GitPython/test/test_git.py at main · gitpython-developers/GitPython · GitHub

Repository navigation

History

1015 lines (855 loc) · 43.7 KB

Raw

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

157

158

159

160

161

162

163

164

165

166

167

168

169

170

171

172

173

174

175

176

177

178

179

180

181

182

183

184

185

186

187

188

189

190

191

192

193

194

195

196

197

198

199

200

201

202

203

204

205

206

207

208

209

210

211

212

213

214

215

216

217

218

219

220

221

222

223

224

225

226

227

228

229

230

231

232

233

234

235

236

237

238

239

240

241

242

243

244

245

246

247

248

249

250

251

252

253

254

255

256

257

258

259

260

261

262

263

264

265

266

267

268

269

270

271

272

273

274

275

276

277

278

279

280

281

282

283

284

285

286

287

288

289

290

291

292

293

294

295

296

297

298

299

300

301

302

303

304

305

306

307

308

309

310

311

312

313

314

315

316

317

318

319

320

321

322

323

324

325

326

327

328

329

330

331

332

333

334

335

336

337

338

339

340

341

342

343

344

345

346

347

348

349

350

351

352

353

354

355

356

357

358

359

360

361

362

363

364

365

366

367

368

369

370

371

372

373

374

375

376

377

378

379

380

381

382

383

384

385

386

387

388

389

390

391

392

393

394

395

396

397

398

399

400

401

402

403

404

405

406

407

408

409

410

411

412

413

414

415

416

417

418

419

420

421

422

423

424

425

426

427

428

429

430

431

432

433

434

435

436

437

438

439

440

441

442

443

444

445

446

447

448

449

450

451

452

453

454

455

456

457

458

459

460

461

462

463

464

465

466

467

468

469

470

471

472

473

474

475

476

477

478

479

480

481

482

483

484

485

486

487

488

489

490

491

492

493

494

495

496

497

498

499

500

501

502

503

504

505

506

507

508

509

510

511

512

513

514

515

516

517

518

519

520

521

522

523

524

525

526

527

528

529

530

531

532

533

534

535

536

537

538

539

540

541

542

543

544

545

546

547

548

549

550

551

552

553

554

555

556

557

558

559

560

561

562

563

564

565

566

567

568

569

570

571

572

573

574

575

576

577

578

579

580

581

582

583

584

585

586

587

588

589

590

591

592

593

594

595

596

597

598

599

600

601

602

603

604

605

606

607

608

609

610

611

612

613

614

615

616

617

618

619

620

621

622

623

624

625

626

627

628

629

630

631

632

633

634

635

636

637

638

639

640

641

642

643

644

645

646

647

648

649

650

651

652

653

654

655

656

657

658

659

660

661

662

663

664

665

666

667

668

669

670

671

672

673

674

675

676

677

678

679

680

681

682

683

684

685

686

687

688

689

690

691

692

693

694

695

696

697

698

699

700

701

702

703

704

705

706

707

708

709

710

711

712

713

714

715

716

717

718

719

720

721

722

723

724

725

726

727

728

729

730

731

732

733

734

735

736

737

738

739

740

741

742

743

744

745

746

747

748

749

750

751

752

753

754

755

756

757

758

759

760

761

762

763

764

765

766

767

768

769

770

771

772

773

774

775

776

777

778

779

780

781

782

783

784

785

786

787

788

789

790

791

792

793

794

795

796

797

798

799

800

801

802

803

804

805

806

807

808

809

810

811

812

813

814

815

816

817

818

819

820

821

822

823

824

825

826

827

828

829

830

831

832

833

834

835

836

837

838

839

840

841

842

843

844

845

846

847

848

849

850

851

852

853

854

855

856

857

858

859

860

861

862

863

864

865

866

867

868

869

870

871

872

873

874

875

876

877

878

879

880

881

882

883

884

885

886

887

888

889

890

891

892

893

894

895

896

897

898

899

900

901

902

903

904

905

906

907

908

909

910

911

912

913

914

915

916

917

918

919

920

921

922

923

924

925

926

927

928

929

930

931

932

933

934

935

936

937

938

939

940

941

942

943

944

945

946

947

948

949

950

951

952

953

954

955

956

957

958

959

960

961

962

963

964

965

966

967

968

969

970

971

972

973

974

975

976

977

978

979

980

981

982

983

984

985

986

987

988

989

990

991

992

993

994

995

996

997

998

999

1000

# This module is part of GitPython and is released under the

# 3-Clause BSD License: https://opensource.org/license/bsd-3-clause/

import contextlib

import gc

import inspect

import io

import logging

import os

import os.path as osp

from pathlib import Path

import pickle

import re

import shutil

import signal

import subprocess

import sys

import tempfile

import time

from unittest import mock, skipUnless

import ddt

from git import Git, GitCommandError, GitCommandNotFound, Repo, cmd, refresh

from git.exc import UnsafeOptionError

from git.util import cwd, finalize_process

from test.lib import TestBase, fixture_path, with_rw_directory

@contextlib.contextmanager

def _patch_out_env(name):

try:

old_value = os.environ[name]

except KeyError:

old_value = None

else:

del os.environ[name]

try:

yield

finally:

if old_value is not None:

os.environ[name] = old_value

@contextlib.contextmanager

def _rollback_refresh():

old_git_executable = Git.GIT_PYTHON_GIT_EXECUTABLE

if old_git_executable is None:

raise RuntimeError("no executable string (need initial refresh before test)")

try:

yield old_git_executable # Provide the old value for convenience.

finally:

