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EntityFrameworkCore.Jet/test/EFCore.Jet.FunctionalTests/JetEndToEndTest.cs

2292 lines
76 KiB
C#

// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;
using System.IO.Pipelines;
using System.Linq;
using System.Reflection;
using System.Runtime.CompilerServices;
using System.Threading.Tasks;
using EntityFrameworkCore.Jet.FunctionalTests.TestUtilities;
using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.TestUtilities;
using Xunit;
using static Microsoft.EntityFrameworkCore.Scaffolding.CompiledModelRelationalTestBase;
// ReSharper disable StringStartsWithIsCultureSpecific
// ReSharper disable VirtualMemberCallInConstructor
// ReSharper disable ClassNeverInstantiated.Local
// ReSharper disable UnusedAutoPropertyAccessor.Local
// ReSharper disable InconsistentNaming
#nullable disable
namespace EntityFrameworkCore.Jet.FunctionalTests
{
public class JetEndToEndTest : IClassFixture<JetFixture>
{
private const string DatabaseName = "JetEndToEndTest";
protected JetFixture Fixture { get; }
public JetEndToEndTest(JetFixture fixture)
{
Fixture = fixture;
Fixture.TestSqlLoggerFactory.Clear();
}
[ConditionalFact]
public async Task Can_use_decimal_and_byte_as_identity_columns()
{
using var testDatabase = await JetTestStore.CreateInitializedAsync(DatabaseName);
var nownNum1 = new NownNum { Id = 77.0m, TheWalrus = "Crying" };
var nownNum2 = new NownNum { Id = 78.0m, TheWalrus = "Walrus" };
var numNum1 = new NumNum { TheWalrus = "I" };
var numNum2 = new NumNum { TheWalrus = "Am" };
var anNum1 = new AnNum { TheWalrus = "Goo goo" };
var anNum2 = new AnNum { TheWalrus = "g'joob" };
var adNum1 = new AdNum { TheWalrus = "Eggman" };
var adNum2 = new AdNum { TheWalrus = "Eggmen" };
var byteNownNum1 = new ByteNownNum { Id = 77, Lucy = "Tangerine" };
var byteNownNum2 = new ByteNownNum { Id = 78, Lucy = "Trees" };
var byteNum1 = new ByteNum { Lucy = "Marmalade" };
var byteNum2 = new ByteNum { Lucy = "Skies" };
var byteAnNum1 = new ByteAnNum { Lucy = "Cellophane" };
var byteAnNum2 = new ByteAnNum { Lucy = "Flowers" };
var byteAdNum1 = new ByteAdNum { Lucy = "Kaleidoscope" };
var byteAdNum2 = new ByteAdNum { Lucy = "Eyes" };
decimal[] preSaveValues;
byte[] preSaveByteValues;
var options = Fixture.CreateOptions(testDatabase);
using (var context = new NumNumContext(options))
{
context.Database.EnsureCreatedResiliently();
context.AddRange(
nownNum1, nownNum2, numNum1, numNum2, adNum1, adNum2, anNum1, anNum2,
byteNownNum1, byteNownNum2, byteNum1, byteNum2, byteAdNum1, byteAdNum2, byteAnNum1, byteAnNum2);
preSaveValues = [numNum1.Id, numNum2.Id, adNum1.Id, adNum2.Id, anNum1.Id, anNum2.Id];
preSaveByteValues = [byteNum1.Id, byteNum2.Id, byteAdNum1.Id, byteAdNum2.Id, byteAnNum1.Id, byteAnNum2.Id];
context.SaveChanges();
}
using (var context = new NumNumContext(options))
{
Assert.Equal(nownNum1.Id, context.NownNums.Single(e => e.TheWalrus == "Crying").Id);
Assert.Equal(nownNum2.Id, context.NownNums.Single(e => e.TheWalrus == "Walrus").Id);
Assert.Equal(77.0m, nownNum1.Id);
Assert.Equal(78.0m, nownNum2.Id);
Assert.Equal(numNum1.Id, context.NumNums.Single(e => e.TheWalrus == "I").Id);
Assert.Equal(numNum2.Id, context.NumNums.Single(e => e.TheWalrus == "Am").Id);
Assert.NotEqual(numNum1.Id, preSaveValues[0]);
Assert.NotEqual(numNum2.Id, preSaveValues[1]);
Assert.Equal(anNum1.Id, context.AnNums.Single(e => e.TheWalrus == "Goo goo").Id);
Assert.Equal(anNum2.Id, context.AnNums.Single(e => e.TheWalrus == "g'joob").Id);
Assert.NotEqual(adNum1.Id, preSaveValues[2]);
Assert.NotEqual(adNum2.Id, preSaveValues[3]);
Assert.Equal(adNum1.Id, context.AdNums.Single(e => e.TheWalrus == "Eggman").Id);
Assert.Equal(adNum2.Id, context.AdNums.Single(e => e.TheWalrus == "Eggmen").Id);
Assert.NotEqual(anNum1.Id, preSaveValues[4]);
Assert.NotEqual(anNum2.Id, preSaveValues[5]);
Assert.Equal(byteNownNum1.Id, context.ByteNownNums.Single(e => e.Lucy == "Tangerine").Id);
Assert.Equal(byteNownNum2.Id, context.ByteNownNums.Single(e => e.Lucy == "Trees").Id);
Assert.Equal(77, byteNownNum1.Id);
Assert.Equal(78, byteNownNum2.Id);
Assert.Equal(byteNum1.Id, context.ByteNums.Single(e => e.Lucy == "Marmalade").Id);
Assert.Equal(byteNum2.Id, context.ByteNums.Single(e => e.Lucy == "Skies").Id);
Assert.NotEqual(byteNum1.Id, preSaveByteValues[0]);
Assert.NotEqual(byteNum2.Id, preSaveByteValues[1]);
Assert.Equal(byteAnNum1.Id, context.ByteAnNums.Single(e => e.Lucy == "Cellophane").Id);
Assert.Equal(byteAnNum2.Id, context.ByteAnNums.Single(e => e.Lucy == "Flowers").Id);
Assert.NotEqual(byteAdNum1.Id, preSaveByteValues[2]);
Assert.NotEqual(byteAdNum2.Id, preSaveByteValues[3]);
Assert.Equal(byteAdNum1.Id, context.ByteAdNums.Single(e => e.Lucy == "Kaleidoscope").Id);
Assert.Equal(byteAdNum2.Id, context.ByteAdNums.Single(e => e.Lucy == "Eyes").Id);
Assert.NotEqual(byteAnNum1.Id, preSaveByteValues[4]);
Assert.NotEqual(byteAnNum2.Id, preSaveByteValues[5]);
}
}
private class NumNumContext(DbContextOptions options) : DbContext(options)
{
public DbSet<NownNum> NownNums { get; set; }
public DbSet<NumNum> NumNums { get; set; }
public DbSet<AnNum> AnNums { get; set; }
public DbSet<AdNum> AdNums { get; set; }
public DbSet<ByteNownNum> ByteNownNums { get; set; }
public DbSet<ByteNum> ByteNums { get; set; }
public DbSet<ByteAnNum> ByteAnNums { get; set; }
public DbSet<ByteAdNum> ByteAdNums { get; set; }
protected override void OnModelCreating(ModelBuilder modelBuilder)
{
modelBuilder
.Entity<NumNum>()
.Property(e => e.Id)
.HasColumnType("numeric(18, 0)")
.UseJetIdentityColumn();
modelBuilder
.Entity<AdNum>()
.Property(e => e.Id)
.HasColumnType("decimal(10, 0)")
.ValueGeneratedOnAdd();
modelBuilder
.Entity<ByteNum>()
.Property(e => e.Id)
.UseJetIdentityColumn();
modelBuilder
.Entity<ByteAdNum>()
.Property(e => e.Id)
.ValueGeneratedOnAdd();
modelBuilder
.Entity<NownNum>()
.Property(e => e.Id)
.HasColumnType("numeric(18, 0)");
}
}
private class NownNum
{
public decimal Id { get; set; }
public string TheWalrus { get; set; }
}
private class NumNum
{
public decimal Id { get; set; }
public string TheWalrus { get; set; }
}
private class AnNum
{
[Column(TypeName = "decimal(18, 0)")]
[DatabaseGenerated(DatabaseGeneratedOption.Identity)]
public decimal Id { get; set; }
