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[pdfium.git] / testing / tools / run_pixel_tests.py
1 #!/usr/bin/env python
2 # Copyright 2015 The PDFium Authors. All rights reserved.
3 # Use of this source code is governed by a BSD-style license that can be
4 # found in the LICENSE file.
5
6 import optparse
7 import os
8 import re
9 import subprocess
10 import sys
11
12 import common
13 import pngdiffer
14 import suppressor
15
16 # Nomenclature:
17 #   x_root - "x"
18 #   x_filename - "x.ext"
19 #   x_path - "path/to/a/b/c/x.ext"
20 #   c_dir - "path/to/a/b/c"
21
22 def generate_and_test(input_filename, source_dir, working_dir,
23                       fixup_path, pdfium_test_path, image_differ):
24   input_root, _ = os.path.splitext(input_filename)
25   input_path = os.path.join(source_dir, input_root + '.in')
26   pdf_path = os.path.join(working_dir, input_root + '.pdf')
27
28   # Remove any existing generated images from previous runs.
29   actual_images = image_differ.GetActualFiles(
30       input_filename, source_dir, working_dir)
31   for image in actual_images:
32     if os.path.exists(image):
33       os.remove(image)
34
35   try:
36     sys.stdout.flush()
37     subprocess.check_call(
38         [sys.executable, fixup_path, '--output-dir=' + working_dir, input_path])
39     subprocess.check_call([pdfium_test_path, '--png', pdf_path])
40   except subprocess.CalledProcessError as e:
41     print "FAILURE: " + input_filename + "; " + str(e)
42     return False
43   if image_differ.HasDifferences(input_filename, source_dir, working_dir):
44     print "FAILURE: " + input_filename
45     return False
46   return True
47
48
49 def main():
50   parser = optparse.OptionParser()
51   parser.add_option('--build-dir', default=os.path.join('out', 'Debug'),
52                     help='relative path from the base source directory')
53   options, args = parser.parse_args()
54   finder = common.DirectoryFinder(options.build_dir)
55   fixup_path = finder.ScriptPath('fixup_pdf_template.py')
56   source_dir = finder.TestingDir(os.path.join('resources', 'pixel'))
57   pdfium_test_path = finder.ExecutablePath('pdfium_test')
58   if not os.path.exists(pdfium_test_path):
59     print "FAILURE: Can't find test executable '%s'" % pdfium_test_path
60     print "Use --build-dir to specify its location."
61     return 1
62   working_dir = finder.WorkingDir(os.path.join('testing', 'pixel'))
63   if not os.path.exists(working_dir):
64     os.makedirs(working_dir)
65
66   test_suppressor = suppressor.Suppressor(finder)
67   image_differ = pngdiffer.PNGDiffer(finder)
68
69   failures = []
70   input_file_re = re.compile('^[a-zA-Z0-9_.]+[.]in$')
71   for input_filename in os.listdir(source_dir):
72     if input_file_re.match(input_filename):
73       input_path = os.path.join(source_dir, input_filename)
74       if os.path.isfile(input_path):
75         if test_suppressor.IsSuppressed(input_filename):
76           continue
77         if not generate_and_test(input_filename, source_dir, working_dir,
78                                  fixup_path, pdfium_test_path, image_differ):
79           failures.append(input_path)
80
81   if failures:
82     failures.sort()
83     print '\n\nSummary of Failures:'
84     for failure in failures:
85       print failure
86     return 1
87   return 0
88
89
90 if __name__ == '__main__':
91   sys.exit(main())