[Findit] Modify tryjob pipelines to trigger try jobs for test failure.

appengine/findit/waterfall/schedule_try_job_pipeline.py

 # Copyright 2015 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.
 
 from common import buildbucket_client
 from model.wf_try_job import WfTryJob
 from pipeline_wrapper import BasePipeline
 from pipeline_wrapper import pipeline
 from waterfall import waterfall_config
 
 
 class ScheduleTryJobPipeline(BasePipeline):
-  """A pipeline for scheduling a new tryjob for current build."""
+  """A pipeline for scheduling a new try job for current build."""
 
-  def _getBuildProperties(self, recipe, master_name, builder_name,
-                          good_revision, bad_revision, compile_targets):
-
+  def _getBuildProperties(
+      self, master_name, builder_name, good_revision, bad_revision,
+      try_job_type, compile_targets, targeted_tests):
     properties = {
-        'recipe': recipe,
+        'recipe': 'findit/chromium/%s' % try_job_type,
         'good_revision': good_revision,
         'bad_revision': bad_revision,
-        'target_mastername': master_name,
-        'target_buildername': builder_name
+        'target_mastername': master_name
     }
 
-    if compile_targets:
-      properties['compile_targets'] = compile_targets
+    if try_job_type == 'compile':
+      properties['target_buildername'] = builder_name
+      if compile_targets:
+        properties['compile_targets'] = compile_targets
+    else:  # try_job_type is 'test'.
+      properties['target_testername'] = builder_name
+      if targeted_tests:

[stgao, 2016/01/26 00:51:41]

For test failures, we will always require the ``targeted_tests``, as we need to
know which tests to run.

Thus this ``if`` should be removed, and an assert should be added instead.

[chanli, 2016/01/27 18:49:55]

Done.

+        properties['tests'] = targeted_tests
 
     return properties
 
   # Arguments number differs from overridden method - pylint: disable=W0221
   def run(
-      self, master_name, builder_name, build_number,
-      good_revision, bad_revision, compile_targets):
+      self, master_name, builder_name, build_number, good_revision,
+      bad_revision, try_job_type, compile_targets, targeted_tests):
     tryserver_mastername, tryserver_buildername = (
         waterfall_config.GetTrybotForWaterfallBuilder(
             master_name, builder_name))
 
-    recipe = 'findit/chromium/compile'
     properties = self._getBuildProperties(
-        recipe, master_name, builder_name, good_revision, bad_revision,
-        compile_targets)
+        master_name, builder_name, good_revision, bad_revision,
+        try_job_type, compile_targets, targeted_tests)
 
     try_job = buildbucket_client.TryJob(
         tryserver_mastername, tryserver_buildername, None, properties, [])
     error, build = buildbucket_client.TriggerTryJobs([try_job])[0]
 
     if error:  # pragma: no cover
       raise pipeline.Retry(
           'Error "%s" occurred. Reason: "%s"' % (error.message, error.reason))
 
     try_job_result = WfTryJob.Get(master_name, builder_name, build_number)
-    try_job_result.compile_results.append({'try_job_id': build.id})
+    if try_job_type == 'compile':
+      try_job_result.compile_results.append({'try_job_id': build.id})
+    else:
+      try_job_result.test_results.append({'try_job_id': build.id})
     try_job_result.put()
 
     return build.id