dapper-dot-net/Dapper.Tests/Tests.MultiMap.cs at master · sateeshgithub/dapper-dot-net · GitHub

History

608 lines (533 loc) · 22.6 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

using Dapper;

using System;

using System.Collections.Generic;

using System.Data;

using System.Linq;

using Xunit;

namespace Dapper.Tests

{

public partial class TestSuite

{

[Fact]

public void ParentChildIdentityAssociations()

{

var lookup = new Dictionary<int, Parent>();

var parents = connection.Query<Parent, Child, Parent>(@"select 1 as [Id], 1 as [Id] union all select 1,2 union all select 2,3 union all select 1,4 union all select 3,5",

(parent, child) =>

{

Parent found;

if (!lookup.TryGetValue(parent.Id, out found))

{

lookup.Add(parent.Id, found = parent);

}

found.Children.Add(child);

return found;

}).Distinct().ToDictionary(p => p.Id);

parents.Count.IsEqualTo(3);

parents[1].Children.Select(c => c.Id).SequenceEqual(new[] { 1, 2, 4 }).IsTrue();

parents[2].Children.Select(c => c.Id).SequenceEqual(new[] { 3 }).IsTrue();

parents[3].Children.Select(c => c.Id).SequenceEqual(new[] { 5 }).IsTrue();

}

class Parent

{

public int Id { get; set; }

public readonly List<Child> Children = new List<Child>();

}

class Child

{

public int Id { get; set; }

}

[Fact]

public void TestMultiMap()

{

var createSql = @"

create table #Users (Id int, Name varchar(20))

create table #Posts (Id int, OwnerId int, Content varchar(20))

insert #Users values(99, 'Sam')

insert #Users values(2, 'I am')

insert #Posts values(1, 99, 'Sams Post1')

insert #Posts values(2, 99, 'Sams Post2')

insert #Posts values(3, null, 'no ones post')

connection.Execute(createSql);

try

{

var sql =

@"select * from #Posts p

left join #Users u on u.Id = p.OwnerId

Order by p.Id";

var data = connection.Query<Post, User, Post>(sql, (post, user) => { post.Owner = user; return post; }).ToList();

var p = data.First();

p.Content.IsEqualTo("Sams Post1");

p.Id.IsEqualTo(1);

p.Owner.Name.IsEqualTo("Sam");

p.Owner.Id.IsEqualTo(99);

data[2].Owner.IsNull();

}

finally

{

connection.Execute("drop table #Users drop table #Posts");

}

[Fact]

public void TestMultiMapThreeTypesWithGridReader()

{

var createSql = @"

create table #Users (Id int, Name varchar(20))

create table #Posts (Id int, OwnerId int, Content varchar(20))

create table #Comments (Id int, PostId int, CommentData varchar(20))

insert #Users values(99, 'Sam')

insert #Users values(2, 'I am')

insert #Posts values(1, 99, 'Sams Post1')

insert #Posts values(2, 99, 'Sams Post2')

insert #Posts values(3, null, 'no ones post')

insert #Comments values(1, 1, 'Comment 1')";

connection.Execute(createSql);

try

{

const string sql = @"SELECT p.* FROM #Posts p

select p.*, u.Id, u.Name + '0' Name, c.Id, c.CommentData from #Posts p

left join #Users u on u.Id = p.OwnerId

left join #Comments c on c.PostId = p.Id

where p.Id = 1

Order by p.Id";

var grid = connection.QueryMultiple(sql);

var post1 = grid.Read<Post>().ToList();

var post2 = grid.Read<Post, User, Comment, Post>((post, user, comment) => { post.Owner = user; post.Comment = comment; return post; }).SingleOrDefault();

post2.Comment.Id.IsEqualTo(1);

post2.Owner.Id.IsEqualTo(99);

}

finally

{

connection.Execute("drop table #Users drop table #Posts drop table #Comments");

}

class User

{

public int Id { get; set; }

public string Name { get; set; }

}

class Post

{

public int Id { get; set; }

public User Owner { get; set; }

public string Content { get; set; }

public Comment Comment { get; set; }

}

class Comment

{

public int Id { get; set; }

public string CommentData { get; set; }

}

[Fact]

public void TestMultiMapperIsNotConfusedWithUnorderedCols()

