public async Task <Result <SurveyModel, Error> > Handle(GetSurveyDetailQuery request, CancellationToken cancellationToken)
{
var cacheKey = $"{request.Id}";
var(isCached, cachedSurvey) = await _cache.TryGetValueAsync(cacheKey, cancellationToken);
if (isCached)
{
return(cachedSurvey);
}
var survey = await _surveyContext.Surveys
.Include(s => s.Options)
.Include(s => s.Owner)
.ProjectTo <SurveyModel>(_mapper.ConfigurationProvider)
.FirstOrDefaultAsync(s => s.Id == request.Id, cancellationToken);
if (survey is null)
{
return(Errors.General.NotFound(nameof(Survey), request.Id));
}
await _cache.SetAsync(cacheKey, survey, 60, cancellationToken);
return(survey);
}
public async Task Handle_Returns_Correct_Type()
{
const int id = 1;
var query = new GetSurveyDetailQuery(id);
var handler = new GetSurveyDetailWithEntityFrameworkQueryHandler(_surveyContext, _mapper, _cache);
var result = await handler.Handle(query, CancellationToken.None);
result.ShouldBeOfType <Result <SurveyModel, Error> >();
}
public async Task Handle_Returns_Error_When_Survey_Id_Does_Not_Exist()
{
const int id = 100;
var query = new GetSurveyDetailQuery(id);
var handler = new GetSurveyDetailWithEntityFrameworkQueryHandler(_surveyContext, _mapper, _cache);
var result = await handler.Handle(query, CancellationToken.None);
result.Error.ShouldBe(Errors.General.NotFound());
}
public async Task GivenExistingSurveyId_WhenCallingHandle_ThenExpectedResultTypeShouldBeReturned()
{
const int id = 1;
var query = new GetSurveyDetailQuery(id);
var handler = new GetSurveyDetailQueryHandler(_surveyContext, _mapper, _cache);
var result = await handler.Handle(query, CancellationToken.None);
result.Should().BeOfType <Result <SurveyModel, Error> >();
}
public async Task GivenSurveyIdWhichDoesNotExist_WhenCallingHandle_ThenResponseShouldIndicateNotFoundError()
{
const int id = 100;
var query = new GetSurveyDetailQuery(id);
var handler = new GetSurveyDetailQueryHandler(_surveyContext, _mapper, _cache);
var result = await handler.Handle(query, CancellationToken.None);
result.Error.Should().Be(Errors.General.NotFound());
}
public async Task Handle_Returns_Correct_Id()
{
const int id = 1;
var query = new GetSurveyDetailQuery(id);
var handler = new GetSurveyDetailWithEntityFrameworkQueryHandler(_surveyContext, _mapper, _cache);
var result = await handler.Handle(query, CancellationToken.None);
var survey = result.Value;
survey.Id.ShouldBe(id);
}
public async Task GivenExistingSurveyId_WhenCallingHandle_ThenReturnedSurveyIdShouldMatchGivenSurveyId()
{
const int id = 1;
var query = new GetSurveyDetailQuery(id);
var handler = new GetSurveyDetailQueryHandler(_surveyContext, _mapper, _cache);
var result = await handler.Handle(query, CancellationToken.None);
var survey = result.Value;
survey.Id.Should().Be(id);
}
public async Task Handle_Returns_Correct_Respondent_Type()
{
const int id = 1;
const string expectedTopicText = "Testers";
var query = new GetSurveyDetailQuery(id);
var handler = new GetSurveyDetailWithEntityFrameworkQueryHandler(_surveyContext, _mapper, _cache);
var result = await handler.Handle(query, CancellationToken.None);
var survey = result.Value;
survey.RespondentType.ShouldBe(expectedTopicText);
}
public async Task Handle_Returns_Correct_Number_Of_Respondents()
{
const int id = 1;
const int expectedNumberOfRespondents = 10;
var query = new GetSurveyDetailQuery(id);
var handler = new GetSurveyDetailWithEntityFrameworkQueryHandler(_surveyContext, _mapper, _cache);
var result = await handler.Handle(query, CancellationToken.None);
var survey = result.Value;
survey.NumberOfRespondents.ShouldBe(expectedNumberOfRespondents);
}
public async Task GivenExistingSurveyId_WhenCallingHandle_ThenReturnedSurveyRespondentTypeShouldMatchExpectedValue()
{
const int id = 1;
const string expectedTopicText = "Testers";
var query = new GetSurveyDetailQuery(id);
var handler = new GetSurveyDetailQueryHandler(_surveyContext, _mapper, _cache);
var result = await handler.Handle(query, CancellationToken.None);
var survey = result.Value;
survey.RespondentType.Should().Be(expectedTopicText);
}
public async Task GivenExistingSurveyId_WhenCallingHandle_ThenReturnedSurveyNumberOfRespondentsShouldMatchExpectedValue()
{
const int id = 1;
const int expectedNumberOfRespondents = 10;
var query = new GetSurveyDetailQuery(id);
var handler = new GetSurveyDetailQueryHandler(_surveyContext, _mapper, _cache);
var result = await handler.Handle(query, CancellationToken.None);
var survey = result.Value;
survey.NumberOfRespondents.Should().Be(expectedNumberOfRespondents);
}