public void RequiredAttribute_does_not_set_is_required_for_navigation_to_dependent()
{
var dependentEntityTypeBuilder = CreateInternalEntityTypeBuilder <Dependent>();
var principalEntityTypeBuilder = dependentEntityTypeBuilder.ModelBuilder.Entity(typeof(Principal), ConfigurationSource.Convention);
var relationshipBuilder = dependentEntityTypeBuilder.Relationship(
principalEntityTypeBuilder,
nameof(Dependent.Principal),
nameof(Principal.Dependent),
ConfigurationSource.Convention);
var navigation = principalEntityTypeBuilder.Metadata.FindNavigation(nameof(Principal.Dependent));
Assert.False(relationshipBuilder.Metadata.IsRequired);
relationshipBuilder = new RequiredNavigationAttributeConvention().Apply(relationshipBuilder, navigation);
Assert.False(relationshipBuilder.Metadata.IsRequired);
}
public void RequiredAttribute_overrides_configuration_from_convention_source()
{
var dependentEntityTypeBuilder = CreateInternalEntityTypeBuilder <Post>();
var principalEntityTypeBuilder = dependentEntityTypeBuilder.ModelBuilder.Entity(typeof(Blog), ConfigurationSource.Convention);
var relationshipBuilder = dependentEntityTypeBuilder.Relationship(
principalEntityTypeBuilder,
nameof(Post.Blog),
nameof(Blog.Posts),
ConfigurationSource.Convention);
var navigation = dependentEntityTypeBuilder.Metadata.FindNavigation(nameof(BlogDetails.Blog));
relationshipBuilder.IsRequired(false, ConfigurationSource.Convention);
Assert.False(relationshipBuilder.Metadata.IsRequired);
relationshipBuilder = new RequiredNavigationAttributeConvention().Apply(relationshipBuilder, navigation);
Assert.True(relationshipBuilder.Metadata.IsRequired);
Assert.Contains(principalEntityTypeBuilder.Metadata.GetNavigations(), nav => nav.Name == nameof(Blog.Posts));
Assert.Contains(dependentEntityTypeBuilder.Metadata.GetNavigations(), nav => nav.Name == nameof(Post.Blog));
}