{

var result = connection.Query<Foo1, Bar1, Tuple<Foo1, Bar1>>("select 1 as Id, 2 as BarId, 3 as BarId, 'a' as Name", Tuple.Create, splitOn: "BarId").First();

result.Item1.Id.IsEqualTo(1);

result.Item1.BarId.IsEqualTo(2);

result.Item2.BarId.IsEqualTo(3);

result.Item2.Name.IsEqualTo("a");

}

class Foo1

{

#pragma warning disable 0649

public int Id;

#pragma warning restore 0649

public int BarId { get; set; }

}

class Bar1

{

#pragma warning disable 0649

public int BarId;

#pragma warning restore 0649

public string Name { get; set; }

}

[Fact]

public void TestMultiMapDynamic()

{

var createSql = @"

create table #Users (Id int, Name varchar(20))

create table #Posts (Id int, OwnerId int, Content varchar(20))

insert #Users values(99, 'Sam')

insert #Users values(2, 'I am')

insert #Posts values(1, 99, 'Sams Post1')

insert #Posts values(2, 99, 'Sams Post2')

insert #Posts values(3, null, 'no ones post')

connection.Execute(createSql);

var sql =

@"select * from #Posts p

left join #Users u on u.Id = p.OwnerId

Order by p.Id";

var data = connection.Query<dynamic, dynamic, dynamic>(sql, (post, user) => { post.Owner = user; return post; }).ToList();

var p = data.First();

// hairy extension method support for dynamics

((string)p.Content).IsEqualTo("Sams Post1");

((int)p.Id).IsEqualTo(1);

((string)p.Owner.Name).IsEqualTo("Sam");

((int)p.Owner.Id).IsEqualTo(99);

((object)data[2].Owner).IsNull();

connection.Execute("drop table #Users drop table #Posts");

}

[Fact]

public void TestMultiMapWithSplit() // http://stackoverflow.com/q/6056778/23354

{

var sql = @"select 1 as id, 'abc' as name, 2 as id, 'def' as name";

var product = connection.Query<Product, Category, Product>(sql, (prod, cat) =>

{

prod.Category = cat;

return prod;

}).First();

// assertions

product.Id.IsEqualTo(1);

product.Name.IsEqualTo("abc");

product.Category.Id.IsEqualTo(2);

product.Category.Name.IsEqualTo("def");

}

[Fact]

public void TestMultiMapWithSplitWithNullValue() // http://stackoverflow.com/q/10744728/449906

{

var sql = @"select 1 as id, 'abc' as name, NULL as description, 'def' as name";

var product = connection.Query<Product, Category, Product>(sql, (prod, cat) =>

{

prod.Category = cat;

return prod;

}, splitOn: "description").First();

// assertions

product.Id.IsEqualTo(1);

product.Name.IsEqualTo("abc");

product.Category.IsNull();

}

[Fact]

public void TestMultiMapWithSplitWithNullValueAndSpoofColumn() // http://stackoverflow.com/q/10744728/449906

{

var sql = @"select 1 as id, 'abc' as name, 1 as spoof, NULL as description, 'def' as name";

var product = connection.Query<Product, Category, Product>(sql, (prod, cat) =>

{

prod.Category = cat;

return prod;

}, splitOn: "spoof").First();

// assertions

product.Id.IsEqualTo(1);

product.Name.IsEqualTo("abc");

product.Category.IsNotNull();

product.Category.Id.IsEqualTo(0);

product.Category.Name.IsEqualTo("def");

product.Category.Description.IsNull();

}

class Product

{

public int Id { get; set; }

public string Name { get; set; }

public Category Category { get; set; }

}

class Category

{

public int Id { get; set; }

public string Name { get; set; }

public string Description { get; set; }

}

[Fact]

public void TestMultiMappingVariations()