# The cleanup refresh should always raise an exception if it fails, since if it

# fails then previously discovered test results could be misleading and, more

# importantly, subsequent tests may be unable to run or give misleading results.

# So pre-set a non-None value, so that the cleanup will be a "second" refresh.

# This covers cases where a test has set it to None to test a "first" refresh.

Git.GIT_PYTHON_GIT_EXECUTABLE = Git.git_exec_name

# Do the cleanup refresh. This sets Git.GIT_PYTHON_GIT_EXECUTABLE to old_value

# in most cases. The reason to call it is to achieve other associated state

# changes as well, which include updating attributes of the FetchInfo class.

refresh()

@contextlib.contextmanager

def _fake_git(*version_info):

fake_version = ".".join(map(str, version_info))

fake_output = f"git version {fake_version} (fake)"

with tempfile.TemporaryDirectory() as tdir:

if sys.platform == "win32":

fake_git = Path(tdir, "fake-git.cmd")

script = f"@echo {fake_output}\n"

fake_git.write_text(script, encoding="utf-8")

else:

fake_git = Path(tdir, "fake-git")

script = f"#!/bin/sh\necho '{fake_output}'\n"

fake_git.write_text(script, encoding="utf-8")

fake_git.chmod(0o755)

yield str(fake_git.absolute())

def _rename_with_stem(path, new_stem):

if sys.version_info >= (3, 9):

path.rename(path.with_stem(new_stem))

else:

path.rename(path.with_name(new_stem + path.suffix))

@ddt.ddt

class TestGit(TestBase):

@classmethod

def setUpClass(cls):

super().setUpClass()

cls.git = Git(cls.rorepo.working_dir)

def tearDown(self):

gc.collect()

def _assert_logged_for_popen(self, log_watcher, name, value):

re_name = re.escape(name)

re_value = re.escape(str(value))

re_line = re.compile(rf"DEBUG:git.cmd:Popen\(.*\b{re_name}={re_value}[,)]")

match_attempts = [re_line.match(message) for message in log_watcher.output]

self.assertTrue(any(match_attempts), repr(log_watcher.output))

@mock.patch.object(Git, "execute")

def test_call_process_calls_execute(self, git):

git.return_value = ""

self.git.version()

self.assertTrue(git.called)

self.assertEqual(git.call_args, ((["git", "version"],), {}))

def test_call_unpack_args_unicode(self):

args = Git._unpack_args("Unicode€™")

mangled_value = "Unicode\u20ac\u2122"

self.assertEqual(args, [mangled_value])

def test_call_unpack_args(self):

args = Git._unpack_args(["git", "log", "--", "Unicode€™"])

mangled_value = "Unicode\u20ac\u2122"

self.assertEqual(args, ["git", "log", "--", mangled_value])

def test_it_raises_errors(self):

self.assertRaises(GitCommandError, self.git.this_does_not_exist)

def test_it_transforms_kwargs_into_git_command_arguments(self):

self.assertEqual(["-s"], self.git.transform_kwargs(s=True))

self.assertEqual(["-s", "5"], self.git.transform_kwargs(s=5))

self.assertEqual([], self.git.transform_kwargs(s=None))

self.assertEqual(["--max-count"], self.git.transform_kwargs(max_count=True))

self.assertEqual(["--max-count=5"], self.git.transform_kwargs(max_count=5))

self.assertEqual(["--max-count=0"], self.git.transform_kwargs(max_count=0))

self.assertEqual([], self.git.transform_kwargs(max_count=None))

# Multiple args are supported by using lists/tuples.

self.assertEqual(

["-L", "1-3", "-L", "12-18"],

self.git.transform_kwargs(L=("1-3", "12-18")),

)

self.assertEqual(["-C", "-C"], self.git.transform_kwargs(C=[True, True, None, False]))

# Order is undefined.

res = self.git.transform_kwargs(s=True, t=True)

self.assertEqual({"-s", "-t"}, set(res))

def test_check_unsafe_options_normalizes_kwargs(self):

cases = [

(["upload_pack"], ["--upload-pack"]),

(["receive_pack"], ["--receive-pack"]),

(["exec"], ["--exec"]),

(["u"], ["-u"]),

(["c"], ["-c"]),

(["--upload-pack=/tmp/helper"], ["--upload-pack"]),

(["--config core.filemode=false"], ["--config"]),

(["--upl=/tmp/helper"], ["--upload-pack"]),

(["conf"], ["--config"]),

(["--out=/tmp/output"], ["--output"]),

]

for options, unsafe_options in cases:

with self.assertRaises(UnsafeOptionError):

Git.check_unsafe_options(options=options, unsafe_options=unsafe_options)

def test_check_unsafe_options_does_not_treat_short_options_as_abbreviations(self):

unsafe_options = ["--upload-pack"]

Git.check_unsafe_options(options=["-u", "u", "-upl"], unsafe_options=unsafe_options)

with self.assertRaises(UnsafeOptionError):

Git.check_unsafe_options(options=["--u"], unsafe_options=unsafe_options)

def test_check_unsafe_options_does_not_treat_option_values_as_abbreviations(self):

Git.check_unsafe_options(options=["--branch", "conf"], unsafe_options=["--config"])

def test_check_unsafe_options_rejects_joined_unsafe_short_options(self):

cases = [

(["-utouch /tmp/pwn"], ["-u"]),

(["-futouch /tmp/pwn"], ["-u"]),

(["-qutouch${IFS}/tmp/pwn"], ["-u"]),

(["-cprotocol.ext.allow=always"], ["-c"]),

(["-vcprotocol.ext.allow=always"], ["-c"]),

]

for options, unsafe_options in cases:

with self.assertRaises(UnsafeOptionError):

Git.check_unsafe_options(options=options, unsafe_options=unsafe_options)

def test_check_unsafe_options_allows_attached_safe_short_option_values(self):

unsafe_options = ["--upload-pack", "-u", "--config", "-c"]

