[Android] Redesigns the sharder to allow replicated vs distributed tests

build/android/pylib/base/base_test_result.py

 # Copyright (c) 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.
 
 """Module containing base test results classes."""
 
 class ResultType(object):
   """Class enumerating test types."""
   PASS = 'PASS'
   FAIL = 'FAIL'
   CRASH = 'CRASH'
   TIMEOUT = 'TIMEOUT'
   UNKNOWN = 'UNKNOWN'
 
   @staticmethod
   def GetTypes():
     """Get a list of all test types."""
     return [ResultType.PASS, ResultType.FAIL, ResultType.CRASH,
             ResultType.TIMEOUT, ResultType.UNKNOWN]
 
 
 class BaseTestResult(object):
   """Base class for a single test result."""
 
-  def __init__(self, name, test_type, log=''):
+  def __init__(self, name, test_type, tag='', log=''):
     """Construct a BaseTestResult.
 
     Args:
       name: Name of the test which defines uniqueness.
       test_type: Type of the test result as defined in ResultType.
       log: An optional string listing any errors.
     """
     assert name
     assert test_type in ResultType.GetTypes()
     self._name = name
     self._test_type = test_type
+    self._tag = tag
     self._log = log
 
   def __str__(self):
-    return self._name
+    return self.GetTaggedName()
 
   def __repr__(self):
-    return self._name
+    return self.GetTaggedName()
 
   def __cmp__(self, other):
     # pylint: disable=W0212
-    return cmp(self._name, other._name)
+    return cmp(self.GetTaggedName(), other.GetTaggedName())
 
   def __hash__(self):
-    return hash(self._name)
+    return hash(self.GetTaggedName())
+
+  def GetTaggedName(self):
+    """Get the test name with tag."""
+    if self._tag:
+      return '%s_%s' % (self._tag, self._name)
+    else:
+      return self._name
 
   def GetName(self):
     """Get the test name."""
     return self._name
 
   def GetType(self):
     """Get the test result type."""
     return self._test_type
 
+  def GetTag(self):
+    """Get the test tag."""
+    return self._tag
+
   def GetLog(self):
     """Get the test log."""
     return self._log
 
+  def SetTag(self, tag):
+    """Set the test tag."""
+    self._tag = tag
+
 
 class TestRunResults(object):
   """Set of results for a test run."""
 
   def __init__(self):
     self._results = set()
 
   def GetLogs(self):
     """Get the string representation of all test logs."""
     s = []
@@ skipping 85 matching lines @@
     """Get the set of all unknown test results."""
     return self._GetType(ResultType.UNKNOWN)
 
   def GetNotPass(self):
     """Get the set of all non-passed test results."""
     return self.GetAll() - self.GetPass()
 
   def DidRunPass(self):
     """Return whether the test run was successful."""
     return not self.GetNotPass()