summaryrefslogtreecommitdiff
path: root/testing/tools/test_runner.py
blob: 6bd2d72474ae8dfe6cbaf7a5bec92c45248fb31a (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
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
#!/usr/bin/env python
# Copyright 2016 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

import common
import pngdiffer
import suppressor

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

class TestRunner:
  def __init__(self, dirname):
    self.test_dir = dirname

  def GenerateAndTest(self, input_filename, source_dir):
    input_root, _ = os.path.splitext(input_filename)
    expected_txt_path = os.path.join(source_dir, input_root + '_expected.txt')

    pdf_path = os.path.join(self.working_dir, input_root + '.pdf')

    # Remove any existing generated images from previous runs.
    actual_images = self.image_differ.GetActualFiles(input_filename, source_dir,
                                                     self.working_dir)
    for image in actual_images:
      if os.path.exists(image):
        os.remove(image)

    sys.stdout.flush()

    raised_exception = self.Generate(source_dir, input_filename, input_root,
                                     pdf_path)

    if raised_exception != None:
      print "FAILURE: " + input_filename + "; " + str(raised_exception)
      return False

    if os.path.exists(expected_txt_path):
      raised_exception = self.TestText(input_root, expected_txt_path, pdf_path)
    else:
      raised_exception = self.TestPixel(input_root, pdf_path)

    if raised_exception != None:
      print "FAILURE: " + input_filename + "; " + str(raised_exception)
      return False

    if len(actual_images):
      if self.image_differ.HasDifferences(input_filename, source_dir,
                                          self.working_dir):
        return False

    return True

  def Generate(self, source_dir, input_filename, input_root, pdf_path):
    original_path = os.path.join(source_dir, input_filename)
    input_path = os.path.join(source_dir, input_root + '.in')

    if not os.path.exists(input_path):
      if os.path.exists(original_path):
        shutil.copyfile(original_path, pdf_path)
      return None

    sys.stdout.flush()
    return common.RunCommand(
        [sys.executable, self.fixup_path, '--output-dir=' + self.working_dir,
            input_path])


  def TestText(self, input_root, expected_txt_path, pdf_path):
    txt_path = os.path.join(self.working_dir, input_root + '.txt')

    with open(txt_path, 'w') as outfile:
      # add Dr. Memory wrapper if exist
      cmd_to_run = common.DrMemoryWrapper(self.drmem_wrapper, input_root)
      cmd_to_run.extend([self.pdfium_test_path, pdf_path])
      subprocess.check_call(cmd_to_run, stdout=outfile)

    cmd = [sys.executable, self.text_diff_path, expected_txt_path, txt_path]
    return common.RunCommand(cmd)


  def TestPixel(self, input_root, pdf_path):
    cmd_to_run = common.DrMemoryWrapper(self.drmem_wrapper, input_root)
    cmd_to_run.extend([self.pdfium_test_path, '--png', pdf_path])
    return common.RunCommand(cmd_to_run)


  def HandleResult(self, input_filename, input_path, result):
    if self.test_suppressor.IsResultSuppressed(input_filename):
      if result:
        self.surprises.append(input_path)
    else:
      if not result:
        self.failures.append(input_path)


  def Run(self):
    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=1,
                      dest='num_workers', type='int',
                      help='run NUM_WORKERS jobs in parallel')
    parser.add_option('--wrapper', default='', dest="wrapper",
                      help='wrapper for running test under Dr. Memory')
    options, args = parser.parse_args()

    finder = common.DirectoryFinder(options.build_dir)
    self.fixup_path = finder.ScriptPath('fixup_pdf_template.py')
    self.text_diff_path = finder.ScriptPath('text_diff.py')

    self.drmem_wrapper = options.wrapper

    self.source_dir = finder.TestingDir()
    self.pdfium_test_path = finder.ExecutablePath('pdfium_test')
    if not os.path.exists(self.pdfium_test_path):
      print "FAILURE: Can't find test executable '%s'" % self.pdfium_test_path
      print "Use --build-dir to specify its location."
      return 1

    self.working_dir = finder.WorkingDir(os.path.join('testing', self.test_dir))
    if not os.path.exists(self.working_dir):
      os.makedirs(self.working_dir)

    self.feature_string = subprocess.check_output([self.pdfium_test_path,
                                                   '--show-config'])
    self.test_suppressor = suppressor.Suppressor(finder, self.feature_string)
    self.image_differ = pngdiffer.PNGDiffer(finder)

    test_dir = finder.TestingDir(os.path.join('resources', self.test_dir))
    walk_from_dir = finder.TestingDir(test_dir);

    test_cases = []
    input_file_re = re.compile('^[a-zA-Z0-9_.]+[.](in|pdf)$')
    if len(args):
      for file_name in args:
        file_name.replace(".pdf", ".in")
        input_path = os.path.join(walk_from_dir, file_name)
        if not os.path.isfile(input_path):
          print "Can't find test file '%s'" % file_name
          return 1

        test_cases.append((os.path.basename(input_path),
                           os.path.dirname(input_path)))
    else:
      for file_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(file_dir, input_filename)
            if not self.test_suppressor.IsExecutionSuppressed(input_path):
              if os.path.isfile(input_path):
                test_cases.append((input_filename, file_dir))

    self.failures = []
    self.surprises = []

    for test_case in test_cases:
      input_filename, input_file_dir = test_case
      result = self.GenerateAndTest(input_filename, input_file_dir)
      self.HandleResult(input_filename,
                        os.path.join(input_file_dir, input_filename), result)

    if self.surprises:
      self.surprises.sort()
      print '\n\nUnexpected Successes:'
      for surprise in self.surprises:
        print surprise;

    if self.failures:
      self.failures.sort()
      print '\n\nSummary of Failures:'
      for failure in self.failures:
        print failure
      return 1

    return 0