# Copyright 2014 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.

import json
import os
import re
import subprocess
import sys


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.json = json
self.re = re
self.os_path = os.path
self.python_executable = sys.executable
self.subprocess = subprocess
self.files = []
self.is_committing = False
self.change = MockChange([])

def AffectedFiles(self, file_filter=None):
return self.files

def PresubmitLocalPath(self):
return os.path.dirname(__file__)

def ReadFile(self, filename, mode='rU'):
for file_ in self.files:
if file_.LocalPath() == filename:
return '\n'.join(file_.NewContents())
# 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

class PresubmitError(PresubmitResult):
def __init__(self, message, items, long_text=''):
MockOutputApi.PresubmitResult.__init__(self, message, items, long_text)
self.type = 'error'

class PresubmitPromptWarning(PresubmitResult):
def __init__(self, message, items, long_text=''):
MockOutputApi.PresubmitResult.__init__(self, message, items, long_text)
self.type = 'warning'

class PresubmitNotifyResult(PresubmitResult):
def __init__(self, message, items, long_text=''):
MockOutputApi.PresubmitResult.__init__(self, message, items, long_text)
self.type = 'notify'

class PresubmitPromptOrNotify(PresubmitResult):
def __init__(self, message, items, long_text=''):
MockOutputApi.PresubmitResult.__init__(self, message, items, long_text)
self.type = 'promptOrNotify'


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):
self._local_path = local_path
self._new_contents = new_contents
self._changed_contents = [(i + 1, l) for i, l in enumerate(new_contents)]

def ChangedContents(self):
return self._changed_contents

def NewContents(self):
return self._new_contents

def LocalPath(self):
return self._local_path


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):
self._changed_files = changed_files

def LocalPaths(self):
return self._changed_files