[Android] Remove host-driven test framework.

build/android/pylib/host_driven/setup.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.
-
-"""Setup for instrumentation host-driven tests."""
-
-import logging
-import os
-import sys
-import types
-
-from pylib.host_driven import test_case
-from pylib.host_driven import test_info_collection
-from pylib.host_driven import test_runner
-
-
-def _GetPythonFiles(root, files):
-  """Returns all files from |files| that end in 'Test.py'.
-
-  Args:
-    root: A directory name with python files.
-    files: A list of file names.
-
-  Returns:
-    A list with all python files that match the testing naming scheme.
-  """
-  return [os.path.join(root, f) for f in files if f.endswith('Test.py')]
-
-
-def _InferImportNameFromFile(python_file):
-  """Given a file, infer the import name for that file.
-
-  Example: /usr/foo/bar/baz.py -> baz.
-
-  Args:
-    python_file: Path to the Python file, ostensibly to import later.
-
-  Returns:
-    The module name for the given file.
-  """
-  return os.path.splitext(os.path.basename(python_file))[0]
-
-
-def _GetTestModules(host_driven_test_root, is_official_build):
-  """Retrieve a list of python modules that match the testing naming scheme.
-
-  Walks the location of host-driven tests, imports them, and provides the list
-  of imported modules to the caller.
-
-  Args:
-    host_driven_test_root: The path to walk, looking for the
-        pythonDrivenTests or host_driven_tests directory
-    is_official_build: Whether to run only those tests marked 'official'
-
-  Returns:
-    A list of python modules under |host_driven_test_root| which match the
-    testing naming scheme. Each module should define one or more classes that
-    derive from HostDrivenTestCase.
-  """
-  # By default run all host-driven tests under pythonDrivenTests or
-  # host_driven_tests.
-  host_driven_test_file_list = []
-  for root, _, files in os.walk(host_driven_test_root):
-    if (root.endswith('host_driven_tests') or
-        root.endswith('pythonDrivenTests') or
-        (is_official_build and (root.endswith('pythonDrivenTests/official') or
-                                root.endswith('host_driven_tests/official')))):
-      host_driven_test_file_list += _GetPythonFiles(root, files)
-  host_driven_test_file_list.sort()
-
-  test_module_list = [_GetModuleFromFile(test_file)
-                      for test_file in host_driven_test_file_list]
-  return test_module_list
-
-
-def _GetModuleFromFile(python_file):
-  """Gets the python module associated with a file by importing it.
-
-  Args:
-    python_file: File to import.
-
-  Returns:
-    The module object.
-  """
-  sys.path.append(os.path.dirname(python_file))
-  import_name = _InferImportNameFromFile(python_file)
-  return __import__(import_name)
-
-
-def _GetTestsFromClass(test_case_class, **kwargs):
-  """Returns one test object for each test method in |test_case_class|.
-
-  Test methods are methods on the class which begin with 'test'.
-
-  Args:
-    test_case_class: Class derived from HostDrivenTestCase which contains zero
-        or more test methods.
-    kwargs: Keyword args to pass into the constructor of test cases.
-
-  Returns:
-    A list of test case objects, each initialized for a particular test method.
-  """
-  test_names = [m for m in dir(test_case_class)
-                if _IsTestMethod(m, test_case_class)]
-  return [test_case_class(name, **kwargs) for name in test_names]
-
-
-def _GetTestsFromModule(test_module, **kwargs):
-  """Gets a list of test objects from |test_module|.
-
-  Args:
-    test_module: Module from which to get the set of test methods.
-    kwargs: Keyword args to pass into the constructor of test cases.
-
-  Returns:
-    A list of test case objects each initialized for a particular test method
-    defined in |test_module|.
-  """
-
-  tests = []
-  for name in dir(test_module):
-    attr = getattr(test_module, name)
-    if _IsTestCaseClass(attr):
-      tests.extend(_GetTestsFromClass(attr, **kwargs))
-  return tests
-
-
-def _IsTestCaseClass(test_class):
-  return (type(test_class) is types.TypeType and
-          issubclass(test_class, test_case.HostDrivenTestCase) and
-          test_class is not test_case.HostDrivenTestCase)
-
-
-def _IsTestMethod(attrname, test_case_class):
-  """Checks whether this is a valid test method.
-
-  Args:
-    attrname: The method name.
-    test_case_class: The test case class.
-
-  Returns:
-    True if test_case_class.'attrname' is callable and it starts with 'test';
-    False otherwise.
-  """
-  attr = getattr(test_case_class, attrname)
-  return callable(attr) and attrname.startswith('test')
-
-
-def _GetAllTests(test_root, is_official_build, **kwargs):
-  """Retrieve a list of host-driven tests defined under |test_root|.
-
-  Args:
-    test_root: Path which contains host-driven test files.
-    is_official_build: Whether this is an official build.
-    kwargs: Keyword args to pass into the constructor of test cases.
-
-  Returns:
-    List of test case objects, one for each available test method.
-  """
-  if not test_root:
-    return []
-  all_tests = []
-  test_module_list = _GetTestModules(test_root, is_official_build)
-  for module in test_module_list:
-    all_tests.extend(_GetTestsFromModule(module, **kwargs))
-  return all_tests
-
-
-def InstrumentationSetup(host_driven_test_root, official_build,
-                         instrumentation_options):
-  """Creates a list of host-driven instrumentation tests and a runner factory.
-
-  Args:
-    host_driven_test_root: Directory where the host-driven tests are.
-    official_build: True if this is an official build.
-    instrumentation_options: An InstrumentationOptions object.
-
-  Returns:
-    A tuple of (TestRunnerFactory, tests).
-  """
-
-  test_collection = test_info_collection.TestInfoCollection()
-  all_tests = _GetAllTests(
-      host_driven_test_root, official_build,
-      instrumentation_options=instrumentation_options)
-  test_collection.AddTests(all_tests)
-
-  available_tests = test_collection.GetAvailableTests(
-      instrumentation_options.annotations,
-      instrumentation_options.exclude_annotations,
-      instrumentation_options.test_filter)
-  logging.debug('All available tests: ' + str(
-      [t.tagged_name for t in available_tests]))
-
-  def TestRunnerFactory(device, shard_index):
-    return test_runner.HostDrivenTestRunner(
-        device, shard_index,
-        instrumentation_options.tool)
-
-  return (TestRunnerFactory, available_tests)