pythonnet/src/tests/test_method.py at master · MachinaCore/pythonnet · GitHub

Repository navigation

History

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

# -*- coding: utf-8 -*-

"""Test CLR method support."""

import System

import pytest

from Python.Test import MethodTest

from ._compat import PY2, long, unichr

def test_instance_method_descriptor():

"""Test instance method descriptor behavior."""

with pytest.raises(AttributeError):

MethodTest().PublicMethod = 0

with pytest.raises(AttributeError):

MethodTest.PublicMethod = 0

with pytest.raises(AttributeError):

del MethodTest().PublicMethod

with pytest.raises(AttributeError):

del MethodTest.PublicMethod

def test_static_method_descriptor():

"""Test static method descriptor behavior."""

with pytest.raises(AttributeError):

MethodTest().PublicStaticMethod = 0

with pytest.raises(AttributeError):

MethodTest.PublicStaticMethod = 0

with pytest.raises(AttributeError):

del MethodTest().PublicStaticMethod

with pytest.raises(AttributeError):

del MethodTest.PublicStaticMethod

def test_public_instance_method():

"""Test public instance method visibility."""

ob = MethodTest()

assert ob.PublicMethod() == "public"

def test_public_static_method():

"""Test public static method visibility."""

ob = MethodTest()

assert MethodTest.PublicStaticMethod() == "public static"

assert ob.PublicStaticMethod() == "public static"

def test_protected_instance_method():

"""Test protected instance method visibility."""

ob = MethodTest()

assert ob.ProtectedMethod() == "protected"

def test_protected_static_method():

"""Test protected static method visibility."""

ob = MethodTest()

result = "protected static"

assert MethodTest.ProtectedStaticMethod() == result

assert ob.ProtectedStaticMethod() == result

def test_internal_method():

"""Test internal method visibility."""

with pytest.raises(AttributeError):

_ = MethodTest().InternalMethod

with pytest.raises(AttributeError):

_ = MethodTest.InternalMethod

with pytest.raises(AttributeError):

_ = MethodTest().InternalStaticMethod

with pytest.raises(AttributeError):

_ = MethodTest.InternalStaticMethod

def test_private_method():

"""Test private method visibility."""

with pytest.raises(AttributeError):

_ = MethodTest().PrivateMethod

with pytest.raises(AttributeError):

_ = MethodTest.PrivateMethod

with pytest.raises(AttributeError):

_ = MethodTest().PrivateStaticMethod

with pytest.raises(AttributeError):

_ = MethodTest.PrivateStaticMethod

def test_unbound_managed_method_call():

"""Test calling unbound managed methods."""

from Python.Test import MethodTestSub

ob = MethodTest()

assert MethodTest.PublicMethod(ob) == "public"

with pytest.raises(TypeError):

MethodTest.PublicMethod()

ob = MethodTestSub()

assert MethodTestSub.PublicMethod(ob) == "public"

assert MethodTestSub.PublicMethod(ob, "echo") == "echo"

with pytest.raises(TypeError):

MethodTestSub.PublicMethod("echo")

def test_overloaded_method_inheritance():

"""Test that overloads are inherited properly."""

from Python.Test import MethodTestSub

ob = MethodTest()

assert ob.PublicMethod() == "public"

with pytest.raises(TypeError):

ob = MethodTest()

ob.PublicMethod("echo")

ob = MethodTestSub()

assert ob.PublicMethod() == "public"

assert ob.PublicMethod("echo") == "echo"

def test_method_descriptor_abuse():

"""Test method descriptor abuse."""

desc = MethodTest.__dict__['PublicMethod']

with pytest.raises(TypeError):

desc.__get__(0, 0)

with pytest.raises(AttributeError):

desc.__set__(0, 0)

def test_method_docstrings():

"""Test standard method docstring generation"""

method = MethodTest.GetType

value = 'System.Type GetType()'

assert method.__doc__ == value

# ======================================================================

# Tests of specific argument and result conversion scenarios

# ======================================================================

def test_method_call_enum_conversion():

"""Test enum conversion in method call."""

from System import TypeCode

ob = MethodTest()

r = ob.TestEnumConversion(TypeCode.Int32)

assert r == TypeCode.Int32

def test_method_call_flags_conversion():

"""Test flags conversion in method call."""

