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2bf7e1b1fb
Child calls _redirect_output after env setup: each configured log path is opened append-mode and dup2'd onto fd 1/2. None/inherit keeps the inherited fd; stderr stdout shares stdout's fd. Rotation stays external. Add tests for inherit, append flags, file dup2, and stderr-to-stdout. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
108 lines
3.4 KiB
Python
108 lines
3.4 KiB
Python
#
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# This file is part of gunicorn released under the MIT license.
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# See the NOTICE for more information.
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import os
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from unittest import mock
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import pytest
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from gunicorn.companion.manager import CompanionManager
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from gunicorn.companion.process import CompanionConfig, State
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def make_manager(*names):
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configs = [CompanionConfig(name=n, target=lambda: None) for n in names]
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return CompanionManager(configs, log=mock.Mock())
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def test_manager_builds_one_process_per_config():
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mgr = make_manager("rq", "scheduler")
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assert set(mgr.processes) == {"rq", "scheduler"}
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assert mgr.processes["rq"].state == State.STOPPED
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def test_resolve_target_accepts_callable():
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fn = lambda: None
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assert CompanionManager._resolve_target(fn) is fn
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def test_resolve_target_import_string():
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# os.getpid is a real "module:attr" target.
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assert CompanionManager._resolve_target("os:getpid") is __import__("os").getpid
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def test_resolve_target_rejects_bad_string():
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with pytest.raises(ValueError):
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CompanionManager._resolve_target("no_colon")
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def test_apply_environment_sets_cwd_and_env():
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config = CompanionConfig(name="rq", target=lambda: None,
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cwd="/tmp", env={"COMPANION_X": "1"})
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with mock.patch("os.chdir") as chdir, \
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mock.patch.dict("os.environ", {}, clear=False):
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CompanionManager._apply_environment(config)
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chdir.assert_called_once_with("/tmp")
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import os
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assert os.environ["COMPANION_X"] == "1"
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def test_apply_environment_noop_without_cwd_env():
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config = CompanionConfig(name="rq", target=lambda: None)
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with mock.patch("os.chdir") as chdir:
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CompanionManager._apply_environment(config)
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chdir.assert_not_called()
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def test_open_output_inherit_returns_none():
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assert CompanionManager._open_output(None) is None
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assert CompanionManager._open_output("inherit") is None
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def test_open_output_path_opens_append():
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with mock.patch("os.open", return_value=9) as op:
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fd = CompanionManager._open_output("/var/log/rq.log")
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assert fd == 9
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flags = op.call_args.args[1]
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assert flags & os.O_APPEND and flags & os.O_CREAT
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def test_redirect_output_files():
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config = CompanionConfig(name="rq", target=lambda: None,
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stdout="/o.log", stderr="/e.log")
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with mock.patch("os.open", side_effect=[10, 11]), \
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mock.patch("os.dup2") as dup2:
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CompanionManager._redirect_output(config)
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dup2.assert_any_call(10, 1)
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dup2.assert_any_call(11, 2)
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def test_redirect_output_stderr_to_stdout():
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config = CompanionConfig(name="rq", target=lambda: None,
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stdout="/o.log", stderr="stdout")
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with mock.patch("os.open", return_value=10), \
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mock.patch("os.dup2") as dup2:
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CompanionManager._redirect_output(config)
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dup2.assert_any_call(10, 1)
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dup2.assert_any_call(1, 2)
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def test_redirect_output_inherit_noop():
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config = CompanionConfig(name="rq", target=lambda: None)
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with mock.patch("os.dup2") as dup2:
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CompanionManager._redirect_output(config)
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dup2.assert_not_called()
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def test_spawn_parent_records_pid_and_starting():
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mgr = make_manager("rq")
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proc = mgr.processes["rq"]
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with mock.patch("os.fork", return_value=4321):
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pid = mgr.spawn_process(proc)
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assert pid == 4321
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assert proc.pid == 4321
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assert proc.state == State.STARTING
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assert proc.started_at is not None
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assert proc.manual_stop is False
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