Git.check_unsafe_options(options=["-oupstream", "-bcurrent"], unsafe_options=unsafe_options)

def test_option_candidates_ignore_untransformed_kwargs(self):

options = Git._option_candidates(

kwargs={

"output": None,

"upload_pack": False,

"exec": [],

"config": [None, False],

"max_count": 1,

}

)

self.assertEqual(options, ["--max-count"])

def test_option_candidates_include_falsey_non_boolean_values(self):

kwargs = {"pathspec_from_file": 0}

candidates = Git._option_candidates(kwargs=kwargs)

self.assertEqual(candidates, ["--pathspec-from-file"])

self.assertEqual(

self.git.transform_kwargs(split_single_char_options=True, **kwargs), ["--pathspec-from-file=0"]

)

with self.assertRaises(UnsafeOptionError):

Git.check_unsafe_options(

options=candidates,

unsafe_options=Git.unsafe_git_pathspec_from_file_options,

)

def test_option_candidates_include_split_single_char_option_values(self):

cases = [

({"n": "--upload-pack=helper"}, ["-n", "--upload-pack=helper"], ["--upload-pack"]),

({"g": ("safe", "--out=target")}, ["-g", "--out=target"], ["--output"]),

]

for kwargs, candidates, unsafe_options in cases:

self.assertEqual(Git._option_candidates(kwargs=kwargs), candidates)

with self.assertRaises(UnsafeOptionError):

Git.check_unsafe_options(options=candidates, unsafe_options=unsafe_options)

self.assertEqual(self.git.transform_kwargs(n="--upload-pack=helper"), ["-n", "--upload-pack=helper"])

unsplit_kwargs = {"n": "--upload-pack=helper", "split_single_char_options": False}

self.assertEqual(self.git.transform_kwargs(**unsplit_kwargs), ["-n--upload-pack=helper"])

self.assertEqual(Git._option_candidates(kwargs=unsplit_kwargs), ["-n--upload-pack=helper"])

def test_option_candidates_include_joined_single_char_option_values(self):

kwargs = {"n": "uhelper", "split_single_char_options": False}

candidates = Git._option_candidates(kwargs=kwargs)

self.assertEqual(candidates, ["-nuhelper"])

with self.assertRaises(UnsafeOptionError):

Git.check_unsafe_options(options=candidates, unsafe_options=["-u"])

_shell_cases = (

# value_in_call, value_from_class, expected_popen_arg

(None, False, False),

(None, True, True),

(False, True, False),

(False, False, False),

(True, False, True),

(True, True, True),

)

def _do_shell_combo(self, value_in_call, value_from_class):

with mock.patch.object(Git, "USE_SHELL", value_from_class):

with mock.patch.object(cmd, "safer_popen", wraps=cmd.safer_popen) as mock_safer_popen:

# Use a command with no arguments (besides the program name), so it runs

# with or without a shell, on all OSes, with the same effect.

self.git.execute(["git"], with_exceptions=False, shell=value_in_call)

return mock_safer_popen

@ddt.idata(_shell_cases)

def test_it_uses_shell_or_not_as_specified(self, case):

"""A bool passed as ``shell=`` takes precedence over `Git.USE_SHELL`."""

value_in_call, value_from_class, expected_popen_arg = case

mock_safer_popen = self._do_shell_combo(value_in_call, value_from_class)

mock_safer_popen.assert_called_once()

self.assertIs(mock_safer_popen.call_args.kwargs["shell"], expected_popen_arg)

@ddt.idata(full_case[:2] for full_case in _shell_cases)

def test_it_logs_if_it_uses_a_shell(self, case):

"""``shell=`` in the log message agrees with what is passed to `Popen`."""

value_in_call, value_from_class = case

with self.assertLogs(cmd.__name__, level=logging.DEBUG) as log_watcher:

mock_safer_popen = self._do_shell_combo(value_in_call, value_from_class)

self._assert_logged_for_popen(log_watcher, "shell", mock_safer_popen.call_args.kwargs["shell"])

@ddt.data(

("None", None),

("<valid stream>", subprocess.PIPE),

)

def test_it_logs_istream_summary_for_stdin(self, case):

expected_summary, istream_argument = case

with self.assertLogs(cmd.__name__, level=logging.DEBUG) as log_watcher:

self.git.execute(["git", "version"], istream=istream_argument)

self._assert_logged_for_popen(log_watcher, "stdin", expected_summary)

def test_it_executes_git_and_returns_result(self):

self.assertRegex(self.git.execute(["git", "version"]), r"^git version [\d\.]{2}.*$")

def test_it_output_stream_with_stdout_is_false(self):

temp_stream = io.BytesIO()

self.git.execute(

["git", "version"],

output_stream=temp_stream,

with_stdout=False,

)

self.assertEqual(temp_stream.tell(), 0)

@skipUnless(sys.platform != "win32", "kill_after_timeout is not supported on Windows")

def test_it_honors_kill_after_timeout_with_output_stream(self):

output_stream = io.BytesIO()

command = [

sys.executable,

"-c",

"import sys, time; sys.stdout.write('started\\n'); sys.stdout.flush(); sys.stdout.close(); time.sleep(60)",

]

started = time.monotonic()

status, _, stderr = self.git.execute(

command,

output_stream=output_stream,

kill_after_timeout=1,

with_exceptions=False,

with_extended_output=True,

)

self.assertLess(time.monotonic() - started, 5)

self.assertNotEqual(status, 0)

self.assertEqual(output_stream.getvalue(), b"started\n")

self.assertIn("Timeout: the command", stderr)

@skipUnless(

sys.platform not in ("win32", "cygwin"),

"child process lookup requires pgrep or POSIX ps",

)

