Add tests for DateTime to tstz mapping issue (#317)

* add tests for DateTime to tstz mapping issue

* verify fix

Author: MaceWindu

Directory.Packages.props

@@ -5,8 +5,8 @@
 		<PackageVersion Include="NUnit" Version="3.13.3" />
 		<PackageVersion Include="FluentAssertions" Version="6.10.0" />
 
-		<PackageVersion Include="linq2db" Version="5.1.0" />
-		<PackageVersion Include="linq2db.Tools" Version="5.1.0" />
+		<PackageVersion Include="linq2db" Version="5.2.0" />
+		<PackageVersion Include="linq2db.Tools" Version="5.2.0" />
 
 		<PackageVersion Include="Microsoft.SourceLink.GitHub" Version="1.1.1" />
 
@@ -17,7 +17,7 @@
 		<PackageVersion Include="Microsoft.Extensions.Logging.Console" Version="7.0.0" />
 
 		<PackageVersion Include="Pomelo.EntityFrameworkCore.MySql" Version="7.0.0" />
-		<PackageVersion Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="7.0.3" />
+		<PackageVersion Include="Npgsql.EntityFrameworkCore.PostgreSQL.NodaTime" Version="7.0.3" />
 		<PackageVersion Include="Microsoft.EntityFrameworkCore.Sqlite" Version="7.0.3" />
 		<PackageVersion Include="Microsoft.EntityFrameworkCore.SqlServer" Version="7.0.3" />
 

Tests/LinqToDB.EntityFrameworkCore.PostgreSQL.Tests/LinqToDB.EntityFrameworkCore.PostgreSQL.Tests.csproj

@@ -4,10 +4,7 @@
 
 	<ItemGroup>
 		<PackageReference Include="FluentAssertions" />
-	</ItemGroup>
-
-	<ItemGroup>
-		<PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" />
+		<PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL.NodaTime" />
 	</ItemGroup>
 
 	<ItemGroup>

Tests/LinqToDB.EntityFrameworkCore.PostgreSQL.Tests/Models/NpgSqlEntities/NpgSqlEnititesContext.cs

@@ -30,11 +30,19 @@ protected override void OnModelCreating(ModelBuilder modelBuilder)
 				entity.Property<uint>(nameof(NpgSqlEntities.EntityWithXmin.xmin)).IsRowVersion();
 			});
 
+			modelBuilder.Entity<TimeStampEntity>(e =>
+			{
+				e.Property(e => e.Timestamp1).HasColumnType("timestamp");
+				e.Property(e => e.Timestamp2).HasColumnType("timestamp");
+				e.Property(e => e.TimestampTZ1).HasColumnType("timestamp with time zone");
+				e.Property(e => e.TimestampTZ2).HasColumnType("timestamp with time zone");
+				e.Property(e => e.TimestampTZ3).HasColumnType("timestamp with time zone");
+			});
 		}
 
 		public virtual DbSet<Event> Events { get; set; } = null!;
 		public virtual DbSet<EntityWithArrays> EntityWithArrays { get; set; } = null!;
 		public virtual DbSet<EntityWithXmin> EntityWithXmin { get; set; } = null!;
-
+		public virtual DbSet<TimeStampEntity> TimeStamps { get; set; } = null!;
 	}
 }

Tests/LinqToDB.EntityFrameworkCore.PostgreSQL.Tests/Models/NpgSqlEntities/TimeStampEntity.cs

@@ -0,0 +1,15 @@
+using System;
+using NodaTime;
+
+namespace LinqToDB.EntityFrameworkCore.PostgreSQL.Tests.Models.NpgSqlEntities
+{
+	public class TimeStampEntity
+	{
+		public int            Id           { get; set; }
+		public DateTime       Timestamp1   { get; set; }
+		public LocalDateTime  Timestamp2   { get; set; }
+		public DateTime       TimestampTZ1 { get; set; }
+		public DateTimeOffset TimestampTZ2 { get; set; }
+		public Instant        TimestampTZ3 { get; set; }
+	}
+}

Tests/LinqToDB.EntityFrameworkCore.PostgreSQL.Tests/NpgSqlTests.cs

@@ -6,6 +6,7 @@
 using LinqToDB.EntityFrameworkCore.BaseTests;
 using LinqToDB.EntityFrameworkCore.PostgreSQL.Tests.Models.NpgSqlEntities;
 using Microsoft.EntityFrameworkCore;
+using NodaTime;
 using NUnit.Framework;
 
 namespace LinqToDB.EntityFrameworkCore.PostgreSQL.Tests
@@ -23,10 +24,9 @@ static NpgSqlTests()
 		public NpgSqlTests()
 		{
 			var optionsBuilder = new DbContextOptionsBuilder<NpgSqlEnititesContext>();
-			//new SqlServerDbContextOptionsBuilder(optionsBuilder);
 
-			//optionsBuilder.UseNpgsql("Server=DBHost;Port=5432;Database=TestData;User Id=postgres;Password=TestPassword;Pooling=true;MinPoolSize=10;MaxPoolSize=100;");
-			optionsBuilder.UseNpgsql("Server=localhost;Port=5415;Database=TestData;User Id=postgres;Password=Password12!;Pooling=true;MinPoolSize=10;MaxPoolSize=100;");
+			//optionsBuilder.UseNpgsql("Server=DBHost;Port=5432;Database=TestData;User Id=postgres;Password=TestPassword;Pooling=true;MinPoolSize=10;MaxPoolSize=100;", o => o.UseNodaTime());
+			optionsBuilder.UseNpgsql("Server=localhost;Port=5415;Database=TestData;User Id=postgres;Password=Password12!;Pooling=true;MinPoolSize=10;MaxPoolSize=100;", o => o.UseNodaTime());
 			optionsBuilder.UseLoggerFactory(TestUtils.LoggerFactory);
 
 			_options = optionsBuilder.Options;
@@ -100,7 +100,6 @@ public void TestConcurrencyToken()
 			db.BulkCopy(toInsert);
 		}
 
-
 		[Test]
 		public void TestUnnest()
 		{
@@ -119,5 +118,23 @@ where Sql.Ext.PostgreSQL().Overlaps(m.Guids, guids)
 			query.Invoking(q => q.ToArray()).Should().NotThrow();
 		}
 
+		[Test]
+		public void TestDateTimeKind([Values] DateTimeKind kind)
+		{
+			using var db = CreateNpgSqlEntitiesContext();
+			using var dc = db.CreateLinqToDBConnection();
+
+			var dt  = new DateTime(DateTime.Now.Ticks, kind);
+			var dto = DateTimeOffset.Now;
+			var ins = Instant.FromDateTimeOffset(dto);
+			var ldt = LocalDateTime.FromDateTime(DateTime.Now);
+
+			db.TimeStamps.Where(e => e.Timestamp1 == dt).ToLinqToDB().ToArray();
+			db.TimeStamps.Where(e => e.Timestamp2 == ldt).ToLinqToDB().ToArray();
+			db.TimeStamps.Where(e => e.TimestampTZ1 == dt).ToLinqToDB().ToArray();
+			db.TimeStamps.Where(e => e.TimestampTZ2 == dto).ToLinqToDB().ToArray();
+			db.TimeStamps.Where(e => e.TimestampTZ3 == ins).ToLinqToDB().ToArray();
+		}
+
 	}
 }