from System.IO import FileAccess

ob = MethodTest()

flags = FileAccess.Read | FileAccess.Write

r = ob.TestFlagsConversion(flags)

assert r == flags

def test_method_call_struct_conversion():

"""Test struct conversion in method call."""

from System import Guid

ob = MethodTest()

guid = Guid.NewGuid()

temp = guid.ToString()

r = ob.TestStructConversion(guid)

assert r.ToString() == temp

def test_subclass_instance_conversion():

"""Test subclass instance conversion in method call."""

class TestSubException(System.Exception):

pass

ob = MethodTest()

instance = TestSubException()

result = ob.TestSubclassConversion(instance)

assert isinstance(result, System.Exception)

def test_null_array_conversion():

"""Test null array conversion in method call."""

ob = MethodTest()

r = ob.TestNullArrayConversion(None)

assert r is None

def test_string_params_args():

"""Test use of string params."""

result = MethodTest.TestStringParamsArg('one', 'two', 'three')

assert result.Length == 3

assert len(result) == 3, result

assert result[0] == 'one'

assert result[1] == 'two'

assert result[2] == 'three'

result = MethodTest.TestStringParamsArg(['one', 'two', 'three'])

assert len(result) == 3

assert result[0] == 'one'

assert result[1] == 'two'

assert result[2] == 'three'

def test_object_params_args():

"""Test use of object params."""

result = MethodTest.TestObjectParamsArg('one', 'two', 'three')

assert len(result) == 3, result

assert result[0] == 'one'

assert result[1] == 'two'

assert result[2] == 'three'

result = MethodTest.TestObjectParamsArg(['one', 'two', 'three'])

assert len(result) == 3, result

assert result[0] == 'one'

assert result[1] == 'two'

assert result[2] == 'three'

def test_value_params_args():

"""Test use of value type params."""

result = MethodTest.TestValueParamsArg(1, 2, 3)

assert len(result) == 3

assert result[0] == 1

assert result[1] == 2

assert result[2] == 3

result = MethodTest.TestValueParamsArg([1, 2, 3])

assert len(result) == 3

assert result[0] == 1

assert result[1] == 2

assert result[2] == 3

def test_non_params_array_in_last_place():

"""Test overload resolution with of non-"params" array as

last parameter."""

result = MethodTest.TestNonParamsArrayInLastPlace(1, 2, 3)

assert result

def test_string_out_params():

"""Test use of string out-parameters."""

result = MethodTest.TestStringOutParams("hi", "there")

assert isinstance(result, tuple)

assert len(result) == 2

assert result[0] is True

assert result[1] == "output string"

result = MethodTest.TestStringOutParams("hi", None)

assert isinstance(result, tuple)

assert len(result) == 2

assert result[0] is True

assert result[1] == "output string"

def test_string_ref_params():

"""Test use of string byref parameters."""

result = MethodTest.TestStringRefParams("hi", "there")

assert isinstance(result, tuple)

assert len(result) == 2

assert result[0] is True

assert result[1] == "output string"

result = MethodTest.TestStringRefParams("hi", None)

assert isinstance(result, tuple)

assert len(result) == 2

assert result[0] is True

assert result[1] == "output string"

def test_value_out_params():

"""Test use of value type out-parameters."""

result = MethodTest.TestValueOutParams("hi", 1)

assert isinstance(result, tuple)

assert len(result) == 2

assert result[0] is True

assert result[1] == 42

# None cannot be converted to a value type like int, long, etc.

with pytest.raises(TypeError):

MethodTest.TestValueOutParams("hi", None)

def test_value_ref_params():

"""Test use of value type byref parameters."""

result = MethodTest.TestValueRefParams("hi", 1)

assert isinstance(result, tuple)

assert len(result) == 2

assert result[0] is True

assert result[1] == 42

# None cannot be converted to a value type like int, long, etc.

with pytest.raises(TypeError):

MethodTest.TestValueRefParams("hi", None)

def test_object_out_params():

"""Test use of object out-parameters."""

result = MethodTest.TestObjectOutParams("hi", MethodTest())

assert isinstance(result, tuple)

assert len(result) == 2

assert result[0] is True

assert isinstance(result[1], System.Exception)

result = MethodTest.TestObjectOutParams("hi", None)

assert isinstance(result, tuple)

assert len(result) == 2

assert result[0] is True

assert isinstance(result[1], System.Exception)

def test_object_ref_params():

