Revert of Bot update cleanup

tests/bot_update_coverage_test.py

-#!/usr/bin/env python
-# Copyright (c) 2015 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 codecs
-import copy
-import json
-import os
-import sys
-import unittest
-
-ROOT_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
-RESOURCE_DIR = os.path.join(
-    ROOT_DIR, 'recipe_modules', 'bot_update', 'resources')
-
-sys.path.insert(0, RESOURCE_DIR)
-sys.platform = 'linux2'  # For consistency, ya know?
-import bot_update
-
-DEFAULT_PARAMS = {
-    'solutions': [{
-        'name': 'somename',
-        'url': 'https://fake.com'
-    }],
-    'revisions': [],
-    'first_sln': 'somename',
-    'target_os': None,
-    'target_os_only': None,
-    'patch_root': None,
-    'issue': None,
-    'patchset': None,
-    'patch_url': None,
-    'rietveld_server': None,
-    'gerrit_ref': None,
-    'gerrit_repo': None,
-    'revision_mapping': {},
-    'apply_issue_email_file': None,
-    'apply_issue_key_file': None,
-    'buildspec': False,
-    'gyp_env': None,
-    'shallow': False,
-    'runhooks': False,
-    'refs': [],
-    'git_cache_dir': 'fake_cache_dir'
-}
-
-
-class MockedPopen(object):
-  """A fake instance of a called subprocess.
-
-  This is meant to be used in conjunction with MockedCall.
-  """
-  def __init__(self, args=None, kwargs=None):
-    self.args = args or []
-    self.kwargs = kwargs or {}
-    self.return_value = None
-    self.fails = False
-
-  def returns(self, rv):
-    """Set the return value when this popen is called.
-
-    rv can be a string, or a callable (eg function).
-    """
-    self.return_value = rv
-    return self
-
-  def check(self, args, kwargs):
-    """Check to see if the given args/kwargs call match this instance.
-
-    This does a partial match, so that a call to "git clone foo" will match
-    this instance if this instance was recorded as "git clone"
-    """
-    if any(input_arg != expected_arg
-           for (input_arg, expected_arg) in zip(args, self.args)):
-      return False
-    return self.return_value
-
-  def __call__(self, args, kwargs):
-    """Actually call this popen instance."""
-    if hasattr(self.return_value, '__call__'):
-      return self.return_value(*args, **kwargs)
-    return self.return_value
-
-
-class MockedCall(object):
-  """A fake instance of bot_update.call().
-
-  This object is pre-seeded with "answers" in self.expectations.  The type
-  is a MockedPopen object, or any object with a __call__() and check() method.
-  The check() method is used to check to see if the correct popen object is
-  chosen (can be a partial match, eg a "git clone" popen module would match
-  a "git clone foo" call).
-  By default, if no answers have been pre-seeded, the call() returns successful
-  with an empty string.
-  """
-  def __init__(self, fake_filesystem):
-    self.expectations = []
-    self.records = []
-
-  def expect(self, args=None, kwargs=None):
-    args = args or []
-    kwargs = kwargs or {}
-    popen = MockedPopen(args, kwargs)
-    self.expectations.append(popen)
-    return popen
-
-  def __call__(self, *args, **kwargs):
-    self.records.append((args, kwargs))
-    for popen in self.expectations:
-      if popen.check(args, kwargs):
-        self.expectations.remove(popen)
-        return popen(args, kwargs)
-    return ''
-
-
-class MockedGclientSync():
-  """A class producing a callable instance of gclient sync.
-
-  Because for bot_update, gclient sync also emits an output json file, we need
-  a callable object that can understand where the output json file is going, and
-  emit a (albite) fake file for bot_update to consume.