{

var sql = @"select 1 as Id, 'a' as Content, 2 as Id, 'b' as Content, 3 as Id, 'c' as Content, 4 as Id, 'd' as Content, 5 as Id, 'e' as Content";

var order = connection.Query<dynamic, dynamic, dynamic, dynamic>(sql, (o, owner, creator) => { o.Owner = owner; o.Creator = creator; return o; }).First();

Assert.IsEqualTo(order.Id, 1);

Assert.IsEqualTo(order.Content, "a");

Assert.IsEqualTo(order.Owner.Id, 2);

Assert.IsEqualTo(order.Owner.Content, "b");

Assert.IsEqualTo(order.Creator.Id, 3);

Assert.IsEqualTo(order.Creator.Content, "c");

order = connection.Query<dynamic, dynamic, dynamic, dynamic, dynamic>(sql, (o, owner, creator, address) =>

{

o.Owner = owner;

o.Creator = creator;

o.Owner.Address = address;

return o;

}).First();

Assert.IsEqualTo(order.Id, 1);

Assert.IsEqualTo(order.Content, "a");

Assert.IsEqualTo(order.Owner.Id, 2);

Assert.IsEqualTo(order.Owner.Content, "b");

Assert.IsEqualTo(order.Creator.Id, 3);

Assert.IsEqualTo(order.Creator.Content, "c");

Assert.IsEqualTo(order.Owner.Address.Id, 4);

Assert.IsEqualTo(order.Owner.Address.Content, "d");

order = connection.Query<dynamic, dynamic, dynamic, dynamic, dynamic, dynamic>(sql, (a, b, c, d, e) => { a.B = b; a.C = c; a.C.D = d; a.E = e; return a; }).First();

Assert.IsEqualTo(order.Id, 1);

Assert.IsEqualTo(order.Content, "a");

Assert.IsEqualTo(order.B.Id, 2);

Assert.IsEqualTo(order.B.Content, "b");

Assert.IsEqualTo(order.C.Id, 3);

Assert.IsEqualTo(order.C.Content, "c");

Assert.IsEqualTo(order.C.D.Id, 4);

Assert.IsEqualTo(order.C.D.Content, "d");

Assert.IsEqualTo(order.E.Id, 5);

Assert.IsEqualTo(order.E.Content, "e");

}

class UserWithConstructor

{

public UserWithConstructor(int id, string name)

{

Ident = id;

FullName = name;

}

public int Ident { get; set; }

public string FullName { get; set; }

}

class PostWithConstructor

{

public PostWithConstructor(int id, int ownerid, string content)

{

Ident = id;

FullContent = content;

}

public int Ident { get; set; }

public UserWithConstructor Owner { get; set; }

public string FullContent { get; set; }

public Comment Comment { get; set; }

}

[Fact]

public void TestMultiMapWithConstructor()

{

var createSql = @"

create table #Users (Id int, Name varchar(20))

create table #Posts (Id int, OwnerId int, Content varchar(20))

insert #Users values(99, 'Sam')

insert #Users values(2, 'I am')

insert #Posts values(1, 99, 'Sams Post1')

insert #Posts values(2, 99, 'Sams Post2')

insert #Posts values(3, null, 'no ones post')";

connection.Execute(createSql);

try

{

string sql = @"select * from #Posts p

left join #Users u on u.Id = p.OwnerId

Order by p.Id";

PostWithConstructor[] data = connection.Query<PostWithConstructor, UserWithConstructor, PostWithConstructor>(sql, (post, user) => { post.Owner = user; return post; }).ToArray();

var p = data.First();

p.FullContent.IsEqualTo("Sams Post1");

p.Ident.IsEqualTo(1);

p.Owner.FullName.IsEqualTo("Sam");

p.Owner.Ident.IsEqualTo(99);

data[2].Owner.IsNull();

}

finally

{

connection.Execute("drop table #Users drop table #Posts");

}

class ReviewBoard

{

public int Id { get; set; }

public string Name { get; set; }

public User User1 { get; set; }

public User User2 { get; set; }

public User User3 { get; set; }

public User User4 { get; set; }

public User User5 { get; set; }

public User User6 { get; set; }

public User User7 { get; set; }

public User User8 { get; set; }

public User User9 { get; set; }

}

[Fact]

public void TestMultiMapArbitraryMaps()

