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

build/android/pylib/gtest/test_package_exe.py

 # Copyright (c) 2012 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.
 
 """Defines TestPackageExecutable to help run stand-alone executables."""
 
 import logging
 import os
 import shutil
 import sys
 import tempfile
 
 from pylib import cmd_helper
 from pylib import constants
 from pylib import pexpect
 
 from test_package import TestPackage
 
 
 class TestPackageExecutable(TestPackage):
   """A helper class for running stand-alone executables."""
 
   _TEST_RUNNER_RET_VAL_FILE = 'gtest_retval'
 
-  def __init__(self, adb, device, test_suite, tool, symbols_dir=None):
+  def __init__(self, adb, device, suite_path_full, tool, symbols_dir=None):
     """
     Args:
       adb: ADB interface the tests are using.
       device: Device to run the tests.
-      test_suite: A specific test suite to run, empty to run all.
+      suite_path_full: Absolute path to a specific test suite to run,
+          empty to run all.
       tool: Name of the Valgrind tool.
       symbols_dir: Directory to put the stripped binaries.
     """
-    TestPackage.__init__(self, adb, device, test_suite, tool)
+    TestPackage.__init__(self, adb, device, suite_path_full, tool)
     self.symbols_dir = symbols_dir
 
   def _GetTestSuiteBaseName(self):
-    """Returns the  base name of the test suite."""
-    return os.path.basename(self.test_suite)
+    """Returns the base name of the test suite."""
+    return os.path.basename(self.suite_path)
 
   #override
   def GetGTestReturnCode(self):
     ret = None
     ret_code = 1  # Assume failure if we can't find it
     ret_code_file = tempfile.NamedTemporaryFile()
     try:
       if not self.adb.Adb().Pull(
           constants.TEST_EXECUTABLE_DIR + '/' +
           TestPackageExecutable._TEST_RUNNER_RET_VAL_FILE,
@@ skipping 23 matching lines @@
       logging.info('NATIVE_COVERAGE_DEPTH_STRIP is not defined: '
                    'No native coverage.')
       return ''
     export_string = ('export GCOV_PREFIX="%s/gcov"\n' %
                      self.adb.GetExternalStorage())
     export_string += 'export GCOV_PREFIX_STRIP=%s\n' % depth
     return export_string
 
   #override
   def ClearApplicationState(self):
-    self.adb.KillAllBlocking(self.test_suite_basename, 30)
+    self.adb.KillAllBlocking(self.suite_basename, 30)
 
   #override
   def CreateCommandLineFileOnDevice(self, test_filter, test_arguments):
     tool_wrapper = self.tool.GetTestWrapper()
     sh_script_file = tempfile.NamedTemporaryFile()
     # We need to capture the exit status from the script since adb shell won't
     # propagate to us.
     sh_script_file.write('cd %s\n'
                          '%s'
                          '%s %s/%s --gtest_filter=%s %s\n'
                          'echo $? > %s' %
                          (constants.TEST_EXECUTABLE_DIR,
                           self._AddNativeCoverageExports(),
                           tool_wrapper, constants.TEST_EXECUTABLE_DIR,
-                          self.test_suite_basename,
+                          self.suite_basename,
                           test_filter, test_arguments,
                           TestPackageExecutable._TEST_RUNNER_RET_VAL_FILE))
     sh_script_file.flush()
     cmd_helper.RunCmd(['chmod', '+x', sh_script_file.name])
     self.adb.PushIfNeeded(
         sh_script_file.name,
         constants.TEST_EXECUTABLE_DIR + '/chrome_test_runner.sh')
     logging.info('Conents of the test runner script: ')
     for line in open(sh_script_file.name).readlines():
       logging.info('  ' + line.rstrip())
 
   #override
   def GetAllTests(self):
     all_tests = self.adb.RunShellCommand(
         '%s %s/%s --gtest_list_tests' %
         (self.tool.GetTestWrapper(),
          constants.TEST_EXECUTABLE_DIR,
-         self.test_suite_basename))
+         self.suite_basename))
     return self._ParseGTestListTests(all_tests)
 
   #override
   def SpawnTestProcess(self):
     args = ['adb', '-s', self.device, 'shell', 'sh',
             constants.TEST_EXECUTABLE_DIR + '/chrome_test_runner.sh']
     logging.info(args)
     return pexpect.spawn(args[0], args[1:], logfile=sys.stdout)
 
   #override
   def Install(self):
     if self.tool.NeedsDebugInfo():
-      target_name = self.test_suite
+      target_name = self.suite_path
     else:
-      target_name = self.test_suite + '_' + self.device + '_stripped'
+      target_name = self.suite_path + '_' + self.device + '_stripped'
       should_strip = True
       if os.path.isfile(target_name):
         logging.info('Found target file %s' % target_name)
         target_mtime = os.stat(target_name).st_mtime
-        source_mtime = os.stat(self.test_suite).st_mtime
+        source_mtime = os.stat(self.suite_path).st_mtime
         if target_mtime > source_mtime:
           logging.info('Target mtime (%d) is newer than source (%d), assuming '
                        'no change.' % (target_mtime, source_mtime))
           should_strip = False
 
       if should_strip:
         logging.info('Did not find up-to-date stripped binary. Generating a '
                      'new one (%s).' % target_name)
         # Whenever we generate a stripped binary, copy to the symbols dir. If we
         # aren't stripping a new binary, assume it's there.
         if self.symbols_dir:
           if not os.path.exists(self.symbols_dir):
             os.makedirs(self.symbols_dir)
-          shutil.copy(self.test_suite, self.symbols_dir)
+          shutil.copy(self.suite_path, self.symbols_dir)
         strip = os.environ['STRIP']
-        cmd_helper.RunCmd([strip, self.test_suite, '-o', target_name])
-    test_binary = constants.TEST_EXECUTABLE_DIR + '/' + self.test_suite_basename
+        cmd_helper.RunCmd([strip, self.suite_path, '-o', target_name])
+    test_binary = constants.TEST_EXECUTABLE_DIR + '/' + self.suite_basename
     self.adb.PushIfNeeded(target_name, test_binary)