mcs/class/System.Data.Linq/src/DbLinq/Test/Providers/ReadTests_DateTimeFunctions.cs

   1 #region MIT license\r
   2 // \r
   3 // MIT license\r
   4 //\r
   5 // Copyright (c) 2007-2008 Jiri Moudry, Pascal Craponne\r
   6 // \r
   7 // Permission is hereby granted, free of charge, to any person obtaining a copy\r
   8 // of this software and associated documentation files (the "Software"), to deal\r
   9 // in the Software without restriction, including without limitation the rights\r
  10 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\r
  11 // copies of the Software, and to permit persons to whom the Software is\r
  12 // furnished to do so, subject to the following conditions:\r
  13 // \r
  14 // The above copyright notice and this permission notice shall be included in\r
  15 // all copies or substantial portions of the Software.\r
  16 // \r
  17 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r
  18 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r
  19 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\r
  20 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r
  21 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\r
  22 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\r
  23 // THE SOFTWARE.\r
  24 // \r
  25 #endregion\r
  26 using System;\r
  27 using System.Globalization;\r
  28 using System.Collections.Generic;\r
  29 using System.Text;\r
  30 using System.Linq;\r
  31 using System.Linq.Expressions;\r
  32 using NUnit.Framework;\r
  33 using Test_NUnit;\r
  34 \r
  35 using nwind;\r
  36 \r
  37 #if MONO_STRICT\r
  38 using System.Data.Linq;\r
  39 #else\r
  40 using DbLinq.Data.Linq;\r
  41 #endif\r
  42 \r
  43 // test ns \r
  44 #if MYSQL\r
  45     namespace Test_NUnit_MySql\r
  46 #elif ORACLE && ODP\r
  47     namespace Test_NUnit_OracleODP\r
  48 #elif ORACLE\r
  49     namespace Test_NUnit_Oracle\r
  50 #elif POSTGRES\r
  51     namespace Test_NUnit_PostgreSql\r
  52 #elif SQLITE\r
  53     namespace Test_NUnit_Sqlite\r
  54 #elif INGRES\r
  55     namespace Test_NUnit_Ingres\r
  56 #elif MSSQL && L2SQL\r
  57     namespace Test_NUnit_MsSql_Strict\r
  58 #elif MSSQL\r
  59     namespace Test_NUnit_MsSql\r
  60 #elif FIREBIRD\r
  61     namespace Test_NUnit_Firebird\r
  62 #endif\r
  63 {\r
  64     [TestFixture]\r
  65     public class ReadTests_DateTimeFunctions : TestBase\r
  66     {\r
  67 #if !DEBUG && SQLITE\r
  68         [Explicit]\r
  69 #endif\r
  70         [Test]\r
  71         public void GetYear()\r
  72         {\r
  73             Northwind db = CreateDB();\r
  74 \r
  75             var q = from o in db.Orders\r
  76                     where o.OrderDate.Value.Year == 1996\r
  77                     select o;\r
  78 \r
  79             var list = q.ToList();\r
  80             Assert.IsTrue(list.Count > 0);\r
  81         }\r
  82 \r
  83 #if !DEBUG && SQLITE\r
  84         [Explicit]\r
  85 #endif\r
  86         [Test]\r
  87         public void GetMonth()\r
  88         {\r
  89             Northwind db = CreateDB();\r
  90 \r
  91             var q = from o in db.Orders\r
  92                     where o.OrderDate.Value.Month == 10\r
  93                     select o;\r
  94 \r
  95             var list = q.ToList();\r
  96             Assert.IsTrue(list.Count > 0);\r
  97         }\r
  98 \r
  99 #if !DEBUG && SQLITE\r
 100         [Explicit]\r
 101 #endif\r
 102         [Test]\r
 103         public void GetDay()\r
 104         {\r
 105             Northwind db = CreateDB();\r
 106 \r
 107             var q = from o in db.Orders\r
 108                     where o.OrderDate.Value.Day == 16\r
 109                     select o;\r
 110 \r
 111             var list = q.ToList();\r
 112             Assert.IsTrue(list.Count > 0);\r
 113         }\r
 114 \r
 115 #if !DEBUG && SQLITE\r
 116         [Explicit]\r
 117 #endif\r
 118         [Test]\r
 119         public void GetHours()\r
 120         {\r
 121             Northwind db = CreateDB();\r
 122 \r
 123             var q = (from o in db.Orders\r
 124                      where o.OrderDate.Value.Hour == 0\r
 125                      select o).ToList();\r
 126 \r
 127 \r
 128         }\r
 129 \r
 130 #if !DEBUG && SQLITE\r
 131         [Explicit]\r
 132 #endif\r
 133         [Test]\r
