public async Task ShouldThrowServiceExceptionOnRetrieveAllIfServiceErrorOccursAndLogItAsync()
{
// given
var serviceException = new Exception();
var failedCourseServiceExcption =
new FailedCourseServiceException(serviceException);
var expectedCourseServiceException =
new CourseServiceException(failedCourseServiceExcption);
this.apiBrokerMock.Setup(broker =>
broker.GetAllCoursesAsync())
.ThrowsAsync(serviceException);
// when
ValueTask <List <Course> > retrieveAllCoursesTask =
this.courseService.RetrieveAllCoursesAsync();
// then
await Assert.ThrowsAsync <CourseServiceException>(() =>
retrieveAllCoursesTask.AsTask());
this.apiBrokerMock.Verify(broker =>
broker.GetAllCoursesAsync(),
Times.Once);
this.loggingBrokerMock.Verify(broker =>
broker.LogError(It.Is(SameExceptionAs(
expectedCourseServiceException))),
Times.Once);
this.apiBrokerMock.VerifyNoOtherCalls();
this.loggingBrokerMock.VerifyNoOtherCalls();
}
private async ValueTask <Course> TryCatch(ReturningCourseFunction returningCourseFunction)
{
try
{
return(await returningCourseFunction());
}
catch (NullCourseException nullCourseException)
{
throw CreateAndLogValidationException(nullCourseException);
}
catch (InvalidCourseException invalidCourseException)
{
throw CreateAndLogValidationException(invalidCourseException);
}
catch (NotFoundCourseException nullCourseException)
{
throw CreateAndLogValidationException(nullCourseException);
}
catch (SqlException sqlException)
{
throw CreateAndLogCriticalDependencyException(sqlException);
}
catch (DuplicateKeyException duplicateKeyException)
{
var alreadyExistsCourseException =
new AlreadyExistsCourseException(duplicateKeyException);
throw CreateAndLogValidationException(alreadyExistsCourseException);
}
catch (DbUpdateConcurrencyException dbUpdateConcurrencyException)
{
var lockedCourseException = new LockedCourseException(dbUpdateConcurrencyException);
throw CreateAndLogDependencyException(lockedCourseException);
}
catch (DbUpdateException dbUpdateException)
{
throw CreateAndLogDependencyException(dbUpdateException);
}
catch (Exception exception)
{
var failedCourseServiceException =
new FailedCourseServiceException(exception);
throw CreateAndLogServiceException(failedCourseServiceException);
}
}
public async Task ShouldThrowServiceExceptionOnModifyIfServiceExceptionOccursAndLogItAsync()
{
// given
int randomNegativeNumber = GetNegativeRandomNumber();
DateTimeOffset randomDateTime = GetRandomDateTime();
Course randomCourse = CreateRandomCourse(randomDateTime);
Course someCourse = randomCourse;
someCourse.CreatedDate = randomDateTime.AddMinutes(randomNegativeNumber);
var serviceException = new Exception();
var failedCourseServiceException =
new FailedCourseServiceException(serviceException);
var expectedCourseServiceException =
new CourseServiceException(failedCourseServiceException);
this.dateTimeBrokerMock.Setup(broker =>
broker.GetCurrentDateTime())
.Throws(serviceException);
// when
ValueTask <Course> modifyCourseTask =
this.courseService.ModifyCourseAsync(someCourse);
// then
await Assert.ThrowsAsync <CourseServiceException>(() =>
modifyCourseTask.AsTask());
this.dateTimeBrokerMock.Verify(broker =>
broker.GetCurrentDateTime(),
Times.Once);
this.loggingBrokerMock.Verify(broker =>
broker.LogError(It.Is(SameExceptionAs(
expectedCourseServiceException))),
Times.Once);
this.storageBrokerMock.Verify(broker =>
broker.SelectCourseByIdAsync(It.IsAny <Guid>()),
Times.Never);
this.dateTimeBrokerMock.VerifyNoOtherCalls();
this.loggingBrokerMock.VerifyNoOtherCalls();
this.storageBrokerMock.VerifyNoOtherCalls();
}
private IQueryable <Course> TryCatch(ReturningQueryableCourseFunction returningQueryableCourseFunction)
{
try
{
return(returningQueryableCourseFunction());
}
catch (SqlException sqlException)
{
throw CreateAndLogCriticalDependencyException(sqlException);
}
catch (Exception exception)
{
var failedCourseServiceException =
new FailedCourseServiceException(exception);
throw CreateAndLogServiceException(failedCourseServiceException);
}
}
public async Task ShouldThrowServiceExceptionOnCreateWhenExceptionOccursAndLogItAsync()
{
// given
DateTimeOffset dateTime = GetRandomDateTime();
Course someCourse = CreateRandomCourse(dateTime);
someCourse.UpdatedBy = someCourse.CreatedBy;
var serviceException = new Exception();
