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Viewing changes to bzrlib/tests/test_status.py

Make merge correctly locate a lca where there is a criss-cross merge
        of a new root.

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bzrlib/tests/test_status.py
 
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# Copyright (C) 2006-2010 Canonical Ltd
 
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#
 
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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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#
 
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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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#
 
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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 
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from StringIO import StringIO
 
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from bzrlib import (
 
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    config,
 
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    status as _mod_status,
 
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    )
 
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from bzrlib.revisionspec import RevisionSpec
 
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from bzrlib.status import show_pending_merges, show_tree_status
 
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from bzrlib.tests import TestCaseWithTransport
 
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class TestStatus(TestCaseWithTransport):
 
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    def test_pending_none(self):
 
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        # Test whether show_pending_merges works in a tree with no commits
 
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        tree = self.make_branch_and_tree('a')
 
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        tree.commit('empty commit')
 
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        tree2 = self.make_branch_and_tree('b')
 
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        # set a left most parent that is not a present commit
 
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        tree2.add_parent_tree_id('some-ghost', allow_leftmost_as_ghost=True)
 
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        # do a merge
 
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        tree2.merge_from_branch(tree.branch)
 
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        output = StringIO()
 
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        tree2.lock_read()
 
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        try:
 
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            show_pending_merges(tree2, output)
 
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        finally:
 
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            tree2.unlock()
 
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        self.assertContainsRe(output.getvalue(), 'empty commit')
 
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    def make_multiple_pending_tree(self):
 
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        config.GlobalConfig().set_user_option('email', 'Joe Foo <joe@foo.com>')
 
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        tree = self.make_branch_and_tree('a')
 
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        tree.commit('commit 1', timestamp=1196796819, timezone=0)
 
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        tree2 = tree.bzrdir.clone('b').open_workingtree()
 
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        tree.commit('commit 2', timestamp=1196796819, timezone=0)
 
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        tree2.commit('commit 2b', timestamp=1196796819, timezone=0)
 
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        tree3 = tree2.bzrdir.clone('c').open_workingtree()
 
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        tree2.commit('commit 3b', timestamp=1196796819, timezone=0)
 
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        tree3.commit('commit 3c', timestamp=1196796819, timezone=0)
 
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        tree.merge_from_branch(tree2.branch)
 
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        tree.merge_from_branch(tree3.branch, force=True)
 
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        return tree
 
61
 
 
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    def test_multiple_pending(self):
 
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        tree = self.make_multiple_pending_tree()
 
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        output = StringIO()
 
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        tree.lock_read()
 
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        self.addCleanup(tree.unlock)
 
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        show_pending_merges(tree, output)
 
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        # 2b doesn't appear because it's an ancestor of 3b
 
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        self.assertEqualDiff(
 
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            'pending merge tips: (use -v to see all merge revisions)\n'
 
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            '  Joe Foo 2007-12-04 commit 3b\n'
 
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            '  Joe Foo 2007-12-04 commit 3c\n',
 
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            output.getvalue())
 
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    def test_multiple_pending_verbose(self):
 
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        tree = self.make_multiple_pending_tree()
 
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        output = StringIO()
 
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        tree.lock_read()
 
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        self.addCleanup(tree.unlock)
 
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        show_pending_merges(tree, output, verbose=True)
 
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        # Even though 2b is in the ancestry of 3c, it should only be displayed
 
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        # under the first merge parent.
 
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        self.assertEqualDiff('pending merges:\n'
 
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                             '  Joe Foo 2007-12-04 commit 3b\n'
 
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                             '    Joe Foo 2007-12-04 commit 2b\n'
 
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                             '  Joe Foo 2007-12-04 commit 3c\n',
 
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                             output.getvalue())
 
88
 
 
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    def test_with_pending_ghost(self):
 
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        """Test when a pending merge is itself a ghost"""
 
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        tree = self.make_branch_and_tree('a')
 
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        tree.commit('first')
 
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        tree.add_parent_tree_id('a-ghost-revision')
 
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        tree.lock_read()
 
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        self.addCleanup(tree.unlock)
 
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        output = StringIO()
 
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        show_pending_merges(tree, output)
 
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        self.assertEqualDiff(
 
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            'pending merge tips: (use -v to see all merge revisions)\n'
 
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            '  (ghost) a-ghost-revision\n',
 
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            output.getvalue())
 
102
 
 
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    def test_pending_with_ghosts(self):
 
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        """Test when a pending merge's ancestry includes ghosts."""
 