 134         public void GetMinutes()\r
 135         {\r
 136             Northwind db = CreateDB();\r
 137 \r
 138             var q = (from o in db.Orders\r
 139                      where o.OrderDate.Value.Minute == 0\r
 140                      select o).ToList();\r
 141 \r
 142 \r
 143         }\r
 144 \r
 145 #if !DEBUG && SQLITE\r
 146         [Explicit]\r
 147 #endif\r
 148         [Test]\r
 149         public void GetSeconds()\r
 150         {\r
 151             Northwind db = CreateDB();\r
 152 \r
 153             var q = (from o in db.Orders\r
 154                      where o.OrderDate.Value.Second == 16\r
 155                      select o).ToList();\r
 156 \r
 157         }\r
 158 \r
 159 #if !DEBUG && SQLITE\r
 160         [Explicit]\r
 161 #endif\r
 162         [Test]\r
 163         public void GetMilliSeconds()\r
 164         {\r
 165             Northwind db = CreateDB();\r
 166 \r
 167             var q = (from o in db.Orders\r
 168                      where o.OrderDate.Value.Millisecond == 0\r
 169                      select o).ToList();\r
 170 \r
 171         }\r
 172 \r
 173 #if !DEBUG && SQLITE\r
 174         [Explicit]\r
 175 #endif\r
 176         [Test]\r
 177         public void GetCurrentDateTime()\r
 178         {\r
 179             Northwind db = CreateDB();\r
 180             var query = from e in db.Employees\r
 181                         where e.BirthDate.HasValue && e.BirthDate.Value == DateTime.Now\r
 182                         select e;\r
 183 \r
 184             var list = query.ToList();\r
 185         }\r
 186 \r
 187 #if !DEBUG && SQLITE\r
 188         [Explicit]\r
 189 #endif\r
 190         [Test]\r
 191         public void Parse01()\r
 192         {\r
 193             Northwind db = CreateDB();\r
 194             var query = from e in db.Employees\r
 195                         where e.BirthDate.Value == DateTime.Parse("1984/05/02")\r
 196                         select e;\r
 197 \r
 198             var list = query.ToList();\r
 199         }\r
 200 \r
 201         [Test]\r
 202         [ExpectedException(typeof(NotSupportedException))]\r
 203         public void Parse02()\r
 204         {\r
 205             Northwind db = CreateDB();\r
 206             var query = from e in db.Employees\r
 207                         where e.BirthDate.Value == DateTime.Parse(e.BirthDate.ToString())\r
 208                         select e;\r
 209 \r
 210             var list = query.ToList();\r
 211         }\r
 212 \r
 213         [Test]\r
 214         public void Parse03()\r
 215         {\r
 216             Northwind db = CreateDB();\r
 217             var query = from e in db.Employees\r
 218                         where e.BirthDate.HasValue\r
 219                         select e.BirthDate.Value == DateTime.Parse("1984/05/02");\r
 220 \r
 221 \r
 222             var list = query.ToList();\r
 223         }\r
 224 \r
 225         [Test]\r
 226         [ExpectedException(typeof(InvalidOperationException))]\r
 227         public void Parse04()\r
 228         {\r
 229             Northwind db = CreateDB();\r
 230             var query = from e in db.Employees\r
 231                         select e.BirthDate.Value == DateTime.Parse(e.BirthDate.ToString());\r
 232 \r
 233 \r
 234             var list = query.ToList();\r
 235         }\r
 236 \r
 237 #if !DEBUG && SQLITE\r
 238         [Explicit]\r
 239 #endif\r
 240         [Test]\r
 241         public void DateTimeDiffTotalHours()\r
 242         {\r
 243             Northwind db = CreateDB();\r
 244             var query = from e in db.Employees\r
 245                         where (e.BirthDate.Value - DateTime.Parse("1984/05/02")).TotalHours > 0\r
 246                         select e;\r
 247 \r
 248 \r
 249             var list = query.ToList();\r
 250         }\r
 251 \r
 252 #if !DEBUG && SQLITE\r
 253         [Explicit]\r
 254 #endif\r
 255         [Test]\r
 256         public void DateTimeDiffHours()\r
 257         {\r
 258             Northwind db = CreateDB();\r
 259 \r
 260             DateTime parameterDateTime = db.Employees.First().BirthDate.Value.AddHours(2);\r
 261 \r
 262             var query = from e in db.Employees\r
 263                         where (e.BirthDate.Value - parameterDateTime).Hours > -2\r
