public async void AsyncEnumerableDataPipelineWithDependencyInjection()
{
// arrange
var services = new ServiceCollection().AddSingleton <Counter>().AddSingleton <MultiplyPipe>().AddSingleton <ILogger, ILoggerFake>();
var provider = services.BuildServiceProvider();
var engine = new EnginePipelineBuilder <IAsyncEnumerable <int> >()
.AddEngine()
.AddPipe <MultiplyPipe, IAsyncEnumerable <float> >(provider) // 6
.AddPipe(a => a.Select(i => (int)i + 2)) // 8
.AddPipe <MultiplyPipe, IAsyncEnumerable <float> >(provider); // 24
// act
var asyncEnumerable = engine.Flow(new[] { 3, 4, 5 }.ToAsyncEnumerable());
// assert
var e = asyncEnumerable.GetAsyncEnumerator();
await HasNextAsync(e, 24);
await HasNextAsync(e, 90);
await HasNextAsync(e, 224);
await NoNextAsync(e);
var logger = provider.Get <ILogger, ILoggerFake>();
Assert.Equal(logger.Messages.Count, 6);
var rEnumerator = new[] { 234.0f, 462, 806 }.GetEnumerator();
await foreach (var value in asyncEnumerable)
{
Assert.True(rEnumerator.MoveNext());
Assert.Equal(value, rEnumerator.Current);
}
}
public void ObservableDataPipelineRunWithDependencyInjection()
{
// arrange
var services = new ServiceCollection().AddSingleton <Counter>().AddSingleton <MultiplyPipe>().AddSingleton <ObservableEngine>().AddSingleton <ILogger, ILoggerFake>();
var provider = services.BuildServiceProvider();
var engine = new EnginePipelineBuilder <IObservable <int> >()
.AddEngine <ObservableEngine>(provider)
.AddPipe <MultiplyPipe, IObservable <float> >(provider) // 6
.AddPipe(a => a.Select(i => (int)i + 2)) // 8
.AddPipe <MultiplyPipe, IObservable <float> >(provider); // 24
// act
var scheduler = new TestScheduler();
engine.Run(new Context()
{
{ "scheduler", scheduler }
}, o => /*Flow()*/ {
var observer = scheduler.Start(() => o, 0, 0, TimeSpan.FromMilliseconds(2000).Ticks);
var msg = observer.Messages;
// assert
Assert.Equal(msg.Count, 2);
Assert.Equal(msg[0].Value.Value, 24);
Assert.Equal(msg[1].Value.Kind, NotificationKind.OnCompleted);
return(null);
});
}
public void SimpleDataPipelineWithDependencyInjection()
{
var services = new ServiceCollection().AddSingleton <Counter>().AddSingleton <multiplyPipeFromDI>();
var provider = services.BuildServiceProvider();
var engine = new EnginePipelineBuilder <int>()
.AddEngine()
.AddPipe <multiplyPipeFromDI, float>(provider) // 6
.AddPipe(a => (int)a + 2) // 8
.AddPipe <multiplyPipeFromDI, float>(provider); // 24
var r = engine.Flow(3);
Assert.Equal(r, 24, 0);
}
public void SimpleDataPipelineTest()
{
var engine = new EnginePipelineBuilder <int>()
.AddEngine()
.AddPipe((int a) => a + 1)
.AddPipe(new doublePipe())
.AddPipe(i => 3.0 * i)
.AddPipe(new Pipe <double, double>(i => ++ i));
var r = engine.Flow(3);
Assert.Equal(r, 25, 1);
var r1 = engine.Flow(5);
Assert.Equal(r1, 37, 1);
}
public void SimpleDataPipelineWithContextTest()
{
var engine = new EnginePipelineBuilder <int>()
.AddEngine()
.AddPipe((int a, IContext context) => a + 2)
.AddPipe((a, context) =>
{
context[key] = 3;
return(--a);
})
.AddPipe(new multiplePipe())
.AddPipe(i => 3.0 * i)
.AddPipe(new Pipe <double, double>((i, Context) => i + (int)Context[key]));
var r = engine.Flow(3);
Assert.Equal(r, 39, 0);
var r1 = engine.Flow(5, new Context());
Assert.Equal(r1, 57, 0);
}