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// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.
namespace System.Data.Entity.Infrastructure
{
using System.Data.Entity.Internal;
using System.Data.Entity.ModelConfiguration.Internal.UnitTests;
using System.Data.Entity.Resources;
using System.Threading;
using Moq;
using Xunit;
public class DbReferenceEntryTests
{
[Fact]
public void NonGeneric_DbReferenceEntry_delegates_to_InternalReferenceEntry_correctly()
{
var v = new DbReferenceEntryVerifier();
v.VerifyGetter(e => e.CurrentValue, m => m.CurrentValue);
var currentValue = new object();
v.VerifySetter(e => e.CurrentValue = currentValue, m => m.CurrentValue = currentValue);
v.VerifyGetter(e => e.EntityEntry, m => m.InternalEntityEntry);
v.VerifyGetter(e => e.IsLoaded, m => m.IsLoaded);
v.VerifyGetter(e => e.Name, m => m.Name);
v.VerifyMethod(e => e.GetValidationErrors(), m => m.GetValidationErrors());
v.VerifyMethod(e => e.Load(), m => m.Load());
v.VerifyMethod(e => e.Query(), m => m.Query());
#if !NET40
v.VerifyMethod(e => e.LoadAsync(), m => m.LoadAsync(CancellationToken.None));
v.VerifyMethod(e => e.LoadAsync(CancellationToken.None), m => m.LoadAsync(CancellationToken.None));
#endif
}
[Fact]
public void Generic_DbReferenceEntry_delegates_to_InternalReferenceEntry_correctly()
{
var v = new DbReferenceEntryVerifier();
v.VerifyGetter(e => e.CurrentValue, m => m.CurrentValue);
var currentValue = new object();
v.VerifySetter(e => e.CurrentValue = currentValue, m => m.CurrentValue = currentValue);
v.VerifyGetter(e => e.EntityEntry, m => m.InternalEntityEntry);
v.VerifyGetter(e => e.IsLoaded, m => m.IsLoaded);
v.VerifyGetter(e => e.Name, m => m.Name);
v.VerifyMethod(e => e.GetValidationErrors(), m => m.GetValidationErrors());
v.VerifyMethod(e => e.Load(), m => m.Load());
v.VerifyMethod(e => e.Query(), m => m.Query());
#if !NET40
v.VerifyMethod(e => e.LoadAsync(), m => m.LoadAsync(CancellationToken.None));
v.VerifyMethod(e => e.LoadAsync(CancellationToken.None), m => m.LoadAsync(CancellationToken.None));
#endif
}
public class EntityEntry
{
[Fact]
public void EntityEntity_can_be_obtained_from_generic_DbReferenceEntry_back_reference()
{
var entityEntry = new DbEntityEntry<FakeWithProps>(FakeWithProps.CreateMockInternalEntityEntry().Object);
var backEntry = entityEntry.Reference(e => e.Reference).EntityEntry;
Assert.Same(entityEntry.Entity, backEntry.Entity);
}
[Fact]
public void EntityEntity_can_be_obtained_from_non_generic_DbReferenceEntry_back_reference()
{
var entityEntry = new DbEntityEntry<FakeWithProps>(FakeWithProps.CreateMockInternalEntityEntry().Object);
var backEntry = entityEntry.Reference("Reference").EntityEntry;
Assert.Same(entityEntry.Entity, backEntry.Entity);
}
}
public class Cast
{
[Fact]
public void Non_generic_DbMemberEntry_for_reference_can_be_converted_to_generic_version()
{
var memberEntry = new DbEntityEntry<FakeWithProps>(FakeWithProps.CreateMockInternalEntityEntry().Object).Member("Reference");
var generic = memberEntry.Cast<FakeWithProps, FakeEntity>();
Assert.IsType<DbReferenceEntry<FakeWithProps, FakeEntity>>(generic);
Assert.Same(memberEntry.InternalMemberEntry, generic.InternalMemberEntry);
}
[Fact]
public void Non_generic_DbReferenceEntry_for_reference_can_be_converted_to_generic_version()
{
var memberEntry =
new DbEntityEntry<FakeWithProps>(FakeWithProps.CreateMockInternalEntityEntry().Object).Reference("Reference");
var generic = memberEntry.Cast<FakeWithProps, FakeEntity>();
Assert.IsType<DbReferenceEntry<FakeWithProps, FakeEntity>>(generic);
Assert.Same(memberEntry.InternalMemberEntry, generic.InternalMemberEntry);
}
[Fact]
public void Non_generic_DbMemberEntry_for_reference_can_be_converted_to_generic_version_of_base_entity_type()
{