public string TheWalrus { get; set; }
}
private class AdNum
{
public decimal Id { get; set; }
public string TheWalrus { get; set; }
}
private class ByteNownNum
{
public byte Id { get; set; }
public string Lucy { get; set; }
}
private class ByteNum
{
public byte Id { get; set; }
public string Lucy { get; set; }
}
private class ByteAnNum
{
[DatabaseGenerated(DatabaseGeneratedOption.Identity)]
public byte Id { get; set; }
public string Lucy { get; set; }
}
private class ByteAdNum
{
public byte Id { get; set; }
public string Lucy { get; set; }
}
[ConditionalFact] // Issue #29931
public async Task Can_use_SqlQuery_when_context_has_DbFunction()
{
using var testDatabase = await JetTestStore.CreateInitializedAsync(DatabaseName);
var options = Fixture.CreateOptions(testDatabase);
using (var context = new DbFunctionContext(options))
{
var result = context.Database
.SqlQueryRaw<RawResult>("SELECT Name from sys.databases")
.OrderBy(d => d.Name)
.ToList();
}
}
private class DbFunctionContext(DbContextOptions options) : DbContext(options)
{
[DbFunction("tvp", "dbo")]
public IQueryable<TvpResult> Tvp(int? storeid)
=> FromExpression(() => Tvp(storeid));
protected override void OnModelCreating(ModelBuilder modelBuilder)
=> modelBuilder.Entity<TvpResult>().HasNoKey();
}
private class TvpResult
{
public int Id { get; set; }
[Required]
public string Name { get; set; }
[Column(TypeName = "decimal(18,2)")]
public decimal Total { get; set; }
}
private class RawResult
{
public string Name { get; set; }
}
[ConditionalFact]
public async Task Can_use_string_enum_or_byte_array_as_key()
{
using var testDatabase = await JetTestStore.CreateInitializedAsync(DatabaseName);
var sNum1 = new SNum { TheWalrus = "I" };
var sNum2 = new SNum { TheWalrus = "Am" };
var enNum1 = new EnNum { TheWalrus = "Goo goo", Id = ENum.BNum };
var enNum2 = new EnNum { TheWalrus = "g'joob", Id = ENum.CNum };
var bNum1 = new BNum { TheWalrus = "Eggman" };
var bNum2 = new BNum { TheWalrus = "Eggmen" };
var options = Fixture.CreateOptions(testDatabase);
using (var context = new ENumContext(options))
{
context.Database.EnsureCreatedResiliently();
context.AddRange(sNum1, sNum2, enNum1, enNum2, bNum1, bNum2);
context.SaveChanges();
}
using (var context = new ENumContext(options))
{
Assert.Equal(sNum1.Id, context.SNums.Single(e => e.TheWalrus == "I").Id);
Assert.Equal(sNum2.Id, context.SNums.Single(e => e.TheWalrus == "Am").Id);
Assert.Equal(enNum1.Id, context.EnNums.Single(e => e.TheWalrus == "Goo goo").Id);
Assert.Equal(enNum2.Id, context.EnNums.Single(e => e.TheWalrus == "g'joob").Id);
Assert.Equal(bNum1.Id, context.BNums.Single(e => e.TheWalrus == "Eggman").Id);
Assert.Equal(bNum2.Id, context.BNums.Single(e => e.TheWalrus == "Eggmen").Id);
}
}
[ConditionalFact]
public async Task Can_remove_multiple_byte_array_as_key()
{
using var testDatabase = await JetTestStore.CreateInitializedAsync(DatabaseName);
var bNum1 = new BNum { TheWalrus = "Eggman" };
var bNum2 = new BNum { TheWalrus = "Eggmen" };
var options = Fixture.CreateOptions(testDatabase);
using (var context = new ENumContext(options))
{
context.Database.EnsureCreatedResiliently();
context.AddRange(bNum1, bNum2);
context.SaveChanges();
}
using (var context = new ENumContext(options))
{
Assert.Equal(bNum1.Id, context.BNums.Single(e => e.TheWalrus == "Eggman").Id);
Assert.Equal(bNum2.Id, context.BNums.Single(e => e.TheWalrus == "Eggmen").Id);
context.RemoveRange(context.BNums);
context.SaveChanges();
}
}
private class ENumContext(DbContextOptions options) : DbContext(options)
{
public DbSet<SNum> SNums { get; set; }
public DbSet<EnNum> EnNums { get; set; }
public DbSet<BNum> BNums { get; set; }
}
[ConditionalFact]
public async Task Can_add_table_splitting_dependent_after_principal()
{
using var testDatabase = await JetTestStore.CreateInitializedAsync(DatabaseName);
var options = Fixture.CreateOptions(testDatabase);
EvaluationAction evaluationAction = null;
using (var context = new ProjectContext(options))
{
context.Database.EnsureCreatedResiliently();
evaluationAction = new EvaluationAction
{
Id = Guid.NewGuid().ToString(),
CreateId = "1",
UpdateId = "1"
};
context.EvaluationActions.Add(evaluationAction);
context.SaveChanges();
}
using (var context = new ProjectContext(options))
{
context.Database.EnsureCreatedResiliently();
var projectAction = new ProjectAction
{
Id = evaluationAction.Id,
CreateId = "1",
UpdateId = "1",
Name = "123123123123"
};
context.ProjectActions.Add(projectAction);
context.SaveChanges();
}
using (var context = new ProjectContext(options))
{
Assert.NotNull(context.ProjectActions.Single());
Assert.NotNull(context.EvaluationActions.Single());
}
}
[ConditionalFact]
public async Task Throws_when_adding_table_splitting_dependent_without_principal()
{
using var testDatabase = await JetTestStore.CreateInitializedAsync(DatabaseName);
var options = Fixture.CreateOptions(testDatabase);
using (var context = new ProjectContext(options))
{
context.Database.EnsureCreatedResiliently();
var projectAction = new ProjectAction
{
Id = Guid.NewGuid().ToString(),
CreateId = "1",
UpdateId = "1",
Name = "123123123123"
};
context.ProjectActions.Add(projectAction);
Assert.Throws<DbUpdateConcurrencyException>(() => context.SaveChanges());
}
}
private class ProjectContext(DbContextOptions options) : DbContext(options)
{
public DbSet<EvaluationAction> EvaluationActions { get; set; }
public DbSet<ProjectAction> ProjectActions { get; set; }
protected override void OnModelCreating(ModelBuilder modelBuilder)
{
modelBuilder.Entity<ProjectAction>()
.ToTable("projectaction")
.HasOne(o => o.EvaluationAction).WithOne(o => o.ProjectAction)
.HasForeignKey<ProjectAction>(o => o.Id);
modelBuilder.Entity<ProjectAction>().Property(p => p.Name).IsRequired();
modelBuilder.Entity<EvaluationAction>()
.ToTable("projectaction");
}
}
private class ProjectAction
{
public string Id { get; set; }
public string CreateId { get; set; }
public string UpdateId { get; set; }
public string Name { get; set; }
public EvaluationAction EvaluationAction { get; set; }
}
private class EvaluationAction
{
public string Id { get; set; }
public string CreateId { get; set; }
public string UpdateId { get; set; }
public ProjectAction ProjectAction { get; set; }
}
private class SNum
{
