public void Should_Add_AsNullableRule_When_AsNullable()
{
var builder = new MemberSpecificationBuilder <object, int?>();
var memberSpecification = new MemberSpecification <object, int>(x => x);
builder.AsNullable(memberSpecification);
Assert.Single(builder.Commands);
Assert.IsType <AsNullableRule <object, int> >(builder.Commands.Single());
var command = (AsNullableRule <object, int>)builder.Commands.Single();
Assert.Equal("AsNullable", command.Name);
Assert.Null(command.RuleSingleError);
Assert.Same(memberSpecification, command.MemberSpecification);
}
public void Should_Add_AsNullableRule_When_AsNullable_And_AdvancedSpecification()
{
var builder = new MemberSpecificationBuilder <object, int?>();
Predicate <int> innerPredicate = z => true;
var memberSpecification = new MemberSpecification <object, int>(x => x.Valid(innerPredicate).SetSingleError("single_message"));
builder.AsNullable(memberSpecification);
Assert.Single(builder.Commands);
Assert.IsType <AsNullableRule <object, int> >(builder.Commands.Single());
var command = (AsNullableRule <object, int>)builder.Commands.Single();
Assert.Equal("AsNullable", command.Name);
Assert.Null(command.RuleSingleError);
Assert.Same(memberSpecification, command.MemberSpecification);
Assert.NotNull(command.MemberSpecification);
Assert.Equal("single_message", command.MemberValidator.SingleError.Message);
Assert.Same(innerPredicate, ((ValidRule <int>)command.MemberValidator.Rules.Single()).IsValid);
}
public void Should_ThrowException_When_AsNullable_And_NullMemberSpecification()
{
var builder = new MemberSpecificationBuilder <object, int?>();
Assert.Throws <ArgumentNullException>(() => { builder.AsNullable(null); });
}