Add a snapshot of flutter/engine/src/build to our sdk

build/android/pylib/gtest/test_package_exe.py

Index: build/android/pylib/gtest/test_package_exe.py
diff --git a/build/android/pylib/gtest/test_package_exe.py b/build/android/pylib/gtest/test_package_exe.py
new file mode 100644
index 0000000000000000000000000000000000000000..87071b5bd4c186352b1971445f6573cdbcc78a76
--- /dev/null
+++ b/build/android/pylib/gtest/test_package_exe.py
@@ -0,0 +1,163 @@
+# 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 posixpath
+import sys
+import tempfile
+
+from pylib import cmd_helper
+from pylib import constants
+from pylib import pexpect
+from pylib.device import device_errors
+from pylib.gtest import gtest_test_instance
+from pylib.gtest.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, suite_name):
+    """
+    Args:
+      suite_name: Name of the test suite (e.g. base_unittests).
+    """
+    TestPackage.__init__(self, suite_name)
+    self.suite_path = os.path.join(constants.GetOutDirectory(), suite_name)
+    self._symbols_dir = os.path.join(constants.GetOutDirectory(),
+                                     'lib.target')
+
+  #override
+  def GetGTestReturnCode(self, device):
+    ret = None
+    ret_code = 1  # Assume failure if we can't find it
+    ret_code_file = tempfile.NamedTemporaryFile()
+    try:
+      if not device.PullFile(
+          constants.TEST_EXECUTABLE_DIR + '/' +
+          TestPackageExecutable._TEST_RUNNER_RET_VAL_FILE,
+          ret_code_file.name):
+        logging.critical('Unable to pull gtest ret val file %s',
+                         ret_code_file.name)
+        raise ValueError
+      ret_code = file(ret_code_file.name).read()
+      ret = int(ret_code)
+    except ValueError:
+      logging.critical('Error reading gtest ret val file %s [%s]',
+                       ret_code_file.name, ret_code)
+      ret = 1
+    return ret
+
+  @staticmethod
+  def _AddNativeCoverageExports(device):
+    # export GCOV_PREFIX set the path for native coverage results
+    # export GCOV_PREFIX_STRIP indicates how many initial directory
+    #                          names to strip off the hardwired absolute paths.
+    #                          This value is calculated in buildbot.sh and
+    #                          depends on where the tree is built.
+    # Ex: /usr/local/google/code/chrome will become
+    #     /code/chrome if GCOV_PREFIX_STRIP=3
+    try:
+      depth = os.environ['NATIVE_COVERAGE_DEPTH_STRIP']
+      export_string = ('export GCOV_PREFIX="%s/gcov"\n' %
+                       device.GetExternalStoragePath())
+      export_string += 'export GCOV_PREFIX_STRIP=%s\n' % depth
+      return export_string
+    except KeyError:
+      logging.info('NATIVE_COVERAGE_DEPTH_STRIP is not defined: '
+                   'No native coverage.')
+      return ''
+    except device_errors.CommandFailedError:
+      logging.info('No external storage found: No native coverage.')
+      return ''
+
+  #override
+  def ClearApplicationState(self, device):
+    device.KillAll(self.suite_name, blocking=True, timeout=30, quiet=True)
+
+  #override
+  def CreateCommandLineFileOnDevice(self, device, 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 LD_LIBRARY_PATH=%s/%s_deps %s/%s --gtest_filter=%s %s\n'
+        'echo $? > %s' %
+        (constants.TEST_EXECUTABLE_DIR,
+         self._AddNativeCoverageExports(device),
+         tool_wrapper,
+         constants.TEST_EXECUTABLE_DIR,
+         self.suite_name,
+         constants.TEST_EXECUTABLE_DIR,
+         self.suite_name,
+         test_filter, test_arguments,
+         TestPackageExecutable._TEST_RUNNER_RET_VAL_FILE))
+    sh_script_file.flush()
+    cmd_helper.RunCmd(['chmod', '+x', sh_script_file.name])
+    device.PushChangedFiles([(
+        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, device):
+    lib_path = posixpath.join(
+        constants.TEST_EXECUTABLE_DIR, '%s_deps' % self.suite_name)
+
+    cmd = []
+    if self.tool.GetTestWrapper():
+      cmd.append(self.tool.GetTestWrapper())
+    cmd.extend([
+        posixpath.join(constants.TEST_EXECUTABLE_DIR, self.suite_name),
+        '--gtest_list_tests'])
+
+    output = device.RunShellCommand(
+        cmd, check_return=True, env={'LD_LIBRARY_PATH': lib_path})
+    return gtest_test_instance.ParseGTestListTests(output)
+
+  #override
+  def SpawnTestProcess(self, device):
+    args = ['adb', '-s', str(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, device):
+    if self.tool.NeedsDebugInfo():
+      target_name = self.suite_path
+    else:
+      target_name = self.suite_path + '_stripped'
+      if not os.path.isfile(target_name):
+        raise Exception('Did not find %s, build target %s' %
+                        (target_name, self.suite_name + '_stripped'))
+
+      target_mtime = os.stat(target_name).st_mtime
+      source_mtime = os.stat(self.suite_path).st_mtime
+      if target_mtime < source_mtime:
+        raise Exception(
+            'stripped binary (%s, timestamp %d) older than '
+            'source binary (%s, timestamp %d), build target %s' %
+            (target_name, target_mtime, self.suite_path, source_mtime,
+             self.suite_name + '_stripped'))
+
+    test_binary_path = constants.TEST_EXECUTABLE_DIR + '/' + self.suite_name
+    device.PushChangedFiles([(target_name, test_binary_path)])
+    deps_path = self.suite_path + '_deps'
+    if os.path.isdir(deps_path):
+      device.PushChangedFiles([(deps_path, test_binary_path + '_deps')])
+
+  #override
+  def PullAppFiles(self, device, files, directory):
+    pass