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import unittest
from coalib.bears.Bear import Bear
from coalib.collecting import Dependencies
class ResolvableBear1(Bear):
BEAR_DEPS = {Bear}
class ResolvableBear2(Bear):
BEAR_DEPS = {ResolvableBear1, Bear}
class UnresolvableBear1(Bear):
class UnresolvableBear2(Bear):
BEAR_DEPS = {ResolvableBear1, Bear, UnresolvableBear1}
class UnresolvableBear3(Bear):
BEAR_DEPS = {ResolvableBear1, Bear, UnresolvableBear2}
class DependenciesTest(unittest.TestCase):
def setUp(self):
# We can set this attribute properly only after UnresolvableBear3 is
# declared.
setattr(UnresolvableBear1, 'BEAR_DEPS', {ResolvableBear1,
Bear,
UnresolvableBear3})
def test_no_deps(self):
self.assertEqual(
len(Dependencies.resolve([Bear,
Bear])),
1)
def test_resolvable_deps(self):
self.assertEqual(Dependencies.resolve([ResolvableBear1,
ResolvableBear2]),
[Bear, ResolvableBear1, ResolvableBear2])
def test_unresolvable_deps(self):
self.assertRaises(
Dependencies.CircularDependencyError,
Dependencies.resolve,
[UnresolvableBear1])
coala-analyzer /
coala