"""Test use of object byref parameters."""

result = MethodTest.TestObjectRefParams("hi", MethodTest())

assert isinstance(result, tuple)

assert len(result) == 2

assert result[0] is True

assert isinstance(result[1], System.Exception)

result = MethodTest.TestObjectRefParams("hi", None)

assert isinstance(result, tuple)

assert len(result) == 2

assert result[0] is True

assert isinstance(result[1], System.Exception)

def test_struct_out_params():

"""Test use of struct out-parameters."""

result = MethodTest.TestStructOutParams("hi", System.Guid.NewGuid())

assert isinstance(result, tuple)

assert len(result) == 2

assert result[0] is True

assert isinstance(result[1], System.Guid)

# None cannot be converted to a value type like a struct

with pytest.raises(TypeError):

MethodTest.TestValueRefParams("hi", None)

def test_struct_ref_params():

"""Test use of struct byref parameters."""

result = MethodTest.TestStructRefParams("hi", System.Guid.NewGuid())

assert isinstance(result, tuple)

assert len(result) == 2

assert result[0] is True

assert isinstance(result[1], System.Guid)

# None cannot be converted to a value type like a struct

with pytest.raises(TypeError):

MethodTest.TestValueRefParams("hi", None)

def test_void_single_out_param():

"""Test void method with single out-parameter."""

result = MethodTest.TestVoidSingleOutParam(9)

assert result == 42

# None cannot be converted to a value type

with pytest.raises(TypeError):

MethodTest.TestVoidSingleOutParam(None)

def test_void_single_ref_param():

"""Test void method with single ref-parameter."""

result = MethodTest.TestVoidSingleRefParam(9)

assert result == 42

# None cannot be converted to a value type

with pytest.raises(TypeError):

MethodTest.TestVoidSingleRefParam(None)

def test_single_default_param():

"""Test void method with single ref-parameter."""

result = MethodTest.TestSingleDefaultParam()

assert result == 5

def test_one_arg_and_two_default_param():

"""Test void method with single ref-parameter."""

result = MethodTest.TestOneArgAndTwoDefaultParam(11)

assert result == 22

result = MethodTest.TestOneArgAndTwoDefaultParam(15)

assert result == 26

result = MethodTest.TestOneArgAndTwoDefaultParam(20)

assert result == 31

def test_two_default_param():

"""Test void method with single ref-parameter."""

result = MethodTest.TestTwoDefaultParam()

assert result == 11

def test_explicit_selection_with_out_modifier():

"""Check explicit overload selection with out modifiers."""

refstr = System.String("").GetType().MakeByRefType()

result = MethodTest.TestStringOutParams.__overloads__[str, refstr](

"hi", "there")

assert isinstance(result, tuple)

assert len(result) == 2

assert result[0] is True

assert result[1] == "output string"

result = MethodTest.TestStringOutParams.__overloads__[str, refstr](

"hi", None)

assert isinstance(result, tuple)

assert len(result) == 2

assert result[0] is True

assert result[1] == "output string"

def test_explicit_selection_with_ref_modifier():

"""Check explicit overload selection with ref modifiers."""

refstr = System.String("").GetType().MakeByRefType()

result = MethodTest.TestStringRefParams.__overloads__[str, refstr](

"hi", "there")

assert isinstance(result, tuple)

assert len(result) == 2

assert result[0] is True

assert result[1] == "output string"

result = MethodTest.TestStringRefParams.__overloads__[str, refstr](

"hi", None)

assert isinstance(result, tuple)

assert len(result) == 2

assert result[0] is True

assert result[1] == "output string"

def test_explicit_overload_selection():

"""Check explicit overload selection using [] syntax."""

