def test_reorder_tests_reverse_with_duplicates(self):
class Tests1(unittest.TestCase):
def test1(self):
pass
class Tests2(unittest.TestCase):
def test2(self):
pass
def test3(self):
pass
suite = self.build_test_suite((Tests1, Tests2))
subsuite = list(suite)[0]
suite.addTest(subsuite)
tests = list(iter_test_cases(suite))
self.assertTestNames(tests, expected=[
'Tests1.test1', 'Tests2.test2', 'Tests2.test3', 'Tests1.test1',
])
reordered_tests = reorder_tests(tests, classes=[])
self.assertTestNames(reordered_tests, expected=[
'Tests1.test1', 'Tests2.test2', 'Tests2.test3',
])
reordered_tests = reorder_tests(tests, classes=[], reverse=True)
self.assertTestNames(reordered_tests, expected=[
'Tests2.test3', 'Tests2.test2', 'Tests1.test1',
])
def test_reorder_tests_random(self):
tests = self.make_tests()
# Choose a seed that shuffles both the classes and methods.
shuffler = Shuffler(seed=9)
reordered_tests = reorder_tests(tests, classes=[], shuffler=shuffler)
self.assertIsInstance(reordered_tests, collections.abc.Iterator)
self.assertTestNames(reordered_tests,
expected=[
'Tests2.test1',
'Tests2.test2',
'Tests1.test2',
'Tests1.test1',
])
def test_reorder_tests_random_mixed_classes(self):
tests = self.make_tests()
# Move the last item to the front.
tests.insert(0, tests.pop())
shuffler = Shuffler(seed=9)
self.assertTestNames(tests,
expected=[
'Tests2.test2',
'Tests1.test1',
'Tests1.test2',
'Tests2.test1',
])
reordered_tests = reorder_tests(tests, classes=[], shuffler=shuffler)
self.assertTestNames(reordered_tests,
expected=[
'Tests2.test1',
'Tests2.test2',
'Tests1.test2',
'Tests1.test1',
])
def test_reorder_tests_same_type_consecutive(self):
"""Tests of the same type are made consecutive."""
tests = self.make_tests()
# Move the last item to the front.
tests.insert(0, tests.pop())
self.assertTestNames(tests,
expected=[
'Tests2.test2',
'Tests1.test1',
'Tests1.test2',
'Tests2.test1',
])
reordered_tests = reorder_tests(tests, classes=[])
self.assertTestNames(reordered_tests,
expected=[
'Tests2.test2',
'Tests2.test1',
'Tests1.test1',
'Tests1.test2',
])
