public async Task ShouldThrowServiceExceptionOnDeleteWhenExceptionOccursAndLogItAsync()
{
// given
Guid randomCourseId = Guid.NewGuid();
Guid inputCourseId = randomCourseId;
var exception = new Exception();
var expectedCourseServiceException =
new CourseServiceException(exception);
this.storageBrokerMock.Setup(broker =>
broker.SelectCourseByIdAsync(inputCourseId))
.ThrowsAsync(exception);
// when
ValueTask <Course> deleteCourseTask =
this.courseService.DeleteCourseAsync(inputCourseId);
// then
await Assert.ThrowsAsync <CourseServiceException>(() =>
deleteCourseTask.AsTask());
this.loggingBrokerMock.Verify(broker =>
broker.LogError(It.Is(SameExceptionAs(expectedCourseServiceException))),
Times.Once);
this.storageBrokerMock.Verify(broker =>
broker.SelectCourseByIdAsync(inputCourseId),
Times.Once);
this.dateTimeBrokerMock.VerifyNoOtherCalls();
this.loggingBrokerMock.VerifyNoOtherCalls();
this.storageBrokerMock.VerifyNoOtherCalls();
}
public void ShouldThrowServiceExceptionOnRetrieveAllWhenExceptionOccursAndLogIt()
{
// given
var exception = new Exception();
var expectedCourseServiceException =
new CourseServiceException(exception);
this.storageBrokerMock.Setup(broker =>
broker.SelectAllCourses())
.Throws(exception);
// when . then
Assert.Throws <CourseServiceException>(() =>
this.courseService.RetrieveAllCourses());
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.dateTimeBrokerMock.VerifyNoOtherCalls();
this.loggingBrokerMock.VerifyNoOtherCalls();
this.storageBrokerMock.VerifyNoOtherCalls();
}
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 CourseServiceException CreateAndLogServiceException(Exception exception)
{
var courseServiceException = new CourseServiceException(exception);
this.loggingBroker.LogError(courseServiceException);
return(courseServiceException);
}
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();
}
public async Task ShouldThrowServiceExceptionOnCreateWhenExceptionOccursAndLogItAsync()
{
// given
DateTimeOffset dateTime = GetRandomDateTime();
Course randomCourse = CreateRandomCourse(dateTime);
Course inputCourse = randomCourse;
inputCourse.UpdatedBy = inputCourse.CreatedBy;
var exception = new Exception();
var expectedCourseServiceException =
new CourseServiceException(exception);
this.dateTimeBrokerMock.Setup(broker =>
broker.GetCurrentDateTime())
.Returns(dateTime);
this.storageBrokerMock.Setup(broker =>
broker.InsertCourseAsync(inputCourse))
.ThrowsAsync(exception);
// when
ValueTask <Course> createCourseTask =
this.courseService.CreateCourseAsync(inputCourse);
// then
await Assert.ThrowsAsync <CourseServiceException>(() =>
createCourseTask.AsTask());
this.loggingBrokerMock.Verify(broker =>
broker.LogError(It.Is(SameExceptionAs(expectedCourseServiceException))),
Times.Once);
this.storageBrokerMock.Verify(broker =>
broker.InsertCourseAsync(inputCourse),
Times.Once);
this.dateTimeBrokerMock.Verify(broker =>
broker.GetCurrentDateTime(),
Times.Once);
this.dateTimeBrokerMock.VerifyNoOtherCalls();
this.loggingBrokerMock.VerifyNoOtherCalls();
this.storageBrokerMock.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();
}