private PropertyRule<TestObject, object> CreateRule(Expression<Func<TestObject, object>> expression)
{
var builder = new RuleBuilder<TestObject, object>(expression);
builder.SetValidator(new NotNullValidator());
return (PropertyRule<TestObject, object>)builder.Single();
}
public void Should_throw_when_property_name_is_null()
{
var builder = new RuleBuilder<Person, int>(x => x.CalculateSalary());
builder.GreaterThan(4);
var ex = typeof(InvalidOperationException).ShouldBeThrownBy(() => builder.Single().Validate(new ValidationContext<Person>(new Person(), new PropertyChain(), new DefaultValidatorSelector())).ToList());
ex.Message.ShouldEqual("Property name could not be automatically determined for expression x => x.CalculateSalary(). Please specify either a custom property name by calling 'WithName'.");
}
public void Nullable_object_with_condition_should_not_throw()
{
var builder = new RuleBuilder<Person, int>(x => x.NullableInt.Value);
builder.GreaterThanOrEqualTo(3).When(x => x.NullableInt != null);
builder.Single().Validate(new ValidationContext<Person>(new Person(), new PropertyChain(), new DefaultValidatorSelector()));
}
public void Result_should_use_custom_property_name_when_no_property_name_can_be_determined()
{
var builder = new RuleBuilder<Person, int>(x => x.CalculateSalary());
builder.GreaterThan(100).WithName("Foo");
var results = builder.Single().Validate(new ValidationContext<Person>(new Person(), new PropertyChain(), new DefaultValidatorSelector()));
results.Single().PropertyName.ShouldEqual("Foo");
}