-  """
-  def __init__(self, fake_filesystem):
-    self.output = {}
-    self.fake_filesystem = fake_filesystem
-
-  def __call__(self, *args, **_):
-    output_json_index = args.index('--output-json') + 1
-    with self.fake_filesystem.open(args[output_json_index], 'w') as f:
-      json.dump(self.output, f)
-
-
-class FakeFile():
-  def __init__(self):
-    self.contents = ''
-
-  def write(self, buf):
-    self.contents += buf
-
-  def read(self):
-    return self.contents
-
-  def __enter__(self):
-    return self
-
-  def __exit__(self, _, __, ___):
-    pass
-
-
-class FakeFilesystem():
-  def __init__(self):
-    self.files = {}
-
-  def open(self, target, mode='r', encoding=None):
-    if 'w' in mode:
-      self.files[target] = FakeFile()
-      return self.files[target]
-    return self.files[target]
-
-
-def fake_git(*args, **kwargs):
-  return bot_update.call('git', *args, **kwargs)
-
-
-class EnsureCheckoutUnittests(unittest.TestCase):
-  def setUp(self):
-    self.filesystem = FakeFilesystem()
-    self.call = MockedCall(self.filesystem)
-    self.gclient = MockedGclientSync(self.filesystem)
-    self.call.expect(('gclient', 'sync')).returns(self.gclient)
-    self.old_call = getattr(bot_update, 'call')
-    self.params = copy.deepcopy(DEFAULT_PARAMS)
-    setattr(bot_update, 'call', self.call)
-    setattr(bot_update, 'git', fake_git)
-
-    self.old_os_cwd = os.getcwd
-    setattr(os, 'getcwd', lambda: '/b/build/slave/foo/build')
-
-    setattr(bot_update, 'open', self.filesystem.open)
-    self.old_codecs_open = codecs.open
-    setattr(codecs, 'open', self.filesystem.open)
-
-  def tearDown(self):
-    setattr(bot_update, 'call', self.old_call)
-    setattr(os, 'getcwd', self.old_os_cwd)
-    delattr(bot_update, 'open')
-    setattr(codecs, 'open', self.old_codecs_open)
-
-  def testBasic(self):
-    bot_update.ensure_checkout(**self.params)
-    return self.call.records
-
-  def testBasicBuildspec(self):
-    self.params['buildspec'] = bot_update.BUILDSPEC_TYPE(
-        container='branches',
-        version='1.1.1.1'
-    )
-    bot_update.ensure_checkout(**self.params)
-    return self.call.records
-
-  def testBasicShallow(self):
-    self.params['shallow'] = True
-    bot_update.ensure_checkout(**self.params)
-    return self.call.records
-
-  def testBasicSVNPatch(self):
-    self.params['patch_url'] = 'svn://server.com/patch.diff'
-    self.params['patch_root'] = 'somename'
-    bot_update.ensure_checkout(**self.params)
-    return self.call.records
-
-  def testBasicRietveldPatch(self):
-    self.params['issue'] = '12345'
-    self.params['patchset'] = '1'
-    self.params['rietveld_server'] = 'https://rietveld.com'
-    self.params['patch_root'] = 'somename'
-    bot_update.ensure_checkout(**self.params)
-    return self.call.records
-
-
-class SolutionsUnittests(unittest.TestCase):
-  def testBasicSVN(self):
-    sln = [{
-      'name': 'src',
-      'url': 'svn://svn-mirror.golo.chromium.org/chrome/trunk/src'
-    }, {
-      'name': 'git',
-      'url': 'https://abc.googlesource.com/foo.git'
-    }]
-    git_slns, root, buildspec = bot_update.solutions_to_git(sln)
-    self.assertEquals(root, '/chrome/trunk/src')
-    self.assertEquals(git_slns, [{
-      'deps_file': '.DEPS.git',
-      'managed': False,
-      'name': 'src',
-      'url': 'https://chromium.googlesource.com/chromium/src.git'
-    }, {
-      'url': 'https://abc.googlesource.com/foo.git',
-      'managed': False,
-      'name': 'git'
-    }])
-    self.assertFalse(buildspec)
-    bot_update.solutions_printer(git_slns)
-
-  def testBasicBuildspec(self):
-    sln = [{
-      'name': 'buildspec',
-      'url': ('svn://svn.chromium.org/chrome-internal/'
-              'trunk/tools/buildspec/releases/1234'),
-    }]
-    git_slns, root, buildspec = bot_update.solutions_to_git(sln)
-    self.assertEquals(
-        buildspec,
-        bot_update.BUILDSPEC_TYPE(container='releases', version='1234'))
-    self.assertEquals(
-        root, '/chrome-internal/trunk/tools/buildspec/releases/1234')
-    self.assertEquals(git_slns[0]['deps_file'], 'releases/1234/DEPS')
-
-if __name__ == '__main__':
-  unittest.main()