{

// please excuse the trite example, but it is easier to follow than a more real-world one

var createSql = @"

create table #ReviewBoards (Id int, Name varchar(20), User1Id int, User2Id int, User3Id int, User4Id int, User5Id int, User6Id int, User7Id int, User8Id int, User9Id int)

create table #Users (Id int, Name varchar(20))

insert #Users values(1, 'User 1')

insert #Users values(2, 'User 2')

insert #Users values(3, 'User 3')

insert #Users values(4, 'User 4')

insert #Users values(5, 'User 5')

insert #Users values(6, 'User 6')

insert #Users values(7, 'User 7')

insert #Users values(8, 'User 8')

insert #Users values(9, 'User 9')

insert #ReviewBoards values(1, 'Review Board 1', 1, 2, 3, 4, 5, 6, 7, 8, 9)

connection.Execute(createSql);

try

{

var sql = @"

select

rb.Id, rb.Name,

u1.*, u2.*, u3.*, u4.*, u5.*, u6.*, u7.*, u8.*, u9.*

from #ReviewBoards rb

inner join #Users u1 on u1.Id = rb.User1Id

inner join #Users u2 on u2.Id = rb.User2Id

inner join #Users u3 on u3.Id = rb.User3Id

inner join #Users u4 on u4.Id = rb.User4Id

inner join #Users u5 on u5.Id = rb.User5Id

inner join #Users u6 on u6.Id = rb.User6Id

inner join #Users u7 on u7.Id = rb.User7Id

inner join #Users u8 on u8.Id = rb.User8Id

inner join #Users u9 on u9.Id = rb.User9Id

var types = new[] { typeof(ReviewBoard), typeof(User), typeof(User), typeof(User), typeof(User), typeof(User), typeof(User), typeof(User), typeof(User), typeof(User) };

Func<object[], ReviewBoard> mapper = (objects) =>

{

var board = (ReviewBoard)objects[0];

board.User1 = (User)objects[1];

board.User2 = (User)objects[2];

board.User3 = (User)objects[3];

board.User4 = (User)objects[4];

board.User5 = (User)objects[5];

board.User6 = (User)objects[6];

board.User7 = (User)objects[7];

board.User8 = (User)objects[8];

board.User9 = (User)objects[9];

return board;

};

var data = connection.Query<ReviewBoard>(sql, types, mapper).ToList();

var p = data.First();

p.Id.IsEqualTo(1);

p.Name.IsEqualTo("Review Board 1");

p.User1.Id.IsEqualTo(1);

p.User2.Id.IsEqualTo(2);

p.User3.Id.IsEqualTo(3);

p.User4.Id.IsEqualTo(4);

p.User5.Id.IsEqualTo(5);

p.User6.Id.IsEqualTo(6);

p.User7.Id.IsEqualTo(7);

p.User8.Id.IsEqualTo(8);

p.User9.Id.IsEqualTo(9);

p.User1.Name.IsEqualTo("User 1");

p.User2.Name.IsEqualTo("User 2");

p.User3.Name.IsEqualTo("User 3");

p.User4.Name.IsEqualTo("User 4");

p.User5.Name.IsEqualTo("User 5");

p.User6.Name.IsEqualTo("User 6");

p.User7.Name.IsEqualTo("User 7");

p.User8.Name.IsEqualTo("User 8");

p.User9.Name.IsEqualTo("User 9");

}

finally

{

connection.Execute("drop table #Users drop table #ReviewBoards");

}

[Fact]

public void TestMultiMapGridReader()

{

var createSql = @"

create table #Users (Id int, Name varchar(20))

create table #Posts (Id int, OwnerId int, Content varchar(20))

insert #Users values(99, 'Sam')

insert #Users values(2, 'I am')

insert #Posts values(1, 99, 'Sams Post1')

insert #Posts values(2, 99, 'Sams Post2')

insert #Posts values(3, null, 'no ones post')

connection.Execute(createSql);

var sql =

@"select p.*, u.Id, u.Name + '0' Name from #Posts p

left join #Users u on u.Id = p.OwnerId

Order by p.Id

select p.*, u.Id, u.Name + '1' Name from #Posts p

left join #Users u on u.Id = p.OwnerId

Order by p.Id

var grid = connection.QueryMultiple(sql);

for (int i = 0; i < 2; i++)

