public void SameObject()
{
var decorated = new GrouperByTwoFieldsMock();
var secondDecorated = new GrouperByTwoFieldsValidationDecorator(decorated);
Assert.Throws(typeof(ArgumentException), () => { new GrouperByTwoFieldsValidationDecorator(secondDecorated); });
}
public void SameField()
{
var source = GenerateStorage;
var decorated = new GrouperByTwoFieldsMock();
var f1 = "Age";
var f2 = "Age";
var validator = new GrouperByTwoFieldsValidationDecorator(decorated);
Assert.Throws(typeof(GrouperByTwoFieldsException), () => { validator.GroupByTwoFields(source, f1, f2, Aggregation); });
Assert.Equal(0, decorated.CountOfCalling);
}
public void CommonCase()
{
var fields = typeof(Person).GetRuntimeProperties().Where(e => e.CanRead).Select(e => e.Name);
var pairs = from f1 in fields
from f2 in fields
where f2 != f1
select new { f1, f2 };
foreach (var iPair in pairs)
{
var source = GenerateStorage;
var decorated = new GrouperByTwoFieldsMock();
var validator = new GrouperByTwoFieldsValidationDecorator(decorated);
var result = validator.GroupByTwoFields(source, iPair.f1, iPair.f2, Aggregation);
Assert.Equal(decorated.LastReturned, result);
Assert.Equal(1, decorated.CountOfCalling);
}
}