public async Task Fetch_NthPage_Succeeds()
{
var fixture = new Fixture();
var type = fixture.Create <string>();
var path = fixture.Create <string>();
var pageSize = fixture.Create <int>();
var page = fixture.Create <int>();
var total = fixture.Create <int>();
var agentCollection = fixture.Create <AgentCollection>();
var agentCollectionResult = Result.Ok(agentCollection);
var responseMessage = Result.Ok(new HttpResponseMessage());
var validationResult = Result.Ok();
var query = new ListingFetcherQuery(type, path, pageSize);
var queryString = query.ToString(page);
_jsonApiGetRequest.Setup(z => z.Execute(HttpClientNames.Funda, _apiKey, queryString)).ReturnsAsync(responseMessage);
_httpResponseMessageJsonParser.Setup(z => z.Parse <AgentCollection>(responseMessage)).ReturnsAsync(agentCollectionResult);
_agentCollectionResultValidator.Setup(z => z.Validate(agentCollectionResult, total, page)).Returns(validationResult);
var result = await _listingFetcher.Fetch(query, page, total);
_jsonApiGetRequest.Verify(z => z.Execute(HttpClientNames.Funda, _apiKey, queryString), Times.Once);
_httpResponseMessageJsonParser.Verify(z => z.Parse <AgentCollection>(responseMessage), Times.Once);
_agentCollectionResultValidator.Verify(z => z.Validate(agentCollectionResult, total, page), Times.Once);
result.Should().Be(agentCollectionResult);
}
public async Task <Result <AgentCollection> > Fetch(ListingFetcherQuery query, int page, int total)
{
var fetchingResult = await Fetch(query.ToString(page));
var validationResult = _agentCollectionResultValidator.Validate(fetchingResult, total, page);
if (validationResult.IsFailed)
{
return(validationResult);
}
return(fetchingResult);
}
public void FirstPageQueryToString_ReturnsCorrectQuery()
{
var fixture = new Fixture();
var type = fixture.Create <string>();
var path = fixture.Create <string>();
var pageSize = fixture.Create <int>();
var query = new ListingFetcherQuery(type, path, pageSize);
var expectedResult = $"?type={type}&zo={path}&pagesize={pageSize}";
var result = query.FirstPageQueryToString();
result.Should().BeEquivalentTo(expectedResult);
}
public async Task <Result <ListingCountPerAgent> > GetMostActiveAgents(int count, string type, string filterPath)
{
var query = new ListingFetcherQuery(type, filterPath, ApiConstants.MaxPageSize);
var fetchingResult = await _agentFetcher.Fetch(query);
if (fetchingResult.IsFailed)
{
return(fetchingResult.ToResult());
}
var initialData = fetchingResult.Value;
var pageCount = (int)Math.Ceiling((double)initialData.TotalFound / ApiConstants.MaxPageSize);
var results = await _taskBatcher.BatchExecute(pageCount, (page) => _agentFetcher.Fetch(query, page, initialData.TotalFound));
var parsedResults = _agentCollectionResultParser.Parse(results, initialData.FetchedAgents);
return(parsedResults.GetMostActive(count));
}
public async Task Fetch_FirstPageFetchingFails_ReturnsFailure()
{
var fixture = new Fixture();
var type = fixture.Create <string>();
var path = fixture.Create <string>();
var pageSize = fixture.Create <int>();
var agentCollectionResult = Result.Fail <AgentCollection>("");
var responseMessage = Result.Fail <HttpResponseMessage>("");
var query = new ListingFetcherQuery(type, path, pageSize);
var queryString = query.FirstPageQueryToString();
_jsonApiGetRequest.Setup(z => z.Execute(HttpClientNames.Funda, _apiKey, queryString)).ReturnsAsync(responseMessage);
_httpResponseMessageJsonParser.Setup(z => z.Parse <AgentCollection>(responseMessage)).ReturnsAsync(agentCollectionResult);
var result = await _listingFetcher.Fetch(query);
_jsonApiGetRequest.Verify(z => z.Execute(HttpClientNames.Funda, _apiKey, queryString), Times.Once);
_httpResponseMessageJsonParser.Verify(z => z.Parse <AgentCollection>(responseMessage), Times.Once);
result.IsFailed.Should().BeTrue();
}
public async Task <Result <AgentCollection> > Fetch(ListingFetcherQuery query)
{
return(await Fetch(query.FirstPageQueryToString()));
}
