public void Should_BeAnd_When_AndIsCalled()
{
// Arrange
ISpecification <object> spec = new TrueSpecification <object>();
// Act
spec = spec.And(new TrueSpecification <object>());
// Assert
spec.Should().BeOfType <AndSpecification <object> >();
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public Expression <Func <T, bool> > SatisfiedBy()
{
ISpecification <T> filter = new TrueSpecification <T>();
if (_properties == null)
{
return(filter.SatisfiedBy());
}
foreach (var property in _properties.Where(f => !string.IsNullOrWhiteSpace(f.Value)))
{
var propertyInfo = typeof(T).GetProperties().Where(p => p.CanWrite).SingleOrDefault(t => t.Name.ToUpper() == property.Field.ToUpper());
if (propertyInfo == null)
{
throw new ArgumentNullException(nameof(propertyInfo));
}
filter = filter.And(new PropertyContainsOrEqualSpecification <T>(propertyInfo, property.Value));
}
return(filter.SatisfiedBy());
}