/// <summary>
/// Creates a <see cref="DbCollectionEntry{TEntity,TElement}" /> from information in the given
/// <see
/// cref="InternalCollectionEntry" />
/// .
/// Use this method in preference to the constructor since it may potentially create a subclass depending on
/// the type of member represented by the InternalCollectionEntry instance.
/// </summary>
/// <param name="internalCollectionEntry"> The internal collection entry. </param>
/// <returns> The new entry. </returns>
internal static DbCollectionEntry <TEntity, TElement> Create(InternalCollectionEntry internalCollectionEntry)
{
DebugCheck.NotNull(internalCollectionEntry);
// Note that the implementation of this Create method is different than for the other DbMemberEntry classes.
// This is because the DbMemberEntry is defined in terms of the ICollection<TElement> while this class
// is defined in terms of just TElement. This means that we can't just call the CreateDbMemberEntry factory
// method on InternalMemberEntry. Instead we call the special factory method on InternalCollectionEntry.
return(internalCollectionEntry.CreateDbCollectionEntry <TEntity, TElement>());
}
InternalCollectionEntry_gets_current_value_that_is_the_RelatedEnd_if_navigation_property_has_been_removed_from_entity()
{
var relatedCollection = new EntityCollection<FakeEntity>();
var internalEntry =
new InternalCollectionEntry(
MockHelper.CreateMockInternalEntityEntry(new FakeEntity(), entityCollection: relatedCollection).Object,
FakeWithProps.CollectionMetadata);
var propValue = internalEntry.CurrentValue;
Assert.Same(relatedCollection, propValue);
}
private void InternalCollectionEntry_sets_current_value_onto_entity_if_property_exists_implementation(bool isDetached)
{
var entity = new FakeWithProps
{
Collection = new List<FakeEntity>()
};
var internalEntry = new InternalCollectionEntry(
MockHelper.CreateMockInternalEntityEntry(
entity, isDetached).Object, FakeWithProps.CollectionMetadata);
var relatedCollection = new List<FakeEntity>();
internalEntry.CurrentValue = relatedCollection;
Assert.Same(relatedCollection, entity.Collection);
}
public void DbMemberEntry_Create_can_be_called_from_multiple_threads()
{
ExecuteInParallel(
() =>
{
var collectionMetadata = new NavigationEntryMetadata(
typeof(FakeWithProps), typeof(FakeEntity), "Collection", isCollection: true);
var internalEntry =
new InternalCollectionEntry(
new Mock <InternalEntityEntryForMock <FakeEntity> >().Object, collectionMetadata);
var entry = internalEntry.CreateDbMemberEntry <FakeWithProps, ICollection <FakeEntity> >();
Assert.IsAssignableFrom <DbMemberEntry <FakeWithProps, ICollection <FakeEntity> > >(entry);
});
}
public void Generic_DbCollectionEntry_Name_returns_name_of_property_from_internal_entry()
{
var internalEntry = new InternalCollectionEntry(
new Mock<InternalEntityEntryForMock<FakeEntity>>().Object, FakeWithProps.CollectionMetadata);
Assert.Equal("Collection", internalEntry.Name);
}
/// <summary>
/// Initializes a new instance of the <see cref="DbCollectionEntry{TEntity, TProperty}" /> class.
/// </summary>
/// <param name="internalCollectionEntry"> The internal entry. </param>
internal DbCollectionEntry(InternalCollectionEntry internalCollectionEntry)
{
DebugCheck.NotNull(internalCollectionEntry);
_internalCollectionEntry = internalCollectionEntry;
}
// <summary>
// Creates a <see cref="DbCollectionEntry" /> from information in the given <see cref="InternalCollectionEntry" />.
// Use this method in preference to the constructor since it may potentially create a subclass depending on
// the type of member represented by the InternalCollectionEntry instance.