[DatabaseGenerated(DatabaseGeneratedOption.Identity)]
public string Id { get; set; }
public string TheWalrus { get; set; }
}
private class EnNum
{
public ENum Id { get; set; }
public string TheWalrus { get; set; }
}
private enum ENum
{
// ReSharper disable once UnusedMember.Local
ANum,
BNum,
CNum
}
private class BNum
{
[DatabaseGenerated(DatabaseGeneratedOption.Identity)]
public byte[] Id { get; set; }
public string TheWalrus { get; set; }
}
[ConditionalFact]
public async Task Can_add_and_remove_entities_with_keys_of_different_type()
{
using var testDatabase = await JetTestStore.CreateInitializedAsync(DatabaseName);
var options = Fixture.CreateOptions(testDatabase);
using (var context = new CompositeKeysDbContext(options))
{
context.Database.EnsureCreatedResiliently();
var first = new Int32CompositeKeys { Id1 = 1, Id2 = 2 };
await context.AddAsync(first);
var second = new Int64CompositeKeys { Id1 = 1, Id2 = 2 };
await context.AddAsync(second);
await context.SaveChangesAsync();
}
using (var context = new CompositeKeysDbContext(options))
{
var first = context.Set<Int32CompositeKeys>().Single();
context.Remove(first);
var second = context.Set<Int64CompositeKeys>().Single();
context.Remove(second);
await context.SaveChangesAsync();
}
}
private class CompositeKeysDbContext(DbContextOptions options) : DbContext(options)
{
protected override void OnModelCreating(ModelBuilder modelBuilder)
{
modelBuilder.Entity<Int32CompositeKeys>().HasKey(i => new { i.Id1, i.Id2 });
modelBuilder.Entity<Int64CompositeKeys>().HasKey(l => new { l.Id1, l.Id2 });
}
}
private class Int32CompositeKeys
{
public int Id1 { get; set; }
public int Id2 { get; set; }
}
private class Int64CompositeKeys
{
public long Id1 { get; set; }
public long Id2 { get; set; }
}
[ConditionalFact]
public async Task Can_insert_non_owner_principal_for_owned()
{
using var testDatabase = await JetTestStore.CreateInitializedAsync(DatabaseName);
var options = Fixture.CreateOptions(testDatabase);
using (var context = new FileContext(options))
{
context.Database.EnsureCreatedResiliently();
var category = new Category();
context.Categories.Add(category);
context.SaveChanges();
var fileMetadata = new FileMetadata();
context.FileMetadata.Add(fileMetadata);
category.Picture = new FileSource { FileId = fileMetadata.Id };
context.SaveChanges();
}
}
private class FileContext(DbContextOptions options) : DbContext(options)
{
public DbSet<FileMetadata> FileMetadata { get; set; }
public DbSet<Category> Categories { get; set; }
protected override void OnModelCreating(ModelBuilder modelBuilder)
{
base.OnModelCreating(modelBuilder);
modelBuilder.Entity<Category>(
builder =>
{
builder.OwnsOne(
x => x.Picture, fileSource =>
{
fileSource.HasOne<FileMetadata>().WithOne().HasForeignKey<FileSource>(x => x.FileId);
});
});
}
}
private sealed class FileMetadata
{
public Guid Id { get; set; }
}
private sealed class Category
{
public Guid Id { get; set; }
public FileSource Picture { get; set; }
}
private sealed class FileSource
{
public Guid? FileId { get; set; }
public bool Deleted { get; set; }
}
[ConditionalFact]
public async Task Can_insert_TPT_dependents_with_identity()
{
using var testDatabase = await JetTestStore.CreateInitializedAsync(DatabaseName);
var options = Fixture.CreateOptions(testDatabase);
using (var context = new CarContext(options))
{
context.Database.EnsureCreatedResiliently();
var ferrari = new Ferrari { Special = new Car() };
await context.AddAsync(ferrari);
await context.SaveChangesAsync();
Assert.NotNull(ferrari.Special);
}
}
private class CarContext(DbContextOptions options) : DbContext(options)
{
protected override void OnModelCreating(ModelBuilder modelBuilder)
{
modelBuilder.Entity<Car>().ToTable("Car");
modelBuilder.Entity<Ferrari>().ToTable("Ferrari");
}
}
private class Car
{
public int Id { get; set; }
}
private class Ferrari : Car
{
public Car Special { get; set; }
}
[ConditionalFact]
public async Task Can_run_linq_query_on_entity_set()
{
using var testStore = await JetTestStore.GetNorthwindStoreAsync();
using var db = new NorthwindContext(Fixture.CreateOptions(testStore));
var results = db.Customers
.Where(c => c.CompanyName.StartsWith("A"))
.OrderByDescending(c => c.CustomerID)
.ToList();
Assert.Equal(4, results.Count);
Assert.Equal("AROUT", results[0].CustomerID);
Assert.Equal("ANTON", results[1].CustomerID);
Assert.Equal("ANATR", results[2].CustomerID);
Assert.Equal("ALFKI", results[3].CustomerID);
Assert.Equal("(171) 555-6750", results[0].Fax);
Assert.Null(results[1].Fax);
Assert.Equal("(5) 555-3745", results[2].Fax);
Assert.Equal("030-0076545", results[3].Fax);
}
[ConditionalFact]
public async Task Can_run_linq_query_on_entity_set_with_value_buffer_reader()
{
using var testStore = await JetTestStore.GetNorthwindStoreAsync();
using var db = new NorthwindContext(Fixture.CreateOptions(testStore));
var results = db.Customers
.Where(c => c.CompanyName.StartsWith("A"))
.OrderByDescending(c => c.CustomerID)
.ToList();
Assert.Equal(4, results.Count);
Assert.Equal("AROUT", results[0].CustomerID);
Assert.Equal("ANTON", results[1].CustomerID);
Assert.Equal("ANATR", results[2].CustomerID);
Assert.Equal("ALFKI", results[3].CustomerID);
Assert.Equal("(171) 555-6750", results[0].Fax);
Assert.Null(results[1].Fax);
Assert.Equal("(5) 555-3745", results[2].Fax);
Assert.Equal("030-0076545", results[3].Fax);
}
[ConditionalFact]
public async Task Can_enumerate_entity_set()
{
using var testStore = await JetTestStore.GetNorthwindStoreAsync();
using var db = new NorthwindContext(Fixture.CreateOptions(testStore));
var results = new List<Customer>();
foreach (var item in db.Customers)
{
results.Add(item);
}
Assert.Equal(91, results.Count);
Assert.Equal("ALFKI", results[0].CustomerID);
Assert.Equal("Alfreds Futterkiste", results[0].CompanyName);
}
[ConditionalFact]
public async Task Can_save_changes()
{
using var testDatabase = await JetTestStore.CreateInitializedAsync(DatabaseName);
var options = Fixture.CreateOptions(testDatabase);
using (var db = new BloggingContext(options))
{
await CreateBlogDatabaseAsync<Blog>(db);
}
Fixture.TestSqlLoggerFactory.Clear();
using (var db = new BloggingContext(options))
{
var toUpdate = db.Blogs.Single(b => b.Name == "Blog1");
toUpdate.Name = "Blog is Updated";
