diff options
Diffstat (limited to 'testing/tools/pngdiffer.py')
| -rwxr-xr-x | testing/tools/pngdiffer.py | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/testing/tools/pngdiffer.py b/testing/tools/pngdiffer.py index f40cc2596f..baed33be0c 100755 --- a/testing/tools/pngdiffer.py +++ b/testing/tools/pngdiffer.py @@ -3,6 +3,7 @@ # Use of this source code is governed by a BSD-style license that can be # found in the LICENSE file. +import distutils.spawn import itertools import os import shutil @@ -15,6 +16,13 @@ class PNGDiffer(): self.pdfium_diff_path = finder.ExecutablePath('pdfium_diff') self.os_name = finder.os_name + def CheckMissingTools(self, regenerate_expected): + if (regenerate_expected and + self.os_name == 'linux' and + not distutils.spawn.find_executable('optipng')): + return 'Please install "optipng" to regenerate expected images.' + return None + def GetActualFiles(self, input_filename, source_dir, working_dir): actual_paths = [] path_templates = PathTemplates(input_filename, source_dir, working_dir) @@ -93,6 +101,7 @@ class PNGDiffer(): continue shutil.copyfile(actual_path, expected_path) + common.RunCommand(['optipng', expected_path]) ACTUAL_TEMPLATE = '.pdf.%d.png' |