Add infra_tests.py, recipe, buildbotless bot

PRESUBMIT.py

 # 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.
 
 
 """Top-level presubmit script for Skia.
 
 See http://dev.chromium.org/developers/how-tos/depottools/presubmit-scripts
 for more details about the presubmit API built into gcl.
 """
@@ skipping 149 matching lines @@
   """Make sure `{dm,nanobench}_flags.py test` passes if modified."""
   results = []
   sources = lambda x: ('dm_flags.py'        in x.LocalPath() or
                        'nanobench_flags.py' in x.LocalPath())
   for f in input_api.AffectedSourceFiles(sources):
     if 0 != subprocess.call(['python', f.LocalPath(), 'test']):
       results.append(output_api.PresubmitError('`python %s test` failed' % f))
   return results
 
 
-def _RecipeSimulationTest(input_api, output_api):
-  """Run the recipe simulation test."""
+def _InfraTests(input_api, output_api):
+  """Run the infra tests."""
   results = []
   if not any(f.LocalPath().startswith('infra')
              for f in input_api.AffectedFiles()):
     return results
 
-  recipes_py = os.path.join('infra', 'bots', 'recipes.py')
-  cmd = ['python', recipes_py, 'simulation_test']
+  cmd = ['python', os.path.join('infra', 'bots', 'infra_tests.py')]
   try:
     subprocess.check_output(cmd)
   except subprocess.CalledProcessError as e:
-    results.append(output_api.PresubmitError(
-        '`%s` failed:\n%s' % (' '.join(cmd), e.output)))
-  return results
-
-
-def _GenTasksTest(input_api, output_api):
-  """Run gen_tasks.go test."""
-  results = []
-  if not any(f.LocalPath().startswith('infra')
-             for f in input_api.AffectedFiles()):
-    return results
-
-  gen_tasks = os.path.join('infra', 'bots', 'gen_tasks.go')
-  cmd = ['go', 'run', gen_tasks, '--test']
-  try:
-    subprocess.check_output(cmd)
-  except subprocess.CalledProcessError as e:
     results.append(output_api.PresubmitError(
         '`%s` failed:\n%s' % (' '.join(cmd), e.output)))
   return results
 
 
 def _CheckGNFormatted(input_api, output_api):
   """Make sure any .gn files we're changing have been formatted."""
   results = []
   for f in input_api.AffectedFiles():
     if not f.LocalPath().endswith('.gn'):
@@ skipping 38 matching lines @@
 def CheckChangeOnUpload(input_api, output_api):
   """Presubmit checks for the change on upload.
 
   The following are the presubmit checks:
   * Check change has one and only one EOL.
   """
   results = []
   results.extend(_CommonChecks(input_api, output_api))
   # Run on upload, not commit, since the presubmit bot apparently doesn't have
   # coverage or Go installed.
-  results.extend(_RecipeSimulationTest(input_api, output_api))
-  results.extend(_GenTasksTest(input_api, output_api))
+  results.extend(_InfraTests(input_api, output_api))
 
   results.extend(_CheckGNFormatted(input_api, output_api))
   return results
 
 
 def _CheckTreeStatus(input_api, output_api, json_url):
   """Check whether to allow commit.
 
   Args:
     input_api: input related apis.
@@ skipping 374 matching lines @@
     state and an error if it is in 'Closed' state.
   """
   results = []
   results.extend(_CommonChecks(input_api, output_api))
   results.extend(
       _CheckTreeStatus(input_api, output_api, json_url=(
           SKIA_TREE_STATUS_URL + '/banner-status?format=json')))
   results.extend(_CheckLGTMsForPublicAPI(input_api, output_api))
   results.extend(_CheckOwnerIsInAuthorsFile(input_api, output_api))
   return results