 264                         select e;\r
 265 \r
 266 \r
 267             var list = query.ToList();\r
 268             Assert.Greater(list.Count, 0);\r
 269         }\r
 270 \r
 271 #if !DEBUG && SQLITE\r
 272         [Explicit]\r
 273 #endif\r
 274         [Test]\r
 275         public void DateTimeDiffTotalMinutes()\r
 276         {\r
 277             Northwind db = CreateDB();\r
 278             var query = from e in db.Employees\r
 279                         where (e.BirthDate.Value - DateTime.Parse("1984/05/02")).TotalMinutes > 0\r
 280                         select e;\r
 281 \r
 282 \r
 283             var list = query.ToList();\r
 284         }\r
 285 \r
 286 #if !DEBUG && SQLITE\r
 287         [Explicit]\r
 288 #endif\r
 289         [Test]\r
 290         public void DateTimeDiffMinutes()\r
 291         {\r
 292             Northwind db = CreateDB();\r
 293 \r
 294             DateTime parameterDateTime = db.Employees.First().BirthDate.Value.AddMinutes(2);\r
 295 \r
 296             var query = from e in db.Employees\r
 297                         where (e.BirthDate.Value - parameterDateTime).Minutes == -2\r
 298                         select e;\r
 299 \r
 300 \r
 301             var list = query.ToList();\r
 302             Assert.Greater(list.Count, 0);\r
 303         }\r
 304 \r
 305 \r
 306 #if !DEBUG && SQLITE\r
 307         [Explicit]\r
 308 #endif\r
 309         [Test]\r
 310         public void DateTimeDiffTotalSeconds()\r
 311         {\r
 312             Northwind db = CreateDB();\r
 313             var query = from e in db.Employees\r
 314                         where (e.BirthDate.Value - DateTime.Parse("1984/05/02")).TotalSeconds > 0\r
 315                         select e;\r
 316 \r
 317 \r
 318             var list = query.ToList();\r
 319         }\r
 320 \r
 321 #if !DEBUG && SQLITE\r
 322         [Explicit]\r
 323 #endif\r
 324         [Test]\r
 325         public void DateTimeDiffSeconds()\r
 326         {\r
 327             Northwind db = CreateDB();\r
 328 \r
 329             DateTime parameterDateTime = db.Employees.First().BirthDate.Value.AddSeconds(2);\r
 330 \r
 331             var query = from e in db.Employees\r
 332                         where (e.BirthDate.Value - parameterDateTime).Seconds == -2\r
 333                         select e;\r
 334 \r
 335 \r
 336             var list = query.ToList();\r
 337             Assert.Greater(list.Count, 0);\r
 338         }\r
 339 \r
 340 #if !DEBUG && (SQLITE || MSSQL)\r
 341         // L2SQL: SQL Server doesnt' seem to support millisecond precision.\r
 342         [Explicit]\r
 343 #endif\r
 344         [Test]\r
 345         public void DateTimeDiffMilliseconds()\r
 346         {\r
 347             Northwind db = CreateDB();\r
 348 \r
 349             DateTime parameterDateTime = db.Employees.First().BirthDate.Value.AddMilliseconds(2);\r
 350 \r
 351             var query = from e in db.Employees\r
 352                         where (e.BirthDate.Value - parameterDateTime).Milliseconds == -2\r
 353                         select e;\r
 354             \r
 355 \r
 356             var list = query.ToList();\r
 357             Assert.Greater(list.Count, 0);\r
 358         }\r
 359 \r
 360 #if !DEBUG && SQLITE\r
 361         [Explicit]\r
 362 #endif\r
 363         [Test]\r
 364         public void DateTimeDiffTotalMilliseconds()\r
 365         {\r
 366             Northwind db = CreateDB();\r
 367             var query = from e in db.Employees\r
 368                         where (e.BirthDate.Value - DateTime.Parse("1984/05/02")).TotalMinutes > 0\r
 369                         select e;\r
 370 \r
 371 \r
 372             var list = query.ToList();\r
 373         }\r
 374 \r
 375 #if !DEBUG && SQLITE\r
 376         [Explicit]\r
 377 #endif\r
 378         [Test]\r
 379         public void DateTimeDiffDays()\r
 380         {\r
 381             Northwind db = CreateDB();\r
 382 \r
 383             DateTime parameterDateTime = db.Employees.First().BirthDate.Value.AddDays(2);\r
 384 \r
 385             var query = from e in db.Employees\r
 386                         where (e.BirthDate.Value - parameterDateTime).Days == -2\r
 387                         select e;\r
 388 \r
 389 \r
 390             var list = query.ToList();\r
 391             Assert.Greater(list.Count, 0);\r