var memberEntry = new DbEntityEntry<FakeWithProps>(FakeWithProps.CreateMockInternalEntityEntry().Object).Member("Reference");
var generic = memberEntry.Cast<object, FakeEntity>();
Assert.IsType<DbReferenceEntry<object, FakeEntity>>(generic);
Assert.Same(memberEntry.InternalMemberEntry, generic.InternalMemberEntry);
}
[Fact]
public void Non_generic_DbReferenceEntry_for_reference_can_be_converted_to_generic_version_of_base_entity_type()
{
var memberEntry =
new DbEntityEntry<FakeWithProps>(FakeWithProps.CreateMockInternalEntityEntry().Object).Reference("Reference");
var generic = memberEntry.Cast<object, FakeEntity>();
Assert.IsType<DbReferenceEntry<object, FakeEntity>>(generic);
Assert.Same(memberEntry.InternalMemberEntry, generic.InternalMemberEntry);
}
[Fact]
public void Non_generic_DbMemberEntry_for_reference_can_be_converted_to_generic_version_of_base_property_type()
{
var memberEntry = new DbEntityEntry<FakeWithProps>(FakeWithProps.CreateMockInternalEntityEntry().Object).Member("Reference");
var generic = memberEntry.Cast<FakeWithProps, object>();
Assert.IsType<DbReferenceEntry<FakeWithProps, object>>(generic);
Assert.Same(memberEntry.InternalMemberEntry, generic.InternalMemberEntry);
}
[Fact]
public void Non_generic_DbReferenceEntry_for_reference_can_be_converted_to_generic_version_of_base_property_type()
{
var memberEntry =
new DbEntityEntry<FakeWithProps>(FakeWithProps.CreateMockInternalEntityEntry().Object).Reference("Reference");
var generic = memberEntry.Cast<FakeWithProps, object>();
Assert.IsType<DbReferenceEntry<FakeWithProps, object>>(generic);
Assert.Same(memberEntry.InternalMemberEntry, generic.InternalMemberEntry);
}
[Fact]
public void Non_generic_DbMemberEntry_for_reference_cannot_be_converted_to_generic_version_of_derived_entity_type()
{
var memberEntry = new DbEntityEntry<FakeWithProps>(FakeWithProps.CreateMockInternalEntityEntry().Object).Member("Reference");
Assert.Equal(
Strings.DbMember_BadTypeForCast(
typeof(DbMemberEntry).Name, typeof(DerivedFakeWithProps).Name, typeof(FakeEntity).Name, typeof(FakeWithProps).Name,
typeof(FakeEntity).Name),
Assert.Throws<InvalidCastException>(() => memberEntry.Cast<DerivedFakeWithProps, FakeEntity>()).Message);
}
[Fact]
public void Non_generic_DbReferenceEntry_for_reference_cannot_be_converted_to_generic_version_of_derived_entity_type()
{
var memberEntry =
new DbEntityEntry<FakeWithProps>(FakeWithProps.CreateMockInternalEntityEntry().Object).Reference("Reference");
Assert.Equal(
Strings.DbMember_BadTypeForCast(
typeof(DbReferenceEntry).Name, typeof(DerivedFakeWithProps).Name, typeof(FakeEntity).Name,
typeof(FakeWithProps).Name, typeof(FakeEntity).Name),
Assert.Throws<InvalidCastException>(() => memberEntry.Cast<DerivedFakeWithProps, FakeEntity>()).Message);
}
[Fact]
public void Non_generic_DbMemberEntry_for_reference_cannot_be_converted_to_generic_version_of_derived_property_type()
{
var memberEntry = new DbEntityEntry<FakeWithProps>(FakeWithProps.CreateMockInternalEntityEntry().Object).Member("Reference");
Assert.Equal(
Strings.DbMember_BadTypeForCast(
typeof(DbMemberEntry).Name, typeof(FakeWithProps).Name, typeof(FakeDerivedEntity).Name, typeof(FakeWithProps).Name,
typeof(FakeEntity).Name),
Assert.Throws<InvalidCastException>(() => memberEntry.Cast<FakeWithProps, FakeDerivedEntity>()).Message);
}
[Fact]
public void Non_generic_DbReferenceEntry_for_reference_cannot_be_converted_to_generic_version_of_derived_property_type()
{
var memberEntry =
new DbEntityEntry<FakeWithProps>(FakeWithProps.CreateMockInternalEntityEntry().Object).Reference("Reference");
Assert.Equal(
Strings.DbMember_BadTypeForCast(
typeof(DbReferenceEntry).Name, typeof(FakeWithProps).Name, typeof(FakeDerivedEntity).Name,
typeof(FakeWithProps).Name, typeof(FakeEntity).Name),
