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authorLei Zhang <thestig@chromium.org>2015-10-09 13:49:17 -0700
committerLei Zhang <thestig@chromium.org>2015-10-09 13:49:17 -0700
commit6f3c2ffd369af00e1a4f0ac5413b816f464cba78 (patch)
tree23e91ac9d6ef93f9dc02d7da47057e23a80a6932 /testing/tools/run_corpus_tests.py
parent79c38e39d5094b03bfddd80dd39a666a96bbcdcc (diff)
downloadpdfium-6f3c2ffd369af00e1a4f0ac5413b816f464cba78.tar.xz
Merge to XFA: Parallelize run_corpus_tests.py.
- Use the number of cores as the default -j value - Fall back to old code for -j 1 TBR=nparker@chromium.org Review URL: https://codereview.chromium.org/1398793003 . (cherry picked from commit fd751f28cecce61ab36038799043639d570e0b26) Review URL: https://codereview.chromium.org/1395253002 .
Diffstat (limited to 'testing/tools/run_corpus_tests.py')
-rwxr-xr-xtesting/tools/run_corpus_tests.py84
1 files changed, 64 insertions, 20 deletions
diff --git a/testing/tools/run_corpus_tests.py b/testing/tools/run_corpus_tests.py
index 0dadd52d19..3441da3a17 100755
--- a/testing/tools/run_corpus_tests.py
+++ b/testing/tools/run_corpus_tests.py
@@ -3,6 +3,9 @@
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
+import cStringIO
+import functools
+import multiprocessing
import optparse
import os
import re
@@ -21,7 +24,7 @@ import suppressor
# c_dir - "path/to/a/b/c"
def test_one_file(input_filename, source_dir, working_dir,
- pdfium_test_path, image_differ):
+ pdfium_test_path, image_differ, redirect_output=False):
input_path = os.path.join(source_dir, input_filename)
pdf_path = os.path.join(working_dir, input_filename)
@@ -32,22 +35,50 @@ def test_one_file(input_filename, source_dir, working_dir,
if os.path.exists(image):
os.remove(image)
- try:
- shutil.copyfile(input_path, pdf_path)
- sys.stdout.flush()
- subprocess.check_call([pdfium_test_path, '--png', pdf_path])
- except subprocess.CalledProcessError as e:
- print "FAILURE: " + input_filename + "; " + str(e)
+ shutil.copyfile(input_path, pdf_path)
+ sys.stdout.flush()
+ error = common.RunCommand([pdfium_test_path, '--png', pdf_path],
+ redirect_output)
+ if error:
+ print "FAILURE: " + input_filename + "; " + str(error)
return False
- if image_differ.HasDifferences(input_filename, source_dir, working_dir):
- return False
- return True
+ return not image_differ.HasDifferences(input_filename, source_dir,
+ working_dir, redirect_output)
+
+
+def test_one_file_parallel(working_dir, pdfium_test_path, image_differ,
+ test_case):
+ """Wrapper function to call test_one_file() and redirect output to stdout."""
+ old_stdout = sys.stdout
+ old_stderr = sys.stderr
+ sys.stdout = cStringIO.StringIO()
+ sys.stderr = sys.stdout
+ input_filename, source_dir = test_case
+ result = test_one_file(input_filename, source_dir, working_dir,
+ pdfium_test_path, image_differ, True);
+ output = sys.stdout
+ sys.stdout = old_stdout
+ sys.stderr = old_stderr
+ return (result, output.getvalue(), input_filename, source_dir)
+
+
+def handle_result(test_suppressor, input_filename, input_path, result,
+ surprises, failures):
+ if test_suppressor.IsSuppressed(input_filename):
+ if result:
+ surprises.append(input_path)
+ else:
+ if not result:
+ failures.append(input_path)
def main():
parser = optparse.OptionParser()
parser.add_option('--build-dir', default=os.path.join('out', 'Debug'),
help='relative path from the base source directory')
+ parser.add_option('-j', default=multiprocessing.cpu_count(),
+ dest='num_workers', type='int',
+ help='run NUM_WORKERS jobs in parallel')
options, args = parser.parse_args()
finder = common.DirectoryFinder(options.build_dir)
pdfium_test_path = finder.ExecutablePath('pdfium_test')
@@ -67,19 +98,32 @@ def main():
surprises = []
walk_from_dir = finder.TestingDir('corpus');
input_file_re = re.compile('^[a-zA-Z0-9_.]+[.]pdf$')
+ test_cases = []
for source_dir, _, filename_list in os.walk(walk_from_dir):
for input_filename in filename_list:
if input_file_re.match(input_filename):
- input_path = os.path.join(source_dir, input_filename)
- if os.path.isfile(input_path):
- result = test_one_file(input_filename, source_dir, working_dir,
- pdfium_test_path, image_differ)
- if test_suppressor.IsSuppressed(input_filename):
- if result:
- surprises.append(input_path)
- else:
- if not result:
- failures.append(input_path)
+ input_path = os.path.join(source_dir, input_filename)
+ if os.path.isfile(input_path):
+ test_cases.append((input_filename, source_dir))
+
+ if options.num_workers > 1:
+ pool = multiprocessing.Pool(options.num_workers)
+ worker_func = functools.partial(test_one_file_parallel, working_dir,
+ pdfium_test_path, image_differ)
+ worker_results = pool.imap(worker_func, test_cases)
+ for worker_result in worker_results:
+ result, output, input_filename, source_dir = worker_result
+ input_path = os.path.join(source_dir, input_filename)
+ sys.stdout.write(output)
+ handle_result(test_suppressor, input_filename, input_path, result,
+ surprises, failures)
+ else:
+ for test_case in test_cases:
+ input_filename, source_dir = test_case
+ result = test_one_file(input_filename, source_dir, working_dir,
+ pdfium_test_path, image_differ)
+ handle_result(test_suppressor, input_filename, input_path, result,
+ surprises, failures)
if surprises:
surprises.sort()