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        config.GlobalConfig().set_user_option('email', 'Joe Foo <joe@foo.com>')
 
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        tree = self.make_branch_and_tree('a')
 
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        tree.commit('empty commit')
 
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        tree2 = tree.bzrdir.clone('b').open_workingtree()
 
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        tree2.commit('a non-ghost', timestamp=1196796819, timezone=0)
 
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        tree2.add_parent_tree_id('a-ghost-revision')
 
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        tree2.commit('commit with ghost', timestamp=1196796819, timezone=0)
 
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        tree2.commit('another non-ghost', timestamp=1196796819, timezone=0)
 
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        tree.merge_from_branch(tree2.branch)
 
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        tree.lock_read()
 
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        self.addCleanup(tree.unlock)
 
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        output = StringIO()
 
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        show_pending_merges(tree, output, verbose=True)
 
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        self.assertEqualDiff('pending merges:\n'
 
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                             '  Joe Foo 2007-12-04 another non-ghost\n'
 
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                             '    Joe Foo 2007-12-04 [merge] commit with ghost\n'
 
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                             '    (ghost) a-ghost-revision\n'
 
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                             '    Joe Foo 2007-12-04 a non-ghost\n',
 
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                             output.getvalue())
 
124
 
 
125
    def tests_revision_to_revision(self):
 
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        """doing a status between two revision trees should work."""
 
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        tree = self.make_branch_and_tree('.')
 
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        r1_id = tree.commit('one', allow_pointless=True)
 
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        r2_id = tree.commit('two', allow_pointless=True)
 
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        r2_tree = tree.branch.repository.revision_tree(r2_id)
 
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        output = StringIO()
 
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        show_tree_status(tree, to_file=output,
 
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                     revision=[RevisionSpec.from_string("revid:%s" % r1_id),
 
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                               RevisionSpec.from_string("revid:%s" % r2_id)])
 
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        # return does not matter as long as it did not raise.
 
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class TestHooks(TestCaseWithTransport):
 
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    def test_constructor(self):
 
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        """Check that creating a StatusHooks instance has the right defaults.
 
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        """
 
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        hooks = _mod_status.StatusHooks()
 
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        self.assertTrue("post_status" in hooks, "post_status not in %s" % hooks)
 
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        self.assertTrue("pre_status" in hooks, "pre_status not in %s" % hooks)
 
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    def test_installed_hooks_are_StatusHooks(self):
 
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        """The installed hooks object should be a StatusHooks.
 
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        """
 
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        # the installed hooks are saved in self._preserved_hooks.
 
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        self.assertIsInstance(self._preserved_hooks[_mod_status][1],
 
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            _mod_status.StatusHooks)
 
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154
    def test_post_status_hook(self):
 
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        """Ensure that post_status hook is invoked with the right args.
 
156
        """
 
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        calls = []
 
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        _mod_status.hooks.install_named_hook('post_status', calls.append, None)
 
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        self.assertLength(0, calls)
 
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        tree = self.make_branch_and_tree('.')
 
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        r1_id = tree.commit('one', allow_pointless=True)
 
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        r2_id = tree.commit('two', allow_pointless=True)
 
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        r2_tree = tree.branch.repository.revision_tree(r2_id)
 
164
        output = StringIO()
 
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        show_tree_status(tree, to_file=output,
 
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            revision=[RevisionSpec.from_string("revid:%s" % r1_id),
 
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                RevisionSpec.from_string("revid:%s" % r2_id)])
 
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        self.assertLength(1, calls)
 
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        params = calls[0]
 
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        self.assertIsInstance(params, _mod_status.StatusHookParams)
 
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        attrs = ['old_tree', 'new_tree', 'to_file', 'versioned',
 
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            'show_ids', 'short', 'verbose']
 
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        for a in attrs:
 
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            self.assertTrue(hasattr(params, a),
 
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                'Attribute "%s" not found in StatusHookParam' % a)
 
176
 
 
177
    def test_pre_status_hook(self):
 
178
        """Ensure that pre_status hook is invoked with the right args.
 
179
        """
 
180
        calls = []
 
181
        _mod_status.hooks.install_named_hook('pre_status', calls.append, None)
 
182
        self.assertLength(0, calls)
 
183
        tree = self.make_branch_and_tree('.')
 
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        r1_id = tree.commit('one', allow_pointless=True)
 
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        r2_id = tree.commit('two', allow_pointless=True)
 
186
        r2_tree = tree.branch.repository.revision_tree(r2_id)
 
187
        output = StringIO()
 
188
        show_tree_status(tree, to_file=output,
 
189
            revision=[RevisionSpec.from_string("revid:%s" % r1_id),
 
190
                RevisionSpec.from_string("revid:%s" % r2_id)])
 
191
        self.assertLength(1, calls)
 
192
        params = calls[0]
 
193
        self.assertIsInstance(params, _mod_status.StatusHookParams)
 
194
        attrs = ['old_tree', 'new_tree', 'to_file', 'versioned',
 
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            'show_ids', 'short', 'verbose']
 
196
        for a in attrs:
 
197
            self.assertTrue(hasattr(params, a),
 
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                'Attribute "%s" not found in StatusHookParam' % a)
 
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