var updatedId = toUpdate.Id;
var toDelete = db.Blogs.Single(b => b.Name == "Blog2");
toDelete.Name = "Blog to delete";
var deletedId = toDelete.Id;
db.Entry(toUpdate).State = EntityState.Modified;
db.Entry(toDelete).State = EntityState.Deleted;
var toAdd = db.Add(
new Blog
{
Name = "Blog to Insert",
George = true,
TheGu = new Guid("0456AEF1-B7FC-47AA-8102-975D6BA3A9BF"),
NotFigTime = new DateTime(1973, 9, 3, 0, 10, 33, 777),
ToEat = 64,
OrNothing = 0.123456789,
Fuse = 777,
WayRound = 9876543210,
Away = 0.12345f,
AndChew = new byte[16]
}).Entity;
await db.SaveChangesAsync();
var addedId = toAdd.Id;
Assert.NotEqual(0, addedId);
Assert.Equal(EntityState.Unchanged, db.Entry(toUpdate).State);
Assert.Equal(EntityState.Unchanged, db.Entry(toAdd).State);
Assert.DoesNotContain(toDelete, db.ChangeTracker.Entries().Select(e => e.Entity));
Assert.Equal(5, Fixture.TestSqlLoggerFactory.SqlStatements.Count);
Assert.Contains("SELECT", Fixture.TestSqlLoggerFactory.SqlStatements[0]);
Assert.Contains("SELECT", Fixture.TestSqlLoggerFactory.SqlStatements[1]);
Assert.Contains("@p0='" + deletedId, Fixture.TestSqlLoggerFactory.SqlStatements[2]);
Assert.Contains("DELETE", Fixture.TestSqlLoggerFactory.SqlStatements[2]);
Assert.Contains("UPDATE", Fixture.TestSqlLoggerFactory.SqlStatements[3]);
Assert.Contains("INSERT", Fixture.TestSqlLoggerFactory.SqlStatements[4]);
var rows = await testDatabase.ExecuteScalarAsync<int>(
$"SELECT Count(*) FROM `Blog` WHERE Id = {updatedId} AND Name = 'Blog is Updated'");
Assert.Equal(1, rows);
rows = await testDatabase.ExecuteScalarAsync<int>(
$"SELECT Count(*) FROM `Blog` WHERE Id = {deletedId}");
Assert.Equal(0, rows);
rows = await testDatabase.ExecuteScalarAsync<int>(
$"SELECT Count(*) FROM `Blog` WHERE Id = {addedId} AND Name = 'Blog to Insert'");
Assert.Equal(1, rows);
}
}
[ConditionalFact]
public async Task Can_save_changes_in_tracked_entities()
{
using var testDatabase = await JetTestStore.CreateInitializedAsync(DatabaseName);
int updatedId;
int deletedId;
int addedId;
var options = Fixture.CreateOptions(testDatabase);
using (var db = new BloggingContext(options))
{
var blogs = await CreateBlogDatabaseAsync<Blog>(db);
var toAdd = db.Blogs.Add(
new Blog
{
Name = "Blog to Insert",
George = true,
TheGu = new Guid("0456AEF1-B7FC-47AA-8102-975D6BA3A9BF"),
NotFigTime = new DateTime(1973, 9, 3, 0, 10, 33, 777),
ToEat = 64,
OrNothing = 0.123456789,
Fuse = 777,
WayRound = 9876543210,
Away = 0.12345f,
AndChew = new byte[16]
}).Entity;
db.Entry(toAdd).State = EntityState.Detached;
var toUpdate = blogs[0];
toUpdate.Name = "Blog is Updated";
updatedId = toUpdate.Id;
var toDelete = blogs[1];
toDelete.Name = "Blog to delete";
deletedId = toDelete.Id;
db.Remove(toDelete);
db.Entry(toAdd).State = EntityState.Added;
await db.SaveChangesAsync();
addedId = toAdd.Id;
Assert.NotEqual(0, addedId);
Assert.Equal(EntityState.Unchanged, db.Entry(toUpdate).State);
Assert.Equal(EntityState.Unchanged, db.Entry(toAdd).State);
Assert.DoesNotContain(toDelete, db.ChangeTracker.Entries().Select(e => e.Entity));
}
using (var db = new BloggingContext(options))
{
var toUpdate = db.Blogs.Single(b => b.Id == updatedId);
Assert.Equal("Blog is Updated", toUpdate.Name);
Assert.Equal(0, db.Blogs.Count(b => b.Id == deletedId));
Assert.Equal("Blog to Insert", db.Blogs.Single(b => b.Id == addedId).Name);
}
}
[ConditionalFact]
public async Task Can_track_an_entity_with_more_than_10_properties()
{
using var testDatabase = await JetTestStore.CreateInitializedAsync(DatabaseName);
var options = Fixture.CreateOptions(testDatabase);
using (var context = new GameDbContext(options))
{
context.Database.EnsureCreatedResiliently();
context.Characters.Add(
new PlayerCharacter(
new Level { Game = new Game() }));
context.SaveChanges();
}
using (var context = new GameDbContext(options))
{
var character = context.Characters
.Include(c => c.Level.Game)
.OrderBy(c => c.Id)
.First();
Assert.NotNull(character.Game);
Assert.NotNull(character.Level);
Assert.NotNull(character.Level.Game);
}
}
[ConditionalFact]
public async Task Can_replace_identifying_FK_entity_with_many_to_many()
{
using var testDatabase = await JetTestStore.CreateInitializedAsync(DatabaseName);
var options = Fixture.CreateOptions(testDatabase);
using (var context = new SomeDbContext(options))
{
context.Database.EnsureCreatedResiliently();
context.Add(new EntityA { EntityB = new EntityB { EntitiesC = { new EntityC() }, } });
context.SaveChanges();
}
var expectedCId = 0;
using (var context = new SomeDbContext(options))
{
var entityA = context.EntitiesA.Include(x => x.EntityB).ThenInclude(x => x.EntitiesC).OrderBy(x => x.Id).First();
entityA.EntityB = new EntityB { EntitiesC = { new EntityC() } };
context.SaveChanges();
expectedCId = entityA.EntityB.EntitiesC.Single().Id;
}
using (var context = new SomeDbContext(options))
{
var entityA = context.EntitiesA.Include(x => x.EntityB).ThenInclude(x => x.EntitiesC).OrderBy(x => x.Id).First();
Assert.Equal(expectedCId, entityA.EntityB.EntitiesC.Single().Id);
}
}
[ConditionalTheory]
[MemberData(
nameof(DataGenerator.GetCombinations),
new object[] { 0, 1, 2, 3, 4, 7 },
2,
MemberType = typeof(DataGenerator))]
public async Task Can_insert_entities_with_generated_PKs(int studentCount, int courseCount)
{
var students = new Student[]
{
new()
{
FirstMidName = "Carson",
LastName = "Alexander",
EnrollmentDate = DateTime.Parse("2019-09-01")
},
new()
{
FirstMidName = "Meredith",
LastName = "Alonso",
EnrollmentDate = DateTime.Parse("2017-09-01")
},
new()
{
FirstMidName = "Arturo",
LastName = "Anand",
EnrollmentDate = DateTime.Parse("2018-09-01")
},
new()
{
FirstMidName = "Gytis",
LastName = "Barzdukas",
EnrollmentDate = DateTime.Parse("2017-09-01")
},
new()
{
FirstMidName = "Yan",
LastName = "Li",
EnrollmentDate = DateTime.Parse("2017-09-01")
},
new()
{
FirstMidName = "Peggy",
LastName = "Justice",
EnrollmentDate = DateTime.Parse("2016-09-01")
},
new()
{
FirstMidName = "Laura",
LastName = "Norman",
EnrollmentDate = DateTime.Parse("2018-09-01")
},
new()
{
FirstMidName = "Nino",
LastName = "Olivetto",
EnrollmentDate = DateTime.Parse("2019-09-01")
}
};
var courses = new Course[]
{
new() { Title = "Chemistry", Credits = 3 },
new() { Title = "Microeconomics", Credits = 3 },
