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tools: optimize wildcard execution in tools/test.py

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Previously for each matching test, it would execute multiple
`node -p` commands to decide the configurations of the executable.
That means if there are 100 tests matched, it will run the Node.js
executable 4*100 times to retrieve the same configurations repeatedly.
This changes the loop order so that it only execute these commands
once and reuse the results for all matching tests.

PR-URL: https://github.com/nodejs/node/pull/60266
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Chengzhong Wu <legendecas@gmail.com>
This commit is contained in:
Joyee Cheung 2025-10-18 10:07:38 +02:00 committed by GitHub
parent 4d1dece375
commit d695004e7a
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1 changed files with 22 additions and 21 deletions
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43
tools/test.py
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@ -1712,27 +1712,28 @@ def Main():
all_unused = [ ]
unclassified_tests = [ ]
globally_unused_rules = None
for path in paths:
for arch in options.arch:
for mode in options.mode:
vm = context.GetVm(arch, mode)
if not exists(vm):
print("Can't find shell executable: '%s'" % vm)
continue
archEngineContext = Execute([vm, "-p", "process.arch"], context)
vmArch = archEngineContext.stdout.rstrip()
if archEngineContext.exit_code != 0 or vmArch == "undefined":
print("Can't determine the arch of: '%s'" % vm)
print(archEngineContext.stderr.rstrip())
continue
env = {
'mode': mode,
'system': utils.GuessOS(),
'arch': vmArch,
'type': get_env_type(vm, options.type, context),
'asan': get_asan_state(vm, context),
'pointer_compression': get_pointer_compression_state(vm, context),
}
for arch in options.arch:
for mode in options.mode:
vm = context.GetVm(arch, mode)
if not exists(vm):
print("Can't find shell executable: '%s'" % vm)
continue
archEngineContext = Execute([vm, "-p", "process.arch"], context)
vmArch = archEngineContext.stdout.rstrip()
if archEngineContext.exit_code != 0 or vmArch == "undefined":
print("Can't determine the arch of: '%s'" % vm)
print(archEngineContext.stderr.rstrip())
continue
env = {
'mode': mode,
'system': utils.GuessOS(),
'arch': vmArch,
'type': get_env_type(vm, options.type, context),
'asan': get_asan_state(vm, context),
'pointer_compression': get_pointer_compression_state(vm, context),
}
for path in paths:
test_list = root.ListTests([], path, context, arch, mode)
unclassified_tests += test_list
cases, unused_rules = config.ClassifyTests(test_list, env)