 392         }\r
 393 \r
 394 #if !DEBUG && SQLITE\r
 395         [Explicit]\r
 396 #endif\r
 397         [Test]\r
 398         public void DateTimeDiffTotalDays()\r
 399         {\r
 400             Northwind db = CreateDB();\r
 401             DateTime firstDate = db.Employees.First().BirthDate.Value;\r
 402 \r
 403             DateTime parameterDate = firstDate.Date.AddDays(2);\r
 404             parameterDate = parameterDate.Date.AddHours(12);\r
 405 \r
 406 \r
 407             var query = from e in db.Employees\r
 408                         where (e.BirthDate.Value -parameterDate).TotalDays == -2.5\r
 409                         select e;\r
 410 \r
 411             var list = query.ToList();\r
 412 \r
 413             Assert.Greater(list.Count, 0);\r
 414         }\r
 415 \r
 416 #if !DEBUG && POSTGRES\r
 417         [Explicit]\r
 418 #endif\r
 419         [Test]\r
 420         [ExpectedException(typeof(InvalidOperationException))]\r
 421         public void DateTimeDiffTotalDaysSelectWithNulls01()\r
 422         {\r
 423             \r
 424             Northwind db = CreateDB();\r
 425 \r
 426             var employee = new Employee\r
 427             {\r
 428                 FirstName = "Test First",\r
 429                 LastName  = "Test Last",\r
 430             };\r
 431             db.Employees.InsertOnSubmit(employee);\r
 432             db.SubmitChanges();\r
 433 \r
 434             DateTime firstDate = db.Employees.First().BirthDate.Value;\r
 435             firstDate.Date.AddDays(2);\r
 436             DateTime parameterDate = firstDate.Date.AddHours(12);\r
 437 \r
 438             try\r
 439             {\r
 440                 //this test should throw an invalid operation exception since one BirthDate is null so select clausle should crash\r
 441                 var query = from e in db.Employees\r
 442                             select (e.BirthDate.Value - parameterDate).TotalDays;\r
 443 \r
 444                 var list = query.ToList();\r
 445 \r
 446                 Assert.Greater(list.Count, 0);\r
 447             }\r
 448             finally\r
 449             {\r
 450                 db.Employees.DeleteOnSubmit(employee);\r
 451                 db.SubmitChanges();\r
 452             }\r
 453         }\r
 454 \r
 455 #if !DEBUG && POSTGRES\r
 456         [Explicit]\r
 457 #endif\r
 458         [Test]\r
 459         public void DateTimeDiffTotalDaysSelectWithNulls02()\r
 460         {\r
 461             Northwind db = CreateDB();\r
 462 \r
 463             var employee = new Employee\r
 464             {\r
 465                 FirstName = "Test First",\r
 466                 LastName = "Test Last",\r
 467             };\r
 468             db.Employees.InsertOnSubmit(employee);\r
 469             db.SubmitChanges();\r
 470 \r
 471             DateTime firstDate = db.Employees.First().BirthDate.Value;\r
 472 \r
 473             DateTime parameterDate = firstDate.Date.AddDays(2);\r
 474             parameterDate = parameterDate.Date.AddHours(12);\r
 475 \r
 476             try\r
 477             {\r
 478                 var query = from e in db.Employees\r
 479                             where e.BirthDate.HasValue\r
 480                             select (e.BirthDate.Value - parameterDate).TotalDays;\r
 481 \r
 482                 var list = query.ToList();\r
 483 \r
 484                 Assert.Greater(list.Count, 0);\r
 485             }\r
 486             finally\r
 487             {\r
 488                 db.Employees.DeleteOnSubmit(employee);\r
 489                 db.SubmitChanges();\r
 490             }\r
 491         }\r
 492 \r
 493 \r
 494 #if !DEBUG && (SQLITE || (MSSQL && L2SQL))\r
 495         // L2SQL: System.Data.SqlClient.SqlException : The datepart minute is not supported by date function datepart for data type date.\r
 496         [Explicit]\r
 497 #endif\r
 498         [Test]\r
 499         public void DateGetDate()\r
 500         {\r
 501             Northwind db = CreateDB();\r
 502             var query = from e in db.Employees\r
 503                         where (e.BirthDate.Value.Date).Minute == 0\r
 504                         select e;\r
 505 \r
 506 \r
 507             var list = query.ToList();\r
 508         }\r
 509     }\r
 510 }\r