public async Task Previous_FirstPage_ReturnsNull()
{
ClientRequestParameters parameters = new ClientRequestParameters()
{
Pagination = new ClientRequestPagination()
{
Page = 1
}
};
ClientResponse <IList <ModelBase> > response = UKFastClientTests.GetListResponse(new List <ModelBase>(), 3);
Paginated <ModelBase> paginated = new Paginated <ModelBase>(null, null, parameters, response);
Paginated <ModelBase> previous = await paginated.Previous();
Assert.IsNull(previous);
}
public async Task Previous_NotFirstPage_ReturnsPreviousPage()
{
ClientResponse <IList <ModelBase> > paginatedResponse = UKFastClientTests.GetListResponse(new List <ModelBase>(), 3);
ClientResponse <IList <ModelBase> > mockResponse = UKFastClientTests.GetListResponse(new List <ModelBase>(), 3);
IUKFastClient client = Substitute.For <IUKFastClient>();
client.GetPaginatedAsync <ModelBase>("testresource", Arg.Any <ClientRequestParameters>()).Returns(x =>
{
return(Task.Run(() => new Paginated <ModelBase>(client, "testresource", x.ArgAt <ClientRequestParameters>(1), mockResponse)));
});
Paginated <ModelBase> paginated = new Paginated <ModelBase>(client, "testresource", new ClientRequestParameters()
{
Pagination = new ClientRequestPagination()
{
Page = 3
}
}, paginatedResponse);
Paginated <ModelBase> previous = await paginated.Previous();
Assert.AreEqual(2, previous.CurrentPage);
}