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# Copyright (C) 2006 by Canonical Ltd
# Authors: Robert Collins <robert.collins@canonical.com>
# -*- coding: utf-8 -*-
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
"""Tree implementation tests for bzr.
These test the conformance of all the tree variations to the expected API.
Specific tests for individual variations are in other places such as:
- tests/test_tree.py
- tests/test_revision.py
- tests/test_workingtree.py
- tests/workingtree_implementations/*.py.
"""
import bzrlib.errors as errors
from bzrlib.transport import get_transport
from bzrlib.tests import (
adapt_modules,
default_transport,
TestCaseWithTransport,
TestLoader,
TestSuite,
)
from bzrlib.tests.bzrdir_implementations.test_bzrdir import TestCaseWithBzrDir
from bzrlib.tree import RevisionTree
from bzrlib.workingtree import (WorkingTreeFormat,
WorkingTreeTestProviderAdapter,
_legacy_formats,
)
def return_parameter(something):
"""A trivial thunk to return its input."""
return something
def revision_tree_from_workingtree(tree):
"""Create a revision tree from a working tree."""
revid = tree.commit('save tree', allow_pointless=True)
return tree.branch.repository.revision_tree(revid)
class TestTreeImplementationSupport(TestCaseWithTransport):
def test_revision_tree_from_workingtree(self):
tree = self.make_branch_and_tree('.')
tree = revision_tree_from_workingtree(tree)
self.assertIsInstance(tree, RevisionTree)
class TestCaseWithTree(TestCaseWithBzrDir):
def make_branch_and_tree(self, relpath, format=None):
made_control = self.make_bzrdir(relpath, format=format)
made_control.create_repository()
made_control.create_branch()
return self.workingtree_format.initialize(made_control)
def get_tree_no_parents_no_content(self):
# make a working tree with the right shape
tree = self.make_branch_and_tree('.')
# convert that to the final shape
return self.workingtree_to_test_tree(tree)
class TreeTestProviderAdapter(WorkingTreeTestProviderAdapter):
"""Generate test suites for each Tree implementation in bzrlib.
Currently this covers all working tree formats, and RevisionTree by
committing a working tree to create the revision tree.
"""
def adapt(self, test):
result = super(TreeTestProviderAdapter, self).adapt(test)
for adapted_test in result:
# for working tree adapted tests, preserve the tree
adapted_test.workingtree_to_test_tree = return_parameter
default_format = WorkingTreeFormat.get_default_format()
revision_tree_test = self._clone_test(
test,
default_format._matchingbzrdir,
default_format,
RevisionTree.__name__)
revision_tree_test.workingtree_to_test_tree = revision_tree_from_workingtree
result.addTest(revision_tree_test)
return result
def test_suite():
result = TestSuite()
test_tree_implementations = [
'bzrlib.tests.tree_implementations.test_test_trees',
]
adapter = TreeTestProviderAdapter(
default_transport,
# None here will cause a readonly decorator to be created
# by the TestCaseWithTransport.get_readonly_transport method.
None,
[(format, format._matchingbzrdir) for format in
WorkingTreeFormat._formats.values() + _legacy_formats])
loader = TestLoader()
adapt_modules(test_tree_implementations, adapter, loader, result)
result.addTests(loader.loadTestsFromModuleNames(['bzrlib.tests.tree_implementations']))
return result
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