# 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.platform = sys.platform
self.python_executable = sys.executable
self.platform = sys.platform
self.subprocess = subprocess
self.files = []
self.is_committing = False
self.change = MockChange([])

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

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

def LocalPaths(self):
return self.files

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

def ReadFile(self, filename, mode='rU'):
if hasattr(filename, 'AbsoluteLocalPath'):
filename = filename.AbsoluteLocalPath()
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

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 PresubmitPromptWarning(PresubmitResult):
def __init__(self, message, items=None, long_text=''):
MockOutputApi.PresubmitResult.__init__(self, message, items, long_text)
self.type = 'warning'

class PresubmitNotifyResult(PresubmitResult):
def __init__(self, message, items=None, long_text=''):
MockOutputApi.PresubmitResult.__init__(self, message, items, long_text)
self.type = 'notify'

class PresubmitPromptOrNotify(PresubmitResult):
def __init__(self, message, items=None, 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, action='A'):
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._scm_diff = "--- /dev/null\n+++ %s\n@@ -0,0 +1,%d @@\n" % (local_path,
len(new_contents))
for l in new_contents:
self._scm_diff += "+%s\n" % l

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 GenerateScmDiff(self):
return self._scm_diff

def rfind(self, p):
"""os.path.basename is called on MockFile so we need an rfind method."""
return self._local_path.rfind(p)

def __getitem__(self, i):
"""os.path.basename is called on MockFile so we need a get method."""
return self._local_path[i]

def __len__(self):
"""os.path.basename is called on MockFile so we need a len method."""
return len(self._local_path)


class MockAffectedFile(MockFile):
def AbsoluteLocalPath(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

def AffectedFiles(self, include_dirs=False, include_deletes=True,
file_filter=None):
return self._changed_files