[Findit] Enable project classifier and component classifier

appengine/findit/crash/test/crash_testcase.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 copy
+import re
+import pickle
+import zlib
 
 from google.appengine.api import users
 
+from common.change_log import ChangeLog
 from common.findit_testcase import FinditTestCase
 from model.crash.crash_config import CrashConfig
 
 
 DEFAULT_CONFIG_DATA = {
     'fracas': {
         'analysis_result_pubsub_topic': 'projects/project-name/topics/name',
         'supported_platform_list_by_channel': {
             'canary': ['win', 'mac', 'linux'],
             'supported_channel': ['supported_platform'],
         },
+    },
+    'compressed_component_classifier': zlib.compress(pickle.dumps({
+        "path_function_component": [
+            [
+              re.compile("src/comp1.*"),

[stgao, 2016/05/21 00:54:03]

This is an interesting idea. If they are compiled and saved in NDB, how should
we display them on the config page?

[Sharu Jiang, 2016/05/23 23:54:50]

I think we should still display them as strings and just do the compiling in the
background.

+              None,
+              "Comp1>Dummy"
+            ],
+            [
+              re.compile("src/comp2.*"),
+              re.compile("func2.*"),
+              "Comp2>Dummy"
+            ],
+        ],
+        "top_n": 4
+    })),
+    'project_classifier': {
+        "file_path_marker_to_project_name": {
+            "googleplex-android/": "android_os",
+        },
+        "function_marker_to_project_name": {
+            "org.chromium": "chromium",
+            "android.": "android_os",
+        },
+        "host_directories": [
+            "src/"
+        ],
+        "non_chromium_project_rank_priority": {
+            "android_os": "-1",
+            "others": "-2",
+        },
+        "top_n": 4
     }
 }
 
+DUMMY_CHANGELOG = ChangeLog.FromDict({
+    'author_name': 'r@chromium.org',
+    'message': 'dummy',
+    'committer_email': 'r@chromium.org',
+    'commit_position': 175900,
+    'author_email': 'r@chromium.org',
+    'touched_files': [
+        {
+            'change_type': 'add',
+            'new_path': 'a.cc',
+            'old_path': None,
+        },
+    ],
+    'author_time': 'Thu Mar 31 21:24:43 2016',
+    'committer_time': 'Thu Mar 31 21:28:39 2016',
+    'commit_url':
+        'https://repo.test/+/1',
+    'code_review_url': 'https://codereview.chromium.org/3281',
+    'committer_name': 'example@chromium.org',
+    'revision': '1',
+    'reverted_revision': None
+})
+
+
 class CrashTestCase(FinditTestCase):  # pragma: no cover.
 
   def setUp(self):
     super(CrashTestCase, self).setUp()
     CrashConfig.Get().Update(
         users.User(email='admin@chromium.org'), True, **DEFAULT_CONFIG_DATA)
 
-
+  def GetDummyChangeLog(self):
+    return DUMMY_CHANGELOG