tests/utils/python/tap/adapter.py

   1 # SPDX-License-Identifier: BSD-2-Clause
   2 #
   3 # Copyright (c) 2016, Matt Layman
   4
   5
   6 class Adapter(object):
   7     """The adapter processes a TAP test line and updates a unittest result.
   8
   9     It is an alternative to TestCase to collect TAP results.
  10     """
  11
  12     failureException = AssertionError
  13
  14     def __init__(self, filename, line):
  15         self._filename = filename
  16         self._line = line
  17
  18     def shortDescription(self):
  19         """Get the short description for verbeose results."""
  20         return self._line.description
  21
  22     def __call__(self, result):
  23         """Update test result with the lines in the TAP file.
  24
  25         Provide the interface that TestCase provides to a suite or runner.
  26         """
  27         result.startTest(self)
  28
  29         if self._line.skip:
  30             result.addSkip(None, self._line.directive.reason)
  31             return
  32
  33         if self._line.todo:
  34             if self._line.ok:
  35                 result.addUnexpectedSuccess(self)
  36             else:
  37                 result.addExpectedFailure(self, (Exception, Exception(), None))
  38             return
  39
  40         if self._line.ok:
  41             result.addSuccess(self)
  42         else:
  43             self.addFailure(result)
  44
  45     def addFailure(self, result):
  46         """Add a failure to the result."""
  47         result.addFailure(self, (Exception, Exception(), None))
  48         # Since TAP will not provide assertion data, clean up the assertion
  49         # section so it is not so spaced out.
  50         test, err = result.failures[-1]
  51         result.failures[-1] = (test, '')
  52
  53     def __repr__(self):
  54         return '<file={filename}>'.format(filename=self._filename)