[Findit] Enable project classifier and component classifier

appengine/findit/crash/test/component_classifier_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.pipeline_wrapper import pipeline_handlers
+from crash.callstack import StackFrame, CallStack
+from crash.component_classifier import ComponentClassifier
+from crash.results import Result
+from crash.test.crash_testcase import CrashTestCase
+from model.crash.crash_config import CrashConfig
+
+
+class ComponentClassifierTest(CrashTestCase):
+
+  def testGetClassFromStackFrame(self):
+    frame = StackFrame(0, 'src/', 'func', 'comp1.cc', 'src/comp1.cc', [2])
+    self.assertEqual(
+        ComponentClassifier().GetClassFromStackFrame(frame),
+        'Comp1>Dummy')
+
+    frame = StackFrame(0, 'src/', 'func2', 'comp2.cc', 'src/comp2.cc', [32])
+    self.assertEqual(
+        ComponentClassifier().GetClassFromStackFrame(frame),
+        'Comp2>Dummy')
+
+    frame = StackFrame(0, 'src/', 'no_func', 'comp2.cc', 'src/comp2.cc', [32])
+    self.assertEqual(
+        ComponentClassifier().GetClassFromStackFrame(frame),
+        '')
+
+    frame = StackFrame(0, 'src/', 'func2', 'a.cc', 'src/a.cc', [6])
+    self.assertEqual(
+        ComponentClassifier().GetClassFromStackFrame(frame),
+        '')
+
+  def testGetClassFromResult(self):
+    result = Result(self.GetDummyChangeLog(), 'src/')
+    self.assertEqual(ComponentClassifier().GetClassFromResult(result),
+                 '')
+
+    result.file_to_stack_infos = {
+        'comp1.cc': [
+            (StackFrame(0, 'src/', 'func', 'comp1.cc', 'src/comp1.cc', [2]), 0)
+        ]
+    }
+    self.assertEqual(ComponentClassifier().GetClassFromResult(result),
+                     'Comp1>Dummy')
+
+  def testClassifyCrashStack(self):
+    crash_stack = CallStack(0)
+    crash_stack.extend([
+        StackFrame(0, 'src/', 'func', 'comp1.cc', 'src/comp1.cc', [2]),
+        StackFrame(1, 'src/', 'ff', 'comp1.cc', 'src/comp1.cc', [21]),
+        StackFrame(2, 'src/', 'func2', 'comp2.cc', 'src/comp2.cc', [8])
+    ])
+
+    self.assertEqual(ComponentClassifier().Classify([], crash_stack),
+                     ['Comp1>Dummy', 'Comp2>Dummy'])
+
+  def testClassifyResults(self):
+    result = Result(self.GetDummyChangeLog(), 'src/')
+    result.file_to_stack_infos = {
+        'comp1.cc': [
+            (StackFrame(0, 'src/', 'func', 'comp1.cc', 'src/comp1.cc', [2]), 0)
+        ]
+    }
+
+    self.assertEqual(ComponentClassifier().Classify([result], CallStack(0)),
+                     ['Comp1>Dummy'])
+
+  def testClassifierDoNotHaveConfig(self):
+    crash_config = CrashConfig.Get()
+    crash_config.component_classifier = {}
+
+    crash_stack = CallStack(0)
+    crash_stack.extend([
+        StackFrame(0, 'src/', 'func', 'comp1.cc', 'src/comp1.cc', [2]),
+        StackFrame(1, 'src/', 'ff', 'comp1.cc', 'src/comp1.cc', [21]),
+        StackFrame(2, 'src/', 'func2', 'comp2.cc', 'src/comp2.cc', [8])
+    ])
+
+    result = Result(self.GetDummyChangeLog(), 'src/')
+    result.file_to_stack_infos = {
+        'comp1.cc': [
+            (StackFrame(0, 'src/', 'func', 'comp1.cc', 'src/comp1.cc', [2]), 0)
+        ]
+    }
+
+    self.assertEqual(ComponentClassifier().Classify([result], crash_stack),
+                     [])