Function test_retries

test/contrib/emscripten/test_emscripten.py:905–937

(
    selenium_coverage: typing.Any, testserver_http: PyodideServerInfo
)

def test_retries(
    selenium_coverage: typing.Any, testserver_http: PyodideServerInfo
) -> None:
    @run_in_pyodide  # type: ignore[untyped-decorator]
    def pyodide_test(selenium_coverage, host: str, port: int) -> None:  # type: ignore[no-untyped-def]
        import pytest

        import urllib3

        pool = urllib3.HTTPConnectionPool(
            host,
            port,
            maxsize=1,
            block=True,
            retries=urllib3.util.Retry(connect=5, read=5, redirect=5),
        )

        # monkeypatch connection class to count calls
        old_request = urllib3.connection.HTTPConnection.request
        count = 0

        def count_calls(self, *args, **argv):  # type: ignore[no-untyped-def]
            nonlocal count
            count += 1
            return old_request(self, *args, **argv)

        urllib3.connection.HTTPConnection.request = count_calls  # type: ignore[method-assign]
        with pytest.raises(urllib3.exceptions.MaxRetryError):
            pool.urlopen("GET", "/")
        # this should fail, but should have tried 6 times total
        assert count == 6

    pyodide_test(selenium_coverage, testserver_http.http_host, find_unused_port())


def test_redirects(