from Python.Test import ISayHello1, InterfaceTest, ShortEnum

from System import Array

inst = InterfaceTest()

value = MethodTest.Overloaded.__overloads__[System.Boolean](True)

assert value is True

value = MethodTest.Overloaded.__overloads__[bool](True)

assert value is True

value = MethodTest.Overloaded.__overloads__[System.Byte](255)

assert value == 255

value = MethodTest.Overloaded.__overloads__[System.SByte](127)

assert value == 127

value = MethodTest.Overloaded.__overloads__[System.Char](u'A')

assert value == u'A'

value = MethodTest.Overloaded.__overloads__[System.Char](65535)

assert value == unichr(65535)

value = MethodTest.Overloaded.__overloads__[System.Int16](32767)

assert value == 32767

value = MethodTest.Overloaded.__overloads__[System.Int32](2147483647)

assert value == 2147483647

value = MethodTest.Overloaded.__overloads__[int](2147483647)

assert value == 2147483647

value = MethodTest.Overloaded.__overloads__[System.Int64](

long(9223372036854775807))

assert value == long(9223372036854775807)

# Python 3 has no explicit long type, use System.Int64 instead

if PY2:

value = MethodTest.Overloaded.__overloads__[long](

long(9223372036854775807))

assert value == long(9223372036854775807)

value = MethodTest.Overloaded.__overloads__[System.UInt16](65000)

assert value == 65000

value = MethodTest.Overloaded.__overloads__[System.UInt32](

long(4294967295))

assert value == long(4294967295)

value = MethodTest.Overloaded.__overloads__[System.UInt64](

long(18446744073709551615))

assert value == long(18446744073709551615)

value = MethodTest.Overloaded.__overloads__[System.Single](3.402823e38)

assert value == 3.402823e38

value = MethodTest.Overloaded.__overloads__[System.Double](

1.7976931348623157e308)

assert value == 1.7976931348623157e308

value = MethodTest.Overloaded.__overloads__[float](

1.7976931348623157e308)

assert value == 1.7976931348623157e308

value = MethodTest.Overloaded.__overloads__[System.Decimal](

System.Decimal.One)

assert value == System.Decimal.One

value = MethodTest.Overloaded.__overloads__[System.String]("spam")

assert value == "spam"

value = MethodTest.Overloaded.__overloads__[str]("spam")

assert value == "spam"

value = MethodTest.Overloaded.__overloads__[ShortEnum](ShortEnum.Zero)

assert value == ShortEnum.Zero

value = MethodTest.Overloaded.__overloads__[System.Object](inst)

assert value.__class__ == inst.__class__

value = MethodTest.Overloaded.__overloads__[InterfaceTest](inst)

assert value.__class__ == inst.__class__

value = MethodTest.Overloaded.__overloads__[ISayHello1](inst)

assert value.__class__ == inst.__class__

atype = Array[System.Object]

value = MethodTest.Overloaded.__overloads__[str, int, atype](

"one", 1, atype([1, 2, 3]))

assert value == 3

value = MethodTest.Overloaded.__overloads__[str, int]("one", 1)

assert value == 1

value = MethodTest.Overloaded.__overloads__[int, str](1, "one")

assert value == 1

def test_overload_selection_with_array_types():

"""Check overload selection using array types."""

from Python.Test import ISayHello1, InterfaceTest, ShortEnum

from System import Array

inst = InterfaceTest()

vtype = Array[System.Boolean]

input_ = vtype([True, True])

value = MethodTest.Overloaded.__overloads__[vtype](input_)

assert value[0] is True

assert value[1] is True

vtype = Array[bool]

input_ = vtype([True, True])

value = MethodTest.Overloaded.__overloads__[vtype](input_)

assert value[0] is True

assert value[1] is True

vtype = Array[System.Byte]

input_ = vtype([0, 255])

value = MethodTest.Overloaded.__overloads__[vtype](input_)

assert value[0] == 0

assert value[1] == 255

vtype = Array[System.SByte]

input_ = vtype([0, 127])

value = MethodTest.Overloaded.__overloads__[vtype](input_)

assert value[0] == 0

assert value[1] == 127

vtype = Array[System.Char]

input_ = vtype([u'A', u'Z'])

value = MethodTest.Overloaded.__overloads__[vtype](input_)

assert value[0] == u'A'

assert value[1] == u'Z'

vtype = Array[System.Char]

input_ = vtype([0, 65535])

value = MethodTest.Overloaded.__overloads__[vtype](input_)

assert value[0] == unichr(0)

assert value[1] == unichr(65535)

vtype = Array[System.Int16]

input_ = vtype([0, 32767])

value = MethodTest.Overloaded.__overloads__[vtype](input_)

