/brz/remove-bazaar

# Copyright (C) 2007-2018 Jelmer Vernoij <jelmer@jelmer.uk>

# Copyright (C) 2006, 2007 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

"""The basic test suite for bzr-git."""

from __future__ import absolute_import

from io import BytesIO

import time

from ... import (

    errors as bzr_errors,

    tests,

    )

from ...tests.features import (

    Feature,

    ModuleAvailableFeature,

    )

from .. import (

    import_dulwich,

    )

TestCase = tests.TestCase

TestCaseInTempDir = tests.TestCaseInTempDir

TestCaseWithTransport = tests.TestCaseWithTransport

TestCaseWithMemoryTransport = tests.TestCaseWithMemoryTransport

class _DulwichFeature(Feature):

    def _probe(self):

        try:

            import_dulwich()

        except bzr_errors.DependencyNotPresent:

            return False

        return True

    def feature_name(self):

        return 'dulwich'

DulwichFeature = _DulwichFeature()

FastimportFeature = ModuleAvailableFeature('fastimport')

class GitBranchBuilder(object):

    def __init__(self, stream=None):

        if not FastimportFeature.available():

            raise tests.UnavailableFeature(FastimportFeature)

        self.commit_info = []

        self.orig_stream = stream

        if stream is None:

            self.stream = BytesIO()

        else:

            self.stream = stream

        self._counter = 0

        self._branch = b'refs/heads/master'

    def set_branch(self, branch):

        """Set the branch we are committing."""

        self._branch = branch

    def _write(self, text):

        self.stream.write(text)

    def _writelines(self, lines):

        self.stream.writelines(lines)

    def _create_blob(self, content):

        self._counter += 1

        from fastimport.commands import BlobCommand

        blob = BlobCommand(b'%d' % self._counter, content)

        self._write(bytes(blob) + b"\n")

        return self._counter

    def set_symlink(self, path, content):

        """Create or update symlink at a given path."""

        mark = self._create_blob(self._encode_path(content))

        mode = b'120000'

        self.commit_info.append(b'M %s :%d %s\n'

                                % (mode, mark, self._encode_path(path)))

    def set_submodule(self, path, commit_sha):

        """Create or update submodule at a given path."""

        mode = b'160000'

        self.commit_info.append(

            b'M %s %s %s\n' % (mode, commit_sha, self._encode_path(path)))

    def set_file(self, path, content, executable):

        """Create or update content at a given path."""

        mark = self._create_blob(content)

        if executable:

            mode = b'100755'

        else:

            mode = b'100644'

        self.commit_info.append(b'M %s :%d %s\n'

                                % (mode, mark, self._encode_path(path)))

    def delete_entry(self, path):

        """This will delete files or symlinks at the given location."""

        self.commit_info.append(b'D %s\n' % (self._encode_path(path),))

    @staticmethod

    def _encode_path(path):

        if isinstance(path, bytes):

            return path

        if '\n' in path or path[0] == '"':

            path = path.replace('\\', '\\\\')

            path = path.replace('\n', '\\n')

            path = path.replace('"', '\\"')

            path = '"' + path + '"'

        return path.encode('utf-8')

    # TODO: Author

    # TODO: Author timestamp+timezone

    def commit(self, committer, message, timestamp=None,

               timezone=b'+0000', author=None,

               merge=None, base=None):

        """Commit the new content.

        :param committer: The name and address for the committer

        :param message: The commit message

        :param timestamp: The timestamp for the commit

        :param timezone: The timezone of the commit, such as '+0000' or '-1000'

        :param author: The name and address of the author (if different from

            committer)

        :param merge: A list of marks if this should merge in another commit

        :param base: An id for the base revision (primary parent) if that

            is not the last commit.

        :return: A mark which can be used in the future to reference this

            commit.

        """

        self._counter += 1

        mark = b'%d' % (self._counter,)

        if timestamp is None:

            timestamp = int(time.time())

        self._write(b'commit %s\n' % (self._branch,))

        self._write(b'mark :%s\n' % (mark,))

        self._write(b'committer %s %ld %s\n'

                    % (committer, timestamp, timezone))

        if not isinstance(message, bytes):

            message = message.encode('UTF-8')

        self._write(b'data %d\n' % (len(message),))

        self._write(message)

        self._write(b'\n')

        if base is not None:

            self._write(b'from :%s\n' % (base,))

        if merge is not None:

            for m in merge:

                self._write(b'merge :%s\n' % (m,))

        self._writelines(self.commit_info)

        self._write(b'\n')

        self.commit_info = []

        return mark

    def reset(self, ref=None, mark=None):

        """Create or recreate the named branch.

        :param ref: branch name, defaults to the current branch.

        :param mark: commit the branch will point to.

        """

        if ref is None:

            ref = self._branch

        self._write(b'reset %s\n' % (ref,))

        if mark is not None:

            self._write(b'from :%s\n' % mark)

        self._write(b'\n')

    def finish(self):

        """We are finished building, close the stream, get the id mapping"""

        self.stream.seek(0)

        if self.orig_stream is None:

            from dulwich.repo import Repo

            r = Repo(".")

            from dulwich.fastexport import GitImportProcessor

            importer = GitImportProcessor(r)

            return importer.import_stream(self.stream)

class MissingFeature(tests.TestCase):

    def test_dulwich(self):

        self.requireFeature(DulwichFeature)

def load_tests(loader, basic_tests, pattern):

    suite = loader.suiteClass()

    # add the tests for this module

    suite.addTests(basic_tests)

    prefix = __name__ + '.'

    if not DulwichFeature.available():

        suite.addTests(loader.loadTestsFromTestCase(MissingFeature))

        return suite

    testmod_names = [

        'test_blackbox',

        'test_builder',

        'test_branch',

        'test_cache',

        'test_dir',

        'test_fetch',

        'test_git_remote_helper',

        'test_mapping',

        'test_memorytree',

        'test_object_store',

        'test_pristine_tar',

        'test_push',

        'test_remote',

        'test_repository',

        'test_refs',

        'test_revspec',

        'test_roundtrip',

        'test_server',

        'test_transportgit',

        'test_tree',

        'test_unpeel_map',

        'test_urls',

        'test_workingtree',

        ]

    # add the tests for the sub modules

    suite.addTests(loader.loadTestsFromModuleNames(

        [prefix + module_name for module_name in testmod_names]))

    return suite