Run skimage on the bots.

slave/skia_slave_scripts/run_decoding_tests.py

+#!/usr/bin/env python
+# Copyright (c) 2013 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.
+
+""" Run the Skia skimage executable. """
+
+from build_step import BuildStep
+from utils.gs_utils import TIMESTAMP_COMPLETED_FILENAME
+import os
+import sys
+
+class RunDecodingTests(BuildStep):
+  def _Run(self):
+    image_dir = self._device_dirs.SKImageInDir()
+
+    # Skip the time stamp file.
+    images = [os.path.join(image_dir, filename)
+              for filename in os.listdir(image_dir)
+              if not filename == TIMESTAMP_COMPLETED_FILENAME]
+    cmd = ['-r']
+    cmd.extend(images)
+
+    expectations_name = self._gm_image_subdir + '.json'
+
+    # Read expectations, which were downloaded/copied to the device.
+    # Note that it is okay for the expectations file to not be there.
+    expectations_file = os.path.join(self._device_dirs.SKImageExpectedDir(),
+                                     expectations_name)
+
+    cmd.extend(['--readExpectationsPath', expectations_file])

[borenet, 2013/06/26 12:54:45]

I think we should verify that the file exists before passing this flag.

[scroggo, 2013/06/26 15:06:39]

Done.

+
+    # Write the expectations file, in case any did not match.
+    output_expectations_file = os.path.join(self._device_dirs.SKImageOutDir(),
+                                            expectations_name)
+    cmd.extend(['--createExpectationsPath', output_expectations_file])
+
+    # Draw any mismatches to the same folder as the output json.
+    cmd.extend(['--mismatchPath', self._device_dirs.SKImageOutDir()])
+
+    self.RunFlavoredCmd('skimage', cmd)
+
+
+if '__main__' == __name__:
+  sys.exit(BuildStep.RunBuildStep(RunDecodingTests))