assert value[0] == 0

assert value[1] == 32767

vtype = Array[System.Int32]

input_ = vtype([0, 2147483647])

value = MethodTest.Overloaded.__overloads__[vtype](input_)

assert value[0] == 0

assert value[1] == 2147483647

vtype = Array[int]

input_ = vtype([0, 2147483647])

value = MethodTest.Overloaded.__overloads__[vtype](input_)

assert value[0] == 0

assert value[1] == 2147483647

vtype = Array[System.Int64]

input_ = vtype([0, long(9223372036854775807)])

value = MethodTest.Overloaded.__overloads__[vtype](input_)

assert value[0] == 0

assert value[1] == long(9223372036854775807)

# Python 3 has no explicit long type, use System.Int64 instead

if PY2:

vtype = Array[long]

input_ = vtype([0, long(9223372036854775807)])

value = MethodTest.Overloaded.__overloads__[vtype](input_)

assert value[0] == 0

assert value[1] == long(9223372036854775807)

vtype = Array[System.UInt16]

input_ = vtype([0, 65000])

value = MethodTest.Overloaded.__overloads__[vtype](input_)

assert value[0] == 0

assert value[1] == 65000

vtype = Array[System.UInt32]

input_ = vtype([0, long(4294967295)])

value = MethodTest.Overloaded.__overloads__[vtype](input_)

assert value[0] == 0

assert value[1] == long(4294967295)

vtype = Array[System.UInt64]

input_ = vtype([0, long(18446744073709551615)])

value = MethodTest.Overloaded.__overloads__[vtype](input_)

assert value[0] == 0

assert value[1] == long(18446744073709551615)

vtype = Array[System.Single]

input_ = vtype([0.0, 3.402823e38])

value = MethodTest.Overloaded.__overloads__[vtype](input_)

assert value[0] == 0.0

assert value[1] == 3.402823e38

vtype = Array[System.Double]

input_ = vtype([0.0, 1.7976931348623157e308])

value = MethodTest.Overloaded.__overloads__[vtype](input_)

assert value[0] == 0.0

assert value[1] == 1.7976931348623157e308

vtype = Array[float]

input_ = vtype([0.0, 1.7976931348623157e308])

value = MethodTest.Overloaded.__overloads__[vtype](input_)

assert value[0] == 0.0

assert value[1] == 1.7976931348623157e308

vtype = Array[System.Decimal]

input_ = vtype([System.Decimal.Zero, System.Decimal.One])

value = MethodTest.Overloaded.__overloads__[vtype](input_)

assert value[0] == System.Decimal.Zero

assert value[1] == System.Decimal.One

vtype = Array[System.String]

input_ = vtype(["one", "two"])

value = MethodTest.Overloaded.__overloads__[vtype](input_)

assert value[0] == "one"

assert value[1] == "two"

vtype = Array[str]

input_ = vtype(["one", "two"])

value = MethodTest.Overloaded.__overloads__[vtype](input_)

assert value[0] == "one"

assert value[1] == "two"

vtype = Array[ShortEnum]

input_ = vtype([ShortEnum.Zero, ShortEnum.One])

value = MethodTest.Overloaded.__overloads__[vtype](input_)

assert value[0] == ShortEnum.Zero

assert value[1] == ShortEnum.One

vtype = Array[System.Object]

input_ = vtype([inst, inst])

value = MethodTest.Overloaded.__overloads__[vtype](input_)

assert value[0].__class__ == inst.__class__

assert value[1].__class__ == inst.__class__

vtype = Array[InterfaceTest]

input_ = vtype([inst, inst])

value = MethodTest.Overloaded.__overloads__[vtype](input_)

assert value[0].__class__ == inst.__class__

assert value[1].__class__ == inst.__class__

vtype = Array[ISayHello1]

input_ = vtype([inst, inst])

value = MethodTest.Overloaded.__overloads__[vtype](input_)

assert value[0].__class__ == inst.__class__

assert value[1].__class__ == inst.__class__

def test_explicit_overload_selection_failure():

"""Check that overload selection fails correctly."""

with pytest.raises(TypeError):

_ = MethodTest.Overloaded.__overloads__[System.Type](True)

with pytest.raises(TypeError):

_ = MethodTest.Overloaded.__overloads__[int, int](1, 1)

with pytest.raises(TypeError):

