6bd756d7c6
PR-URL: https://github.com/nodejs/node/pull/44741 Fixes: https://github.com/nodejs/node/issues/44650 Fixes: https://github.com/nodejs/node/issues/37472 Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl> Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com>
78 lines
2.2 KiB
Python
78 lines
2.2 KiB
Python
# Copyright 2018 the V8 project authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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import collections
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from . import base
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JobResult = collections.namedtuple('JobResult', ['id', 'result'])
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class Job(object):
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def __init__(self, test_id, cmd, outproc, keep_output):
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self.test_id = test_id
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self.cmd = cmd
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self.outproc = outproc
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self.keep_output = keep_output
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def run(self, process_ctx):
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output = self.cmd.execute()
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reduction = process_ctx.result_reduction if not self.keep_output else None
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result = self.outproc.process(output, reduction)
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return JobResult(self.test_id, result)
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class ExecutionProc(base.TestProc):
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"""Last processor in the chain. Instead of passing tests further it creates
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commands and output processors, executes them in multiple worker processes and
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sends results to the previous processor.
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"""
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def __init__(self, ctx, jobs, outproc_factory=None):
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super(ExecutionProc, self).__init__()
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self.ctx = ctx
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self.ctx.pool.init(jobs, notify_function=self.notify_previous)
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self._outproc_factory = outproc_factory or (lambda t: t.output_proc)
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self._tests = {}
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def connect_to(self, next_proc):
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assert False, \
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'ExecutionProc cannot be connected to anything' # pragma: no cover
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def run(self, requirement=None):
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for pool_result in self.ctx.pool.results(requirement):
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self._unpack_result(pool_result)
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def next_test(self, test):
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if self.is_stopped:
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return False
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test_id = test.procid
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cmd = test.get_command(self.ctx)
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self._tests[test_id] = test, cmd
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outproc = self._outproc_factory(test)
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self.ctx.pool.add_jobs([Job(test_id, cmd, outproc, test.keep_output)])
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return True
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def result_for(self, test, result):
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assert False, \
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'ExecutionProc cannot receive results' # pragma: no cover
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def stop(self):
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super(ExecutionProc, self).stop()
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self.ctx.pool.abort()
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def _unpack_result(self, pool_result):
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if pool_result.heartbeat:
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self.heartbeat()
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return
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job_result = pool_result.value
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test_id, result = job_result
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test, result.cmd = self._tests[test_id]
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del self._tests[test_id]
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self._send_result(test, result)
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