summaryrefslogtreecommitdiffstats
path: root/PRESUBMIT_test_mocks.py
blob: 8e15d8cf53d37ee1c60c5d8c05d0ea819598426e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
# 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 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):
    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

  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]


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