_ = MethodTest.Overloaded.__overloads__[str, int, int]("", 1, 1)

with pytest.raises(TypeError):

_ = MethodTest.Overloaded.__overloads__[int, long](1)

def test_we_can_bind_to_encoding_get_string():

"""Check that we can bind to the Encoding.GetString method

with variables."""

from System.Text import Encoding

from System.IO import MemoryStream

my_bytes = Encoding.UTF8.GetBytes('Some testing string')

stream = MemoryStream()

stream.Write(my_bytes, 0, my_bytes.Length)

stream.Position = 0

buff = System.Array.CreateInstance(System.Byte, 3)

buff.Initialize()

data = []

read = 1

while read > 0:

read, _ = stream.Read(buff, 0, buff.Length)

temp = Encoding.UTF8.GetString(buff, 0, read)

data.append(temp)

data = ''.join(data)

assert data == 'Some testing string'

def test_wrong_overload():

"""Test regression in which implicit conversion caused the wrong types

to be used. See #131 for issue. Fixed by #137, #151"""

# Used to return `50L`

res = System.Math.Abs(50.5)

assert res == 50.5

assert type(res) == float

res = System.Math.Abs(-50.5)

assert res == 50.5

assert type(res) == float

res = System.Math.Max(50.5, 50.1)

assert res == 50.5

assert type(res) == float

res = System.Math.Max(System.Double(10.5), System.Double(50.5))

assert res == 50.5

assert type(res) == float # Should it return a System.Double?

res = System.Math.Max(System.Double(50.5), 50.1)

assert res == 50.5

assert type(res) == float

def test_no_object_in_param():

"""Test that fix for #203 doesn't break behavior w/ no object overload"""

res = MethodTest.TestOverloadedNoObject(5)

assert res == "Got int"

with pytest.raises(TypeError):

MethodTest.TestOverloadedNoObject("test")

def test_object_in_param():

"""Test regression introduced by #151 in which Object method overloads

aren't being used. See #203 for issue."""

res = MethodTest.TestOverloadedObject(5)

assert res == "Got int"

res = MethodTest.TestOverloadedObject("test")

assert res == "Got object"

def test_object_in_multiparam():

"""Test method with object multiparams behaves"""

res = MethodTest.TestOverloadedObjectTwo(5, 5)

assert res == "Got int-int"

res = MethodTest.TestOverloadedObjectTwo(5, "foo")

assert res == "Got int-string"

res = MethodTest.TestOverloadedObjectTwo("foo", 7.24)

assert res == "Got string-object"

res = MethodTest.TestOverloadedObjectTwo("foo", "bar")

assert res == "Got string-string"

res = MethodTest.TestOverloadedObjectTwo("foo", 5)

assert res == "Got string-int"

res = MethodTest.TestOverloadedObjectTwo(7.24, 7.24)

assert res == "Got object-object"

def test_object_in_multiparam_exception():

"""Test method with object multiparams behaves"""

with pytest.raises(TypeError):

MethodTest.TestOverloadedObjectThree("foo", "bar")

def test_case_sensitive():

"""Test that case-sensitivity is respected. GH#81"""

res = MethodTest.CaseSensitive()

assert res == "CaseSensitive"

res = MethodTest.Casesensitive()

assert res == "Casesensitive"

with pytest.raises(AttributeError):

MethodTest.casesensitive()

def test_getting_generic_method_binding_does_not_leak_ref_count():

"""Test that managed object is freed after calling generic method. Issue #691"""

from PlainOldNamespace import PlainOldClass

import sys

refCount = sys.getrefcount(PlainOldClass().GenericMethod[str])

assert refCount == 1

def test_getting_generic_method_binding_does_not_leak_memory():

"""Test that managed object is freed after calling generic method. Issue #691"""

from PlainOldNamespace import PlainOldClass

import psutil, os, gc, clr

process = psutil.Process(os.getpid())

processBytesBeforeCall = process.memory_info().rss

print("\n\nMemory consumption (bytes) at start of test: " + str(processBytesBeforeCall))

iterations = 500

for i in range(iterations):

