def test_revision_history_when_unlocked(self):
"""Repeated calls to revision history will call _gen_revision_history
each time when the branch is not locked.
"""
branch, calls = self.get_instrumented_branch()
# Repeatedly call revision_history.
branch.revision_history()
branch.revision_history()
self.assertEqual(
['_gen_revision_history', '_gen_revision_history'], calls)
def test_set_revision_history_when_unlocked(self):
"""When the branch is not locked, calling set_revision_history will not
cause the revision history to be cached.
"""
branch, calls = self.get_instrumented_branch()
# Lock the branch, set the revision history, then repeatedly call
# revision_history.
branch.set_revision_history([])
branch.revision_history()
self.assertEqual(['_gen_revision_history'], calls)
def test_revision_history_when_unlocked(self):
"""Repeated calls to revision history will call _gen_revision_history
each time when the branch is not locked.
"""
branch, calls = self.get_instrumented_branch()
# Repeatedly call revision_history.
branch.revision_history()
branch.revision_history()
self.assertEqual(['_gen_revision_history', '_gen_revision_history'],
calls)
def test_set_revision_history_when_unlocked(self):
"""When the branch is not locked, calling set_revision_history will not
cause the revision history to be cached.
"""
branch, calls = self.get_instrumented_branch()
# Lock the branch, set the revision history, then repeatedly call
# revision_history.
branch.set_revision_history([])
branch.revision_history()
self.assertEqual(['_gen_revision_history'], calls)
def test_revision_history_when_locked(self):
"""Repeated calls to revision history will only call
_gen_revision_history once while the branch is locked.
"""
branch, calls = self.get_instrumented_branch()
# Lock the branch, then repeatedly call revision_history.
branch.lock_read()
try:
branch.revision_history()
branch.revision_history()
self.assertEqual(['_gen_revision_history'], calls)
finally:
branch.unlock()
def test_revision_history_when_locked(self):
"""Repeated calls to revision history will only call
_gen_revision_history once while the branch is locked.
"""
branch, calls = self.get_instrumented_branch()
# Lock the branch, then repeatedly call revision_history.
branch.lock_read()
try:
branch.revision_history()
branch.revision_history()
self.assertEqual(['_gen_revision_history'], calls)
finally:
branch.unlock()
def test_set_revision_history_when_locked(self):
"""When the branch is locked, calling set_revision_history should cache
the revision history so that a later call to revision_history will not
need to call _gen_revision_history.
"""
branch, calls = self.get_instrumented_branch()
# Lock the branch, set the revision history, then repeatedly call
# revision_history.
branch.lock_write()
branch.set_revision_history([])
try:
branch.revision_history()
self.assertEqual([], calls)
finally:
branch.unlock()
def test_set_revision_history_when_locked(self):
"""When the branch is locked, calling set_revision_history should cache
the revision history so that a later call to revision_history will not
need to call _gen_revision_history.
"""
branch, calls = self.get_instrumented_branch()
# Lock the branch, set the revision history, then repeatedly call
# revision_history.
branch.lock_write()
branch.set_revision_history([])
try:
branch.revision_history()
self.assertEqual([], calls)
finally:
branch.unlock()
def test_upgrade_v6_to_meta_no_workingtree(self):
# Some format6 branches do not have checkout files. Upgrading
# such a branch to metadir must not setup a working tree.
self.build_tree_contents(_upgrade1_template)
upgrade('.', bzrdir.BzrDirFormat6())
transport = get_transport('.')
transport.delete_multi(['.bzr/pending-merges', '.bzr/inventory'])
self.assertFalse(transport.has('.bzr/stat-cache'))
# XXX: upgrade fails if a backup.bzr is already present
# -- David Allouche 2006-08-11
transport.delete_tree('backup.bzr')
# At this point, we have a format6 branch without checkout files.
upgrade('.', bzrdir.BzrDirMetaFormat1())
# The upgrade should not have set up a working tree.
control = bzrdir.BzrDir.open('.')
self.assertFalse(control.has_workingtree())
# We have covered the scope of this test, we may as well check that
# upgrade has not eaten our data, even if it's a bit redundant with
# other tests.
self.failUnless(isinstance(control._format, bzrdir.BzrDirMetaFormat1))
branch = control.open_branch()
self.assertEquals(branch.revision_history(), [
'[email protected]',
'[email protected]'
])
def test_cached_revision_history_not_accidentally_mutable(self):
"""When there's a cached version of the history, revision_history
returns a copy of the cached data so that callers cannot accidentally
corrupt the cache.
"""
branch = self.get_branch()
# Lock the branch, then repeatedly call revision_history, mutating the
# results.
branch.lock_read()
try:
# The first time the data returned will not be in the cache.
history = branch.revision_history()
history.append('one')
# The second time the data comes from the cache.
history = branch.revision_history()
history.append('two')
# The revision_history() should still be unchanged, even though
# we've mutated the return values from earlier calls.
self.assertEqual([], branch.revision_history())
finally:
branch.unlock()
def test_cached_revision_history_not_accidentally_mutable(self):
"""When there's a cached version of the history, revision_history
returns a copy of the cached data so that callers cannot accidentally
corrupt the cache.
"""
branch = self.get_branch()
# Lock the branch, then repeatedly call revision_history, mutating the
# results.
branch.lock_read()
try:
# The first time the data returned will not be in the cache.
history = branch.revision_history()
history.append('one')
# The second time the data comes from the cache.
history = branch.revision_history()
history.append('two')
# The revision_history() should still be unchanged, even though
# we've mutated the return values from earlier calls.
self.assertEqual([], branch.revision_history())
finally:
branch.unlock()
def test_upgrade_v6_to_meta_no_workingtree(self):
# Some format6 branches do not have checkout files. Upgrading
# such a branch to metadir must not setup a working tree.
self.build_tree_contents(_upgrade1_template)
upgrade('.', bzrdir.BzrDirFormat6())
transport = get_transport('.')
transport.delete_multi(['.bzr/pending-merges', '.bzr/inventory'])
self.assertFalse(transport.has('.bzr/stat-cache'))
# XXX: upgrade fails if a backup.bzr is already present
# -- David Allouche 2006-08-11
transport.delete_tree('backup.bzr')
# At this point, we have a format6 branch without checkout files.
upgrade('.', bzrdir.BzrDirMetaFormat1())
# The upgrade should not have set up a working tree.
control = bzrdir.BzrDir.open('.')
self.assertFalse(control.has_workingtree())
# We have covered the scope of this test, we may as well check that
# upgrade has not eaten our data, even if it's a bit redundant with
# other tests.
self.failUnless(isinstance(control._format, bzrdir.BzrDirMetaFormat1))
branch = control.open_branch()
self.assertEquals(branch.revision_history(),
['[email protected]',
'[email protected]'])