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Viewing changes to bzrlib/tests/tree_implementations/__init__.py

  • Committer: Robert Collins
  • Date: 2006-07-20 13:00:31 UTC
  • mto: (1852.9.1 Tree.compare().)
  • mto: This revision was merged to the branch mainline in revision 1890.
  • Revision ID: robertc@robertcollins.net-20060720130031-d26103a427ea10f3
Start tree implementation tests.

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