PlainOldClass().GenericMethod[str]

gc.collect()

clr.System.GC.Collect()

processBytesAfterCall = process.memory_info().rss

print("Memory consumption (bytes) at end of test: " + str(processBytesAfterCall))

processBytesDelta = processBytesAfterCall - processBytesBeforeCall

print("Memory delta: " + str(processBytesDelta))

bytesAllocatedPerIteration = pow(2, 20) # 1MB

bytesLeakedPerIteration = processBytesDelta / iterations

# Allow 50% threshold - this shows the original issue is fixed, which leaks the full allocated bytes per iteration

failThresholdBytesLeakedPerIteration = bytesAllocatedPerIteration / 2

assert bytesLeakedPerIteration < failThresholdBytesLeakedPerIteration

def test_getting_overloaded_method_binding_does_not_leak_ref_count():

"""Test that managed object is freed after calling overloaded method. Issue #691"""

from PlainOldNamespace import PlainOldClass

import sys

refCount = sys.getrefcount(PlainOldClass().OverloadedMethod.Overloads[int])

assert refCount == 1

def test_getting_overloaded_method_binding_does_not_leak_memory():

"""Test that managed object is freed after calling overloaded method. Issue #691"""

from PlainOldNamespace import PlainOldClass

import psutil, os, gc, clr

process = psutil.Process(os.getpid())

processBytesBeforeCall = process.memory_info().rss

print("\n\nMemory consumption (bytes) at start of test: " + str(processBytesBeforeCall))

iterations = 500

for i in range(iterations):

PlainOldClass().OverloadedMethod.Overloads[int]

gc.collect()

clr.System.GC.Collect()

processBytesAfterCall = process.memory_info().rss

print("Memory consumption (bytes) at end of test: " + str(processBytesAfterCall))

processBytesDelta = processBytesAfterCall - processBytesBeforeCall

print("Memory delta: " + str(processBytesDelta))

bytesAllocatedPerIteration = pow(2, 20) # 1MB

bytesLeakedPerIteration = processBytesDelta / iterations

# Allow 50% threshold - this shows the original issue is fixed, which leaks the full allocated bytes per iteration

failThresholdBytesLeakedPerIteration = bytesAllocatedPerIteration / 2

assert bytesLeakedPerIteration < failThresholdBytesLeakedPerIteration

def test_getting_method_overloads_binding_does_not_leak_ref_count():

"""Test that managed object is freed after calling overloaded method. Issue #691"""

from PlainOldNamespace import PlainOldClass

import sys

refCount = sys.getrefcount(PlainOldClass().OverloadedMethod.Overloads)

assert refCount == 1

def test_getting_method_overloads_binding_does_not_leak_memory():

"""Test that managed object is freed after calling overloaded method. Issue #691"""

from PlainOldNamespace import PlainOldClass

import psutil, os, gc, clr

process = psutil.Process(os.getpid())

processBytesBeforeCall = process.memory_info().rss

print("\n\nMemory consumption (bytes) at start of test: " + str(processBytesBeforeCall))

iterations = 500

for i in range(iterations):

PlainOldClass().OverloadedMethod.Overloads

gc.collect()

clr.System.GC.Collect()

processBytesAfterCall = process.memory_info().rss

print("Memory consumption (bytes) at end of test: " + str(processBytesAfterCall))

processBytesDelta = processBytesAfterCall - processBytesBeforeCall

print("Memory delta: " + str(processBytesDelta))

bytesAllocatedPerIteration = pow(2, 20) # 1MB

bytesLeakedPerIteration = processBytesDelta / iterations

# Allow 50% threshold - this shows the original issue is fixed, which leaks the full allocated bytes per iteration

failThresholdBytesLeakedPerIteration = bytesAllocatedPerIteration / 2

assert bytesLeakedPerIteration < failThresholdBytesLeakedPerIteration

def test_getting_overloaded_constructor_binding_does_not_leak_ref_count():

"""Test that managed object is freed after calling overloaded constructor, constructorbinding.cs mp_subscript. Issue #691"""

from PlainOldNamespace import PlainOldClass

import sys

# simple test

refCount = sys.getrefcount(PlainOldClass.Overloads[int])

assert refCount == 1

pythonnet/src/tests/test_method.py at master · MachinaCore/pythonnet · GitHub

Repository navigation

Expand file tree

Breadcrumbs

test_method.py

Latest commit

History

Breadcrumbs

test_method.py

File metadata and controls