5630.2.2
by John Arbash Meinel
Start fleshing out the design. Something weird is causing my tests to all fail. |
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# Copyright (C) 2011 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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"""Tests for WorkingTree.check_state."""
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from bzrlib import ( |
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5630.2.4
by John Arbash Meinel
Basically works in the case where the dirstate isn't corrupted. |
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errors, |
5630.2.2
by John Arbash Meinel
Start fleshing out the design. Something weird is causing my tests to all fail. |
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tests, |
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)
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from bzrlib.tests.per_workingtree import TestCaseWithWorkingTree |
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5630.2.5
by John Arbash Meinel
(broken) Intermediate state to make reset_tree work even when things are broken. |
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5630.2.4
by John Arbash Meinel
Basically works in the case where the dirstate isn't corrupted. |
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class TestCaseWithState(TestCaseWithWorkingTree): |
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def make_tree_with_broken_dirstate(self, path): |
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tree = self.make_branch_and_tree(path) |
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5630.2.5
by John Arbash Meinel
(broken) Intermediate state to make reset_tree work even when things are broken. |
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self.break_dirstate(tree) |
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return tree |
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5630.2.6
by John Arbash Meinel
Implement a reset-to-known-state ability for DirState. |
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def break_dirstate(self, tree, completely=False): |
5630.2.5
by John Arbash Meinel
(broken) Intermediate state to make reset_tree work even when things are broken. |
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"""Write garbage into the dirstate file."""
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5630.2.4
by John Arbash Meinel
Basically works in the case where the dirstate isn't corrupted. |
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if getattr(tree, 'current_dirstate', None) is None: |
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raise tests.TestNotApplicable( |
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'Only applies to dirstate-based trees') |
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tree.lock_read() |
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try: |
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dirstate = tree.current_dirstate() |
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dirstate_path = dirstate._filename |
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5784.1.3
by Martin Pool
Switch away from using failUnlessExists and failIfExists |
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self.assertPathExists(dirstate_path) |
5630.2.4
by John Arbash Meinel
Basically works in the case where the dirstate isn't corrupted. |
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finally: |
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tree.unlock() |
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# We have to have the tree unlocked at this point, so we can safely
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# mutate the state file on all platforms.
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5630.2.6
by John Arbash Meinel
Implement a reset-to-known-state ability for DirState. |
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if completely: |
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f = open(dirstate_path, 'wb') |
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else: |
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f = open(dirstate_path, 'ab') |
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5630.2.4
by John Arbash Meinel
Basically works in the case where the dirstate isn't corrupted. |
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try: |
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f.write('garbage-at-end-of-file\n') |
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finally: |
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f.close() |
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class TestCheckState(TestCaseWithState): |
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5630.2.2
by John Arbash Meinel
Start fleshing out the design. Something weird is causing my tests to all fail. |
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def test_check_state(self): |
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tree = self.make_branch_and_tree('tree') |
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# Everything should be fine with an unmodified tree, no exception
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# should be raised.
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5630.2.3
by John Arbash Meinel
Looks like it was a stale experimental .pyd file causing trouble. Tests pass again now. |
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tree.check_state() |
5630.2.4
by John Arbash Meinel
Basically works in the case where the dirstate isn't corrupted. |
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def test_check_broken_dirstate(self): |
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tree = self.make_tree_with_broken_dirstate('tree') |
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self.assertRaises(errors.BzrError, tree.check_state) |
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class TestResetState(TestCaseWithState): |
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5630.2.6
by John Arbash Meinel
Implement a reset-to-known-state ability for DirState. |
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def make_initial_tree(self): |
5630.2.4
by John Arbash Meinel
Basically works in the case where the dirstate isn't corrupted. |
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tree = self.make_branch_and_tree('tree') |
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self.build_tree(['tree/foo', 'tree/dir/', 'tree/dir/bar']) |
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tree.add(['foo', 'dir', 'dir/bar']) |
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tree.commit('initial') |
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5630.2.6
by John Arbash Meinel
Implement a reset-to-known-state ability for DirState. |
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return tree |
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def test_reset_state_forgets_changes(self): |
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tree = self.make_initial_tree() |
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5630.2.4
by John Arbash Meinel
Basically works in the case where the dirstate isn't corrupted. |
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foo_id = tree.path2id('foo') |
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tree.rename_one('foo', 'baz') |
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self.assertEqual(None, tree.path2id('foo')) |
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self.assertEqual(foo_id, tree.path2id('baz')) |
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tree.reset_state() |
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# After reset, we should have forgotten about the rename, but we won't
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# have
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self.assertEqual(foo_id, tree.path2id('foo')) |
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self.assertEqual(None, tree.path2id('baz')) |
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5784.1.3
by Martin Pool
Switch away from using failUnlessExists and failIfExists |
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self.assertPathDoesNotExist('tree/foo') |
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self.assertPathExists('tree/baz') |
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5630.2.5
by John Arbash Meinel
(broken) Intermediate state to make reset_tree work even when things are broken. |
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def test_reset_state_handles_corrupted_dirstate(self): |
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5630.2.6
by John Arbash Meinel
Implement a reset-to-known-state ability for DirState. |
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tree = self.make_initial_tree() |
5630.2.7
by John Arbash Meinel
Handle --force flags and propmting the user for what they might really want. |
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rev_id = tree.last_revision() |
5630.2.5
by John Arbash Meinel
(broken) Intermediate state to make reset_tree work even when things are broken. |
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self.break_dirstate(tree) |
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tree.reset_state() |
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tree.check_state() |
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5630.2.7
by John Arbash Meinel
Handle --force flags and propmting the user for what they might really want. |
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self.assertEqual(rev_id, tree.last_revision()) |
5630.2.6
by John Arbash Meinel
Implement a reset-to-known-state ability for DirState. |
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def test_reset_state_handles_destroyed_dirstate(self): |
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# If you pass the revision_id, we can handle a completely destroyed
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# dirstate file.
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tree = self.make_initial_tree() |
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rev_id = tree.last_revision() |
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self.break_dirstate(tree, completely=True) |
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tree.reset_state(revision_ids=[rev_id]) |
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tree.check_state() |
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5630.2.7
by John Arbash Meinel
Handle --force flags and propmting the user for what they might really want. |
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self.assertEqual(rev_id, tree.last_revision()) |