QGIS/python/ext-libs/nose2/tests/functional/test_discovery_loader.py
2016-02-06 03:12:25 +01:00

77 lines
3.0 KiB
Python

from nose2.tests._common import FunctionalTestCase, TestCase, support_file
from nose2 import events, loader, session
from nose2.plugins.loader.discovery import DiscoveryLoader
class Watcher(events.Plugin):
def __init__(self):
self.called = []
def loadTestsFromModule(self, event):
self.called.append(event)
class DiscoveryFunctionalTest(FunctionalTestCase):
def setUp(self):
self.session = session.Session()
self.plug = DiscoveryLoader(session=self.session)
self.loader = loader.PluggableTestLoader(self.session)
self.watcher = Watcher(session=self.session)
self.watcher.register()
def test_can_discover_test_modules_in_packages(self):
self.session.startDir = support_file('scenario/tests_in_package')
event = events.LoadFromNamesEvent(self.loader, [], None)
result = self.session.hooks.loadTestsFromNames(event)
assert isinstance(result, self.loader.suiteClass)
self.assertEqual(len(result._tests), 1)
self.assertEqual(len(self.watcher.called), 1)
self.assertEqual(self.watcher.called[0].module.__name__,
'pkg1.test.test_things')
def test_discovery_supports_code_in_lib_dir(self):
self.session.startDir = support_file('scenario/package_in_lib')
event = events.LoadFromNamesEvent(self.loader, [], None)
result = self.session.hooks.loadTestsFromNames(event)
assert isinstance(result, self.loader.suiteClass)
self.assertEqual(len(result._tests), 1)
self.assertEqual(len(self.watcher.called), 1)
self.assertEqual(self.watcher.called[0].module.__name__, 'tests')
def test_match_path_event_can_prevent_discovery(self):
class NoTestsForYou(events.Plugin):
def matchPath(self, event):
event.handled = True
return False
mp = NoTestsForYou(session=self.session)
mp.register()
self.session.startDir = support_file('scenario/tests_in_package')
event = events.LoadFromNamesEvent(self.loader, [], None)
result = self.session.hooks.loadTestsFromNames(event)
assert isinstance(result, self.loader.suiteClass)
self.assertEqual(len(result._tests), 0)
self.assertEqual(len(self.watcher.called), 0)
def test_handle_file_event_can_add_tests(self):
class TextTest(TestCase):
def test(self):
pass
class TestsInText(events.Plugin):
def handleFile(self, event):
if event.path.endswith('.txt'):
event.extraTests.append(TextTest('test'))
mp = TestsInText(session=self.session)
mp.register()
self.session.startDir = support_file('scenario/tests_in_package')
event = events.LoadFromNamesEvent(self.loader, [], None)
result = self.session.hooks.loadTestsFromNames(event)
assert isinstance(result, self.loader.suiteClass)
self.assertEqual(len(result._tests), 2)
self.assertEqual(len(self.watcher.called), 1)