{

var data = grid.Read<Post, User, Post>((post, user) => { post.Owner = user; return post; }).ToList();

var p = data.First();

p.Content.IsEqualTo("Sams Post1");

p.Id.IsEqualTo(1);

p.Owner.Name.IsEqualTo("Sam" + i);

p.Owner.Id.IsEqualTo(99);

data[2].Owner.IsNull();

}

connection.Execute("drop table #Users drop table #Posts");

}

[Fact]

public void TestFlexibleMultiMapping()

{

var sql =

@"select

1 as PersonId, 'bob' as Name,

2 as AddressId, 'abc street' as Name, 1 as PersonId,

3 as Id, 'fred' as Name

var personWithAddress = connection.Query<Person, Address, Extra, Tuple<Person, Address, Extra>>

(sql, Tuple.Create, splitOn: "AddressId,Id").First();

personWithAddress.Item1.PersonId.IsEqualTo(1);

personWithAddress.Item1.Name.IsEqualTo("bob");

personWithAddress.Item2.AddressId.IsEqualTo(2);

personWithAddress.Item2.Name.IsEqualTo("abc street");

personWithAddress.Item2.PersonId.IsEqualTo(1);

personWithAddress.Item3.Id.IsEqualTo(3);

personWithAddress.Item3.Name.IsEqualTo("fred");

}

[Fact]

public void TestMultiMappingWithSplitOnSpaceBetweenCommas()

{

var sql = @"select

1 as PersonId, 'bob' as Name,

2 as AddressId, 'abc street' as Name, 1 as PersonId,

3 as Id, 'fred' as Name

var personWithAddress = connection.Query<Person, Address, Extra, Tuple<Person, Address, Extra>>

(sql, Tuple.Create, splitOn: "AddressId, Id").First();

personWithAddress.Item1.PersonId.IsEqualTo(1);

personWithAddress.Item1.Name.IsEqualTo("bob");

personWithAddress.Item2.AddressId.IsEqualTo(2);

personWithAddress.Item2.Name.IsEqualTo("abc street");

personWithAddress.Item2.PersonId.IsEqualTo(1);

personWithAddress.Item3.Id.IsEqualTo(3);

personWithAddress.Item3.Name.IsEqualTo("fred");

}

class Person

{

public int PersonId { get; set; }

public string Name { get; set; }

public string Occupation { get; private set; }

public int NumberOfLegs = 2;

public Address Address { get; set; }

}

class Address

{

public int AddressId { get; set; }

public string Name { get; set; }

public int PersonId { get; set; }

}

class Extra

{

public int Id { get; set; }

public string Name { get; set; }

}

[Fact]

public void TestMultiMappingWithNonReturnedProperty()

{

var sql = @"select

1 as PostId, 'Title' as Title,

2 as BlogId, 'Blog' as Title";

var postWithBlog = connection.Query<Post_DupeProp, Blog_DupeProp, Post_DupeProp>(sql,

(p, b) =>

{

p.Blog = b;

return p;

}, splitOn: "BlogId").First();

postWithBlog.PostId.IsEqualTo(1);

postWithBlog.Title.IsEqualTo("Title");

postWithBlog.Blog.BlogId.IsEqualTo(2);

postWithBlog.Blog.Title.IsEqualTo("Blog");

}

class Post_DupeProp

{

public int PostId { get; set; }

public string Title { get; set; }

public int BlogId { get; set; }

public Blog_DupeProp Blog { get; set; }

}

class Blog_DupeProp

{

public int BlogId { get; set; }

public string Title { get; set; }

}

dapper-dot-net/Dapper.Tests/Tests.MultiMap.cs at master · sateeshgithub/dapper-dot-net · GitHub

Expand file tree

Breadcrumbs

Tests.MultiMap.cs

Latest commit

History

Breadcrumbs

Tests.MultiMap.cs

File metadata and controls