Mojo: Make mojob.sh not skip some tests (due to cached test results).

mojo/tools/test_runner.py

 #!/usr/bin/env python
 # 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.
 
 """A "smart" test runner for gtest unit tests (that caches successes)."""
 
 import logging
 import os
 import subprocess
@@ skipping 49 matching lines @@
   # Run gtests with color if we're on a TTY (and we're not being told explicitly
   # what to do).
   if sys.stdout.isatty() and 'GTEST_COLOR' not in os.environ:
     _logging.debug("Setting GTEST_COLOR=yes")
     os.environ['GTEST_COLOR'] = 'yes'
 
   # TODO(vtl): We may not close this file on failure.
   successes_cache_file = open(successes_cache_filename, 'ab') \
       if successes_cache_filename else None
   for gtest in gtest_list:
-    if successes_cache_file:
+    if gtest[0] == '*':
+      gtest = gtest[1:]
+      _logging.debug("%s is marked as non-cacheable" % gtest)
+      cacheable = False
+    else:
+      cacheable = True
+
+    if successes_cache_file and cacheable:
       _logging.debug("Getting transitive hash for %s ... " % gtest)
       try:
         gtest_hash = transitive_hash(gtest)
       except:
         print "Failed to get transitive hash for %s" % gtest
         return 1
       _logging.debug("  Transitive hash: %s" % gtest_hash)
 
       if gtest_hash in successes:
         print "Skipping %s (previously succeeded)" % gtest
         continue
 
-    print "Running %s ..." % gtest
+    print "Running %s...." % gtest,
     try:
       subprocess.check_output(["./" + gtest], stderr=subprocess.STDOUT)
-      print "  Succeeded"
+      print "Succeeded"
       # Record success.
-      if successes_cache_filename:
+      if successes_cache_filename and cacheable:
         successes.add(gtest_hash)
         successes_cache_file.write(gtest_hash + '\n')
         successes_cache_file.flush()
     except subprocess.CalledProcessError as e:
-      print "  Failed with exit code %d and output:" % e.returncode
+      print "Failed with exit code %d and output:" % e.returncode
       print 72 * '-'
       print e.output
       print 72 * '-'
       return 1
     except OSError as e:
       print "  Failed to start test"
       return 1
   print "All tests succeeded"
   if successes_cache_file:
     successes_cache_file.close()
 
   return 0
 
 if __name__ == '__main__':
   sys.exit(main(sys.argv))