@ddt.data(False, True)

def test_timeout_kills_direct_child(self, without_pgrep):

with tempfile.TemporaryDirectory() as directory:

marker = Path(directory, "child-survived")

child_code = (

"import pathlib, sys, time; time.sleep(2); "

"pathlib.Path(sys.argv[1]).write_text('survived', encoding='utf-8')"

)

parent_code = (

"import subprocess, sys, time; "

"subprocess.Popen([sys.executable, '-c', sys.argv[1], sys.argv[2]]); "

"time.sleep(30)"

)

popen = cmd.Popen

def portable_popen(args, **kwargs):

if without_pgrep and args[0] == "pgrep":

raise FileNotFoundError("pgrep is not installed")

return popen(args, **kwargs)

with mock.patch.object(cmd, "Popen", side_effect=portable_popen):

status, _, stderr = self.git.execute(

[sys.executable, "-c", parent_code, child_code, str(marker)],

kill_after_timeout=1,

with_exceptions=False,

with_extended_output=True,

)

self.assertNotEqual(status, 0)

self.assertIn("Timeout: the command", stderr)

self.assertFalse(marker.exists(), "the direct child survived the timeout")

@skipUnless(sys.platform != "win32", "kill_after_timeout is not supported on Windows")

def test_timeout_ps_fallback_selects_only_direct_children(self):

process = mock.MagicMock()

process.pid = 1234

process.communicate.return_value = (b"", b"")

process.returncode = -signal.SIGKILL

ps = mock.MagicMock()

ps.__enter__.return_value = ps

ps.stdout = io.BytesIO(b"PID PPID\n 321 1\n 5678 1234\n 9012 5678\n\n")

with contextlib.ExitStack() as stack:

stack.enter_context(mock.patch.object(cmd, "safer_popen", return_value=process))

stack.enter_context(mock.patch.object(cmd, "Popen", side_effect=[FileNotFoundError, ps]))

kill = stack.enter_context(mock.patch.object(cmd.os, "kill"))

timer = stack.enter_context(mock.patch.object(cmd.threading, "Timer"))

# Run the timeout callback synchronously, with no real processes or signals.

timer.return_value.start.side_effect = lambda: timer.call_args.args[1](1234)

self.git.execute(["git", "version"], kill_after_timeout=1, with_exceptions=False)

self.assertEqual(kill.call_args_list, [mock.call(1234, signal.SIGKILL), mock.call(5678, signal.SIGKILL)])

def test_it_executes_git_without_stdout_redirect(self):

returncode, stdout, stderr = self.git.execute(

["git", "version"],

with_extended_output=True,

with_stdout=False,

)

self.assertEqual(returncode, 0)

self.assertIsNone(stdout)

self.assertIsNotNone(stderr)

@ddt.data(

# chdir_to_repo, shell, command, use_shell_impostor

(False, False, ["git", "version"], False),

(False, True, "git version", False),

(False, True, "git version", True),

(True, False, ["git", "version"], False),

(True, True, "git version", False),

(True, True, "git version", True),

)

@with_rw_directory

def test_it_executes_git_not_from_cwd(self, rw_dir, case):

chdir_to_repo, shell, command, use_shell_impostor = case

repo = Repo.init(rw_dir)

if sys.platform == "win32":

# Copy an actual binary executable that is not git. (On Windows, running

# "hostname" only displays the hostname, it never tries to change it.)

other_exe_path = Path(os.environ["SystemRoot"], "system32", "hostname.exe")

impostor_path = Path(rw_dir, "git.exe")

shutil.copy(other_exe_path, impostor_path)

else:

# Create a shell script that doesn't do anything.

impostor_path = Path(rw_dir, "git")

impostor_path.write_text("#!/bin/sh\n", encoding="utf-8")

os.chmod(impostor_path, 0o755)

if use_shell_impostor:

shell_name = "cmd.exe" if sys.platform == "win32" else "sh"

shutil.copy(impostor_path, Path(rw_dir, shell_name))

with contextlib.ExitStack() as stack:

if chdir_to_repo:

stack.enter_context(cwd(rw_dir))

if use_shell_impostor:

stack.enter_context(_patch_out_env("ComSpec"))

# Run the command without raising an exception on failure, as the exception

# message is currently misleading when the command is a string rather than a

# sequence of strings (it really runs "git", but then wrongly reports "g").

output = repo.git.execute(command, with_exceptions=False, shell=shell)

self.assertRegex(output, r"^git version\b")

@skipUnless(

sys.platform == "win32",

"The regression only affected Windows, and this test logic is OS-specific.",

)

def test_it_avoids_upcasing_unrelated_environment_variable_names(self):

old_name = "28f425ca_d5d8_4257_b013_8d63166c8158"

if old_name == old_name.upper():

raise RuntimeError("test bug or strange locale: old_name invariant under upcasing")

# Step 1

# Set the environment variable in this parent process. Because os.putenv is a

# thin wrapper around a system API, os.environ never sees the variable in this

# parent process, so the name is not upcased even on Windows.

os.putenv(old_name, "1")

# Step 2

# Create the child process that inherits the environment variable. The child

# uses GitPython, and we are testing that it passes the variable with the exact

# original name to its own child process (the grandchild).

cmdline = [

sys.executable,

fixture_path("env_case.py"), # Contains steps 3 and 4.

self.rorepo.working_dir,

old_name,

]

# Run steps 3 and 4.

pair_text = subprocess.check_output(cmdline, shell=False, text=True)

new_name = pair_text.split("=")[0]

self.assertEqual(new_name, old_name)

def test_it_accepts_stdin(self):

filename = fixture_path("cat_file_blob")

with open(filename, "r") as fh:

self.assertEqual(

"70c379b63ffa0795fdbfbc128e5a2818397b7ef8",

self.git.hash_object(istream=fh, stdin=True),

)

