public async Task <CourseInstanceDto> AnswerQuestionAndGetNextQuestion([FromBody] QuestionAnswerDto vm)
{
return(await _courseInstanceService.AnswerQuestionAndGetNextQuestionAsync(vm));
}
public async Task TestStartTest()
{
TestingContext testingContext = new TestingContext();
InitTestingContext(testingContext);
ICourseService courseService = testingContext.GetService <CourseService>();
testingContext.DependencyMap[typeof(ICourseService)] = courseService;
ICourseInstanceService courseInstanceService = testingContext.GetService <CourseInstanceService>();
var courses = await courseService.GetCoursesAsync(0);
int courseId = courses.Data.Select(x => x.Id).First();
//Act
CourseInstanceDto result = await courseInstanceService.StartCourseAsync(courseId);
Assert.True(result.IdCourseInstance > 0);
Assert.True(result.IdCourse == courseId);
Assert.True(result.IdCourseInstanceQuestion > 0);
Assert.True(result.NumQuestionsAlreadyAsked == 0);
Assert.True(result.NumQuestionsTotal > 0);
CourseInstanceDto result2 = await courseInstanceService.NextQuestion(result.IdCourseInstance);
Assert.True(result2.IdCourse == courseId);
Assert.True(result2.IdCourseInstanceQuestion > 0);
Assert.True(result2.NumQuestionsAlreadyAsked == 1);
Assert.True(result2.NumQuestionsTotal > 0);
CourseInstanceDto result3 = await courseInstanceService.NextQuestion(result.IdCourseInstance);
Assert.True(result3.IdCourse == courseId);
Assert.True(result3.IdCourseInstanceQuestion > 0);
Assert.True(result3.NumQuestionsAlreadyAsked == 2);
Assert.True(result3.NumQuestionsTotal > 0);
QuestionToAskDto result4 = await courseInstanceService.GetQuestionToAskAsync(result.IdCourseInstanceQuestion);
Assert.Equal(QuestionType.MultipleChoice, result4.QuestionType);
QuestionAnswerDto answer = new QuestionAnswerDto();
answer.IdCourseInstanceQuestion = result.IdCourseInstanceQuestion;
answer.Answers.Add(false);
answer.Answers.Add(true);
answer.Answers.Add(false);
answer.Answers.Add(true);
QuestionDto result5 = await courseInstanceService.AnswerQuestionAndGetSolutionAsync(answer);
Assert.True(result5.Explanation != null);
Assert.Equal(4, result5.Options.Count);
Assert.True(result5.Options[1].IsTrue);
Assert.True(result5.Options[3].IsTrue);
CourseInstanceDto result6 = await courseInstanceService.AnswerQuestionAndGetNextQuestionAsync(answer);
Assert.True(result6.AnsweredCorrectly);
Assert.True(result6.Done);
Assert.Equal(3, result6.NumQuestionsAlreadyAsked);
Assert.Equal(3, result6.NumQuestionsTotal);
}