Add infrastructure to run tests on android.

mojo/tools/mopy/transitive_hash.py

 # Copyright 2014 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.
 
 import hashlib
 import logging
 import platform
 import subprocess
 import sys
 
@@ skipping 43 matching lines @@
   rv = []
   for line in lines:
     i = line.find('/')
     if i < 0:
       _logging.debug("  => no file found in line: %s", line)
       continue
     rv.append(line[i:].split(None, 1)[0])
   _logging.debug("  => %s", rv)
   return rv
 
-def transitive_hash(filename):
+def transitive_hash(filename, transitive=True):

[viettrungluu, 2014/11/20 17:32:24]

Move _file_hash() into its own file and use that instead.

[qsr, 2014/11/21 13:51:46]

Done.

   """Returns a string that represents the "transitive" hash of the given
   file. The transitive hash is a hash of the file and all the shared libraries
   on which it depends (done in an order-independent way)."""
   hashes = set()
   to_hash = [filename]
   while to_hash:
     current_filename = realpath(to_hash.pop())
     current_hash = _file_hash(current_filename)
     if current_hash in hashes:
       _logging.debug("Already seen %s (%s) ...", current_filename, current_hash)
       continue
     _logging.debug("Haven't seen %s (%s) ...", current_filename, current_hash)
     hashes.add(current_hash)
-    to_hash.extend(_get_dependencies(current_filename))
+    if transitive:
+      to_hash.extend(_get_dependencies(current_filename))
   return sha256('|'.join(sorted(hashes))).hexdigest()
 
 def main(argv):
   logging.basicConfig()
   # Uncomment to debug:
   # _logging.setLevel(logging.DEBUG)
 
   if len(argv) < 2:
     print """\
 Usage: %s [file] ...
 
 Prints the \"transitive\" hash of each (executable) file. The transitive
 hash is a hash of the file and all the shared libraries on which it
 depends (done in an order-independent way).""" % basename(argv[0])
     return 0
 
   rv = 0
   for filename in argv[1:]:
     try:
       print transitive_hash(filename), filename
     except subprocess.CalledProcessError:
       print "ERROR", filename
       rv = 1
   return rv
 
 if __name__ == '__main__':
   sys.exit(main(sys.argv))