From da06966129f0a8ab918d2e28a3aae00bee237308 Mon Sep 17 00:00:00 2001
From: Tom Sepez <tsepez@chromium.org>
Date: Mon, 23 Mar 2015 11:31:24 -0700
Subject: Flush stdout before launching sub-processes.

This should make the test logs more readable.

Also give failure summary at end of tests, since searching
through the log is tedious.

R=thestig@chromium.org

Review URL: https://codereview.chromium.org/1026903002
---
 testing/tools/run_corpus_tests.py     | 14 +++++++++++---
 testing/tools/run_javascript_tests.py | 12 +++++++++---
 testing/tools/run_pixel_tests.py      | 14 ++++++++++----
 3 files changed, 30 insertions(+), 10 deletions(-)

diff --git a/testing/tools/run_corpus_tests.py b/testing/tools/run_corpus_tests.py
index 2f6de07212..3cfc3e7dbb 100755
--- a/testing/tools/run_corpus_tests.py
+++ b/testing/tools/run_corpus_tests.py
@@ -24,6 +24,7 @@ def test_one_file(input_filename, source_dir, working_dir,
   expected_path_template = os.path.join(source_dir,
                                         input_root + '_expected.pdf.%d.png')
   try:
+    sys.stdout.flush()
     subprocess.check_call(['cp', input_path, pdf_path])
     subprocess.check_call([pdfium_test_path, '--png', pdf_path])
     i = 0;
@@ -35,6 +36,7 @@ def test_one_file(input_filename, source_dir, working_dir,
           print "WARNING: no expected results files found for " + input_filename
         break
       print "Checking " + actual_path
+      sys.stdout.flush()
       subprocess.check_call([pdfium_diff_path, expected_path, actual_path])
       i += 1
   except subprocess.CalledProcessError as e:
@@ -85,7 +87,7 @@ def main():
     os.makedirs(working_dir)
 
   # test files are under .../pdfium/testing/corpus.
-  os_exit_code = 0
+  failures = []
   walk_from_dir = os.path.join(testing_dir, 'corpus');
   input_file_re = re.compile('^[a-zA-Z0-9_.]+[.]pdf$')
   for source_dir, _, filename_list in os.walk(walk_from_dir):
@@ -95,9 +97,15 @@ def main():
          if os.path.isfile(input_path):
            if not test_one_file(input_filename, source_dir, working_dir,
                                 pdfium_test_path, pdfium_diff_path):
-             os_exit_code = 1
+             failures.append(input_path)
 
-  return os_exit_code
+  if failures:
+    print '\n\nSummary of Failures:'
+    for failure in failures:
+      print failure
+    return 1
+
+  return 0
 
 
 if __name__ == '__main__':
diff --git a/testing/tools/run_javascript_tests.py b/testing/tools/run_javascript_tests.py
index ddc82665d5..fd9cf5f870 100755
--- a/testing/tools/run_javascript_tests.py
+++ b/testing/tools/run_javascript_tests.py
@@ -23,6 +23,7 @@ def generate_and_test(input_filename, source_dir, working_dir,
   txt_path = os.path.join(working_dir, input_root + '.txt')
   expected_path = os.path.join(source_dir, input_root + '_expected.txt')
   try:
+    sys.stdout.flush()
     subprocess.check_call(
         [fixup_path, '--output-dir=' + working_dir, input_path])
     with open(txt_path, 'w') as outfile:
@@ -80,7 +81,7 @@ def main():
   if not os.path.exists(working_dir):
     os.makedirs(working_dir)
 
-  os_exit_code = 0
+  failures = []
   input_file_re = re.compile('^[a-zA-Z0-9_.]+[.]in$')
   for input_filename in os.listdir(source_dir):
     if input_file_re.match(input_filename):
@@ -88,9 +89,14 @@ def main():
       if os.path.isfile(input_path):
         if not generate_and_test(input_filename, source_dir, working_dir,
                                  fixup_path, pdfium_test_path):
-          os_exit_code = 1
+          failures.append(input_path)
 
-  return os_exit_code
+  if failures:
+    print '\n\nSummary of Failures:'
+    for failure in failures:
+      print failure
+    return 1
+  return 0
 
 
 if __name__ == '__main__':
diff --git a/testing/tools/run_pixel_tests.py b/testing/tools/run_pixel_tests.py
index 9bd321b560..ef2c31ef47 100755
--- a/testing/tools/run_pixel_tests.py
+++ b/testing/tools/run_pixel_tests.py
@@ -24,6 +24,7 @@ def generate_and_test(input_filename, source_dir, working_dir,
   expected_path_template = os.path.join(source_dir,
                                         input_root + '_expected.pdf.%d.png')
   try:
+    sys.stdout.flush()
     subprocess.check_call(
         [fixup_path, '--output-dir=' + working_dir, input_path])
     subprocess.check_call([pdfium_test_path, '--png', pdf_path])
@@ -36,6 +37,7 @@ def generate_and_test(input_filename, source_dir, working_dir,
           print "WARNING: no expected results files found for " + input_filename
         break
       print "Checking " + actual_path
+      sys.stdout.flush()
       subprocess.check_call([pdfium_diff_path, expected_path, actual_path])
       i += 1
   except subprocess.CalledProcessError as e:
@@ -92,7 +94,7 @@ def main():
   if not os.path.exists(working_dir):
     os.makedirs(working_dir)
 
-  os_exit_code = 0
+  failures = []
   input_file_re = re.compile('^[a-zA-Z0-9_.]+[.]in$')
   for input_filename in os.listdir(source_dir):
     if input_file_re.match(input_filename):
@@ -100,10 +102,14 @@ def main():
       if os.path.isfile(input_path):
         if not generate_and_test(input_filename, source_dir, working_dir,
                                  fixup_path, pdfium_test_path, pdfium_diff_path):
-          os_exit_code = 1
-
-  return os_exit_code
+          failures.append(input_path)
 
+  if failures:
+    print '\n\nSummary of Failures:'
+    for failure in failures:
+      print failure
+    return 1
+  return 0
 
 if __name__ == '__main__':
   sys.exit(main())
-- 
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