Run pixel tests via automated script.

testing/tools/run_pixel_tests.py

Index: testing/tools/run_pixel_tests.py
diff --git a/testing/tools/run_javascript_tests.py b/testing/tools/run_pixel_tests.py
similarity index 77%
copy from testing/tools/run_javascript_tests.py
copy to testing/tools/run_pixel_tests.py
index 237321e34346146a56d78db82f793360e7638ceb..eac4b9f168ae0a46d4c99ffe2f380f193662ec1d 100755
--- a/testing/tools/run_javascript_tests.py
+++ b/testing/tools/run_pixel_tests.py
@@ -20,14 +20,21 @@ def generate_and_test(input_filename, source_dir, working_dir,
   input_root, _ = os.path.splitext(input_filename)
   input_path = os.path.join(source_dir, input_root + '.in')
   pdf_path = os.path.join(working_dir, input_root + '.pdf')
-  txt_path = os.path.join(working_dir, input_root + '.txt')
-  expected_path = os.path.join(source_dir, input_root + '_expected.txt')
+  actual_path_template = os.path.join(working_dir, input_root + '.pdf.%s.ppm')

[Lei Zhang, 2015/02/14 00:39:43]

Shouldn't that be %d ? I think it works with %s because there's some implicit
int -> string conversion.

[Tom Sepez, 2015/02/14 00:44:50]

Done.

+  expected_path_template = os.path.join(source_dir,
+                                        input_root + '_expected.pdf.%s.ppm')
   try:
     subprocess.check_call(
         [fixup_path, '--output-dir=' + working_dir, input_path])
-    with open(txt_path, 'w') as outfile:
-      subprocess.check_call([pdfium_test_path, pdf_path], stdout=outfile)
-    subprocess.check_call(['diff', expected_path, txt_path])
+    subprocess.check_call([pdfium_test_path, '--ppm', pdf_path])
+    i = 0;
+    while True:
+      expected_path = expected_path_template % i;
+      actual_path = actual_path_template % i;
+      if not os.path.exists(expected_path):
+        break
+      subprocess.check_call(['diff', expected_path, actual_path])
+      i += 1
   except subprocess.CalledProcessError as e:
     print "FAILURE: " + input_filename + "; " + str(e)
 
@@ -41,15 +48,16 @@ def main():
   my_dir = os.path.dirname(os.path.realpath(__file__))
   testing_dir = os.path.dirname(my_dir)
   pdfium_dir = os.path.dirname(testing_dir)
-  if os.path.basename(pdfium_dir) != 'pdfium':
-    print 'Confused, can not find pdfium directory, aborting.'
+  if (os.path.basename(my_dir) != 'tools' or
+      os.path.basename(testing_dir) != 'testing'):
+    print 'Confused, can not find pdfium root directory, aborting.'
     return 1
 
   # Other scripts are found in the same directory as this one.
   fixup_path = os.path.join(my_dir, 'fixup_pdf_template.py')
 
-  # test files are in .../pdfium/testing/resources/javascript.
-  source_dir = os.path.join(testing_dir, 'resources', 'javascript')
+  # test files are in .../pdfium/testing/resources/pixel.
+  source_dir = os.path.join(testing_dir, 'resources', 'pixel')
 
   # Find path to build directory.  This depends on whether this is a
   # standalone build vs. a build as part of a chromium checkout. For
@@ -73,7 +81,7 @@ def main():
 
   # Place generated files under the build directory, not source directory.
   gen_dir = os.path.join(build_dir, 'gen', 'pdfium')
-  working_dir = os.path.join(gen_dir, 'testing', 'javascript')
+  working_dir = os.path.join(gen_dir, 'testing', 'pixel')
   if not os.path.exists(working_dir):
     os.makedirs(working_dir)