public void CustomAggregator()
{
CustomAggregatorsBarrier.Run(delegate {
CustomAggregators.RegisterAggregator("comma", typeof(CommaAggregator <>));
var data = new[] {
new Group {
items = new Tuple <int>[] { Tuple.Create(1), Tuple.Create(5) }
},
new Group {
items = new Tuple <int>[] { Tuple.Create(7) }
},
new Group {
items = new Tuple <int>[] { }
}
};
var calculator = new AggregateCalculator <Tuple <int> >(data, new DefaultAccessor <Tuple <int> >(),
new[] { new SummaryInfo {
Selector = "Item1", SummaryType = "comma"
} },
new[] { new SummaryInfo {
Selector = "Item1", SummaryType = "comma"
} }
);
var totals = calculator.Run();
Assert.Equal("1,5,7", totals[0]);
Assert.Equal("1,5", data[0].summary[0]);
Assert.Equal("7", data[1].summary[0]);
Assert.Equal(string.Empty, data[2].summary[0]);
});
}
public void ShouldCreateRegisteredAggregator()
{
CustomAggregatorsBarrier.Run(delegate {
CustomAggregators.RegisterAggregator(AggregateName.SUM, typeof(SumAggregator <>));
var aggregator = CustomAggregators.CreateAggregator(AggregateName.SUM, new DefaultAccessor <int>());
Assert.NotNull(aggregator);
Assert.IsType <SumAggregator <int> >(aggregator);
});
}
public void ShouldSupportMultipleAggregatorRegistrations()
{
CustomAggregatorsBarrier.Run(delegate {
CustomAggregators.RegisterAggregator("any", typeof(SumAggregator <>));
CustomAggregators.RegisterAggregator("any", typeof(MinAggregator <>));
var aggregator = CustomAggregators.CreateAggregator("any", new DefaultAccessor <int>());
Assert.NotNull(aggregator);
Assert.IsType <MinAggregator <int> >(aggregator);
});
}
public void ShouldNotReturnUnexistingAggregator()
{
CustomAggregatorsBarrier.Run(delegate {
Assert.Null(CustomAggregators.CreateAggregator("custom", new DefaultAccessor <int>()));
});
}
