public void TestMappingAssignsDefaultValue()
{
var sut = new ComponentCollectionAssociation <Foo, Baz, Bar, Qux>(_ => _.Bazes, _ => _.Quxes);
var foo = new Foo();
var bar = CreateReader(sut)(foo);
bar.Quxes.Should().BeNull();
}
protected IExpandable MapComponentCollections<TSourceItem, TTargetItem>(
Expression<Func<TSource, IEnumerable<TSourceItem>>> source,
Expression<Func<TTarget, IEnumerable<TTargetItem>>> target
)
where TSourceItem : class
where TTargetItem : class, new()
{
var association = new ComponentCollectionAssociation<TSource, TSourceItem, TTarget, TTargetItem>(source, target);
_associations.Add(association);
return association;
}
public void TestEmptyMapsToEmpty()
{
var sut = new ComponentCollectionAssociation <Foo, Baz, Bar, Qux>(_ => _.Bazes, _ => _.Quxes);
var foo = new Foo
{
Bazes = Enumerable.Empty <Baz>()
};
var bar = CreateReader(sut)(foo);
bar.Quxes.Should().NotBeNull();
bar.Quxes.Should().BeEmpty();
}
public void TestMappingCreatesTargetComponent()
{
var sut = new ComponentCollectionAssociation <Foo, Baz, Bar, Qux>(_ => _.Bazes, _ => _.Quxes);
var foo = new Foo
{
Bazes = new[] { new Baz(), new Baz() }
};
var bar = CreateReader(sut)(foo);
bar.Quxes.Should().NotBeNull();
bar.Quxes.Count().Should().Be(foo.Bazes.Count());
}
public void TestReverseMappingDoNothing()
{
var sut = new ComponentCollectionAssociation <Foo, Baz, Bar, Qux>(_ => _.Bazes, _ => _.Quxes);
var foo = new Foo();
var bar = new Bar
{
Quxes = new[] { new Qux(), new Qux() }
};
CreateWriter(sut)(bar, foo);
foo.Bazes.Should().BeNull();
}
public void TestMappingAppliesMapper()
{
var sut = new ComponentCollectionAssociation <Foo, Baz, Bar, Qux>(_ => _.Bazes, _ => _.Quxes);
var component = new PropertyToPropertyAssociation <Baz, Qux, int>(_ => _.Id, _ => _.Id);
var foo = new Foo
{
Bazes = new[] { new Baz {
Id = 1
}, new Baz {
Id = 2
} }
};
var bar = CreateReader(sut, component)(foo);
bar.Quxes.Should().NotBeNull();
bar.Quxes.Should().NotBeEmpty();
bar.Quxes.Select(_ => _.Id).Should().BeEquivalentTo(foo.Bazes.Select(_ => _.Id));
}
