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

85 lines
2.7 KiB
Python

from nose2 import events, loader, session, util
from nose2.plugins.loader import generators, testcases
from nose2.tests._common import TestCase
class TestGeneratorUnpack(TestCase):
tags = ['unit']
def setUp(self):
self.session = session.Session()
self.loader = loader.PluggableTestLoader(self.session)
self.expect = [(0, ('call', (0, 1))),
(1, ('call', (1, 2))),
(2, ('call', (2, 3))), ]
self.plugin = generators.Generators(session=self.session)
# need testcase loader to make the initial response to load from module
self.tcl = testcases.TestCaseLoader(session=self.session)
def test_unpack_handles_nose_style_generators(self):
def gen():
for i in range(0, 3):
yield 'call', i, i + 1
out = list(self.plugin.unpack(gen()))
self.assertEqual(out, self.expect)
def test_unpack_handles_unittest2_style_generators(self):
def gen():
for i in range(0, 3):
yield 'call', (i, i + 1)
out = list(self.plugin.unpack(gen()))
self.assertEqual(out, self.expect)
def test_ignores_ordinary_functions(self):
class Mod(object):
pass
def test():
pass
m = Mod()
m.test = test
event = events.LoadFromModuleEvent(self.loader, m)
self.session.hooks.loadTestsFromModule(event)
self.assertEqual(len(event.extraTests), 0)
def test_can_load_tests_from_generator_functions(self):
class Mod(object):
__name__ = 'themod'
def check(x):
assert x == 1
def test():
yield check, 1
yield check, 2
m = Mod()
m.test = test
test.__module__ = m.__name__
event = events.LoadFromModuleEvent(self.loader, m)
self.session.hooks.loadTestsFromModule(event)
self.assertEqual(len(event.extraTests), 2)
# check that test names are sensible
self.assertEqual(util.test_name(event.extraTests[0]),
'themod.test:1')
self.assertEqual(util.test_name(event.extraTests[1]),
'themod.test:2')
def test_can_load_tests_from_generator_methods(self):
class Mod(object):
pass
def check(x):
return x == 1
class Test(TestCase):
def test(self):
yield check, 1
yield check, 2
m = Mod()
m.Test = Test
event = events.LoadFromModuleEvent(self.loader, m)
self.session.hooks.loadTestsFromModule(event)
self.assertEqual(len(event.extraTests), 1)
self.assertEqual(len(event.extraTests[0]._tests), 2)