            ),
        ],
        ids=["standard", "custom http client"],
    )
    def test_absolute_request_url(self, client: AsyncFinch) -> None:
        request = client._build_request(
            FinalRequestOptions(
                method="post",
                url="https://myapi.com/foo",
                json_data={"foo": "bar"},
            ),
        )
        assert request.url == "https://myapi.com/foo"

    def test_transport_option_is_deprecated(self) -> None:
        with pytest.warns(
            DeprecationWarning,
            match="The `transport` argument is deprecated. The `http_client` argument should be passed instead",
        ):
            transport = httpx.MockTransport(
                lambda: None,  # type: ignore
            )

            client = AsyncFinch(
                base_url=base_url, access_token=access_token, _strict_response_validation=True, transport=transport
            )

            assert client._client._transport is transport

    async def test_transport_option_mutually_exclusive_with_http_client(self) -> None:
        async with httpx.AsyncClient() as http_client:
            with pytest.raises(ValueError, match="The `http_client` argument is mutually exclusive with `transport`"):
                with pytest.warns(DeprecationWarning):
                    AsyncFinch(
                        base_url=base_url,
                        access_token=access_token,
                        _strict_response_validation=True,
                        transport=httpx.MockTransport(
                            lambda: None,  # type: ignore
                        ),
                        http_client=http_client,
                    )

    def test_connection_pool_limits_option_is_deprecated(self) -> None:
        with pytest.warns(
            DeprecationWarning,
            match="The `connection_pool_limits` argument is deprecated. The `http_client` argument should be passed instead",
        ):
            connection_pool_limits = httpx.Limits(
                max_connections=101, max_keepalive_connections=76, keepalive_expiry=23
            )

            client = AsyncFinch(
                base_url=base_url,
                access_token=access_token,
                _strict_response_validation=True,
                connection_pool_limits=connection_pool_limits,
            )

            assert isinstance(client._client._transport, httpx.AsyncHTTPTransport)
            assert client._client._transport._pool._max_connections == 101
            assert client._client._transport._pool._max_keepalive_connections == 76
            assert client._client._transport._pool._keepalive_expiry == 23

    async def test_connection_pool_limits_option_mutually_exclusive_with_http_client(self) -> None:
        async with httpx.AsyncClient() as http_client:
            with pytest.raises(
                ValueError, match="The `http_client` argument is mutually exclusive with `connection_pool_limits`"
            ):
                with pytest.warns(DeprecationWarning):
                    AsyncFinch(
                        base_url=base_url,
                        access_token=access_token,
                        _strict_response_validation=True,
                        connection_pool_limits=httpx.Limits(
                            max_connections=101, max_keepalive_connections=76, keepalive_expiry=23
                        ),
                        http_client=http_client,
                    )

    def test_proxies_option_is_deprecated(self) -> None:
        with pytest.warns(
            DeprecationWarning,
            match="The `proxies` argument is deprecated. The `http_client` argument should be passed instead",
        ):
            proxies = "https://www.example.com/proxy"

            client = AsyncFinch(
                base_url=base_url, access_token=access_token, _strict_response_validation=True, proxies=proxies
            )

            mounts = list(client._client._mounts.keys())
            assert len(mounts) == 1

            pattern = mounts[0].pattern
            assert pattern == "all://"

    async def test_proxies_option_mutually_exclusive_with_http_client(self) -> None:
        async with httpx.AsyncClient() as http_client:
            with pytest.raises(ValueError, match="The `http_client` argument is mutually exclusive with `proxies`"):
                with pytest.warns(DeprecationWarning):
                    AsyncFinch(
                        base_url=base_url,
                        access_token=access_token,
                        _strict_response_validation=True,
                        proxies="https://www.example.com/proxy",
                        http_client=http_client,
                    )

    async def test_copied_client_does_not_close_http(self) -> None:
        client = AsyncFinch(base_url=base_url, access_token=access_token, _strict_response_validation=True)
        assert not client.is_closed()

        copied = client.copy()
        assert copied is not client

        del copied

        await asyncio.sleep(0.2)
        assert not client.is_closed()

    async def test_client_context_manager(self) -> None:
        client = AsyncFinch(base_url=base_url, access_token=access_token, _strict_response_validation=True)
        async with client as c2:
            assert c2 is client
            assert not c2.is_closed()
            assert not client.is_closed()
        assert client.is_closed()

