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7520d66fa5
This patch adds some sleep and increases numcpus to exercise the "killworkers" situation. So race conditions could be discovered more easily, if someone changes worker.py incorrectly. Currently worker.py should be free of such issues.
129 lines
3.0 KiB
Perl
129 lines
3.0 KiB
Perl
Test UI worker interaction
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$ cat > t.py <<EOF
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> from __future__ import absolute_import, print_function
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> import time
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> from mercurial import (
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> cmdutil,
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> error,
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> ui as uimod,
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> worker,
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> )
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> def abort(ui, args):
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> if args[0] == 0:
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> # by first worker for test stability
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> raise error.Abort('known exception')
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> return runme(ui, [])
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> def exc(ui, args):
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> if args[0] == 0:
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> # by first worker for test stability
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> raise Exception('unknown exception')
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> return runme(ui, [])
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> def runme(ui, args):
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> for arg in args:
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> ui.status('run\n')
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> yield 1, arg
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> time.sleep(0.1) # easier to trigger killworkers code path
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> functable = {
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> 'abort': abort,
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> 'exc': exc,
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> 'runme': runme,
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> }
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> cmdtable = {}
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> command = cmdutil.command(cmdtable)
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> @command('test', [], 'hg test [COST] [FUNC]')
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> def t(ui, repo, cost=1.0, func='runme'):
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> cost = float(cost)
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> func = functable[func]
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> ui.status('start\n')
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> runs = worker.worker(ui, cost, func, (ui,), range(8))
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> for n, i in runs:
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> pass
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> ui.status('done\n')
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> EOF
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$ abspath=`pwd`/t.py
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$ hg init
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Run tests with worker enable by forcing a heigh cost
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$ hg --config "extensions.t=$abspath" test 100000.0
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start
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run
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run
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run
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run
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run
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run
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run
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run
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done
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Run tests without worker by forcing a low cost
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$ hg --config "extensions.t=$abspath" test 0.0000001
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start
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run
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run
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run
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run
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run
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run
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run
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run
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done
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#if no-windows
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Known exception should be caught, but printed if --traceback is enabled
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$ hg --config "extensions.t=$abspath" --config 'worker.numcpus=8' \
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> test 100000.0 abort 2>&1
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start
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abort: known exception
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[255]
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$ hg --config "extensions.t=$abspath" --config 'worker.numcpus=8' \
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> test 100000.0 abort --traceback 2>&1 | egrep '^(SystemExit|Abort)'
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Abort: known exception
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SystemExit: 255
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Traceback must be printed for unknown exceptions
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$ hg --config "extensions.t=$abspath" --config 'worker.numcpus=8' \
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> test 100000.0 exc 2>&1 | grep '^Exception'
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Exception: unknown exception
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Workers should not do cleanups in all cases
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$ cat > $TESTTMP/detectcleanup.py <<EOF
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> from __future__ import absolute_import
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> import atexit
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> import os
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> import time
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> oldfork = os.fork
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> count = 0
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> parentpid = os.getpid()
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> def delayedfork():
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> global count
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> count += 1
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> pid = oldfork()
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> # make it easier to test SIGTERM hitting other workers when they have
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> # not set up error handling yet.
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> if count > 1 and pid == 0:
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> time.sleep(0.1)
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> return pid
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> os.fork = delayedfork
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> def cleanup():
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> if os.getpid() != parentpid:
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> os.write(1, 'should never happen\n')
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> atexit.register(cleanup)
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> EOF
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$ hg --config "extensions.t=$abspath" --config worker.numcpus=8 --config \
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> "extensions.d=$TESTTMP/detectcleanup.py" test 100000 abort
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start
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abort: known exception
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[255]
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#endif
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