new() { Title = "Macroeconomics", Credits = 3 },
new() { Title = "Calculus", Credits = 4 },
new() { Title = "Trigonometry", Credits = 4 },
new() { Title = "Composition", Credits = 3 },
new() { Title = "Literature", Credits = 4 }
};
using var testDatabase = await JetTestStore.CreateInitializedAsync(DatabaseName);
var options = Fixture.CreateOptions(testDatabase);
var nextCourse = 0;
using (var context = new UniversityContext(options))
{
context.Database.EnsureCreatedResiliently();
for (var i = 0; i < studentCount; i++)
{
if (courseCount > 1)
{
students[i].Courses.Add(courses[nextCourse++]);
if (nextCourse >= courseCount)
{
nextCourse = 0;
}
students[i].Courses.Add(courses[nextCourse++]);
if (nextCourse >= courseCount)
{
nextCourse = 0;
}
}
context.Students.Add(students[i]);
}
for (var i = 0; i < courseCount; i++)
{
context.Courses.Add(courses[i]);
}
Assert.All(
context.Enrollments.Local, e =>
{
var entry = context.Entry(e);
var student = e.Student;
var course = e.Course;
Assert.Equal(student.Id, e.StudentId);
Assert.Equal(course.Id, e.CourseId);
Assert.Equal(context.Entry(student).Property(e => e.Id).CurrentValue, entry.Property(e => e.StudentId).CurrentValue);
Assert.Equal(context.Entry(course).Property(e => e.Id).CurrentValue, entry.Property(e => e.CourseId).CurrentValue);
//We generate Guid's client side
Assert.False(entry.Property(e => e.StudentId).IsTemporary);
Assert.False(entry.Property(e => e.CourseId).IsTemporary);
Assert.False(context.Entry(student).Property(e => e.Id).IsTemporary);
Assert.False(context.Entry(course).Property(e => e.Id).IsTemporary);
});
context.SaveChanges();
Assert.All(
context.Enrollments.Local, e =>
{
var entry = context.Entry(e);
var student = e.Student;
var course = e.Course;
Assert.Equal(student.Id, e.StudentId);
Assert.Equal(course.Id, e.CourseId);
Assert.False(entry.Property(e => e.StudentId).IsTemporary);
Assert.False(entry.Property(e => e.CourseId).IsTemporary);
});
}
using (var context = new UniversityContext(options))
{
Assert.Equal(studentCount, context.Students.ToList().Count());
Assert.Equal(courseCount, context.Courses.ToList().Count());
var enrollments = context.Enrollments.Include(e => e.Course).Include(e => e.Student).ToList();
Assert.All(
enrollments, e =>
{
var student = e.Student;
var course = e.Course;
Assert.Equal(student.Id, e.StudentId);
Assert.Equal(course.Id, e.CourseId);
});
}
}
public class Course
{
public Guid Id { get; set; }
public string Title { get; set; } = string.Empty;
public int Credits { get; set; }
public virtual ICollection<Enrollment> Enrollments { get; set; } = new List<Enrollment>();
public virtual ICollection<Student> Students { get; set; } = new List<Student>();
public byte[] RowVersion { get; set; } = [];
}
public class Student
{
public Guid Id { get; set; }
public string LastName { get; set; } = string.Empty;
public string FirstMidName { get; set; } = string.Empty;
public DateTime EnrollmentDate { get; set; }
public virtual ICollection<Enrollment> Enrollments { get; } = new List<Enrollment>();
public virtual ICollection<Course> Courses { get; set; } = new List<Course>();
public byte[] RowVersion { get; set; } = [];
}
public enum Grade
{
A, B, C, D, F
}
public class Enrollment
{
public Guid Id { get; set; }
public Guid CourseId { get; set; }
public Guid StudentId { get; set; }
public Grade? Grade { get; set; }
public virtual Course Course { get; set; } = new();
public virtual Student Student { get; set; } = new();
public byte[] RowVersion { get; set; } = [];
}
private class UniversityContext(DbContextOptions options) : DbContext(options)
{
public DbSet<Student> Students { get; set; }
public DbSet<Course> Courses { get; set; }
public DbSet<Enrollment> Enrollments { get; set; }
protected override void OnModelCreating(ModelBuilder modelBuilder)
{
modelBuilder.Entity<Course>(
builder =>
{
builder.ToTable("Courses");
builder.HasKey(x => x.Id);
builder.Property(x => x.Id)
.ValueGeneratedOnAdd()
.HasDefaultValueSql("GenGUID()");
builder.Property(x => x.Title)
.IsRequired()
.HasMaxLength(50);
builder.Property(x => x.RowVersion)
.IsRowVersion();
builder.HasMany(x => x.Students)
.WithMany(x => x.Courses)
.UsingEntity<Enrollment>();
});
modelBuilder.Entity<Student>(
builder =>
{
builder.ToTable("Students");
builder.HasKey(x => x.Id);
builder.Property(x => x.Id)
.ValueGeneratedOnAdd()
.HasDefaultValueSql("GenGUID()");
builder.Property(x => x.LastName)
.IsRequired()
.HasMaxLength(50);
builder.Property(x => x.FirstMidName)
.IsRequired()
.HasMaxLength(50);
builder.Property(x => x.RowVersion)
.IsRowVersion();
});
modelBuilder.Entity<Enrollment>(
builder =>
{
builder.ToTable("Enrollments");
builder.HasKey(x => x.Id);
builder.Property(x => x.Id)
.ValueGeneratedOnAdd()
.HasDefaultValueSql("GenGUID()");
builder.Property(x => x.RowVersion)
.IsRowVersion();
builder.HasOne(t => t.Course)
.WithMany(t => t.Enrollments)
.HasPrincipalKey(d => d.Id)
.HasForeignKey(d => d.CourseId)
.OnDelete(DeleteBehavior.Cascade);
builder.HasOne(t => t.Student)
.WithMany(t => t.Enrollments)
.HasPrincipalKey(d => d.Id)
.HasForeignKey(d => d.StudentId)
.OnDelete(DeleteBehavior.Cascade);
});
}
}
private class EntityA
{
public int Id { get; set; }
public virtual EntityB EntityB { get; set; }
}
private class EntityB
{
public int Id { get; set; }
public virtual EntityA EntityA { get; set; }
public virtual ICollection<EntityC> EntitiesC { get; } = new List<EntityC>();
}
private class EntityC
{
public int Id { get; set; }
public virtual ICollection<EntityB> EntitiesB { get; } = new List<EntityB>();
}
private class SomeDbContext(DbContextOptions options) : DbContext(options)
{
public DbSet<EntityA> EntitiesA { get; set; }
public DbSet<EntityB> EntitiesB { get; set; }
public DbSet<EntityC> EntitiesC { get; set; }
protected override void OnModelCreating(ModelBuilder modelBuilder)
=> modelBuilder
.Entity<EntityA>()
.HasOne(e => e.EntityB)
.WithOne(e => e.EntityA)
.HasForeignKey<EntityB>(e => e.Id);
}
[ConditionalFact]
public async Task Adding_an_item_to_a_collection_marks_it_as_modified()
{
using var testDatabase = await JetTestStore.CreateInitializedAsync(DatabaseName);
var options = Fixture.CreateOptions(testDatabase);
using var context = new GameDbContext(options);
context.Database.EnsureCreatedResiliently();
