File: test_lib.py

package info (click to toggle)
dfwinreg 20190122-1
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 5,820 kB
  • sloc: python: 2,586; sh: 121; makefile: 38
file content (55 lines) | stat: -rw-r--r-- 1,578 bytes parent folder | download
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
# -*- coding: utf-8 -*-
"""Windows Registry related functions and classes for testing."""

from __future__ import unicode_literals

import os
import sys
import unittest


def skipUnlessHasTestFile(path_segments):  # pylint: disable=invalid-name
  """Decorator to skip a test if the test file does not exist.

  Args:
    path_segments (list[str]): path segments inside the test data directory.

  Returns:
    function: to invoke.
  """
  fail_unless_has_test_file = getattr(
      unittest, 'fail_unless_has_test_file', False)

  path = os.path.join('test_data', *path_segments)
  if fail_unless_has_test_file or os.path.exists(path):
    return lambda function: function

  if sys.version_info[0] < 3:
    path = path.encode('utf-8')

  # Note that the message should be of type str which is different for
  # different versions of Python.
  return unittest.skip('missing test file: {0:s}'.format(path))


class BaseTestCase(unittest.TestCase):
  """The base test case."""

  _TEST_DATA_PATH = os.path.join(os.getcwd(), 'test_data')

  # Show full diff results, part of TestCase so does not follow our naming
  # conventions.
  maxDiff = None

  def _GetTestFilePath(self, path_segments):
    """Retrieves the path of a test file relative to the test data directory.

    Args:
      path_segments (list[str]): path segments inside the test data directory.

    Returns:
      str: a path of the test file.
    """
    # Note that we need to pass the individual path segments to os.path.join
    # and not a list.
    return os.path.join(self._TEST_DATA_PATH, *path_segments)