def testSelfStackedBranch(self):
# checkSource raises StackingLoopError if a branch is stacked on
# itself. This avoids infinite recursion errors.
a = self.make_branch('a')
force_stacked_on_url(a, a.base)
opener = self.makeBranchOpener([a.base])
self.assertRaises(BranchLoopError, opener.open, a.base)
def testSelfStackedBranch(self):
# checkSource raises StackingLoopError if a branch is stacked on
# itself. This avoids infinite recursion errors.
a = self.make_branch('a')
force_stacked_on_url(a, a.base)
opener = self.makeBranchOpener([a.base])
self.assertRaises(BranchLoopError, opener.open, a.base)
def test_invalid_stacking(self):
"""Upgrade tolerates branches stacked on different-format branches."""
self.useBzrBranches(direct_database=True)
target, target_tree = self.create_branch_and_tree(format='1.6')
trunk, trunk_tree = self.create_branch_and_tree(format='2a')
force_stacked_on_url(target_tree.branch, trunk_tree.branch.base)
Upgrader(target, self.getTargetDir(target_tree.branch),
logging.getLogger())
def test_ignore_fallbacks(self):
""""Cross-format stacking doesn't error with ignore_fallbacks."""
scheme, get_chrooted_url = self.get_chrooted_scheme('inside')
stacked, stacked_on = make_cross_format_stacked(self)
force_stacked_on_url(stacked, get_chrooted_url('stacked-on'))
safe_open(scheme, get_chrooted_url('stacked'), ignore_fallbacks=True)
def make_cross_format_stacked(test_case):
test_case.get_transport().mkdir('inside')
stacked = test_case.make_branch('inside/stacked', format='1.6')
stacked_on = test_case.make_branch('inside/stacked-on', format='2a')
force_stacked_on_url(stacked, stacked_on.base)
return stacked, stacked_on
def test_ignore_fallbacks(self):
""""Cross-format stacking doesn't error with ignore_fallbacks."""
scheme, get_chrooted_url = self.get_chrooted_scheme('inside')
stacked, stacked_on = make_cross_format_stacked(self)
force_stacked_on_url(stacked, get_chrooted_url('stacked-on'))
safe_open(scheme, get_chrooted_url('stacked'), ignore_fallbacks=True)
def make_cross_format_stacked(test_case):
test_case.get_transport().mkdir('inside')
stacked = test_case.make_branch('inside/stacked', format='1.6')
stacked_on = test_case.make_branch('inside/stacked-on', format='2a')
force_stacked_on_url(stacked, stacked_on.base)
return stacked, stacked_on
