Waterfall components of regression range finder.

appengine/findit/waterfall/flake/test/recursive_flake_pipeline_test.py

Index: appengine/findit/waterfall/flake/test/recursive_flake_pipeline_test.py
diff --git a/appengine/findit/waterfall/flake/test/recursive_flake_pipeline_test.py b/appengine/findit/waterfall/flake/test/recursive_flake_pipeline_test.py
new file mode 100644
index 0000000000000000000000000000000000000000..30a1a5ad1045c8662b294b69dae9f3e1ffddbb03
--- /dev/null
+++ b/appengine/findit/waterfall/flake/test/recursive_flake_pipeline_test.py
@@ -0,0 +1,129 @@
+# Copyright 2015 The Chromium Authors. All rights reserved.

[chanli, 2016/07/26 17:41:05]

2016

[caiw, 2016/07/26 20:19:44]

Done.

+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+from common import constants
+from common.pipeline_wrapper import pipeline_handlers
+from model import analysis_status
+from model.flake.master_flake_analysis import MasterFlakeAnalysis
+from waterfall.flake import recursive_flake_pipeline
+from waterfall.flake.recursive_flake_pipeline import NextBuildNumberPipeline
+from waterfall.flake.recursive_flake_pipeline import RecursiveFlakePipeline
+from waterfall.test import wf_testcase
+
+
+class RecursiveFlakePipelineTest(wf_testcase.WaterfallTestCase):
+  app_module = pipeline_handlers._APP
+
+  def _CreateAndSaveMasterFlakeAnalysis(
+      self, master_name, builder_name, build_number,
+      step_name, test_name, status):
+    analysis = MasterFlakeAnalysis.Create(
+        master_name, builder_name, build_number, step_name, test_name)
+    analysis.status = status
+    analysis.put()
+
+  def testRecursiveFlakePipeline(self):
+    master_name = 'm'
+    builder_name = 'b'
+    master_build_number = 124
+    build_number = 124
+    run_build_number = 124
+    step_name = 's'
+    test_name = 't'
+    test_result_future = 'test_result_future'
+    queue_name = constants.DEFAULT_QUEUE
+    task_id = 'task_id'
+
+    self.MockPipeline(
+        recursive_flake_pipeline.TriggerFlakeSwarmingTaskPipeline,
+        'task_id',
+        expected_args=[master_name, builder_name,
+                       run_build_number, step_name, [test_name]],
+        expected_kwargs={})
+    self.MockPipeline(
+        recursive_flake_pipeline.ProcessFlakeSwarmingTaskResultPipeline,
+        'test_result_future',
+        expected_args=[master_name, builder_name,
+                       run_build_number, step_name, task_id,
+                       master_build_number, test_name],
+        expected_kwargs={})
+    self.MockPipeline(
+        recursive_flake_pipeline.NextBuildNumberPipeline,
+        '',
+        expected_args=[master_name, builder_name, master_build_number,
+                       step_name, test_name, test_result_future,
+                       queue_name],
+        expected_kwargs={})
+
+    rfp = RecursiveFlakePipeline(master_name, builder_name, build_number,
+                                 step_name, test_name, master_build_number,
+                                 queue_name=queue_name)
+    rfp.start(queue_name=queue_name)
+    self.execute_queued_tasks()
+
+  def testNextBuildPipelineForNewRecursion(self):
+    master_name = 'm'
+    builder_name = 'b'
+    master_build_number = 124
+    build_number = 124
+    step_name = 's'
+    test_name = 't'
+    test_result_future = 'trf'
+    queue_name = constants.DEFAULT_QUEUE
+
+    self._CreateAndSaveMasterFlakeAnalysis(
+        master_name, builder_name, build_number, step_name,
+        test_name, status=analysis_status.PENDING
+    )
+    analysis = MasterFlakeAnalysis.Get(master_name, builder_name,
+                                       build_number, step_name, test_name)
+    analysis.build_numbers.append(124)
+    analysis.put()
+
+    queue_name = {'x': False}
+    # Unused argument (class method calls in python) - pylint: disable=W0613
+    def my_mocked_run(arg1, queue_name):

[chanli, 2016/07/26 17:41:05]

I'm not sure if that'll work, but maybe you can try:
def my_mocked_run(*_):
  queue_name['x'] = True

[caiw, 2016/07/26 20:19:44]

Done.

+      queue_name['x'] = True
+
+    self.mock(
+        recursive_flake_pipeline.RecursiveFlakePipeline, 'start', my_mocked_run)
+    NextBuildNumberPipeline.run(
+        NextBuildNumberPipeline(), master_name, builder_name,
+        master_build_number, step_name, test_name, test_result_future,
+        queue_name)
+    self.assertTrue(queue_name['x'])
+
+  def testNextBuildPipelineForNewRecursionWhenDone(self):
+    master_name = 'm'
+    builder_name = 'b'
+    master_build_number = 124
+    build_number = 124
+    step_name = 's'
+    test_name = 't'
+    test_result_future = 'trf'
+    queue_name = constants.DEFAULT_QUEUE
+
+    self._CreateAndSaveMasterFlakeAnalysis(
+        master_name, builder_name, build_number, step_name,
+        test_name, status=analysis_status.PENDING
+    )
+    analysis = MasterFlakeAnalysis.Get(master_name, builder_name,
+                                       build_number, step_name, test_name)
+    for _ in range(10):
+      analysis.build_numbers.append(124)
+    analysis.put()
+
+    queue_name = {'x': False}
+
+    # Unused argument (class method calls in python) - pylint: disable=W0613
+    def my_mocked_run(arg1, queue_name):
+      queue_name['x'] = True  # pragma: no cover
+
+    self.mock(
+        recursive_flake_pipeline.RecursiveFlakePipeline, 'start', my_mocked_run)
+    NextBuildNumberPipeline.run(
+        NextBuildNumberPipeline(), master_name, builder_name,
+        master_build_number, step_name, test_name, test_result_future,
+        queue_name)
+    self.assertFalse(queue_name['x'])