1
# Copyright (C) 2005-2011 Canonical Ltd
1
# Copyright (C) 2005-2010 Canonical Ltd
2
2
# Author: Robert Collins <robert.collins@canonical.com>
4
4
# This program is free software; you can redistribute it and/or modify
63
58
visitor.visitSuite(test)
64
59
visitTests(test, visitor)
66
print("unvisitable non-unittest.TestCase element %r (%r)" % (
67
test, test.__class__))
70
class FailedCollectionCase(unittest.TestCase):
71
"""Pseudo-test to run and report failure if given case was uncollected"""
73
def __init__(self, case):
74
super(FailedCollectionCase, self).__init__("fail_uncollected")
75
# GZ 2011-09-16: Maybe catch errors from id() method as cases may be
76
# in a bit of a funny state by now.
77
self._problem_case_id = case.id()
80
if self._problem_case_id[-1:] == ")":
81
return self._problem_case_id[:-1] + ",uncollected)"
82
return self._problem_case_id + "(uncollected)"
84
def fail_uncollected(self):
85
self.fail("Uncollected test case: " + self._problem_case_id)
61
print "unvisitable non-unittest.TestCase element %r (%r)" % (test, test.__class__)
88
64
class TestSuite(unittest.TestSuite):
101
77
tests = list(self)
105
count_stored_tests = getattr(result, "_count_stored_tests", int)
106
from breezy.tests import selftest_debug_flags
107
notify = "uncollected_cases" in selftest_debug_flags
109
81
if result.shouldStop:
110
82
self._tests = reversed(tests)
112
case = _run_and_collect_case(tests.pop(), result)()
113
new_stored_count = count_stored_tests()
114
if case is not None and isinstance(case, unittest.TestCase):
115
if stored_count == new_stored_count and notify:
116
# Testcase didn't fail, but somehow is still alive
117
FailedCollectionCase(case).run(result)
118
# Adding a new failure so need to reupdate the count
119
new_stored_count = count_stored_tests()
120
# GZ 2011-09-16: Previously zombied the case at this point by
121
# clearing the dict as fallback, skip for now.
122
stored_count = new_stored_count
84
tests.pop().run(result)
126
def _run_and_collect_case(case, res):
127
"""Run test case against result and use weakref to drop the refcount"""
129
return weakref.ref(case)
132
88
class TestLoader(unittest.TestLoader):
133
89
"""Custom TestLoader to extend the stock python one."""
151
107
def loadTestsFromModuleName(self, name):
152
108
result = self.suiteClass()
153
module = pyutils.get_named_object(name)
109
module = _load_module_by_name(name)
155
111
result.addTests(self.loadTestsFromModule(module))
114
def loadTestsFromModule(self, module):
115
"""Load tests from a module object.
117
This extension of the python test loader looks for an attribute
118
load_tests in the module object, and if not found falls back to the
119
regular python loadTestsFromModule.
121
If a load_tests attribute is found, it is called and the result is
124
load_tests should be defined like so:
125
>>> def load_tests(standard_tests, module, loader):
128
standard_tests is the tests found by the stock TestLoader in the
129
module, module and loader are the module and loader instances.
131
For instance, to run every test twice, you might do:
132
>>> def load_tests(standard_tests, module, loader):
133
>>> result = loader.suiteClass()
134
>>> for test in iter_suite_tests(standard_tests):
135
>>> result.addTests([test, test])
138
basic_tests = super(TestLoader, self).loadTestsFromModule(module)
139
load_tests = getattr(module, "load_tests", None)
140
if load_tests is not None:
141
return load_tests(basic_tests, module, self)
158
145
def getTestCaseNames(self, test_case_class):
159
146
test_fn_names = self.test_func_names.get(test_case_class, None)
160
147
if test_fn_names is not None:
186
173
return self.suiteClass()
176
def _load_module_by_name(mod_name):
177
parts = mod_name.split('.')
178
module = __import__(mod_name)
180
# for historical reasons python returns the top-level module even though
181
# it loads the submodule; we need to walk down to get the one we want.
183
module = getattr(module, parts.pop(0))
189
187
class TestVisitor(object):
190
188
"""A visitor for Tests"""
192
189
def visitSuite(self, aTestSuite):
195
191
def visitCase(self, aTestCase):