~bzr-pqm/bzr/bzr.dev

# Copyright (C) 2006, 2007, 2009, 2011, 2012, 2016 Canonical Ltd

#

# 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

"""Test the executable bit under various working tree formats."""

import os

from bzrlib import (

    osutils,

    )

from bzrlib.transform import TreeTransform

from bzrlib.tests.per_workingtree import TestCaseWithWorkingTree

class TestExecutable(TestCaseWithWorkingTree):

    def setUp(self):

        super(TestExecutable, self).setUp()

        self.a_id = "a-20051208024829-849e76f7968d7a86"

        self.b_id = "b-20051208024829-849e76f7968d7a86"

        wt = self.make_branch_and_tree('b1')

        b = wt.branch

        tt = TreeTransform(wt)

        tt.new_file('a', tt.root, 'a test\n', self.a_id, True)

        tt.new_file('b', tt.root, 'b test\n', self.b_id, False)

        tt.apply()

        self.wt = wt

    def check_exist(self, tree):

        """Just check that both files have the right executable bits set"""

        tree.lock_read()

        self.assertTrue(tree.is_executable(self.a_id),

                        "'a' lost the execute bit")

        self.assertFalse(tree.is_executable(self.b_id),

                    "'b' gained an execute bit")

        tree.unlock()

    def check_empty(self, tree, ignore_inv=False):

        """Check that the files are truly missing

        :param ignore_inv: If you just delete files from a working tree

                the inventory still shows them, so don't assert that

                the inventory is empty, just that the tree doesn't have them

        """

        tree.lock_read()

        if not ignore_inv:

            self.assertEqual(

                [('', tree.root_inventory.root)],

                list(tree.root_inventory.iter_entries()))

        self.assertFalse(tree.has_id(self.a_id))

        self.assertFalse(tree.has_filename('a'))

        self.assertFalse(tree.has_id(self.b_id))

        self.assertFalse(tree.has_filename('b'))

        tree.unlock()

    def commit_and_branch(self):

        """Commit the current tree, and create a second tree"""

        self.wt.commit('adding a,b', rev_id='r1')

        # Now make sure that 'bzr branch' also preserves the

        # executable bit

        dir2 = self.wt.branch.bzrdir.sprout('b2', revision_id='r1')

        wt2 = dir2.open_workingtree()

        self.assertEqual(['r1'], wt2.get_parent_ids())

        self.assertEqual('r1', wt2.branch.last_revision())

        return wt2

    def test_01_is_executable(self):

        """Make sure that the tree was created and has the executable bit set"""

        self.check_exist(self.wt)

    def test_02_stays_executable(self):

        """reopen the tree and ensure it stuck."""

        self.wt = self.wt.bzrdir.open_workingtree()

        self.check_exist(self.wt)

    def test_03_after_commit(self):

        """Commit the change, and check the history"""

        self.wt.commit('adding a,b', rev_id='r1')

        rev_tree = self.wt.branch.repository.revision_tree('r1')

        self.check_exist(rev_tree)

    def test_04_after_removed(self):

        """Make sure reverting removed files brings them back correctly"""

        self.wt.commit('adding a,b', rev_id='r1')

        # Make sure the entries are gone

        os.remove('b1/a')

        os.remove('b1/b')

        self.check_empty(self.wt, ignore_inv=True)

        # Make sure that revert is able to bring them back,

        # and sets 'a' back to being executable

        rev_tree = self.wt.branch.repository.revision_tree('r1')

        self.wt.revert(['a', 'b'], rev_tree, backups=False)

        self.check_exist(self.wt)

    def test_05_removed_and_committed(self):

        """Check that reverting to an earlier commit restores them"""

        self.wt.commit('adding a,b', rev_id='r1')

        # Now remove them again, and make sure that after a

        # commit, they are still marked correctly

        os.remove('b1/a')

        os.remove('b1/b')

        self.wt.commit('removed', rev_id='r2')

        self.check_empty(self.wt)

        rev_tree = self.wt.branch.repository.revision_tree('r1')

        # Now revert back to the previous commit

        self.wt.revert(old_tree=rev_tree, backups=False)

        self.check_exist(self.wt)

    def test_06_branch(self):

        """branch b1=>b2 should preserve the executable bits"""

        # TODO: Maybe this should be a blackbox test

        wt2 = self.commit_and_branch()

        self.check_exist(wt2)

    def test_07_pull(self):

        """Test that pull will handle bits correctly"""

        wt2 = self.commit_and_branch()

        os.remove('b1/a')

        os.remove('b1/b')

        self.wt.commit('removed', rev_id='r2')

        # now wt2 can pull and the files should be removed

        # Make sure pull will delete the files

        wt2.pull(self.wt.branch)

        self.assertEqual(['r2'], wt2.get_parent_ids())

        self.assertEqual('r2', wt2.branch.last_revision())

        self.check_empty(wt2)

        # Now restore the files on the first branch and commit

        # so that the second branch can pull the changes

        # and make sure that the executable bit has been copied

        rev_tree = self.wt.branch.repository.revision_tree('r1')

        self.wt.revert(old_tree=rev_tree, backups=False)

        self.wt.commit('resurrected', rev_id='r3')

        self.check_exist(self.wt)

        wt2.pull(self.wt.branch)

        self.assertEqual(['r3'], wt2.get_parent_ids())

        self.assertEqual('r3', wt2.branch.last_revision())

        self.check_exist(wt2)

    def test_08_no_op_revert(self):

        """Just do a simple revert without anything changed

        The bits shouldn't swap.

        """

        self.wt.commit('adding a,b', rev_id='r1')

        rev_tree = self.wt.branch.repository.revision_tree('r1')

        self.wt.revert(old_tree=rev_tree, backups=False)

        self.check_exist(self.wt)

    def test_commit_with_exec_from_basis(self):

        self.wt._is_executable_from_path_and_stat = \

            self.wt._is_executable_from_path_and_stat_from_basis

        rev_id1 = self.wt.commit('one')

        rev_tree1 = self.wt.branch.repository.revision_tree(rev_id1)

        a_executable = rev_tree1.root_inventory[self.a_id].executable

        b_executable = rev_tree1.root_inventory[self.b_id].executable

        self.assertIsNot(None, a_executable)

        self.assertTrue(a_executable)

        self.assertIsNot(None, b_executable)

        self.assertFalse(b_executable)

    def test_use_exec_from_basis(self):

        self.wt._supports_executable = lambda: False

        self.addCleanup(self.wt.lock_read().unlock)

        self.assertTrue(self.wt.is_executable(self.a_id))

        self.assertFalse(self.wt.is_executable(self.b_id))