var player = new PlayerCharacter(
new Level { Game = new Game() });
var weapon = new Item { Id = 1, Game = player.Game };
context.Characters.Add(player);
context.SaveChanges();
player.Items.Add(weapon);
context.ChangeTracker.DetectChanges();
Assert.True(context.Entry(player).Collection(p => p.Items).IsModified);
}
[ConditionalFact]
public async Task Can_set_reference_twice()
{
using var testDatabase = await JetTestStore.CreateInitializedAsync(DatabaseName);
var options = Fixture.CreateOptions(testDatabase);
using (var context = new GameDbContext(options))
{
context.Database.EnsureCreatedResiliently();
var player = new PlayerCharacter(
new Level { Game = new Game() });
var weapon = new Item { Id = 1, Game = player.Game };
player.Items.Add(weapon);
context.Characters.Add(player);
context.SaveChanges();
player.CurrentWeapon = weapon;
context.SaveChanges();
player.CurrentWeapon = null;
context.SaveChanges();
player.CurrentWeapon = weapon;
context.SaveChanges();
}
using (var context = new GameDbContext(options))
{
var player = context.Characters
.Include(c => c.Items)
.ToList().Single();
Assert.Equal(player.Items.Single(), player.CurrentWeapon);
}
}
[ConditionalFact]
public async Task Can_include_on_loaded_entity()
{
using var testDatabase = await JetTestStore.CreateInitializedAsync(DatabaseName);
var options = Fixture.CreateOptions(testDatabase);
using (var context = new GameDbContext(options))
{
context.Database.EnsureCreatedResiliently();
var player = new PlayerCharacter(
new Level { Game = new Game() });
var weapon = new Item { Id = 1, Game = player.Game };
player.Items.Add(weapon);
player.Items.Add(
new Item { Id = 2, Game = player.Game });
context.Characters.Add(player);
context.SaveChanges();
player.CurrentWeapon = weapon;
context.SaveChanges();
}
using (var context = new GameDbContext(options))
{
var player = context.Characters
.Include(p => p.CurrentWeapon)
.Single();
Assert.Equal(1, player.Items.Count);
context.Attach(player);
Assert.Equal(1, player.Items.Count);
context.Levels
.Include(l => l.Actors)
.ThenInclude(a => a.Items)
.Load();
Assert.Equal(2, player.Items.Count);
}
using (var context = new GameDbContext(options))
{
var player = context.Characters
.Include(p => p.CurrentWeapon)
.AsNoTracking()
.Single();
Assert.Equal(0, player.Items.Count);
context.Entry(player.CurrentWeapon).Property("ActorId").CurrentValue = 0;
context.Attach(player);
Assert.Equal(1, player.Items.Count);
context.Levels
.Include(l => l.Actors)
.ThenInclude(a => a.Items)
.Load();
Assert.Equal(2, player.Items.Count);
}
}
public abstract class Actor
{
protected Actor()
{
}
protected Actor(Level level)
{
Level = level;
Game = level.Game;
}
public virtual int Id { get; private set; }
public virtual Level Level { get; set; }
public virtual int GameId { get; private set; }
public virtual Game Game { get; set; }
public virtual ICollection<Item> Items { get; set; } = new HashSet<Item>();
}
public class PlayerCharacter : Actor
{
public PlayerCharacter()
{
}
public PlayerCharacter(Level level)
: base(level)
{
}
public virtual string Name { get; set; }
public virtual int Strength { get; set; }
public virtual int Dexterity { get; set; }
public virtual int Speed { get; set; }
public virtual int Constitution { get; set; }
public virtual int Intelligence { get; set; }
public virtual int Willpower { get; set; }
public virtual int MaxHP { get; set; }
public virtual int HP { get; set; }
public virtual int MaxMP { get; set; }
public virtual int MP { get; set; }
public virtual Item CurrentWeapon { get; set; }
}
public class Level
{
public virtual int Id { get; set; }
public virtual int GameId { get; set; }
public virtual Game Game { get; set; }
public virtual ICollection<Actor> Actors { get; set; } = new HashSet<Actor>();
public virtual ICollection<Item> Items { get; set; } = new HashSet<Item>();
}
public class Item
{
public virtual int Id { get; set; }
public virtual int GameId { get; set; }
public virtual Game Game { get; set; }
public virtual Level Level { get; set; }
public virtual Actor Actor { get; set; }
}
public class Container : Item
{
public virtual ICollection<Item> Items { get; set; } = new HashSet<Item>();
}
public class Game
{
public virtual int Id { get; set; }
public virtual ICollection<Actor> Actors { get; set; } = new HashSet<Actor>();
public virtual ICollection<Level> Levels { get; set; } = new HashSet<Level>();
}
public class GameDbContext(DbContextOptions options) : DbContext(options)
{
public DbSet<Game> Games { get; set; }
public DbSet<Level> Levels { get; set; }
public DbSet<PlayerCharacter> Characters { get; set; }
public DbSet<Item> Items { get; set; }
protected override void OnModelCreating(ModelBuilder modelBuilder)
{
modelBuilder.Entity<Level>(
eb =>
{
eb.Property(g => g.Id)
.ValueGeneratedNever();
eb.HasKey(l => new { l.GameId, l.Id });
});
modelBuilder.Entity<Actor>(
eb =>
{
eb.Property(g => g.Id)
.ValueGeneratedNever();
eb.HasKey(a => new { a.GameId, a.Id });
eb.HasOne(a => a.Level)
.WithMany(l => l.Actors)
.HasForeignKey(nameof(Actor.GameId), "LevelId")
.IsRequired();
eb.HasMany(a => a.Items)
.WithOne(i => i.Actor)
.HasForeignKey(nameof(Item.GameId), "ActorId");
});
modelBuilder.Entity<PlayerCharacter>(
eb =>
{
eb.HasOne(p => p.CurrentWeapon)
.WithOne()
.HasForeignKey<PlayerCharacter>(nameof(PlayerCharacter.GameId), "CurrentWeaponId");
});
modelBuilder.Entity<Item>(
eb =>
{
eb.Property(g => g.Id)
.ValueGeneratedNever();
eb.HasKey(l => new { l.GameId, l.Id });
});
modelBuilder.Entity<Container>(
eb =>
{
eb.HasMany(c => c.Items)
.WithOne()
.HasForeignKey("GameId", "ContainerId");
});
modelBuilder.Entity<Game>(
eb =>
{
eb.Property(g => g.Id)
.ValueGeneratedOnAdd();
eb.HasMany(g => g.Levels)
.WithOne(l => l.Game)
.HasForeignKey(l => l.GameId);
eb.HasMany(g => g.Actors)
.WithOne(a => a.Game)
.HasForeignKey(a => a.GameId)
.OnDelete(DeleteBehavior.Restrict);
});
}
}
[ConditionalFact]
public async Task Tracking_entities_asynchronously_returns_tracked_entities_back()
{
using var testStore = await JetTestStore.GetNorthwindStoreAsync();
using var db = new NorthwindContext(Fixture.CreateOptions(testStore));
var customer = await db.Customers.OrderBy(c => c.CustomerID).FirstOrDefaultAsync();
var trackedCustomerEntry = db.ChangeTracker.Entries().Single();
