Bump cheroot from 9.0.0 to 10.0.0 (#2128)

* Bump cheroot from 9.0.0 to 10.0.0

Bumps [cheroot](https://github.com/cherrypy/cheroot) from 9.0.0 to 10.0.0.
- [Release notes](https://github.com/cherrypy/cheroot/releases)
- [Changelog](https://github.com/cherrypy/cheroot/blob/main/CHANGES.rst)
- [Commits](https://github.com/cherrypy/cheroot/compare/v9.0.0...v10.0.0)

---
updated-dependencies:
- dependency-name: cheroot
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

* Update cheroot==10.0.0

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: JonnyWong16 <9099342+JonnyWong16@users.noreply.github.com>

[skip ci]

lib/cheroot/test/test_server.py

@@ -5,6 +5,7 @@ import queue
 import socket
 import tempfile
 import threading
+import types
 import uuid
 import urllib.parse  # noqa: WPS301
 
@@ -17,6 +18,7 @@ from pypytools.gc.custom import DefaultGc
 from .._compat import bton, ntob
 from .._compat import IS_LINUX, IS_MACOS, IS_WINDOWS, SYS_PLATFORM
 from ..server import IS_UID_GID_RESOLVABLE, Gateway, HTTPServer
+from ..workers.threadpool import ThreadPool
 from ..testing import (
     ANY_INTERFACE_IPV4,
     ANY_INTERFACE_IPV6,
@@ -254,6 +256,7 @@ def peercreds_enabled_server(http_server, unix_sock_file):
 
 @unix_only_sock_test
 @non_macos_sock_test
+@pytest.mark.flaky(reruns=3, reruns_delay=2)
 def test_peercreds_unix_sock(http_request_timeout, peercreds_enabled_server):
     """Check that ``PEERCRED`` lookup works when enabled."""
     httpserver = peercreds_enabled_server
@@ -370,6 +373,33 @@ def test_high_number_of_file_descriptors(native_server_client, resource_limit):
     assert any(fn >= resource_limit for fn in native_process_conn.filenos)
 
 
+@pytest.mark.skipif(
+    not hasattr(socket, 'SO_REUSEPORT'),
+    reason='socket.SO_REUSEPORT is not supported on this platform',
+)
+@pytest.mark.parametrize(
+    'ip_addr',
+    (
+        ANY_INTERFACE_IPV4,
+        ANY_INTERFACE_IPV6,
+    ),
+)
+def test_reuse_port(http_server, ip_addr, mocker):
+    """Check that port initialized externally can be reused."""
+    family = socket.getaddrinfo(ip_addr, EPHEMERAL_PORT)[0][0]
+    s = socket.socket(family)
+    s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEPORT, 1)
+    s.bind((ip_addr, EPHEMERAL_PORT))
+    server = HTTPServer(
+        bind_addr=s.getsockname()[:2], gateway=Gateway, reuse_port=True,
+    )
+    spy = mocker.spy(server, 'prepare')
+    server.prepare()
+    server.stop()
+    s.close()
+    assert spy.spy_exception is None
+
+
 ISSUE511 = IS_MACOS
 
 
@@ -439,3 +469,90 @@ def many_open_sockets(request, resource_limit):
         # Close our open resources
         for test_socket in test_sockets:
             test_socket.close()
+
+
+@pytest.mark.parametrize(
+    ('minthreads', 'maxthreads', 'inited_maxthreads'),
+    (
+        (
+            # NOTE: The docstring only mentions -1 to mean "no max", but other
+            # NOTE: negative numbers should also work.
+            1,
+            -2,
+            float('inf'),
+        ),
+        (1, -1, float('inf')),
+        (1, 1, 1),
+        (1, 2, 2),
+        (1, float('inf'), float('inf')),
+        (2, -2, float('inf')),
+        (2, -1, float('inf')),
+        (2, 2, 2),
+        (2, float('inf'), float('inf')),
+    ),
+)
+def test_threadpool_threadrange_set(minthreads, maxthreads, inited_maxthreads):
+    """Test setting the number of threads in a ThreadPool.
+
+    The ThreadPool should properly set the min+max number of the threads to use
+    in the pool if those limits are valid.
+    """
+    tp = ThreadPool(
+        server=None,
+        min=minthreads,
+        max=maxthreads,
+    )
+    assert tp.min == minthreads
+    assert tp.max == inited_maxthreads
+
+
+@pytest.mark.parametrize(
+    ('minthreads', 'maxthreads', 'error'),
+    (
+        (-1, -1, 'min=-1 must be > 0'),
+        (-1, 0, 'min=-1 must be > 0'),
+        (-1, 1, 'min=-1 must be > 0'),
+        (-1, 2, 'min=-1 must be > 0'),
+        (0, -1, 'min=0 must be > 0'),
+        (0, 0, 'min=0 must be > 0'),
+        (0, 1, 'min=0 must be > 0'),
+        (0, 2, 'min=0 must be > 0'),
+        (1, 0, 'Expected an integer or the infinity value for the `max` argument but got 0.'),
+        (1, 0.5, 'Expected an integer or the infinity value for the `max` argument but got 0.5.'),
+        (2, 0, 'Expected an integer or the infinity value for the `max` argument but got 0.'),
+        (2, '1', "Expected an integer or the infinity value for the `max` argument but got '1'."),
+        (2, 1, 'max=1 must be > min=2'),
+    ),
+)
+def test_threadpool_invalid_threadrange(minthreads, maxthreads, error):
+    """Test that a ThreadPool rejects invalid min/max values.
+
+    The ThreadPool should raise an error with the proper message when
+    initialized with an invalid min+max number of threads.
+    """
+    with pytest.raises((ValueError, TypeError), match=error):
+        ThreadPool(
+            server=None,
+            min=minthreads,
+            max=maxthreads,
+        )
+
+
+def test_threadpool_multistart_validation(monkeypatch):
+    """Test for ThreadPool multi-start behavior.
+
+    Tests that when calling start() on a ThreadPool multiple times raises a
+    :exc:`RuntimeError`
+    """
+    # replace _spawn_worker with a function that returns a placeholder to avoid
+    # actually starting any threads
+    monkeypatch.setattr(
+        ThreadPool,
+        '_spawn_worker',
+        lambda _: types.SimpleNamespace(ready=True),
+    )
+
+    tp = ThreadPool(server=None)
+    tp.start()
+    with pytest.raises(RuntimeError, match='Threadpools can only be started once.'):
+        tp.start()