public async Task When_execution_always_succeeds_it_should_try_only_once()
{
var housesPerPage = GenerateHouses();
SearchResultDto Search(int page)
{
return(new SearchResultDto
{
Paging = new PagingDto()
{
CurrentPage = page,
TotalPages = 3
},
Houses = housesPerPage[page]
});
}
var tryCount = 0;
var maxTry = 1;
var result = await SearchExecutor.Run((page) =>
{
tryCount++;
return(Task.FromResult(Search(page)));
},
maxTry,
1,
TimeSpan.FromMilliseconds(5));
Assert.AreEqual(3, tryCount);
Assert.AreEqual(housesPerPage.SelectMany(p => p.Value.Select(h => House.FromDto(h))), result);
}
public async Task When_execution_always_fails_it_should_try_till_max_try_count()
{
var tryCount = 0;
var maxTry = 5;
var result = await SearchExecutor.Run((page) =>
{
tryCount++;
SearchResultDto searchResult = null;
return(Task.FromResult(searchResult));
},
maxTry,
5,
TimeSpan.FromMilliseconds(5));
Assert.AreEqual(maxTry, tryCount);
Assert.IsEmpty(result);
}
public async Task When_execution_fails_it_should_continue_after_sucessful_try()
{
var housesPerPage = GenerateHouses();
var tryCountForFailingPage = 0;
var failCount = 2;
var failingPage = 2;
SearchResultDto Search(int page)
{
if (page == failingPage)
{
tryCountForFailingPage++;
if (tryCountForFailingPage < failCount)
{
return(null);
}
}
return(new SearchResultDto
{
Paging = new PagingDto()
{
CurrentPage = page,
TotalPages = housesPerPage.Count
},
Houses = housesPerPage[page]
});
}
var tryCount = 0;
var maxTry = failCount;
var result = await SearchExecutor.Run((page) =>
{
tryCount++;
return(Task.FromResult(Search(page)));
},
maxTry,
3,
TimeSpan.FromMilliseconds(5));
Assert.AreEqual(housesPerPage.Count + failCount - 1, tryCount);
Assert.AreEqual(housesPerPage.SelectMany(p => p.Value.Select(h => House.FromDto(h))), result);
}