Assert.Same(trackedCustomerEntry.Entity, customer);
// if references are different this will throw
db.Customers.Remove(customer);
}
[ConditionalFact(Skip = "Jet does not support Schema")] // Issue #931
public async Task Can_save_and_query_with_schema()
{
using var testStore = await JetTestStore.CreateInitializedAsync(DatabaseName);
var options = Fixture.CreateOptions(testStore);
await testStore.ExecuteNonQueryAsync("CREATE SCHEMA Apple");
await testStore.ExecuteNonQueryAsync("CREATE TABLE Apple.Jack (MyKey int)");
await testStore.ExecuteNonQueryAsync("CREATE TABLE Apple.Black (MyKey int)");
using (var context = new SchemaContext(options))
{
await context.AddAsync(
new Jack { MyKey = 1 });
await context.AddAsync(
new Black { MyKey = 2 });
context.SaveChanges();
}
using (var context = new SchemaContext(options))
{
Assert.Equal(1, context.Jacks.Count());
Assert.Equal(1, context.Blacks.Count());
}
}
private class SchemaContext(DbContextOptions options) : DbContext(options)
{
public DbSet<Jack> Jacks { get; set; }
public DbSet<Black> Blacks { get; set; }
protected override void OnModelCreating(ModelBuilder modelBuilder)
{
modelBuilder
.Entity<Jack>()
.ToTable("Jack", "Apple")
.HasKey(e => e.MyKey);
modelBuilder
.Entity<Black>()
.ToTable("Black", "Apple")
.HasKey(e => e.MyKey);
}
}
private class Jack
{
public int MyKey { get; set; }
}
private class Black
{
public int MyKey { get; set; }
}
[ConditionalFact]
public Task Can_round_trip_changes_with_snapshot_change_tracking()
=> RoundTripChanges<Blog>();
[ConditionalFact]
public Task Can_round_trip_changes_with_full_notification_entities()
=> RoundTripChanges<ChangedChangingBlog>();
[ConditionalFact]
public Task Can_round_trip_changes_with_changed_only_notification_entities()
=> RoundTripChanges<ChangedOnlyBlog>();
private async Task RoundTripChanges<TBlog>()
where TBlog : class, IBlog, new()
{
using var testDatabase = await JetTestStore.CreateInitializedAsync(DatabaseName);
var options = Fixture.CreateOptions(testDatabase);
int blog1Id;
int blog2Id;
int blog3Id;
using (var context = new BloggingContext<TBlog>(options))
{
var blogs = await CreateBlogDatabaseAsync<TBlog>(context);
blog1Id = blogs[0].Id;
blog2Id = blogs[1].Id;
Assert.NotEqual(0, blog1Id);
Assert.NotEqual(0, blog2Id);
Assert.NotEqual(blog1Id, blog2Id);
}
using (var context = new BloggingContext<TBlog>(options))
{
var blogs = context.Blogs.ToList();
Assert.Equal(2, blogs.Count);
var blog1 = blogs.Single(b => b.Name == "Blog1");
Assert.Equal(blog1Id, blog1.Id);
Assert.Equal("Blog1", blog1.Name);
Assert.True(blog1.George);
Assert.Equal(new Guid("0456AEF1-B7FC-47AA-8102-975D6BA3A9BF"), blog1.TheGu);
Assert.Equal(new DateTime(1973, 9, 3, 0, 10, 33, 0), blog1.NotFigTime);
Assert.Equal(64, blog1.ToEat);
Assert.Equal(0.123456789, blog1.OrNothing);
Assert.Equal(777, blog1.Fuse);
Assert.Equal(9876543210, blog1.WayRound);
Assert.Equal(0.12345f, blog1.Away);
Assert.Equal(new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 }, blog1.AndChew);
blog1.Name = "New Name";
var blog2 = blogs.Single(b => b.Name == "Blog2");
Assert.Equal(blog2Id, blog2.Id);
blog2.Name = null;
blog2.NotFigTime = new DateTime();
blog2.AndChew = null;
var blog3 = (await context.AddAsync(new TBlog())).Entity;
await context.SaveChangesAsync();
blog3Id = blog3.Id;
Assert.NotEqual(0, blog3Id);
}
using (var context = new BloggingContext<TBlog>(options))
{
var blogs = context.Blogs.ToList();
Assert.Equal(3, blogs.Count);
Assert.Equal("New Name", blogs.Single(b => b.Id == blog1Id).Name);
var blog2 = blogs.Single(b => b.Id == blog2Id);
Assert.Null(blog2.Name);
Assert.Equal(blog2.NotFigTime, new DateTime());
Assert.Null(blog2.AndChew);
var blog3 = blogs.Single(b => b.Id == blog3Id);
Assert.Null(blog3.Name);
Assert.Equal(blog3.NotFigTime, new DateTime());
Assert.Null(blog3.AndChew);
}
}
private static async Task<TBlog[]> CreateBlogDatabaseAsync<TBlog>(DbContext context)
where TBlog : class, IBlog, new()
{
context.Database.EnsureCreatedResiliently();
var blog1 = (await context.AddAsync(
new TBlog
{
Name = "Blog1",
George = true,
TheGu = new Guid("0456AEF1-B7FC-47AA-8102-975D6BA3A9BF"),
NotFigTime = new DateTime(1973, 9, 3, 0, 10, 33, 777),
ToEat = 64,
CupOfChar = 'C',
OrNothing = 0.123456789,
Fuse = 777,
WayRound = 9876543210,
NotToEat = -64,
Away = 0.12345f,
OrULong = 888,
OrUSkint = 8888888,
OrUShort = 888888888888888,
AndChew = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
})).Entity;
var blog2 = (await context.AddAsync(
new TBlog
{
Name = "Blog2",
George = false,
TheGu = new Guid("0456AEF1-B7FC-47AA-8102-975D6BA3A9CF"),
NotFigTime = new DateTime(1973, 9, 3, 0, 10, 33, 778),
ToEat = 65,
CupOfChar = 'D',
OrNothing = 0.987654321,
Fuse = 778,
WayRound = 98765432100,
NotToEat = -64,
Away = 0.12345f,
OrULong = 888,
OrUSkint = 8888888,
OrUShort = 888888888888888,
AndChew = new byte[16]
})).Entity;
await context.SaveChangesAsync();
return [blog1, blog2];
}
private class NorthwindContext(DbContextOptions options) : DbContext(options)
{
public DbSet<Customer> Customers { get; set; }
protected override void OnModelCreating(ModelBuilder modelBuilder)
=> modelBuilder.Entity<Customer>(
b =>
{
b.HasKey(c => c.CustomerID);
b.ToTable("Customers");
});
}
private class Customer
{
public string CustomerID { get; set; }
public string CompanyName { get; set; }
public string Fax { get; set; }
}
private class BloggingContext(DbContextOptions options) : BloggingContext<Blog>(options);
private class Blog : IBlog
{
public int Id { get; set; }
public string Name { get; set; }
public bool George { get; set; }
public Guid TheGu { get; set; }
public DateTime NotFigTime { get; set; }
public byte ToEat { get; set; }
public char CupOfChar { get; set; }
public double OrNothing { get; set; }
public short Fuse { get; set; }
public long WayRound { get; set; }
public sbyte NotToEat { get; set; }
public float Away { get; set; }
public ushort OrULong { get; set; }
public uint OrUSkint { get; set; }
public ulong OrUShort { get; set; }
public byte[] AndChew { get; set; }
}
private class BloggingContext<TBlog>(DbContextOptions options) : DbContext(options)
where TBlog : class, IBlog
{
protected override void OnModelCreating(ModelBuilder modelBuilder)
{
if (typeof(INotifyPropertyChanging).IsAssignableFrom(typeof(TBlog)))
