Adding AvailabilityFinder to Doc Server

chrome/common/extensions/docs/server2/test_branch_utility.py

 # Copyright 2013 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 branch_utility import BranchUtility, ChannelInfo
+from test_data.canned_data import (CANNED_BRANCHES, CANNED_CHANNELS)
 
 class TestBranchUtility(object):
   '''Mimics BranchUtility to return valid-ish data without needing omahaproxy
   data.
   '''
+  def __init__(self, branches, channels):
+    ''' Parameters: |branches| is a mapping of versions to branches, and
+    |channels| is a mapping of channels to versions.
+    '''
+    self._branches = branches
+    self._channels = channels
+
+  @staticmethod
+  def CreateWithCannedData():
+    '''Returns a TestBranchUtility that uses 'canned' test data pulled from
+    older branches of SVN data.
+    '''
+    return TestBranchUtility(CANNED_BRANCHES, CANNED_CHANNELS)
+
   def GetAllChannelInfo(self):
     return [self.GetChannelInfo(channel)
             for channel in BranchUtility.GetAllChannelNames()]
 
   def GetChannelInfo(self, channel):
-    return ChannelInfo(channel,
-                       'fakebranch-%s' % channel,
-                       'fakeversion-%s' % channel)
+    version = self._channels[channel]
+    return ChannelInfo(channel, self.GetBranchForVersion(version), version)
 
   def GetBranchForVersion(self, version):
-    return 'fakebranch-%s' % version
+    return self._branches[version]
+
+  def GetChannelForVersion(self, version):
+    for channel in self._channels.iterkeys():
+      if self._channels[channel] == version:
+        return channel