// </summary>
// <param name="internalCollectionEntry"> The internal collection entry. </param>
// <returns> The new entry. </returns>
internal static DbCollectionEntry Create(InternalCollectionEntry internalCollectionEntry)
{
DebugCheck.NotNull(internalCollectionEntry);
return((DbCollectionEntry)internalCollectionEntry.CreateDbMemberEntry());
}
InternalCollectionEntry_does_nothing_if_attempting_to_set_the_actual_EntityCollection_as_a_current_value_when_navigation_property_has_been_removed_from_entity
()
{
var relatedCollection = new EntityCollection<FakeEntity>();
var internalEntry =
new InternalCollectionEntry(
MockHelper.CreateMockInternalEntityEntry(new FakeEntity(), entityCollection: relatedCollection).Object,
FakeWithProps.CollectionMetadata);
internalEntry.CurrentValue = relatedCollection; // Test that it doesn't throw
}
public void InternalCollectionEntry_Query_throws_if_used_with_Detached_entity()
{
var mockInternalEntry = MockHelper.CreateMockInternalEntityEntry(
new FakeEntity(), isDetached: true);
var internalEntry = new InternalCollectionEntry(mockInternalEntry.Object, FakeWithProps.CollectionMetadata);
Assert.Equal(
Strings.DbPropertyEntry_NotSupportedForDetached("Query", "Collection", "FakeEntity"),
Assert.Throws<InvalidOperationException>(() => internalEntry.Query()).Message);
}
public void InternalCollectionEntry_throws_setting_current_value_from_detached_entity_if_navigation_property_has_been_removed()
{
var mockInternalEntry = MockHelper.CreateMockInternalEntityEntry(
new FakeEntity(), isDetached: true);
var internalEntry = new InternalCollectionEntry(mockInternalEntry.Object, FakeWithProps.CollectionMetadata);
Assert.Equal(
Strings.DbCollectionEntry_CannotSetCollectionProp("Collection", typeof(FakeEntity).ToString()),
Assert.Throws<NotSupportedException>(() => { internalEntry.CurrentValue = null; }).Message);
}
public void InternalCollectionEntry_Name_works_even_when_used_with_Detached_entity()
{
var mockInternalEntry = MockHelper.CreateMockInternalEntityEntry(
new FakeEntity(), isDetached: true);
var internalEntry = new InternalCollectionEntry(mockInternalEntry.Object, FakeWithProps.CollectionMetadata);
Assert.Equal("Collection", internalEntry.Name);
}
public void InternalCollectionEntry_throws_getting_current_value_from_detached_entity_if_navigation_property_has_been_removed()
{
var mockInternalEntry = MockHelper.CreateMockInternalEntityEntry(
new FakeEntity(), isDetached: true);
var internalEntry = new InternalCollectionEntry(mockInternalEntry.Object, FakeWithProps.CollectionMetadata);
Assert.Equal(
Strings.DbPropertyEntry_NotSupportedForDetached("CurrentValue", "Collection", "FakeEntity"),
Assert.Throws<InvalidOperationException>(() => { var _ = internalEntry.CurrentValue; }).Message);
}
InternalCollectionEntry_throws_when_attempting_to_set_a_new_collection_when_navigation_property_has_been_removed_from_entity
()
{
var internalEntry =
new InternalCollectionEntry(
MockHelper.CreateMockInternalEntityEntry(new FakeEntity(), entityCollection: new EntityCollection<FakeEntity>()).
Object, FakeWithProps.CollectionMetadata);
Assert.Equal(
Strings.DbCollectionEntry_CannotSetCollectionProp("Collection", typeof(FakeEntity).ToString()),
Assert.Throws<NotSupportedException>(() => internalEntry.CurrentValue = new List<FakeEntity>()).Message);
}
internal DbCollectionEntry(InternalCollectionEntry internalCollectionEntry)
{
this._internalCollectionEntry = internalCollectionEntry;
}
internal static DbCollectionEntry Create(
InternalCollectionEntry internalCollectionEntry)
{
return((DbCollectionEntry)internalCollectionEntry.CreateDbMemberEntry());
}
internal static DbCollectionEntry <TEntity, TElement> Create(
InternalCollectionEntry internalCollectionEntry)
{
return(internalCollectionEntry.CreateDbCollectionEntry <TEntity, TElement>());
}