def test_is_compatible_and_registered(self):
# InterWeaveRepo is compatible when either side
# is a format 5/6/7 branch
from bzrlib.repofmt import knitrepo
formats = [
RepositoryFormat5(),
RepositoryFormat6(),
RepositoryFormat7()
]
incompatible_formats = [
RepositoryFormat4(),
knitrepo.RepositoryFormatKnit1(),
]
repo_a = self.make_repository('a')
repo_b = self.make_repository('b')
is_compatible = InterWeaveRepo.is_compatible
for source in incompatible_formats:
# force incompatible left then right
repo_a._format = source
repo_b._format = formats[0]
self.assertFalse(is_compatible(repo_a, repo_b))
self.assertFalse(is_compatible(repo_b, repo_a))
for source in formats:
repo_a._format = source
for target in formats:
repo_b._format = target
self.assertTrue(is_compatible(repo_a, repo_b))
self.assertEqual(InterWeaveRepo,
InterRepository.get(repo_a, repo_b).__class__)
