[Findit] Integrate with Fracas through Pub/Sub.

appengine/findit/crash/test/fracas_crash_pipeline_test.py

+# Copyright 2016 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 json
+import os
+
+from common import constants
+from crash import fracas_crash_pipeline
+from crash.test.crash_testcase import CrashTestCase
+from model import analysis_status
+from model import result_status
+from model.crash.fracas_crash_analysis import FracasCrashAnalysis
+from pipeline_wrapper import pipeline_handlers
+from waterfall.test import wf_testcase
+
+
+class FracasCrashPipelineTest(CrashTestCase):
+  app_module = pipeline_handlers._APP
+
+  def testNoAnalysisIfLastOneIsNotFailed(self):
+    channel = 'canary'
+    platform = 'win'
+    signature = 'signature'
+    for status in (analysis_status.PENDING, analysis_status.RUNNING,
+                   analysis_status.COMPLETED, analysis_status.SKIPPED):
+      analysis = FracasCrashAnalysis.Create(channel, platform, signature)
+      analysis.status = status
+      analysis.put()
+      self.assertFalse(fracas_crash_pipeline._NeedsNewAnalysis(
+          channel, platform, signature, None, None, None))
+
+  def testAnalysisNeededIfLastOneFailed(self):
+    channel = 'canary'
+    platform = 'win'
+    signature = 'signature'
+    analysis = FracasCrashAnalysis.Create(channel, platform, signature)
+    analysis.status = analysis_status.ERROR
+    analysis.put()
+    self.assertTrue(fracas_crash_pipeline._NeedsNewAnalysis(
+        channel, platform, signature, None, None, None))
+
+  def testAnalysisNeededIfNoAnalysisYet(self):
+    channel = 'canary'
+    platform = 'win'
+    signature = 'signature'
+    self.assertTrue(fracas_crash_pipeline._NeedsNewAnalysis(
+        channel, platform, signature, None, None, None))
+
+  def testUnsupportedChannelOrPlatformSkipped(self):
+    self.assertFalse(
+        fracas_crash_pipeline.ScheduleNewAnalysisForCrash(
+            'unsupported_channel', 'win', None, None, None, None))
+    self.assertFalse(
+        fracas_crash_pipeline.ScheduleNewAnalysisForCrash(
+            'supported_channel', 'unsupported_platform',
+            None, None, None, None))
+
+  def testNoAnalysisNeeded(self):
+    channel = 'supported_channel'
+    platform = 'supported_platform'
+    signature = 'signature'
+    analysis = FracasCrashAnalysis.Create(channel, platform, signature)
+    analysis.status = analysis_status.COMPLETED
+    analysis.put()
+
+    self.assertFalse(
+        fracas_crash_pipeline.ScheduleNewAnalysisForCrash(
+            channel, platform, signature, None, None, None))
+
+  def testRunningAnalysis(self):
+    pubsub_publish_requests = []
+    def Mocked_PublishMessagesToTopic(messages_data, topic):
+      pubsub_publish_requests.append((messages_data, topic))
+    self.mock(fracas_crash_pipeline.pubsub_util, 'PublishMessagesToTopic',
+              Mocked_PublishMessagesToTopic)
+
+    analysis_result = {
+        'found': True,
+        'other_data': 'data',
+    }
+    analysis_tags = {
+        'found_suspects': True,
+        'has_regression_range': True,
+        'solution': 'core',
+        'unsupported_tag': '',
+    }
+    analyzed_crashes = []
+    def Mocked_FindCulpritForChromeCrash(*args):
+      analyzed_crashes.append(args)
+      return analysis_result, analysis_tags
+    self.mock(fracas_crash_pipeline.fracas, 'FindCulpritForChromeCrash',
+              Mocked_FindCulpritForChromeCrash)
+
+    channel = 'supported_channel'
+    platform = 'supported_platform'
+    signature = 'signature/here'
+    stack_trace = 'frame1\nframe2\nframe3'
+    chrome_version = '50.2500.0.0'
+    versions_to_cpm = {'50.2500.0.0': 1.0}
+
+    self.assertTrue(
+        fracas_crash_pipeline.ScheduleNewAnalysisForCrash(
+            channel, platform, signature, stack_trace,
+            chrome_version, versions_to_cpm))
+
+    self.execute_queued_tasks()
+
+    self.assertEqual(1, len(pubsub_publish_requests))
+    expected_messages_data = [json.dumps({
+          'channel': channel,
+          'platform': platform,
+          'signature': signature,
+          'result': analysis_result,
+        }, sort_keys=True)]
+    self.assertEqual(expected_messages_data, pubsub_publish_requests[0][0])
+
+    self.assertEqual(1, len(analyzed_crashes))
+    self.assertEqual(
+        (channel, platform, signature, stack_trace,
+         chrome_version, versions_to_cpm),
+        analyzed_crashes[0])
+
+    analysis = FracasCrashAnalysis.Get(channel, platform, signature)
+    self.assertEqual(analysis_result, analysis.result)
+    self.assertTrue(analysis.has_regression_range)
+    self.assertTrue(analysis.found_suspects)
+    self.assertEqual('core', analysis.solution)
+
+  def testAnalysisAborted(self):
+    channel = 'canary'
+    platform = 'win'
+    signature = 'signature'
+    analysis = FracasCrashAnalysis.Create(channel, platform, signature)
+    analysis.status = analysis_status.RUNNING
+    analysis.put()
+
+    pipeline = fracas_crash_pipeline.AnalyzeCrashPipeline(
+        channel, platform, signature)
+    pipeline._SetErrorIfAborted(True)
+    analysis = FracasCrashAnalysis.Get(channel, platform, signature)
+    self.assertEqual(analysis_status.ERROR, analysis.status)