public virtual void Repro3101_coalesce_tracking()
{
CreateDatabase3101();
var loggingFactory = new TestSqlLoggerFactory();
var serviceProvider = new ServiceCollection()
.AddEntityFrameworkSqlServer()
.AddSingleton <ILoggerFactory>(loggingFactory)
.BuildServiceProvider();
using (var ctx = new MyContext3101(serviceProvider))
{
var query = from eVersion in ctx.Entities
join eRoot in ctx.Entities
on eVersion.RootEntityId equals(int?) eRoot.Id
into RootEntities
from eRootJoined in RootEntities.DefaultIfEmpty()
select new { eRootJoined, eVersion, foo = eRootJoined ?? eVersion };
var result = query.ToList();
var foo = ctx.ChangeTracker.Entries().ToList();
Assert.True(ctx.ChangeTracker.Entries().Count() > 0);
}
}
public bool Load(Dictionary <TKey, TEntity> entities)
{
_masterDict.Clear();
RootEntities.Clear();
foreach (var kvp in entities)
{
if (!_masterDict.ContainsKey(kvp.Key))
{
_masterDict.Add(kvp.Key, kvp.Value);
}
if (kvp.Value.Parent == null)
{
RootEntities.Add(kvp.Value);
}
}
// check for loops
var curPath = new List <TKey>();
foreach (var kvp in _masterDict)
{
curPath.Clear();
var curEntity = kvp.Value;
while (curEntity.Parent != null)
{
if (!curPath.Any(x => _keyComparer.Equals(x, curEntity.Key)))
{
curPath.Add(curEntity.Key);
curEntity = curEntity.Parent;
continue;
}
Logger?.Error("Loop detected for entity '{0}' (key: {1}) at '{2}' (key: {3})",
new object[]
{
kvp.Value.DisplayName, kvp.Key, curEntity.DisplayName, curEntity.Key
});
return(false);
}
}
return(true);
}
public virtual void Repro3101_simple_coalesce1()
{
using (CreateScratch <MyContext3101>(Seed3101))
{
using (var ctx = new MyContext3101())
{
var query = from eVersion in ctx.Entities
join eRoot in ctx.Entities.Include(e => e.Children).AsNoTracking()
on eVersion.RootEntityId equals(int?) eRoot.Id
into RootEntities
from eRootJoined in RootEntities.DefaultIfEmpty()
select eRootJoined ?? eVersion;
var result = query.ToList();
}
}
}
public virtual void Repro3101_conditional()
{
using (CreateScratch <MyContext3101>(Seed3101))
{
using (var ctx = new MyContext3101())
{
var query = from eVersion in ctx.Entities.Include(e => e.Children)
join eRoot in ctx.Entities
on eVersion.RootEntityId equals(int?) eRoot.Id
into RootEntities
from eRootJoined in RootEntities.DefaultIfEmpty()
select eRootJoined != null ? eRootJoined : eVersion;
var result = query.ToList();
Assert.True(result.All(e => e.Children.Count > 0));
}
}
}
public virtual void Repro3101_nested_coalesce2()
{
using (CreateScratch <MyContext3101>(Seed3101))
{
using (var ctx = new MyContext3101())
{
var query = from eVersion in ctx.Entities.Include(e => e.Children)
join eRoot in ctx.Entities
on eVersion.RootEntityId equals(int?) eRoot.Id
into RootEntities
from eRootJoined in RootEntities.DefaultIfEmpty()
select new { One = eRootJoined, Two = 2, Coalesce = eRootJoined ?? (eVersion ?? eRootJoined) };
var result = query.ToList();
Assert.True(result.All(e => e.Coalesce.Children.Count > 0));
}
}
}
public virtual void Repro3101_complex_coalesce2()
{
using (CreateScratch <MyContext3101>(Seed3101))
{
using (var ctx = new MyContext3101())
{
var query = from eVersion in ctx.Entities
join eRoot in ctx.Entities.Include(e => e.Children)
on eVersion.RootEntityId equals(int?) eRoot.Id
into RootEntities
from eRootJoined in RootEntities.DefaultIfEmpty()
select new { Root = eRootJoined, Coalesce = eRootJoined ?? eVersion };
var result = query.ToList();
Assert.Equal(2, result.Count(e => e.Coalesce.Children.Count > 0));
}
}
}
public virtual void Repro3101_coalesce_tracking()
{
using (CreateScratch <MyContext3101>(Seed3101))
{
using (var ctx = new MyContext3101())
{
var query = from eVersion in ctx.Entities
join eRoot in ctx.Entities
on eVersion.RootEntityId equals(int?) eRoot.Id
into RootEntities
from eRootJoined in RootEntities.DefaultIfEmpty()
select new { eRootJoined, eVersion, foo = eRootJoined ?? eVersion };
var result = query.ToList();
Assert.True(ctx.ChangeTracker.Entries().Any());
}
}
}
public virtual void Repro3101_conditional()
{
CreateDatabase3101();
var loggingFactory = new TestSqlLoggerFactory();
var serviceProvider = new ServiceCollection()
.AddEntityFrameworkSqlServer()
.AddSingleton <ILoggerFactory>(loggingFactory)
.BuildServiceProvider();
using (var ctx = new MyContext3101(serviceProvider))
{
var query = from eVersion in ctx.Entities.Include(e => e.Children)
join eRoot in ctx.Entities
on eVersion.RootEntityId equals(int?) eRoot.Id
into RootEntities
from eRootJoined in RootEntities.DefaultIfEmpty()
select eRootJoined != null ? eRootJoined : eVersion;
var result = query.ToList();
Assert.True(result.All(e => e.Children.Count > 0));
}
}
public virtual void Repro3101_nested_coalesce1()
{
CreateDatabase3101();
var loggingFactory = new TestSqlLoggerFactory();
var serviceProvider = new ServiceCollection()
.AddEntityFrameworkSqlServer()
.AddSingleton <ILoggerFactory>(loggingFactory)
.BuildServiceProvider();
using (var ctx = new MyContext3101(serviceProvider))
{
var query = from eVersion in ctx.Entities
join eRoot in ctx.Entities.Include(e => e.Children)
on eVersion.RootEntityId equals(int?) eRoot.Id
into RootEntities
from eRootJoined in RootEntities.DefaultIfEmpty()
select new { One = 1, Coalesce = eRootJoined ?? (eVersion ?? eRootJoined) };
var result = query.ToList();
Assert.Equal(2, result.Count(e => e.Coalesce.Children.Count > 0));
}
}
public virtual bool IsEntity(System.Type type)
{
return(RootEntities.Contains(type) || type.GetBaseTypes().Any(t => RootEntities.Contains(t)) || HasDelayedEntityRegistration(type));
}
public override bool IsRootEntity(System.Type type)
{
return(RootEntities.Contains(type));
}
public bool IsDeclaredEntity(System.Type type)
{
return(RootEntities.Contains(type) || HasDelayedEntityRegistration(type));
}
