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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
16
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23
from bzrlib import pyutils
25
# Mark this python module as being part of the implementation
26
# of unittest: this gives us better tracebacks where the last
27
# shown frame is the test code, not our assertXYZ.
24
31
class LogCollector(logging.Handler):
25
32
def __init__(self):
67
74
visitor.visitSuite(self)
68
75
visitTests(self, visitor)
77
def run(self, result):
78
"""Run the tests in the suite, discarding references after running."""
84
self._tests = reversed(tests)
86
tests.pop().run(result)
71
90
class TestLoader(unittest.TestLoader):
72
"""Custom TestLoader to address some quirks in the stock python one."""
91
"""Custom TestLoader to extend the stock python one."""
73
93
suiteClass = TestSuite
94
# Memoize test names by test class dict
75
97
def loadTestsFromModuleNames(self, names):
76
98
"""use a custom means to load tests from modules.
78
There is an undesirable glitch in the python TestLoader where a
79
import error is ignore. We think this can be solved by ensuring the
100
There is an undesirable glitch in the python TestLoader where a
101
import error is ignore. We think this can be solved by ensuring the
80
102
requested name is resolvable, if its not raising the original error.
82
104
result = self.suiteClass()
83
105
for name in names:
84
_load_module_by_name(name)
85
result.addTests(self.loadTestsFromName(name))
89
def _load_module_by_name(mod_name):
90
parts = mod_name.split('.')
91
module = __import__(mod_name)
93
# for historical reasons python returns the top-level module even though
94
# it loads the submodule; we need to walk down to get the one we want.
96
module = getattr(module, parts.pop(0))
106
result.addTests(self.loadTestsFromModuleName(name))
109
def loadTestsFromModuleName(self, name):
110
result = self.suiteClass()
111
module = pyutils.get_named_object(name)
113
result.addTests(self.loadTestsFromModule(module))
116
def loadTestsFromModule(self, module):
117
"""Load tests from a module object.
119
This extension of the python test loader looks for an attribute
120
load_tests in the module object, and if not found falls back to the
121
regular python loadTestsFromModule.
123
If a load_tests attribute is found, it is called and the result is
126
load_tests should be defined like so:
127
>>> def load_tests(standard_tests, module, loader):
130
standard_tests is the tests found by the stock TestLoader in the
131
module, module and loader are the module and loader instances.
133
For instance, to run every test twice, you might do:
134
>>> def load_tests(standard_tests, module, loader):
135
>>> result = loader.suiteClass()
136
>>> for test in iter_suite_tests(standard_tests):
137
>>> result.addTests([test, test])
140
if sys.version_info < (2, 7):
141
basic_tests = super(TestLoader, self).loadTestsFromModule(module)
143
# GZ 2010-07-19: Python 2.7 unittest also uses load_tests but with
144
# a different and incompatible signature
145
basic_tests = super(TestLoader, self).loadTestsFromModule(module,
146
use_load_tests=False)
147
load_tests = getattr(module, "load_tests", None)
148
if load_tests is not None:
149
return load_tests(basic_tests, module, self)
153
def getTestCaseNames(self, test_case_class):
154
test_fn_names = self.test_func_names.get(test_case_class, None)
155
if test_fn_names is not None:
156
# We already know them
159
test_fn_names = unittest.TestLoader.getTestCaseNames(self,
161
self.test_func_names[test_case_class] = test_fn_names
165
class FilteredByModuleTestLoader(TestLoader):
166
"""A test loader that import only the needed modules."""
168
def __init__(self, needs_module):
171
:param needs_module: a callable taking a module name as a
172
parameter returing True if the module should be loaded.
174
TestLoader.__init__(self)
175
self.needs_module = needs_module
177
def loadTestsFromModuleName(self, name):
178
if self.needs_module(name):
179
return TestLoader.loadTestsFromModuleName(self, name)
181
return self.suiteClass()
100
184
class TestVisitor(object):