[Findit] Fetch DEPS from buildspec/ instead of trunk for chrome official builds.

appengine/findit/crash/test/fracas_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.
+
+from common import chromium_deps
+from crash import detect_regression_range
+from crash import fracas
+from crash import fracas_parser
+from crash import findit_for_crash
+from crash.stacktrace import Stacktrace
+from crash.test.crash_testcase import CrashTestCase
+
+
+class FracasTest(CrashTestCase):
+
+  def testFindCulpritForChromeCrash(self):
+    def _MockGetChromeDependency(*_):
+      return {}
+
+    def _MockParse(*_):
+      return Stacktrace()
+
+    def _MockDetectRegressionRange(historic):
+      if historic:
+        return '50.0.1233.0', '50.0.1234.0'
+
+      return None
+
+    def _MockGetDEPSRollsDict(*_):
+      return {}
+
+    def _MockFindItForCrash(*_):
+      return []
+
+    self.mock(chromium_deps, 'GetChromeDependency', _MockGetChromeDependency)
+    self.mock(fracas_parser.FracasParser, 'Parse', _MockParse)
+    self.mock(detect_regression_range, 'DetectRegressionRange',
+              _MockDetectRegressionRange)
+    self.mock(chromium_deps, 'GetDEPSRollsDict', _MockGetDEPSRollsDict)
+    self.mock(findit_for_crash, 'FindItForCrash', _MockFindItForCrash)
+
+    expected_results = {
+        'found': False,
+        'suspected_project': '',
+        'suspected_components': [],
+        'culprits': [],
+    }
+
+    expected_tag = {
+        'found_suspects': False,
+        'has_regression_range': True,
+        'solution': 'core_algorithm',
+    }
+
+    results, tag = fracas.FindCulpritForChromeCrash(
+        'signature', 'win', 'frame1\nframe2', '50.0.1234.0',
+        [{'chrome_version': '50.0.1234.0', 'cpm': 0.6}])
+
+    self.assertEqual(expected_results, results)
+    self.assertEqual(expected_tag, tag)
+
+    results, tag = fracas.FindCulpritForChromeCrash(
+        'signature', 'win', 'frame1\nframe2', '50.0.1234.0', [])
+
+    expected_tag['has_regression_range'] = False
+    self.assertEqual(expected_tag, tag)