Fix build: missed a file

TBR=tony

Review URL: http://codereview.chromium.org/13209


git-svn-id: svn://svn.chromium.org/chrome/trunk/src@6449 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 48 insertions, 0 deletions

diff --git a/webkit/tools/layout_tests/test_types/fuzzy_image_diff.py b/webkit/tools/layout_tests/test_types/fuzzy_image_diff.py
new file mode 100644
index 0000000..f90536a
--- /dev/null
+++ b/webkit/tools/layout_tests/test_types/fuzzy_image_diff.py
@@ -0,0 +1,48 @@
+# Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+"""Compares the image output of a test to the expected image output using
+fuzzy matching.
+"""
+
+import errno
+import logging
+import os
+import shutil
+import subprocess
+
+from layout_package import path_utils
+from layout_package import test_failures
+from test_types import test_type_base
+
+class FuzzyImageDiff(test_type_base.TestTypeBase):
+  def CompareOutput(self, filename, proc, output, test_args):
+    """Implementation of CompareOutput that checks the output image and
+    checksum against the expected files from the LayoutTest directory.
+    """
+    failures = []
+
+    # If we didn't produce a hash file, this test must be text-only.
+    if test_args.hash is None:
+      return failures
+
+    expected_png_file = path_utils.ExpectedFilename(filename,
+                                                    '.png',
+                                                    self._platform)
+
+    if test_args.show_sources:
+      logging.debug('Using %s' % expected_png_file)
+
+    # Also report a missing expected PNG file.
+    if not os.path.isfile(expected_png_file):
+      failures.append(test_failures.FailureMissingImage(self))
+
+    # Run the fuzzymatcher
+    r = subprocess.call(['fuzzymatch', test_args.png_path, expected_png_file])
+    print '  fuzzymatch returned', r
+    if r != 0:
+      failures.append(test_failures.FailureFuzzyFailure(self))
+
+    return failures
+