Combine the javascript and pixel test runners.

These runners are very similar in their implementation. Combine them into
a single test runner.

Corpus will, hopefully, be combined into this test runner in the future.

Review URL: https://codereview.chromium.org/1906803005

1 files changed, 186 insertions, 0 deletions

diff --git a/testing/tools/test_runner.py b/testing/tools/test_runner.py
new file mode 100644
index 0000000000..6bd2d72474
--- /dev/null
+++ b/testing/tools/test_runner.py
@@ -0,0 +1,186 @@
+#!/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