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# Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
#
# Use of this source code is governed by a BSD-style license
# that can be found in the LICENSE file in the root of the source
# tree. An additional intellectual property rights grant can be found
# in the file PATENTS. All contributing project authors may
# be found in the AUTHORS file in the root of the source tree.
# This file is inspired to [1].
# [1] - https://cs.chromium.org/chromium/src/PRESUBMIT_test_mocks.py
import os.path
import re
class MockInputApi(object):
"""Mock class for the InputApi class.
This class can be used for unittests for presubmit by initializing the files
attribute as the list of changed files.
"""
def __init__(self):
self.change = MockChange([], [])
self.files = []
self.presubmit_local_path = os.path.dirname(__file__)
def AffectedSourceFiles(self, file_filter=None):
return self.AffectedFiles(file_filter=file_filter)
def AffectedFiles(self, file_filter=None, include_deletes=False):
# pylint: disable=unused-argument
return self.files
@classmethod
def FilterSourceFile(cls, affected_file, white_list=(), black_list=()):
# pylint: disable=unused-argument
return True
def PresubmitLocalPath(self):
return self.presubmit_local_path
def ReadFile(self, affected_file, mode='rU'):
filename = affected_file.AbsoluteLocalPath()
for f in self.files:
if f.LocalPath() == filename:
with open(filename, mode) as f:
return f.read()
# Otherwise, file is not in our mock API.
raise IOError, "No such file or directory: '%s'" % filename
class MockOutputApi(object):
"""Mock class for the OutputApi class.
An instance of this class can be passed to presubmit unittests for outputing
various types of results.
"""
class PresubmitResult(object):
def __init__(self, message, items=None, long_text=''):
self.message = message
self.items = items
self.long_text = long_text
def __repr__(self):
return self.message
class PresubmitError(PresubmitResult):
def __init__(self, message, items=None, long_text=''):
MockOutputApi.PresubmitResult.__init__(self, message, items, long_text)
self.type = 'error'
class MockChange(object):
"""Mock class for Change class.
This class can be used in presubmit unittests to mock the query of the
current change.
"""
def __init__(self, changed_files, bugs_from_description, tags=None):
self._changed_files = changed_files
self._bugs_from_description = bugs_from_description
self.tags = dict() if not tags else tags
def BugsFromDescription(self):
return self._bugs_from_description
def __getattr__(self, attr):
"""Return tags directly as attributes on the object."""
if not re.match(r"^[A-Z_]*$", attr):
raise AttributeError(self, attr)
return self.tags.get(attr)
class MockFile(object):
"""Mock class for the File class.
This class can be used to form the mock list of changed files in
MockInputApi for presubmit unittests.
"""
def __init__(self, local_path, new_contents=None, old_contents=None,
action='A'):
if new_contents is None:
new_contents = ["Data"]
self._local_path = local_path
self._new_contents = new_contents
self._changed_contents = [(i + 1, l) for i, l in enumerate(new_contents)]
self._action = action
self._old_contents = old_contents
def Action(self):
return self._action
def ChangedContents(self):
return self._changed_contents
def NewContents(self):
return self._new_contents
def LocalPath(self):
return self._local_path
def AbsoluteLocalPath(self):
return self._local_path
def OldContents(self):
return self._old_contents