Assert.Throws<InvalidCastException>(() => memberEntry.Cast<FakeWithProps, FakeDerivedEntity>()).Message);
}
}
public class ImplicitDbReferenceEntry
{
[Fact]
public void Generic_DbReferenceEntry_can_be_implicitly_converted_to_non_generic_version()
{
var propEntry =
new DbReferenceEntry<FakeWithProps, FakeEntity>(
new InternalReferenceEntry(
new Mock<InternalEntityEntryForMock<FakeEntity>>().Object, FakeWithProps.ReferenceMetadata));
NonGenericTestMethod(propEntry, "Reference");
}
private void NonGenericTestMethod(DbReferenceEntry nonGenericEntry, string name)
{
Assert.Same(name, nonGenericEntry.Name);
}
[Fact]
public void Generic_DbReferenceEntry_typed_as_DbMemberEntry_can_be_implicitly_converted_to_non_generic_version()
{
DbMemberEntry<FakeWithProps, FakeEntity> propEntry =
new DbReferenceEntry<FakeWithProps, FakeEntity>(
new InternalReferenceEntry(
new Mock<InternalEntityEntryForMock<FakeEntity>>().Object, FakeWithProps.ReferenceMetadata));
NonGenericTestMethodRefAsMember(propEntry, "Reference");
}
private void NonGenericTestMethodRefAsMember(DbMemberEntry nonGenericEntry, string name)
{
Assert.Same(name, nonGenericEntry.Name);
Assert.IsType<DbReferenceEntry>(nonGenericEntry);
}
[Fact]
public void Generic_DbReferenceEntry_typed_as_DbMemberEntry_can_be_implicitly_converted_to_non_generic_DbReferenceEntry()
{
DbMemberEntry<FakeWithProps, FakeEntity> propEntry =
new DbReferenceEntry<FakeWithProps, FakeEntity>(
new InternalReferenceEntry(
new Mock<InternalEntityEntryForMock<FakeEntity>>().Object, FakeWithProps.ReferenceMetadata));
NonGenericTestMethod((DbReferenceEntry)propEntry, "Reference");
}
[Fact]
public void Generic_DbMemberEntry_for_reference_can_be_converted_to_non_generic_version()
{
var memberEntry =
new DbEntityEntry<FakeWithProps>(FakeWithProps.CreateMockInternalEntityEntry().Object).Member<FakeEntity>("Reference");
var nonGeneric = ImplicitConvert(memberEntry);
Assert.IsType<DbReferenceEntry>(nonGeneric);
Assert.Same(memberEntry.InternalMemberEntry, nonGeneric.InternalMemberEntry);
}
private static DbMemberEntry ImplicitConvert(DbMemberEntry nonGeneric)
{
return nonGeneric;
}
[Fact]
public void Generic_DbReferenceEntry_for_reference_can_be_converted_to_non_generic_version()
{
var memberEntry =
new DbEntityEntry<FakeWithProps>(FakeWithProps.CreateMockInternalEntityEntry().Object).Reference(e => e.Reference);
var nonGeneric = ImplicitConvert(memberEntry);
Assert.IsType<DbReferenceEntry>(nonGeneric);
Assert.Same(memberEntry.InternalMemberEntry, nonGeneric.InternalMemberEntry);
}
private static DbReferenceEntry ImplicitConvert(DbReferenceEntry nonGeneric)
{
return nonGeneric;
}
}
#region Helpers
internal class DbReferenceEntryVerifier : DbMemberEntryVerifier<DbReferenceEntry, InternalReferenceEntry>
{
protected override DbReferenceEntry CreateEntry(InternalReferenceEntry internalEntry)
{
return new DbReferenceEntry(internalEntry);
}
protected override Mock<InternalReferenceEntry> CreateInternalEntryMock()
{
return new Mock<InternalReferenceEntry>(
MockHelper.CreateMockInternalEntityEntry(new object()).Object,
new NavigationEntryMetadataForMock());
}
}
internal class DbReferenceEntryVerifier<TEntity, Tproperty> :
DbMemberEntryVerifier<DbReferenceEntry<TEntity, Tproperty>, InternalReferenceEntry>
where TEntity : class
{
protected override DbReferenceEntry<TEntity, Tproperty> CreateEntry(InternalReferenceEntry internalEntry)
{
return new DbReferenceEntry<TEntity, Tproperty>(internalEntry);
}
protected override Mock<InternalReferenceEntry> CreateInternalEntryMock()
{
return new Mock<InternalReferenceEntry>(
MockHelper.CreateMockInternalEntityEntry(new object()).Object,
new NavigationEntryMetadataForMock());
}
}
#endregion
}
}
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