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|
# test_fastexport.py -- Fast export/import functionality
# Copyright (C) 2010 Jelmer Vernooij <jelmer@jelmer.uk>
#
# SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
# Dulwich is dual-licensed under the Apache License, Version 2.0 and the GNU
# General Public License as published by the Free Software Foundation; version 2.0
# or (at your option) any later version. You can redistribute it and/or
# modify it under the terms of either of these two licenses.
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# You should have received a copy of the licenses; if not, see
# <http://www.gnu.org/licenses/> for a copy of the GNU General Public License
# and <http://www.apache.org/licenses/LICENSE-2.0> for a copy of the Apache
# License, Version 2.0.
#
import stat
from io import BytesIO
from dulwich.object_store import MemoryObjectStore
from dulwich.objects import ZERO_SHA, Blob, Commit, Tree
from dulwich.repo import MemoryRepo
from dulwich.tests.utils import build_commit_graph, make_commit
from . import DependencyMissing, TestCase
class GitFastExporterTests(TestCase):
"""Tests for the GitFastExporter tests."""
def setUp(self) -> None:
super().setUp()
self.store = MemoryObjectStore()
self.stream = BytesIO()
try:
from dulwich.fastexport import GitFastExporter
except ImportError as exc:
raise DependencyMissing("python-fastimport") from exc
self.fastexporter = GitFastExporter(self.stream, self.store)
def test_emit_blob(self) -> None:
b = Blob()
b.data = b"fooBAR"
self.fastexporter.emit_blob(b)
self.assertEqual(b"blob\nmark :1\ndata 6\nfooBAR\n", self.stream.getvalue())
def test_emit_commit(self) -> None:
b = Blob()
b.data = b"FOO"
t = Tree()
t.add(b"foo", stat.S_IFREG | 0o644, b.id)
c = make_commit(
author=b"Jelmer <jelmer@host>",
committer=b"Jelmer <jelmer@host>",
author_time=1271345553,
commit_time=1271345553,
author_timezone=0,
commit_timezone=0,
message=b"msg",
tree=t.id,
)
self.store.add_objects([(b, None), (t, None), (c, None)])
self.fastexporter.emit_commit(c, b"refs/heads/master")
self.assertEqual(
b"""blob
mark :1
data 3
FOO
commit refs/heads/master
mark :2
author Jelmer <jelmer@host> 1271345553 +0000
committer Jelmer <jelmer@host> 1271345553 +0000
data 3
msg
M 644 :1 foo
""",
self.stream.getvalue(),
)
class GitImportProcessorTests(TestCase):
"""Tests for the GitImportProcessor tests."""
def setUp(self) -> None:
super().setUp()
self.repo = MemoryRepo()
self.addCleanup(self.repo.close)
try:
from dulwich.fastexport import GitImportProcessor
except ImportError as exc:
raise DependencyMissing("python-fastimport") from exc
self.processor = GitImportProcessor(self.repo)
def test_reset_handler(self) -> None:
from fastimport import commands
[c1] = build_commit_graph(self.repo.object_store, [[1]])
cmd = commands.ResetCommand(b"refs/heads/foo", c1.id)
self.processor.reset_handler(cmd)
self.assertEqual(c1.id, self.repo.get_refs()[b"refs/heads/foo"])
self.assertEqual(c1.id, self.processor.last_commit)
def test_reset_handler_marker(self) -> None:
from fastimport import commands
[c1, _c2] = build_commit_graph(self.repo.object_store, [[1], [2]])
self.processor.markers[b"10"] = c1.id
cmd = commands.ResetCommand(b"refs/heads/foo", b":10")
self.processor.reset_handler(cmd)
self.assertEqual(c1.id, self.repo.get_refs()[b"refs/heads/foo"])
def test_reset_handler_default(self) -> None:
from fastimport import commands
[_c1, _c2] = build_commit_graph(self.repo.object_store, [[1], [2]])
cmd = commands.ResetCommand(b"refs/heads/foo", None)
self.processor.reset_handler(cmd)
self.assertEqual(ZERO_SHA, self.repo.get_refs()[b"refs/heads/foo"])
def test_commit_handler(self) -> None:
from fastimport import commands
cmd = commands.CommitCommand(
b"refs/heads/foo",
b"mrkr",
(b"Jelmer", b"jelmer@samba.org", 432432432.0, 3600),
(b"Jelmer", b"jelmer@samba.org", 432432432.0, 3600),
b"FOO",
None,
[],
[],
)
self.processor.commit_handler(cmd)
commit = self.repo[self.processor.last_commit]
self.assertEqual(b"Jelmer <jelmer@samba.org>", commit.author)
self.assertEqual(b"Jelmer <jelmer@samba.org>", commit.committer)