var failedCourseServiceException =
new FailedCourseServiceException(serviceException);
var expectedCourseServiceException =
new CourseServiceException(failedCourseServiceException);
this.dateTimeBrokerMock.Setup(broker =>
broker.GetCurrentDateTime())
.Throws(serviceException);
// when
ValueTask <Course> createCourseTask =
this.courseService.CreateCourseAsync(someCourse);
// then
await Assert.ThrowsAsync <CourseServiceException>(() =>
createCourseTask.AsTask());
this.dateTimeBrokerMock.Verify(broker =>
broker.GetCurrentDateTime(),
Times.Once);
this.loggingBrokerMock.Verify(broker =>
broker.LogError(It.Is(SameExceptionAs(
expectedCourseServiceException))),
Times.Once);
this.storageBrokerMock.Verify(broker =>
broker.InsertCourseAsync(It.IsAny <Course>()),
Times.Never);
this.dateTimeBrokerMock.VerifyNoOtherCalls();
this.loggingBrokerMock.VerifyNoOtherCalls();
this.storageBrokerMock.VerifyNoOtherCalls();
}
private async ValueTask <List <Course> > TryCatch(ReturningCoursesFunction returningCoursesFunction)
{
try
{
return(await returningCoursesFunction());
}
catch (HttpRequestException httpRequestException)
{
var failedCourseDependencyException =
new FailedCourseDependencyException(httpRequestException);
throw CreateAndLogCriticalDependencyException(failedCourseDependencyException);
}
catch (HttpResponseUrlNotFoundException httpResponseUrlNotFoundException)
{
var failedCourseDependencyException =
new FailedCourseDependencyException(httpResponseUrlNotFoundException);
throw CreateAndLogCriticalDependencyException(failedCourseDependencyException);
}
catch (HttpResponseUnauthorizedException httpResponseUnauthorizedException)
{
var failedCourseDependencyException =
new FailedCourseDependencyException(httpResponseUnauthorizedException);
throw CreateAndLogCriticalDependencyException(failedCourseDependencyException);
}
catch (HttpResponseException httpResponseException)
{
var failedCourseDependencyException =
new FailedCourseDependencyException(httpResponseException);
throw CreateAndLogDependencyException(failedCourseDependencyException);
}
catch (Exception serviceException)
{
var failedCourseServiceException =
new FailedCourseServiceException(serviceException);
throw CreateAndLogServiceException(failedCourseServiceException);
}
}
public void ShouldThrowServiceExceptionOnRetrieveAllWhenExceptionOccursAndLogIt()
{
// given
var serviceException = new Exception();
var failedCourseServiceException =
new FailedCourseServiceException(serviceException);
var expectedCourseServiceException =
new CourseServiceException(failedCourseServiceException);
this.storageBrokerMock.Setup(broker =>
broker.SelectAllCourses())
.Throws(serviceException);
// when
Action retrieveAllCoursesAction = () =>
this.courseService.RetrieveAllCourses();
// then
Assert.Throws <CourseServiceException>(
retrieveAllCoursesAction);
this.loggingBrokerMock.Verify(broker =>
broker.LogError(It.Is(SameExceptionAs(
expectedCourseServiceException))),
Times.Once);
this.storageBrokerMock.Verify(broker =>
broker.SelectAllCourses(),
Times.Once);
this.dateTimeBrokerMock.Verify(broker =>
broker.GetCurrentDateTime(),
Times.Never);
this.storageBrokerMock.VerifyNoOtherCalls();
this.loggingBrokerMock.VerifyNoOtherCalls();
this.dateTimeBrokerMock.VerifyNoOtherCalls();
}
public async Task ShouldThrowServiceExceptionOnRetrieveByIdWhenExceptionOccursAndLogItAsync()
{
// given
Guid someCourseId = Guid.NewGuid();
var serviceException = new Exception();
var failedCourseServiceException =
new FailedCourseServiceException(serviceException);
var expectedCourseServiceException =
new CourseServiceException(failedCourseServiceException);
this.storageBrokerMock.Setup(broker =>
broker.SelectCourseByIdAsync(It.IsAny <Guid>()))
.ThrowsAsync(serviceException);
// when
ValueTask <Course> retrieveByIdCourseTask =
this.courseService.RetrieveCourseByIdAsync(someCourseId);
// then
await Assert.ThrowsAsync <CourseServiceException>(() =>
retrieveByIdCourseTask.AsTask());
this.storageBrokerMock.Verify(broker =>
broker.SelectCourseByIdAsync(It.IsAny <Guid>()),
Times.Once);
this.loggingBrokerMock.Verify(broker =>
broker.LogError(It.Is(SameExceptionAs(
expectedCourseServiceException))),
Times.Once);
this.storageBrokerMock.VerifyNoOtherCalls();
this.loggingBrokerMock.VerifyNoOtherCalls();
this.dateTimeBrokerMock.VerifyNoOtherCalls();
}