Python doctests.DocTestCase方法代码示例

# 需要导入模块: from nose.plugins import doctests [as 别名]
# 或者: from nose.plugins.doctests import DocTestCase [as 别名]
def setUp(self):
        """Modified test setup that syncs with ipython namespace"""
        #print "setUp test", self._dt_test.examples # dbg
        if isinstance(self._dt_test.examples[0], IPExample):
            # for IPython examples *only*, we swap the globals with the ipython
            # namespace, after updating it with the globals (which doctest
            # fills with the necessary info from the module being tested).
            self.user_ns_orig = {}
            self.user_ns_orig.update(_ip.user_ns)
            _ip.user_ns.update(self._dt_test.globs)
            # We must remove the _ key in the namespace, so that Python's
            # doctest code sets it naturally
            _ip.user_ns.pop('_', None)
            _ip.user_ns['__builtins__'] = builtin_mod
            self._dt_test.globs = _ip.user_ns

        super(DocTestCase, self).setUp() 

# 需要导入模块: from nose.plugins import doctests [as 别名]
# 或者: from nose.plugins.doctests import DocTestCase [as 别名]
def makeTest(self, obj, parent):
        """Look for doctests in the given object, which will be a
        function, method or class.
        """
        #print 'Plugin analyzing:', obj, parent  # dbg
        # always use whitespace and ellipsis options
        optionflags = doctest.NORMALIZE_WHITESPACE | doctest.ELLIPSIS

        doctests = self.finder.find(obj, module=getmodule(parent))
        if doctests:
            for test in doctests:
                if len(test.examples) == 0:
                    continue

                yield DocTestCase(test, obj=obj,
                                  optionflags=optionflags,
                                  checker=self.checker) 

# 需要导入模块: from nose.plugins import doctests [as 别名]
# 或者: from nose.plugins.doctests import DocTestCase [as 别名]
def check_output(self, want, got, optionflags):
        ret = doctest.OutputChecker.check_output(self, want, got,
                                                 optionflags)
        if not ret:
            if "#random" in want:
                return True

            # it would be useful to normalize endianness so that
            # bigendian machines don't fail all the tests (and there are
            # actually some bigendian examples in the doctests). Let's try
            # making them all little endian
            got = got.replace("'>", "'<")
            want = want.replace("'>", "'<")

            # try to normalize out 32 and 64 bit default int sizes
            for sz in [4, 8]:
                got = got.replace("'<i%d'" % sz, "int")
                want = want.replace("'<i%d'" % sz, "int")

            ret = doctest.OutputChecker.check_output(self, want,
                    got, optionflags)

        return ret


# Subclass nose.plugins.doctests.DocTestCase to work around a bug in
# its constructor that blocks non-default arguments from being passed
# down into doctest.DocTestCase 

# 需要导入模块: from nose.plugins import doctests [as 别名]
# 或者: from nose.plugins.doctests import DocTestCase [as 别名]
def __init__(self, test, optionflags=0, setUp=None, tearDown=None,
                 checker=None, obj=None, result_var='_'):
        self._result_var = result_var
        self._nose_obj = obj
        doctest.DocTestCase.__init__(self, test,
                                     optionflags=optionflags,
                                     setUp=setUp, tearDown=tearDown,
                                     checker=checker) 

# 需要导入模块: from nose.plugins import doctests [as 别名]
# 或者: from nose.plugins.doctests import DocTestCase [as 别名]
def __init__(self, test, optionflags=0, setUp=None, tearDown=None,
                 checker=None, obj=None, result_var='_'):
        self._result_var = result_var
        doctests.DocTestCase.__init__(self, test,
                                      optionflags=optionflags,
                                      setUp=setUp, tearDown=tearDown,
                                      checker=checker)
        # Now we must actually copy the original constructor from the stdlib
        # doctest class, because we can't call it directly and a bug in nose
        # means it never gets passed the right arguments.

        self._dt_optionflags = optionflags
        self._dt_checker = checker
        self._dt_test = test
        self._dt_test_globs_ori = test.globs
        self._dt_setUp = setUp
        self._dt_tearDown = tearDown

        # XXX - store this runner once in the object!
        runner = IPDocTestRunner(optionflags=optionflags,
                                 checker=checker, verbose=False)
        self._dt_runner = runner


        # Each doctest should remember the directory it was loaded from, so
        # things like %run work without too many contortions
        self._ori_dir = os.path.dirname(test.filename)

    # Modified runTest from the default stdlib 

# 需要导入模块: from nose.plugins import doctests [as 别名]
# 或者: from nose.plugins.doctests import DocTestCase [as 别名]
def tearDown(self):

        # Undo the test.globs reassignment we made, so that the parent class
        # teardown doesn't destroy the ipython namespace
        if isinstance(self._dt_test.examples[0], IPExample):
            self._dt_test.globs = self._dt_test_globs_ori
            _ip.user_ns.clear()
            _ip.user_ns.update(self.user_ns_orig)

        # XXX - fperez: I am not sure if this is truly a bug in nose 0.11, but
        # it does look like one to me: its tearDown method tries to run
        #
        # delattr(builtin_mod, self._result_var)
        #
        # without checking that the attribute really is there; it implicitly
        # assumes it should have been set via displayhook.  But if the
        # displayhook was never called, this doesn't necessarily happen.  I
        # haven't been able to find a little self-contained example outside of
        # ipython that would show the problem so I can report it to the nose
        # team, but it does happen a lot in our code.
        #
        # So here, we just protect as narrowly as possible by trapping an
        # attribute error whose message would be the name of self._result_var,
        # and letting any other error propagate.
        try:
            super(DocTestCase, self).tearDown()
        except AttributeError as exc:
            if exc.args[0] != self._result_var:
                raise


# A simple subclassing of the original with a different class name, so we can
# distinguish and treat differently IPython examples from pure python ones. 

# 需要导入模块: from nose.plugins import doctests [as 别名]
# 或者: from nose.plugins.doctests import DocTestCase [as 别名]
def loadTestsFromModule(self, module):
        #print '*** ipdoctest - lTM',module  # dbg

        if not self.matches(module.__name__):
            log.debug("Doctest doesn't want module %s", module)
            return

        tests = self.finder.find(module,globs=self.globs,
                                 extraglobs=self.extraglobs)
        if not tests:
            return

        # always use whitespace and ellipsis options
        optionflags = doctest.NORMALIZE_WHITESPACE | doctest.ELLIPSIS

        tests.sort()
        module_file = module.__file__
        if module_file[-4:] in ('.pyc', '.pyo'):
            module_file = module_file[:-1]
        for test in tests:
            if not test.examples:
                continue
            if not test.filename:
                test.filename = module_file

            yield DocTestCase(test,
                              optionflags=optionflags,
                              checker=self.checker)