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test: add --repeat option to tools/test.py
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Manual backport from master to 4.x stream, original
commit message follows.

I often want to run a test many times to see if a failure
can be recreated and I believe this is a common
use case.  We even have this job in the CI
https://ci.nodejs.org/job/node-stress-single-test/configure
but often you want to run it on a specific machine.

This patch adds the --repeat option so that
you can repeat the selected set of tests a
number of times. Given existing options
in test.py this will allow you to run
one or more tests for the number of
repeats specified. For example:

tools/test.py -j8 --repeat 1000 parallel/test-process-exec-argv

runs the test-process-exec-argv test 1000 times,
running 8 copies in parallel

tools/test.py --repeat 2

would run the entire test suite twice.

PR-URL: #6700
Reviewed-By: Ben Noorhduis <info@bnoordhuis.nl>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Fedor Indutny <fedor@indutny.com>
Reviewed-By: thefourtheye - Sakthipriyan Vairamani <thechargingvolcano@gmail.com>
Reviewed-By: joaocgreis - João Reis <reis@janeasystems.com>
Reviewed-By: Johan Bergström <bugs@bergstroem.nu>
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mhdawson authored and Myles Borins committed Aug 16, 2016
1 parent cd55b79 commit 9308205
Showing 1 changed file with 9 additions and 4 deletions.
13 changes: 9 additions & 4 deletions tools/test.py
Original file line number Diff line number Diff line change
Expand Up @@ -774,8 +774,7 @@ def AddTestsToList(self, result, current_path, path, context, arch, mode):
tests = self.GetConfiguration(context).ListTests(current_path, path,
arch, mode)
for t in tests: t.variant_flags = v
result += tests

result += tests * context.repeat

def GetTestStatus(self, context, sections, defs):
self.GetConfiguration(context).GetTestStatus(sections, defs)
Expand Down Expand Up @@ -828,7 +827,8 @@ def GetTestStatus(self, context, sections, defs):
class Context(object):

def __init__(self, workspace, buildspace, verbose, vm, expect_fail,
timeout, processor, suppress_dialogs, store_unexpected_output):
timeout, processor, suppress_dialogs,
store_unexpected_output, repeat):
self.workspace = workspace
self.buildspace = buildspace
self.verbose = verbose
Expand All @@ -838,6 +838,7 @@ def __init__(self, workspace, buildspace, verbose, vm, expect_fail,
self.processor = processor
self.suppress_dialogs = suppress_dialogs
self.store_unexpected_output = store_unexpected_output
self.repeat = repeat

def GetVm(self, arch, mode):
if arch == 'none':
Expand Down Expand Up @@ -1369,6 +1370,9 @@ def BuildOptions():
default="")
result.add_option('--temp-dir',
help='Optional path to change directory used for tests', default=False)
result.add_option('--repeat',
help='Number of times to repeat given tests',
default=1, type="int")
return result


Expand Down Expand Up @@ -1533,7 +1537,8 @@ def Main():
options.timeout,
processor,
options.suppress_dialogs,
options.store_unexpected_output)
options.store_unexpected_output,
options.repeat)
# First build the required targets
if not options.no_build:
reqs = [ ]
Expand Down

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