@mock.patch.object(Git, "execute")

def test_it_ignores_false_kwargs(self, git):

# this_should_not_be_ignored=False implies it *should* be ignored.

self.git.version(pass_this_kwarg=False)

self.assertTrue("pass_this_kwarg" not in git.call_args[1])

def test_it_raises_proper_exception_with_output_stream(self):

with tempfile.TemporaryFile() as tmp_file:

with self.assertRaises(GitCommandError):

self.git.checkout("non-existent-branch", output_stream=tmp_file)

def test_it_redacts_authorization_extra_header_from_error(self):

token = "fake-token-1234"

command = [

"git",

"-c",

"http.extraHeader=Authorization: Bearer %s" % token,

"rev-parse",

"--verify",

"refs/does-not-exist",

]

with self.assertRaises(GitCommandError) as context:

self.git.execute(command)

message = str(context.exception)

self.assertNotIn(token, message)

self.assertIn("http.extraHeader=Authorization: *****", message)

def test_it_accepts_environment_variables(self):

filename = fixture_path("ls_tree_empty")

with open(filename, "r") as fh:

tree = self.git.mktree(istream=fh)

env = {

"GIT_AUTHOR_NAME": "Author Name",

"GIT_AUTHOR_EMAIL": "author@example.com",

"GIT_AUTHOR_DATE": "1400000000+0000",

"GIT_COMMITTER_NAME": "Committer Name",

"GIT_COMMITTER_EMAIL": "committer@example.com",

"GIT_COMMITTER_DATE": "1500000000+0000",

}

commit = self.git.commit_tree(tree, m="message", env=env)

self.assertEqual(commit, "4cfd6b0314682d5a58f80be39850bad1640e9241")

def test_persistent_cat_file_command(self):

# Read header only.

hexsha = "b2339455342180c7cc1e9bba3e9f181f7baa5167"

g = self.git.cat_file(batch_check=True, istream=subprocess.PIPE, as_process=True)

g.stdin.write(b"b2339455342180c7cc1e9bba3e9f181f7baa5167\n")

g.stdin.flush()

obj_info = g.stdout.readline()

# Read header + data.

g = self.git.cat_file(batch=True, istream=subprocess.PIPE, as_process=True)

g.stdin.write(b"b2339455342180c7cc1e9bba3e9f181f7baa5167\n")

g.stdin.flush()

obj_info_two = g.stdout.readline()

self.assertEqual(obj_info, obj_info_two)

# Read data - have to read it in one large chunk.

size = int(obj_info.split()[2])

g.stdout.read(size)

g.stdout.read(1)

# Now we should be able to read a new object.

g.stdin.write(b"b2339455342180c7cc1e9bba3e9f181f7baa5167\n")

g.stdin.flush()

self.assertEqual(g.stdout.readline(), obj_info)

# Same can be achieved using the respective command functions.

hexsha, typename, size = self.git.get_object_header(hexsha)

hexsha, typename_two, size_two, _ = self.git.get_object_data(hexsha)

self.assertEqual(typename, typename_two)

self.assertEqual(size, size_two)

def test_version_info(self):

"""The version_info attribute is a tuple of up to four ints."""

v = self.git.version_info

self.assertIsInstance(v, tuple)

self.assertLessEqual(len(v), 4)

for n in v:

self.assertIsInstance(n, int)

def test_version_info_pickleable(self):

"""The version_info attribute is usable on unpickled Git instances."""

deserialized = pickle.loads(pickle.dumps(self.git))

v = deserialized.version_info

self.assertIsInstance(v, tuple)

self.assertLessEqual(len(v), 4)

for n in v:

self.assertIsInstance(n, int)

@ddt.data(

(("123", "456", "789"), (123, 456, 789)),

(("12", "34", "56", "78"), (12, 34, 56, 78)),

(("12", "34", "56", "78", "90"), (12, 34, 56, 78)),

(("1", "2", "a", "3"), (1, 2)),

(("1", "-2", "3"), (1,)),

(("1", "2a", "3"), (1,)), # Subject to change.

)

def test_version_info_is_leading_numbers(self, case):

fake_fields, expected_version_info = case

with _rollback_refresh():

with _fake_git(*fake_fields) as path:

refresh(path)

new_git = Git()

self.assertEqual(new_git.version_info, expected_version_info)

def test_git_exc_name_is_git(self):

self.assertEqual(self.git.git_exec_name, "git")

def test_cmd_override(self):

"""Directly set bad GIT_PYTHON_GIT_EXECUTABLE causes git operations to raise."""

bad_path = osp.join("some", "path", "which", "doesn't", "exist", "gitbinary")

with mock.patch.object(Git, "GIT_PYTHON_GIT_EXECUTABLE", bad_path):

with self.assertRaises(GitCommandNotFound) as ctx:

self.git.version()

self.assertEqual(ctx.exception.command, [bad_path, "version"])

@ddt.data(("0",), ("q",), ("quiet",), ("s",), ("silence",), ("silent",), ("n",), ("none",))

def test_initial_refresh_from_bad_git_path_env_quiet(self, case):

"""In "q" mode, bad initial path sets "git" and is quiet."""

(mode,) = case

set_vars = {

"GIT_PYTHON_GIT_EXECUTABLE": str(Path("yada").absolute()), # Any bad path.

"GIT_PYTHON_REFRESH": mode,

}

with _rollback_refresh():

Git.GIT_PYTHON_GIT_EXECUTABLE = None # Simulate startup.

with mock.patch.dict(os.environ, set_vars):

refresh()

self.assertEqual(self.git.GIT_PYTHON_GIT_EXECUTABLE, "git")

@ddt.data(("1",), ("w",), ("warn",), ("warning",), ("l",), ("log",))

def test_initial_refresh_from_bad_git_path_env_warn(self, case):

"""In "w" mode, bad initial path sets "git" and warns, by logging."""