{
modelBuilder.HasChangeTrackingStrategy(ChangeTrackingStrategy.ChangingAndChangedNotifications);
}
else if (typeof(INotifyPropertyChanged).IsAssignableFrom(typeof(TBlog)))
{
modelBuilder.HasChangeTrackingStrategy(ChangeTrackingStrategy.ChangedNotifications);
}
modelBuilder.Entity<TBlog>().ToTable("Blog", "dbo");
}
public DbSet<TBlog> Blogs { get; set; }
}
private interface IBlog
{
int Id { get; set; }
string Name { get; set; }
bool George { get; set; }
Guid TheGu { get; set; }
DateTime NotFigTime { get; set; }
byte ToEat { get; set; }
char CupOfChar { get; set; }
double OrNothing { get; set; }
short Fuse { get; set; }
long WayRound { get; set; }
sbyte NotToEat { get; set; }
float Away { get; set; }
ushort OrULong { get; set; }
uint OrUSkint { get; set; }
ulong OrUShort { get; set; }
byte[] AndChew { get; set; }
}
private class ChangedChangingBlog : INotifyPropertyChanging, INotifyPropertyChanged, IBlog
{
private int _id;
private string _name;
private bool _george;
private Guid _theGu;
private DateTime _notFigTime;
private byte _toEat;
private char _cupOfChar;
private double _orNothing;
private short _fuse;
private long _wayRound;
private sbyte _notToEat;
private float _away;
private ushort _orULong;
private uint _orUSkint;
private ulong _orUShort;
private byte[] _andChew;
public int Id
{
get => _id;
set
{
if (_id != value)
{
NotifyChanging();
_id = value;
NotifyChanged();
}
}
}
public string Name
{
get => _name;
set
{
if (_name != value)
{
NotifyChanging();
_name = value;
NotifyChanged();
}
}
}
public bool George
{
get => _george;
set
{
if (_george != value)
{
NotifyChanging();
_george = value;
NotifyChanged();
}
}
}
public Guid TheGu
{
get => _theGu;
set
{
if (_theGu != value)
{
NotifyChanging();
_theGu = value;
NotifyChanged();
}
}
}
public DateTime NotFigTime
{
get => _notFigTime;
set
{
if (_notFigTime != value)
{
NotifyChanging();
_notFigTime = value;
NotifyChanged();
}
}
}
public byte ToEat
{
get => _toEat;
set
{
if (_toEat != value)
{
NotifyChanging();
_toEat = value;
NotifyChanged();
}
}
}
public char CupOfChar
{
get => _cupOfChar;
set
{
if (_cupOfChar != value)
{
NotifyChanging();
_cupOfChar = value;
NotifyChanged();
}
}
}
public double OrNothing
{
get => _orNothing;
set
{
if (_orNothing != value)
{
NotifyChanging();
_orNothing = value;
NotifyChanged();
}
}
}
public short Fuse
{
get => _fuse;
set
{
if (_fuse != value)
{
NotifyChanging();
_fuse = value;
NotifyChanged();
}
}
}
public long WayRound
{
get => _wayRound;
set
{
if (_wayRound != value)
{
NotifyChanging();
_wayRound = value;
NotifyChanged();
}
}
}
public sbyte NotToEat
{
get => _notToEat;
set
{
if (_notToEat != value)
{
NotifyChanging();
_notToEat = value;
NotifyChanged();
}
}
}
public float Away
{
get => _away;
set
{
if (_away != value)
{
NotifyChanging();
_away = value;
NotifyChanged();
}
}
}
public ushort OrULong
{
get => _orULong;
set
{
if (_orULong != value)
{
NotifyChanging();
_orULong = value;
NotifyChanged();
}
}
}
public uint OrUSkint
{
get => _orUSkint;
set
{
if (_orUSkint != value)
{
NotifyChanging();
_orUSkint = value;
NotifyChanged();
}
}
}
public ulong OrUShort
{
get => _orUShort;
set
{
if (_orUShort != value)
{
NotifyChanging();
_orUShort = value;
NotifyChanged();
}
}
}
public byte[] AndChew
{
get => _andChew;
set
{
if (_andChew != value) // Not a great way to compare byte arrays
{
NotifyChanging();
_andChew = value;
NotifyChanged();
}
}
}
public event PropertyChangingEventHandler PropertyChanging;
public event PropertyChangedEventHandler PropertyChanged;
private void NotifyChanged([CallerMemberName] string propertyName = "")
=> PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
private void NotifyChanging([CallerMemberName] string propertyName = "")
=> PropertyChanging?.Invoke(this, new PropertyChangingEventArgs(propertyName));
}
private class ChangedOnlyBlog : INotifyPropertyChanged, IBlog
{
private int _id;
private string _name;
private bool _george;
private Guid _theGu;
private DateTime _notFigTime;
private byte _toEat;
private char _cupOfChar;
private double _orNothing;
private short _fuse;
private long _wayRound;
private sbyte _notToEat;
private float _away;
private ushort _orULong;
private uint _orUSkint;
private ulong _orUShort;
private byte[] _andChew;
public int Id
{
get => _id;
set
{
if (_id != value)
{
_id = value;
NotifyChanged();
}
}
}
public string Name
{
get => _name;
set
{
if (_name != value)
{
_name = value;
NotifyChanged();
}
}
}
public bool George
{
get => _george;
set
{
if (_george != value)
{
_george = value;
NotifyChanged();
}
}
}
public Guid TheGu
{
get => _theGu;
set
{
if (_theGu != value)
{
_theGu = value;
NotifyChanged();
}
}
}
public DateTime NotFigTime
{
get => _notFigTime;
set
{
if (_notFigTime != value)
{
_notFigTime = value;
NotifyChanged();
}
}
}
public byte ToEat
{
get => _toEat;
set
{
if (_toEat != value)
{
_toEat = value;
NotifyChanged();
}
}
}
public char CupOfChar
{
get => _cupOfChar;
set
{
if (_cupOfChar != value)
{
_cupOfChar = value;
NotifyChanged();
}
}
}
public double OrNothing
{
get => _orNothing;
set
{
if (_orNothing != value)
{
_orNothing = value;
NotifyChanged();
}
}
}
public short Fuse
{
get => _fuse;
set
{
if (_fuse != value)
{
_fuse = value;
NotifyChanged();
}
}
}
public long WayRound
{
get => _wayRound;
set
{
if (_wayRound != value)
{
_wayRound = value;
NotifyChanged();
}
}
}
public sbyte NotToEat
{
get => _notToEat;
set
{
if (_notToEat != value)
{
_notToEat = value;
NotifyChanged();
}
}
}
public float Away
{
get => _away;
set
{
if (_away != value)
{
_away = value;
NotifyChanged();
}
}
}
public ushort OrULong
{
get => _orULong;
set
{
if (_orULong != value)
{
_orULong = value;
NotifyChanged();
}
}
}
public uint OrUSkint
{
get => _orUSkint;
set
{
if (_orUSkint != value)
{
_orUSkint = value;
NotifyChanged();
}
}
}
public ulong OrUShort
{
get => _orUShort;
set
{
if (_orUShort != value)
{
_orUShort = value;
NotifyChanged();
}
}
}
public byte[] AndChew
{
get => _andChew;
set
{
if (_andChew != value) // Not a great way to compare byte arrays
{
_andChew = value;
NotifyChanged();
}
}
}
public event PropertyChangedEventHandler PropertyChanged;
private void NotifyChanged([CallerMemberName] string propertyName = "")
=> PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
}
}
}