14
14
# You should have received a copy of the GNU General Public License
15
15
# along with this program; if not, write to the Free Software
16
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
16
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23
# Mark this python module as being part of the implementation
24
# of unittest: this gives us better tracebacks where the last
25
# shown frame is the test code, not our assertXYZ.
29
24
class LogCollector(logging.Handler):
30
25
def __init__(self):
72
67
visitor.visitSuite(self)
73
68
visitTests(self, visitor)
75
def run(self, result):
76
"""Run the tests in the suite, discarding references after running."""
82
self._tests = reversed(tests)
84
tests.pop().run(result)
88
71
class TestLoader(unittest.TestLoader):
89
"""Custom TestLoader to extend the stock python one."""
72
"""Custome TestLoader to set the right TestSuite class."""
91
73
suiteClass = TestSuite
92
# Memoize test names by test class dict
95
def loadTestsFromModuleNames(self, names):
96
"""use a custom means to load tests from modules.
98
There is an undesirable glitch in the python TestLoader where a
99
import error is ignore. We think this can be solved by ensuring the
100
requested name is resolvable, if its not raising the original error.
102
result = self.suiteClass()
104
result.addTests(self.loadTestsFromModuleName(name))
107
def loadTestsFromModuleName(self, name):
108
result = self.suiteClass()
109
module = _load_module_by_name(name)
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)
145
def getTestCaseNames(self, test_case_class):
146
test_fn_names = self.test_func_names.get(test_case_class, None)
147
if test_fn_names is not None:
148
# We already know them
151
test_fn_names = unittest.TestLoader.getTestCaseNames(self,
153
self.test_func_names[test_case_class] = test_fn_names
157
class FilteredByModuleTestLoader(TestLoader):
158
"""A test loader that import only the needed modules."""
160
def __init__(self, needs_module):
163
:param needs_module: a callable taking a module name as a
164
parameter returing True if the module should be loaded.
166
TestLoader.__init__(self)
167
self.needs_module = needs_module
169
def loadTestsFromModuleName(self, name):
170
if self.needs_module(name):
171
return TestLoader.loadTestsFromModuleName(self, name)
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))
187
75
class TestVisitor(object):
188
76
"""A visitor for Tests"""