summaryrefslogtreecommitdiff
path: root/testing/tools/run_pixel_tests.py
blob: 0123583a5e5839cdd82a26283a34206c24df05b4 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
#!/usr/bin/env python
# Copyright 2015 The PDFium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

import optparse
import os
import re
import subprocess
import sys

# Nomenclature:
#   x_root - "x"
#   x_filename - "x.ext"
#   x_path - "path/to/a/b/c/x.ext"
#   c_dir - "path/to/a/b/c"

def extract_suppressions(filename):
  with open(filename) as f:
    suppressions = [y for y in [
      x.split('#')[0].strip() for x in f.readlines()] if y]
  return suppressions

def generate_and_test(input_filename, source_dir, working_dir,
                      fixup_path, pdfium_test_path, pdfium_diff_path):
  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')
  actual_path_template = os.path.join(working_dir, input_root + '.pdf.%d.png')
  expected_path_template = os.path.join(source_dir,
                                        input_root + '_expected.pdf.%d.png')
  try:
    sys.stdout.flush()
    subprocess.check_call(
        [sys.executable, fixup_path, '--output-dir=' + working_dir, input_path])
    subprocess.check_call([pdfium_test_path, '--png', 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):
        if i == 0:
          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:
    print "FAILURE: " + input_filename + "; " + str(e)
    return False
  return True

def main():
  if sys.platform.startswith('linux'):
    os_name = 'linux'
  elif sys.platform.startswith('win'):
    os_name = 'win'
  elif sys.platform.startswith('darwin'):
    os_name = 'mac'
  else:
    print 'Confused, can not determine OS, aborting.'
    return 1

  parser = optparse.OptionParser()
  parser.add_option('--build-dir', default=os.path.join('out', 'Debug'),
                    help='relative path from the base source directory')
  options, args = parser.parse_args()

  # Expect |my_dir| to be .../pdfium/testing/tools.
  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(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/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
  # standalone, we expect a path like .../pdfium/out/Debug, but for
  # chromium, we expect a path like .../src/out/Debug two levels
  # higher (to skip over the third_party/pdfium path component under
  # which chromium sticks pdfium).
  base_dir = pdfium_dir
  one_up_dir = os.path.dirname(base_dir)
  two_up_dir = os.path.dirname(one_up_dir)
  if (os.path.basename(two_up_dir) == 'src' and
      os.path.basename(one_up_dir) == 'third_party'):
    base_dir = two_up_dir
  build_dir = os.path.join(base_dir, options.build_dir)

  # Compiled binaries are found under the build path.
  pdfium_test_path = os.path.join(build_dir, 'pdfium_test')
  pdfium_diff_path = os.path.join(build_dir, 'pdfium_diff')
  if sys.platform.startswith('win'):
    pdfium_test_path = pdfium_test_path + '.exe'
    pdfium_diff_path = pdfium_diff_path + '.exe'
  # TODO(tsepez): Mac may require special handling here.

  # 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', 'pixel')
  if not os.path.exists(working_dir):
    os.makedirs(working_dir)

  suppression_list = extract_suppressions(
    os.path.join(testing_dir, 'SUPPRESSIONS'))

  platform_suppression_filename = 'SUPPRESSIONS_%s' % os_name
  platform_suppression_list = extract_suppressions(
    os.path.join(testing_dir, platform_suppression_filename))

  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):
      input_path = os.path.join(source_dir, input_filename)
      if os.path.isfile(input_path):
        if input_filename in suppression_list:
          print "Not running %s, found in SUPPRESSIONS file" % input_filename
          continue
        if input_filename in platform_suppression_list:
          print ("Not running %s, found in %s file" %
                 (input_filename, platform_suppression_filename))
          continue
        if not generate_and_test(input_filename, source_dir, working_dir,
                                 fixup_path, pdfium_test_path, pdfium_diff_path):
          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())