Adds a way to specify test data files for unittests.

build/copy_test_data.py

+#!/usr/bin/env python

[pkl (ping after 24h if needed), 2012/07/16 17:15:34]

google3 python files do *not* require shebang lines. But I don't know if this is
necessary in this case.

+# Copyright (c) 2012 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.
+
+"""Copies test data files into an iOS app bundle."""
+
+import optparse
+import os
+import shutil
+import sys
+
+class WrongNumberOfArgumentsException(Exception):
+  pass
+
+def ExpandFilesForPath(path):
+  output = []
+  # Files get returned without modification.
+  if not os.path.isdir(path):
+    output.append(path)
+    return output
+
+  # Directories get recursively expanded.
+  contents = os.listdir(path)
+  for item in contents:
+    full_path = os.path.join(path, item)
+    output.extend(ExpandFilesForPath(full_path))
+  return output
+
+def CalcInputs(inputs):
+  # Inputs is a list of possibly-space-separated strings.  Break apart the list

[pkl (ping after 24h if needed), 2012/07/16 17:15:34]

Use triple-" for function doc strings.

+  # and tokenize the string.
+  output = []
+  for input in inputs:
+    tokens = input.split()
+    for token in tokens:
+      output.extend(ExpandFilesForPath(token))
+  return output
+
+def CopyFiles(relative_filenames, output_basedir):
+  for file in relative_filenames:
+      relative_dirname = os.path.dirname(file)

[pkl (ping after 24h if needed), 2012/07/16 17:15:34]

indent 2

+      output_dir = os.path.join(output_basedir, relative_dirname)
+      if not os.path.exists(output_dir):
+        os.makedirs(output_dir)
+      output_filename = os.path.join(output_basedir, file)
+      shutil.copy(file, output_filename)
+
+def DoMain(argv):
+  parser = optparse.OptionParser()
+  usage = 'Usage: %prog -o <output_dir> [--inputs] [--outputs] <input_files>'
+  parser.set_usage(usage)
+  parser.add_option('-o', dest='output_dir')
+  parser.add_option('--inputs', action='store_true', dest='list_inputs')
+  parser.add_option('--outputs', action='store_true', dest='list_outputs')
+  options, arglist = parser.parse_args(argv)
+
+  if len(arglist) == 0:
+    raise WrongNumberOfArgumentsException("<input_files> required.")

[pkl (ping after 24h if needed), 2012/07/16 17:15:34]

single quote strings.

+
+  files_to_copy = CalcInputs(arglist)
+  if options.list_inputs:
+    return '\n'.join(files_to_copy)
+
+  if not options.output_dir:
+    raise WrongNumberOfArgumentsException("-o required.")
+
+  if options.list_outputs:
+    outputs = [os.path.join(options.output_dir, x) for x in files_to_copy]
+    return '\n'.join(outputs)
+
+  CopyFiles(files_to_copy, options.output_dir)
+  return 0
+
+def main(argv):
+  try:
+    result = DoMain(argv[1:])
+  except WrongNumberOfArguments, e:
+    print >>sys.stderr, e
+    return 1
+  print result
+  return 0
+
+if __name__ == '__main__':
+  sys.exit(main(sys.argv))