/brz/remove-bazaar

# Copyright (C) 2010-2018 Jelmer Vernooij <jelmer@jelmer.uk>

# Copyright (C) 2011 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

"""Tests for Git working trees."""

from __future__ import absolute_import

import os

import stat

from dulwich.objects import (

    Blob,

    Tree,

    ZERO_SHA,

    )

from .... import (

    conflicts as _mod_conflicts,

    )

from ....delta import TreeDelta

from ..mapping import (

    default_mapping,

    GitFileIdMap,

    )

from ..tree import (

    changes_between_git_tree_and_working_copy,

    tree_delta_from_git_changes,

    )

from ..workingtree import (

    FLAG_STAGEMASK,

    )

from ....tests import (

    TestCase,

    TestCaseWithTransport,

    )

class GitWorkingTreeTests(TestCaseWithTransport):

    def setUp(self):

        super(GitWorkingTreeTests, self).setUp()

        self.tree = self.make_branch_and_tree('.', format="git")

    def test_conflict_list(self):

        self.assertIsInstance(

                self.tree.conflicts(),

                _mod_conflicts.ConflictList)

    def test_add_conflict(self):

        self.build_tree(['conflicted'])

        self.tree.add(['conflicted'])

        with self.tree.lock_tree_write():

            self.tree.index[b'conflicted'] = self.tree.index[b'conflicted'][:9] + (FLAG_STAGEMASK, )

            self.tree._index_dirty = True

        conflicts = self.tree.conflicts()

        self.assertEqual(1, len(conflicts))

    def test_revert_empty(self):

        self.build_tree(['a'])

        self.tree.add(['a'])

        self.assertTrue(self.tree.is_versioned('a'))

        self.tree.revert(['a'])

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

class TreeDeltaFromGitChangesTests(TestCase):

    def test_empty(self):

        delta = TreeDelta()

        changes = []

        self.assertEqual(

            delta,

            tree_delta_from_git_changes(changes, default_mapping,

                (GitFileIdMap({}, default_mapping),

                 GitFileIdMap({}, default_mapping))))

    def test_missing(self):

        delta = TreeDelta()

        delta.removed.append(('a', b'a-id', 'file'))

        changes = [((b'a', b'a'), (stat.S_IFREG | 0o755, 0), (b'a' * 40, b'a' * 40))]

        self.assertEqual(

            delta,

            tree_delta_from_git_changes(changes, default_mapping,

                (GitFileIdMap({u'a': b'a-id'}, default_mapping),

                 GitFileIdMap({u'a': b'a-id'}, default_mapping))))

class ChangesBetweenGitTreeAndWorkingCopyTests(TestCaseWithTransport):

    def setUp(self):

        super(ChangesBetweenGitTreeAndWorkingCopyTests, self).setUp()

        self.wt = self.make_branch_and_tree('.', format='git')

    def expectDelta(self, expected_changes,

                    expected_extras=None, want_unversioned=False):

        store = self.wt.branch.repository._git.object_store

        try:

            tree_id = store[self.wt.branch.repository._git.head()].tree

        except KeyError:

            tree_id = None

        with self.wt.lock_read():

            changes, extras = changes_between_git_tree_and_working_copy(

                store, tree_id, self.wt, want_unversioned=want_unversioned)

            self.assertEqual(expected_changes, list(changes))

        if expected_extras is None:

            expected_extras = set()

        self.assertEqual(set(expected_extras), set(extras))

    def test_empty(self):

        self.expectDelta(

            [((None, b''), (None, stat.S_IFDIR), (None, Tree().id))])

    def test_added_file(self):

        self.build_tree(['a'])

        self.wt.add(['a'])

        a = Blob.from_string(b'contents of a\n')

        t = Tree()

        t.add(b"a", stat.S_IFREG | 0o644, a.id)

        self.expectDelta(

            [((None, b''), (None, stat.S_IFDIR), (None, t.id)),

             ((None, b'a'), (None, stat.S_IFREG | 0o644), (None, a.id))])

    def test_added_unknown_file(self):

        self.build_tree(['a'])

        t = Tree()

        self.expectDelta(

            [((None, b''), (None, stat.S_IFDIR), (None, t.id))])

        a = Blob.from_string(b'contents of a\n')

        t = Tree()

        t.add(b"a", stat.S_IFREG | 0o644, a.id)

        self.expectDelta(

            [((None, b''), (None, stat.S_IFDIR), (None, t.id)),

             ((None, b'a'), (None, stat.S_IFREG | 0o644), (None, a.id))],

            [b'a'],

            want_unversioned=True)

    def test_missing_added_file(self):

        self.build_tree(['a'])

        self.wt.add(['a'])

        os.unlink('a')

        a = Blob.from_string(b'contents of a\n')

        t = Tree()

        t.add(b"a", 0, ZERO_SHA)

        self.expectDelta(

            [((None, b''), (None, stat.S_IFDIR), (None, t.id)),

             ((None, b'a'), (None, 0), (None, ZERO_SHA))],

            [])

    def test_missing_versioned_file(self):

        self.build_tree(['a'])

        self.wt.add(['a'])

        self.wt.commit('')

        os.unlink('a')

        a = Blob.from_string(b'contents of a\n')

        oldt = Tree()

        oldt.add(b"a", stat.S_IFREG | 0o644, a.id)

        newt = Tree()

        newt.add(b"a", 0, ZERO_SHA)

        self.expectDelta(

                [((b'', b''), (stat.S_IFDIR, stat.S_IFDIR), (oldt.id, newt.id)),

                 ((b'a', b'a'), (stat.S_IFREG|0o644, 0), (a.id, ZERO_SHA))])

    def test_versioned_replace_by_dir(self):

        self.build_tree(['a'])

        self.wt.add(['a'])

        self.wt.commit('')

        os.unlink('a')

        os.mkdir('a')

        olda = Blob.from_string(b'contents of a\n')

        oldt = Tree()

        oldt.add(b"a", stat.S_IFREG | 0o644, olda.id)

        newt = Tree()

        newa = Tree()

        newt.add(b"a", stat.S_IFDIR, newa.id)

        self.expectDelta([

            ((b'', b''),

            (stat.S_IFDIR, stat.S_IFDIR),

            (oldt.id, newt.id)),

            ((b'a', b'a'), (stat.S_IFREG | 0o644, stat.S_IFDIR), (olda.id, newa.id))

            ], want_unversioned=False)

        self.expectDelta([

            ((b'', b''),

            (stat.S_IFDIR, stat.S_IFDIR),

            (oldt.id, newt.id)),

            ((b'a', b'a'), (stat.S_IFREG | 0o644, stat.S_IFDIR), (olda.id, newa.id))

            ], want_unversioned=True)

    def test_extra(self):

        self.build_tree(['a'])

        newa = Blob.from_string(b'contents of a\n')

        newt = Tree()

        newt.add(b"a", stat.S_IFREG | 0o644, newa.id)

        self.expectDelta([

            ((None, b''),

            (None, stat.S_IFDIR),

            (None, newt.id)),

            ((None, b'a'), (None, stat.S_IFREG | 0o644), (None, newa.id))

            ], [b'a'], want_unversioned=True)