self.assertEqual(b"FOO", commit.message)
self.assertEqual([], commit.parents)
self.assertEqual(432432432.0, commit.commit_time)
self.assertEqual(432432432.0, commit.author_time)
self.assertEqual(3600, commit.commit_timezone)
self.assertEqual(3600, commit.author_timezone)
self.assertEqual(commit, self.repo[b"refs/heads/foo"])
def test_commit_handler_markers(self) -> None:
from fastimport import commands
[c1, c2, c3] = build_commit_graph(self.repo.object_store, [[1], [2], [3]])
self.processor.markers[b"10"] = c1.id
self.processor.markers[b"42"] = c2.id
self.processor.markers[b"98"] = c3.id
cmd = commands.CommitCommand(
b"refs/heads/foo",
b"mrkr",
(b"Jelmer", b"jelmer@samba.org", 432432432.0, 3600),
(b"Jelmer", b"jelmer@samba.org", 432432432.0, 3600),
b"FOO",
b":10",
[b":42", b":98"],
[],
)
self.processor.commit_handler(cmd)
commit = self.repo[self.processor.last_commit]
self.assertEqual(c1.id, commit.parents[0])
self.assertEqual(c2.id, commit.parents[1])
self.assertEqual(c3.id, commit.parents[2])
def test_import_stream(self) -> None:
markers = self.processor.import_stream(
BytesIO(
b"""blob
mark :1
data 11
text for a
commit refs/heads/master
mark :2
committer Joe Foo <joe@foo.com> 1288287382 +0000
data 20
<The commit message>
M 100644 :1 a
"""
)
)
self.assertEqual(2, len(markers))
self.assertIsInstance(self.repo[markers[b"1"]], Blob)
self.assertIsInstance(self.repo[markers[b"2"]], Commit)
def test_file_add(self) -> None:
from fastimport import commands
cmd = commands.BlobCommand(b"23", b"data")
self.processor.blob_handler(cmd)
cmd = commands.CommitCommand(
b"refs/heads/foo",
b"mrkr",
(b"Jelmer", b"jelmer@samba.org", 432432432.0, 3600),
(b"Jelmer", b"jelmer@samba.org", 432432432.0, 3600),
b"FOO",
None,
[],
[commands.FileModifyCommand(b"path", 0o100644, b":23", None)],
)
self.processor.commit_handler(cmd)
commit = self.repo[self.processor.last_commit]
self.assertEqual(
[(b"path", 0o100644, b"6320cd248dd8aeaab759d5871f8781b5c0505172")],
self.repo[commit.tree].items(),
)
def simple_commit(self):
from fastimport import commands
cmd = commands.BlobCommand(b"23", b"data")
self.processor.blob_handler(cmd)
cmd = commands.CommitCommand(
b"refs/heads/foo",
b"mrkr",
(b"Jelmer", b"jelmer@samba.org", 432432432.0, 3600),
(b"Jelmer", b"jelmer@samba.org", 432432432.0, 3600),
b"FOO",
None,
[],
[commands.FileModifyCommand(b"path", 0o100644, b":23", None)],
)
self.processor.commit_handler(cmd)
commit = self.repo[self.processor.last_commit]
return commit
def make_file_commit(self, file_cmds):
"""Create a trivial commit with the specified file commands.
Args:
file_cmds: File commands to run.
Returns: The created commit object
"""
from fastimport import commands
cmd = commands.CommitCommand(
b"refs/heads/foo",
b"mrkr",
(b"Jelmer", b"jelmer@samba.org", 432432432.0, 3600),
(b"Jelmer", b"jelmer@samba.org", 432432432.0, 3600),
b"FOO",
None,
[],
file_cmds,
)
self.processor.commit_handler(cmd)
return self.repo[self.processor.last_commit]
def test_file_copy(self) -> None:
from fastimport import commands
self.simple_commit()
commit = self.make_file_commit([commands.FileCopyCommand(b"path", b"new_path")])
self.assertEqual(
[
(
b"new_path",
0o100644,
b"6320cd248dd8aeaab759d5871f8781b5c0505172",
),
(
b"path",
0o100644,
b"6320cd248dd8aeaab759d5871f8781b5c0505172",
),
],
self.repo[commit.tree].items(),
)
def test_file_move(self) -> None:
from fastimport import commands
self.simple_commit()
commit = self.make_file_commit(
[commands.FileRenameCommand(b"path", b"new_path")]
)
self.assertEqual(
[
(
b"new_path",
0o100644,
b"6320cd248dd8aeaab759d5871f8781b5c0505172",
),
],
self.repo[commit.tree].items(),
)
def test_file_delete(self) -> None:
from fastimport import commands
self.simple_commit()
commit = self.make_file_commit([commands.FileDeleteCommand(b"path")])
self.assertEqual([], self.repo[commit.tree].items())
def test_file_deleteall(self) -> None:
from fastimport import commands
self.simple_commit()
commit = self.make_file_commit([commands.FileDeleteAllCommand()])
self.assertEqual([], self.repo[commit.tree].items())
|