(mode,) = case

env_vars = {

"GIT_PYTHON_GIT_EXECUTABLE": str(Path("yada").absolute()), # Any bad path.

"GIT_PYTHON_REFRESH": mode,

}

with _rollback_refresh():

Git.GIT_PYTHON_GIT_EXECUTABLE = None # Simulate startup.

with mock.patch.dict(os.environ, env_vars):

with self.assertLogs(cmd.__name__, logging.CRITICAL) as ctx:

refresh()

assert ctx is not None

self.assertEqual(len(ctx.records), 1)

message = ctx.records[0].getMessage()

self.assertRegex(message, r"\ABad git executable.\n")

self.assertEqual(self.git.GIT_PYTHON_GIT_EXECUTABLE, "git")

@ddt.data(("2",), ("r",), ("raise",), ("e",), ("error",))

def test_initial_refresh_from_bad_git_path_env_error(self, case):

"""In "e" mode, bad initial path raises an exception."""

(mode,) = case

env_vars = {

"GIT_PYTHON_GIT_EXECUTABLE": str(Path("yada").absolute()), # Any bad path.

"GIT_PYTHON_REFRESH": mode,

}

with _rollback_refresh():

Git.GIT_PYTHON_GIT_EXECUTABLE = None # Simulate startup.

with mock.patch.dict(os.environ, env_vars):

with self.assertRaisesRegex(ImportError, r"\ABad git executable.\n"):

refresh()

def test_initial_refresh_from_good_absolute_git_path_env(self):

"""Good initial absolute path from environment is set."""

absolute_path = shutil.which("git")

with _rollback_refresh():

Git.GIT_PYTHON_GIT_EXECUTABLE = None # Simulate startup.

with mock.patch.dict(os.environ, {"GIT_PYTHON_GIT_EXECUTABLE": absolute_path}):

refresh()

self.assertEqual(self.git.GIT_PYTHON_GIT_EXECUTABLE, absolute_path)

def test_initial_refresh_from_good_relative_git_path_env(self):

"""Good initial relative path from environment is kept relative and set."""

with _rollback_refresh():

# Set the fallback to a string that wouldn't work and isn't "git", so we are

# more likely to detect if "git" is not set from the environment variable.

with mock.patch.object(Git, "git_exec_name", ""):

Git.GIT_PYTHON_GIT_EXECUTABLE = None # Simulate startup.

# Now observe if setting the environment variable to "git" takes effect.

with mock.patch.dict(os.environ, {"GIT_PYTHON_GIT_EXECUTABLE": "git"}):

refresh()

self.assertEqual(self.git.GIT_PYTHON_GIT_EXECUTABLE, "git")

def test_refresh_from_bad_absolute_git_path_env(self):

"""Bad absolute path from environment is reported and not set."""

absolute_path = str(Path("yada").absolute())

expected_pattern = rf"\n[ \t]*cmdline: {re.escape(absolute_path)}\Z"

with _rollback_refresh() as old_git_executable:

with mock.patch.dict(os.environ, {"GIT_PYTHON_GIT_EXECUTABLE": absolute_path}):

with self.assertRaisesRegex(GitCommandNotFound, expected_pattern):

refresh()

self.assertEqual(self.git.GIT_PYTHON_GIT_EXECUTABLE, old_git_executable)

def test_refresh_from_bad_relative_git_path_env(self):

"""Bad relative path from environment is kept relative and reported, not set."""

# Relative paths are not resolved when refresh() is called with no arguments, so

# use a string that's very unlikely to be a command name found in a path lookup.

relative_path = "yada-e47e70c6-acbf-40f8-ad65-13af93c2195b"

expected_pattern = rf"\n[ \t]*cmdline: {re.escape(relative_path)}\Z"

with _rollback_refresh() as old_git_executable:

with mock.patch.dict(os.environ, {"GIT_PYTHON_GIT_EXECUTABLE": relative_path}):

with self.assertRaisesRegex(GitCommandNotFound, expected_pattern):

refresh()

self.assertEqual(self.git.GIT_PYTHON_GIT_EXECUTABLE, old_git_executable)

def test_refresh_from_good_absolute_git_path_env(self):

"""Good absolute path from environment is set."""

absolute_path = shutil.which("git")

with _rollback_refresh():

with mock.patch.dict(os.environ, {"GIT_PYTHON_GIT_EXECUTABLE": absolute_path}):

refresh()

self.assertEqual(self.git.GIT_PYTHON_GIT_EXECUTABLE, absolute_path)

def test_refresh_from_good_relative_git_path_env(self):

"""Good relative path from environment is kept relative and set."""

with _rollback_refresh():

# Set as the executable name a string that wouldn't work and isn't "git".

Git.GIT_PYTHON_GIT_EXECUTABLE = ""

# Now observe if setting the environment variable to "git" takes effect.

with mock.patch.dict(os.environ, {"GIT_PYTHON_GIT_EXECUTABLE": "git"}):

refresh()

self.assertEqual(self.git.GIT_PYTHON_GIT_EXECUTABLE, "git")

def test_refresh_with_bad_absolute_git_path_arg(self):

"""Bad absolute path arg is reported and not set."""

absolute_path = str(Path("yada").absolute())

expected_pattern = rf"\n[ \t]*cmdline: {re.escape(absolute_path)}\Z"

with _rollback_refresh() as old_git_executable:

with self.assertRaisesRegex(GitCommandNotFound, expected_pattern):

refresh(absolute_path)

self.assertEqual(self.git.GIT_PYTHON_GIT_EXECUTABLE, old_git_executable)

def test_refresh_with_bad_relative_git_path_arg(self):

