public void Throws_if_required_related_end_is_missing()
{
var entityReferenceMock = MockHelper.CreateMockEntityReference <object>(refreshedValue: null);
var associationType = new AssociationType(
name: "associationName",
namespaceName: "associationNamespace",
foreignKey: false,
dataSpace: DataSpace.CSpace);
entityReferenceMock.Setup(m => m.RelationMetadata).Returns(associationType);
var refType =
new RefType(new EntityType(name: "entityTypeName", namespaceName: "entityTypeNamespace", dataSpace: DataSpace.CSpace));
var toEndMember = new AssociationEndMember(
name: "toEndMember",
endRefType: refType,
multiplicity: RelationshipMultiplicity.One);
entityReferenceMock.Setup(m => m.ToEndMember).Returns(toEndMember);
Assert.Equal(
Strings.EntityReference_LessThanExpectedRelatedEntitiesFound,
Assert.Throws <InvalidOperationException>(
() =>
ExceptionHelpers.UnwrapAggregateExceptions(
() =>
entityReferenceMock.Object.LoadAsync(MergeOption.NoTracking, CancellationToken.None).Wait())).Message);
}
public void FK_association_with_nothing_to_load_and_NoTracking_option_does_nothing()
{
var entityReference = MockHelper.CreateMockEntityReference <object>(refreshedValue: null).Object;
Assert.False(entityReference.IsLoaded);
entityReference.Load(MergeOption.NoTracking);
Assert.True(entityReference.IsLoaded);
}
public void FK_association_with_nothing_to_load_and_AppendOnly_option_does_nothing()
{
var entityReference = MockHelper.CreateMockEntityReference <object>(refreshedValue: null).Object;
Assert.False(entityReference.IsLoaded);
entityReference.LoadAsync(MergeOption.AppendOnly, CancellationToken.None).Wait();
Assert.True(entityReference.IsLoaded);
}
public void Throws_on_multiple_refreshed_values()
{
var entityReferenceMock = MockHelper.CreateMockEntityReference(refreshedValue: new object());
var objectQueryMock = Objects.MockHelper.CreateMockObjectQuery(refreshedValues: new[] { new object(), new object() });
var hasResults = true;
entityReferenceMock.Setup(m => m.ValidateLoad <object>(It.IsAny <MergeOption>(), It.IsAny <string>(), out hasResults))
.Returns(() => objectQueryMock.Object);
Assert.Equal(
Strings.EntityReference_MoreThanExpectedRelatedEntitiesFound,
Assert.Throws <InvalidOperationException>(
() =>
entityReferenceMock.Object.Load(MergeOption.NoTracking)).Message);
}
private void Calls_merge_if_an_entity_is_available(MergeOption mergeOption)
{
var entityReferenceMock = MockHelper.CreateMockEntityReference(refreshedValue: new object());
var timesMergeCalled = 0;
entityReferenceMock.Setup(m => m.Merge(It.IsAny <IEnumerable <object> >(), It.IsAny <MergeOption>(), true))
.Callback(
(IEnumerable <object> collection, MergeOption actualMergeOption, bool setIsLoaded) =>
{
timesMergeCalled++;
Assert.Equal(mergeOption, actualMergeOption);
});
var entityReference = entityReferenceMock.Object;
entityReference.LoadAsync(mergeOption, CancellationToken.None).Wait();
Assert.True(1 == timesMergeCalled, "Expected Merge to be called once for MergeOption." + mergeOption);
}
public void FK_association_with_nothing_to_load_and_PreserveChanges_option_calls_RemoveRelationships()
{
var entityReference = MockHelper.CreateMockEntityReference <object>(refreshedValue: null).Object;
Assert.False(entityReference.IsLoaded);
entityReference.Load(MergeOption.PreserveChanges);
Assert.True(entityReference.IsLoaded);
var objectContext = entityReference.ObjectContext;
var objectStateManagerMock = Mock.Get(objectContext.ObjectStateManager);
objectStateManagerMock.Verify(
m =>
m.RemoveRelationships(
MergeOption.PreserveChanges,
(AssociationSet)entityReference.RelationshipSet,
entityReference.WrappedOwner.EntityKey,
(AssociationEndMember)entityReference.FromEndMember));
}