    @pytest.mark.respx(base_url=base_url)
    @pytest.mark.asyncio
    async def test_client_response_validation_error(self, respx_mock: MockRouter) -> None:
        class Model(BaseModel):
            foo: str

        respx_mock.get("/foo").mock(return_value=httpx.Response(200, json={"foo": {"invalid": True}}))

        with pytest.raises(APIResponseValidationError) as exc:
            await self.client.get("/foo", cast_to=Model)

        assert isinstance(exc.value.__cause__, ValidationError)

    @pytest.mark.respx(base_url=base_url)
    @pytest.mark.asyncio
    async def test_received_text_for_expected_json(self, respx_mock: MockRouter) -> None:
        class Model(BaseModel):
            name: str

        respx_mock.get("/foo").mock(return_value=httpx.Response(200, text="my-custom-format"))

        strict_client = AsyncFinch(base_url=base_url, access_token=access_token, _strict_response_validation=True)

        with pytest.raises(APIResponseValidationError):
            await strict_client.get("/foo", cast_to=Model)

        client = AsyncFinch(base_url=base_url, access_token=access_token, _strict_response_validation=False)

        response = await client.get("/foo", cast_to=Model)
        assert isinstance(response, str)  # type: ignore[unreachable]

    @pytest.mark.parametrize(
        "remaining_retries,retry_after,timeout",
        [
            [3, "20", 20],
            [3, "0", 0.5],
            [3, "-10", 0.5],
            [3, "60", 60],
            [3, "61", 0.5],
            [3, "Fri, 29 Sep 2023 16:26:57 GMT", 20],
            [3, "Fri, 29 Sep 2023 16:26:37 GMT", 0.5],
            [3, "Fri, 29 Sep 2023 16:26:27 GMT", 0.5],
            [3, "Fri, 29 Sep 2023 16:27:37 GMT", 60],
            [3, "Fri, 29 Sep 2023 16:27:38 GMT", 0.5],
            [3, "99999999999999999999999999999999999", 0.5],
            [3, "Zun, 29 Sep 2023 16:26:27 GMT", 0.5],
            [3, "", 0.5],
            [2, "", 0.5 * 2.0],
            [1, "", 0.5 * 4.0],
        ],
    )
    @mock.patch("time.time", mock.MagicMock(return_value=1696004797))
    @pytest.mark.asyncio
    async def test_parse_retry_after_header(self, remaining_retries: int, retry_after: str, timeout: float) -> None:
        client = AsyncFinch(base_url=base_url, access_token=access_token, _strict_response_validation=True)

        headers = httpx.Headers({"retry-after": retry_after})
        options = FinalRequestOptions(method="get", url="/foo", max_retries=3)
        calculated = client._calculate_retry_timeout(remaining_retries, options, headers)
        assert calculated == pytest.approx(timeout, 0.5 * 0.875)  # pyright: ignore[reportUnknownMemberType]

    @pytest.mark.respx(base_url=base_url)
    @pytest.mark.asyncio
    async def test_status_error_within_httpx(self, respx_mock: MockRouter) -> None:
        respx_mock.post("/foo").mock(return_value=httpx.Response(200, json={"foo": "bar"}))

        def on_response(response: httpx.Response) -> None:
            raise httpx.HTTPStatusError(
                "Simulating an error inside httpx",
                response=response,
                request=response.request,
            )

        client = AsyncFinch(
            base_url=base_url,
            access_token=access_token,
            _strict_response_validation=True,
            http_client=httpx.AsyncClient(
                event_hooks={
                    "response": [on_response],
                }
            ),
            max_retries=0,
        )
        with pytest.raises(APIStatusError):
            await client.post("/foo", cast_to=httpx.Response)