"""Bad relative path arg is resolved to absolute path and reported, not set."""

absolute_path = str(Path("yada").absolute())

expected_pattern = rf"\n[ \t]*cmdline: {re.escape(absolute_path)}\Z"

with _rollback_refresh() as old_git_executable:

with self.assertRaisesRegex(GitCommandNotFound, expected_pattern):

refresh("yada")

self.assertEqual(self.git.GIT_PYTHON_GIT_EXECUTABLE, old_git_executable)

def test_refresh_with_good_absolute_git_path_arg(self):

"""Good absolute path arg is set."""

absolute_path = shutil.which("git")

with _rollback_refresh():

refresh(absolute_path)

self.assertEqual(self.git.GIT_PYTHON_GIT_EXECUTABLE, absolute_path)

def test_refresh_with_good_relative_git_path_arg(self):

"""Good relative path arg is resolved to absolute path and set."""

absolute_path = shutil.which("git")

assert absolute_path is not None

dirname, basename = osp.split(absolute_path)

with cwd(dirname):

with _rollback_refresh():

refresh(basename)

self.assertEqual(self.git.GIT_PYTHON_GIT_EXECUTABLE, absolute_path)

def test_version_info_is_cached(self):

fake_version_info = (123, 456, 789)

with _rollback_refresh():

with _fake_git(*fake_version_info) as path:

new_git = Git() # Not cached yet.

refresh(path)

self.assertEqual(new_git.version_info, fake_version_info)

os.remove(path) # Arrange that a second subprocess call would fail.

self.assertEqual(new_git.version_info, fake_version_info)

def test_version_info_cache_is_per_instance(self):

with _rollback_refresh():

with _fake_git(123, 456, 789) as path:

git1 = Git()

git2 = Git()

refresh(path)

git1.version_info

os.remove(path) # Arrange that the second subprocess call will fail.

with self.assertRaises(GitCommandNotFound):

git2.version_info

git1.version_info

def test_version_info_cache_is_not_pickled(self):

with _rollback_refresh():

with _fake_git(123, 456, 789) as path:

git1 = Git()

refresh(path)

git1.version_info

git2 = pickle.loads(pickle.dumps(git1))

os.remove(path) # Arrange that the second subprocess call will fail.

with self.assertRaises(GitCommandNotFound):

git2.version_info

git1.version_info

def test_successful_refresh_with_arg_invalidates_cached_version_info(self):

with _rollback_refresh():

with _fake_git(11, 111, 1) as path1:

with _fake_git(22, 222, 2) as path2:

new_git = Git()

refresh(path1)

new_git.version_info

refresh(path2)

self.assertEqual(new_git.version_info, (22, 222, 2))

def test_failed_refresh_with_arg_does_not_invalidate_cached_version_info(self):

with _rollback_refresh():

with _fake_git(11, 111, 1) as path1:

with _fake_git(22, 222, 2) as path2:

new_git = Git()

refresh(path1)

new_git.version_info

os.remove(path1) # Arrange that a repeat call for path1 would fail.

os.remove(path2) # Arrange that the new call for path2 will fail.

with self.assertRaises(GitCommandNotFound):

refresh(path2)

self.assertEqual(new_git.version_info, (11, 111, 1))

def test_successful_refresh_with_same_arg_invalidates_cached_version_info(self):

"""Changing git at the same path and refreshing affects version_info."""

with _rollback_refresh():

with _fake_git(11, 111, 1) as path1:

with _fake_git(22, 222, 2) as path2:

new_git = Git()

refresh(path1)

new_git.version_info

shutil.copy(path2, path1)

refresh(path1) # The fake git at path1 has a different version now.

self.assertEqual(new_git.version_info, (22, 222, 2))

def test_successful_refresh_with_env_invalidates_cached_version_info(self):

with contextlib.ExitStack() as stack:

stack.enter_context(_rollback_refresh())

path1 = stack.enter_context(_fake_git(11, 111, 1))

path2 = stack.enter_context(_fake_git(22, 222, 2))

with mock.patch.dict(os.environ, {"GIT_PYTHON_GIT_EXECUTABLE": path1}):

new_git = Git()

refresh()

new_git.version_info

with mock.patch.dict(os.environ, {"GIT_PYTHON_GIT_EXECUTABLE": path2}):

refresh()

self.assertEqual(new_git.version_info, (22, 222, 2))

def test_failed_refresh_with_env_does_not_invalidate_cached_version_info(self):

with contextlib.ExitStack() as stack:

stack.enter_context(_rollback_refresh())

path1 = stack.enter_context(_fake_git(11, 111, 1))

path2 = stack.enter_context(_fake_git(22, 222, 2))

with mock.patch.dict(os.environ, {"GIT_PYTHON_GIT_EXECUTABLE": path1}):

new_git = Git()

refresh()

new_git.version_info

os.remove(path1) # Arrange that a repeat call for path1 would fail.

os.remove(path2) # Arrange that the new call for path2 will fail.

with mock.patch.dict(os.environ, {"GIT_PYTHON_GIT_EXECUTABLE": path2}):

with self.assertRaises(GitCommandNotFound):

refresh(path2)

self.assertEqual(new_git.version_info, (11, 111, 1))

def test_successful_refresh_with_same_env_invalidates_cached_version_info(self):

"""Changing git at the same path/command and refreshing affects version_info."""

with contextlib.ExitStack() as stack:

stack.enter_context(_rollback_refresh())

path1 = stack.enter_context(_fake_git(11, 111, 1))

path2 = stack.enter_context(_fake_git(22, 222, 2))

with mock.patch.dict(os.environ, {"GIT_PYTHON_GIT_EXECUTABLE": path1}):

new_git = Git()

refresh()

new_git.version_info

shutil.copy(path2, path1)

refresh() # The fake git at path1 has a different version now.

self.assertEqual(new_git.version_info, (22, 222, 2))

def test_successful_default_refresh_invalidates_cached_version_info(self):

"""Refreshing updates version after a filesystem change adds a git command."""

