public void ReadRequestPassedThroughTest()
{
PageReadRequest readRequest = default(PageReadRequest);
Func <PageReadRequest, IObservable <PageReadResult <CollectionModel> > > func = (r) =>
{
readRequest = r;
return(Observable.Return(default(PageReadResult <CollectionModel>)));
};
_pagingController = new ObservablePagingController <CollectionModel>(func);
var offset = 10;
var take = 10;
var read = _pagingController.ReadPage(offset, take);
Assert.Equal(offset, readRequest.Offset);
Assert.Equal(take, readRequest.Take);
}
public void ExceptionPassedAndRetryCorrectlyOccursTest()
{
var exception = new InvalidOperationException();
var exceptionRaised = default(Exception);
var errorRequest = default(PageReadRequest);
var raised = false;
var result = new PageReadResult <CollectionModel>(1, null, null);
Func <PageReadRequest, Exception, IObservable <bool> > exc = (pr, e) =>
{
raised = true;
exceptionRaised = e;
errorRequest = pr;
return(Observable.Return(true));
};
Func <PageReadRequest, IObservable <PageReadResult <CollectionModel> > > func = (r) => this.GetData(r, exception, result);
_pagingController = new ObservablePagingController <CollectionModel>(func, exc);
var offset = 10;
var take = 10;
PageReadResult <CollectionModel> readValue = default(PageReadResult <CollectionModel>);
var read = _pagingController.ReadPage(offset, take).Subscribe(v => readValue = v);
Assert.True(raised);
Assert.Same(exception, exceptionRaised);
Assert.Equal(offset, errorRequest.Offset);
Assert.Equal(take, errorRequest.Take);
Assert.Equal(2, _invokeCount);
Assert.Same(result, readValue);
}
public void RequestsLargerThanMaxSizeAreTrimmedTest()
{
const int maxPageSize = 5;
PageReadRequest readRequest = default(PageReadRequest);
Func <PageReadRequest, IObservable <PageReadResult <CollectionModel> > > func = (r) =>
{
readRequest = r;
return(Observable.Return(default(PageReadResult <CollectionModel>)));
};
_pagingController = new ObservablePagingController <CollectionModel>(func, maxPageSize: maxPageSize);
var offset = 10;
var take = 10;
var read = _pagingController.ReadPage(offset, take);
Assert.Equal(offset, readRequest.Offset);
Assert.Equal(maxPageSize, readRequest.Take);
}
public void ExceptionPassedToExceptionHandlerTest()
{
var exception = new InvalidOperationException();
var readResult = new Subject <PageReadResult <CollectionModel> >();
readResult.OnError(exception);
Func <PageReadRequest, IObservable <PageReadResult <CollectionModel> > > func = (r) => readResult;
var exceptionRaised = default(Exception);
var errorRequest = default(PageReadRequest);
var raised = false;
Func <PageReadRequest, Exception, IObservable <bool> > exc = (pr, e) =>
{
raised = true;
exceptionRaised = e;
errorRequest = pr;
return(Observable.Return(false));
};
_pagingController = new ObservablePagingController <CollectionModel>(func, exc);
var offset = 10;
var take = 10;
PageReadResult <CollectionModel> readValue = default(PageReadResult <CollectionModel>);
var read = _pagingController.ReadPage(offset, take).Subscribe(v => readValue = v);
Assert.True(raised);
Assert.Same(exception, exceptionRaised);
Assert.Equal(offset, errorRequest.Offset);
Assert.Equal(take, errorRequest.Take);
}