# The key assertion here is the last. The others mainly verify the test itself.

with contextlib.ExitStack() as stack:

stack.enter_context(_rollback_refresh())

path1 = Path(stack.enter_context(_fake_git(11, 111, 1)))

path2 = Path(stack.enter_context(_fake_git(22, 222, 2)))

new_path_var = f"{path1.parent}{os.pathsep}{path2.parent}"

stack.enter_context(mock.patch.dict(os.environ, {"PATH": new_path_var}))

stack.enter_context(_patch_out_env("GIT_PYTHON_GIT_EXECUTABLE"))

if sys.platform == "win32":

# On Windows, use a shell so "git" finds "git.cmd". The correct and safe

# ways to do this straightforwardly are to set GIT_PYTHON_GIT_EXECUTABLE

# to git.cmd in the environment, or call git.refresh with the command's

# full path. See the Git.USE_SHELL docstring for deprecation details.

# But this tests a "default" scenario where neither is done. The

# approach used here, setting USE_SHELL to True so PATHEXT is honored,

# should not be used in production code (nor even in most test cases).

stack.enter_context(mock.patch.object(Git, "USE_SHELL", True))

new_git = Git()

_rename_with_stem(path2, "git") # "Install" git, "late" in the PATH.

refresh()

self.assertEqual(new_git.version_info, (22, 222, 2), 'before "downgrade"')

_rename_with_stem(path1, "git") # "Install" another, higher priority.

self.assertEqual(new_git.version_info, (22, 222, 2), "stale version")

refresh()

self.assertEqual(new_git.version_info, (11, 111, 1), "fresh version")

def test_options_are_passed_to_git(self):

# This works because any command after git --version is ignored.

git_version = self.git(version=True).NoOp()

git_command_version = self.git.version()

self.assertEqual(git_version, git_command_version)

def test_persistent_options(self):

git_command_version = self.git.version()

# Analog to test_options_are_passed_to_git.

self.git.set_persistent_git_options(version=True)

git_version = self.git.NoOp()

self.assertEqual(git_version, git_command_version)

# Subsequent calls keep this option:

git_version_2 = self.git.NoOp()

self.assertEqual(git_version_2, git_command_version)

# Reset to empty:

self.git.set_persistent_git_options()

self.assertRaises(GitCommandError, self.git.NoOp)

def test_single_char_git_options_are_passed_to_git(self):

input_value = "TestValue"

output_value = self.git(c="user.name=%s" % input_value).config("--get", "user.name")

self.assertEqual(input_value, output_value)

def test_change_to_transform_kwargs_does_not_break_command_options(self):

self.git.log(n=1)

def test_insert_after_kwarg_raises(self):

# This isn't a complete add command, which doesn't matter here.

self.assertRaises(ValueError, self.git.remote, "add", insert_kwargs_after="foo")

def test_env_vars_passed_to_git(self):

editor = "non_existent_editor"

with mock.patch.dict(os.environ, {"GIT_EDITOR": editor}):

self.assertEqual(self.git.var("GIT_EDITOR"), editor)

@with_rw_directory

def test_environment(self, rw_dir):

# Sanity check.

self.assertEqual(self.git.environment(), {})

# Make sure the context manager works and cleans up after itself.

with self.git.custom_environment(PWD="/tmp"):

self.assertEqual(self.git.environment(), {"PWD": "/tmp"})

self.assertEqual(self.git.environment(), {})

old_env = self.git.update_environment(VARKEY="VARVALUE")

# The returned dict can be used to revert the change, hence why it has

# an entry with value 'None'.

self.assertEqual(old_env, {"VARKEY": None})

self.assertEqual(self.git.environment(), {"VARKEY": "VARVALUE"})

new_env = self.git.update_environment(**old_env)

self.assertEqual(new_env, {"VARKEY": "VARVALUE"})

self.assertEqual(self.git.environment(), {})

path = osp.join(rw_dir, "failing-script.sh")

with open(path, "wt") as stream:

stream.write("#!/usr/bin/env sh\necho FOO\n")

os.chmod(path, 0o777)

rw_repo = Repo.init(osp.join(rw_dir, "repo"))

remote = rw_repo.create_remote("ssh-origin", "ssh://git@server/foo")

with rw_repo.git.custom_environment(GIT_SSH=path):

try:

remote.fetch()

except GitCommandError as err:

self.assertIn("FOO", str(err))

def test_handle_process_output(self):

from git.cmd import handle_process_output, safer_popen

expected_line_count = 5002

actual_lines = [None, [], []]

def stdout_handler(line):

actual_lines[1].append(line)

def stderr_handler(line):

actual_lines[2].append(line)

cmdline = [

sys.executable,

"-S", # Keep any `CoverageWarning` messages out of the subprocess stderr.

fixture_path("cat_file.py"),

str(fixture_path("issue-301_stderr")),

]

proc = safer_popen(

cmdline,

stdin=None,

stdout=subprocess.PIPE,

stderr=subprocess.PIPE,

View remainder of file in raw view

GitPython/test/test_git.py at main · gitpython-developers/GitPython · GitHub

Repository navigation

Expand file tree

Breadcrumbs

test_git.py

Latest commit

History

Breadcrumbs

test_git.py

File metadata and controls