public void ShouldThrowServiceExceptionOnRetrieveAllWhenExceptionOccursAndLogIt()
{
// given
var exception = new Exception();
var expectedTeacherServiceException =
new TeacherServiceException(exception);
this.storageBrokerMock.Setup(broker =>
broker.SelectAllTeachers())
.Throws(exception);
// when . then
Assert.Throws <TeacherServiceException>(() =>
this.teacherService.RetrieveAllTeachers());
this.loggingBrokerMock.Verify(broker =>
broker.LogError(It.Is(SameExceptionAs(expectedTeacherServiceException))),
Times.Once);
this.storageBrokerMock.Verify(broker =>
broker.SelectAllTeachers(),
Times.Once);
this.dateTimeBrokerMock.Verify(broker =>
broker.GetCurrentDateTime(),
Times.Never);
this.dateTimeBrokerMock.VerifyNoOtherCalls();
this.loggingBrokerMock.VerifyNoOtherCalls();
this.storageBrokerMock.VerifyNoOtherCalls();
}
public async Task ShouldThrowServiceExceptionOnRetrieveWhenExceptionOccursAndLogItAsync()
{
// given
Guid randomTeacherId = Guid.NewGuid();
Guid inputTeacherId = randomTeacherId;
var exception = new Exception();
var expectedTeacherServiceException =
new TeacherServiceException(exception);
this.storageBrokerMock.Setup(broker =>
broker.SelectTeacherByIdAsync(inputTeacherId))
.ThrowsAsync(exception);
// when
ValueTask <Teacher> retrieveTeacherTask =
this.teacherService.RetrieveTeacherByIdAsync(inputTeacherId);
// then
await Assert.ThrowsAsync <TeacherServiceException>(() =>
retrieveTeacherTask.AsTask());
this.loggingBrokerMock.Verify(broker =>
broker.LogError(It.Is(SameExceptionAs(expectedTeacherServiceException))),
Times.Once);
this.storageBrokerMock.Verify(broker =>
broker.SelectTeacherByIdAsync(inputTeacherId),
Times.Once);
this.dateTimeBrokerMock.VerifyNoOtherCalls();
this.loggingBrokerMock.VerifyNoOtherCalls();
this.storageBrokerMock.VerifyNoOtherCalls();
}
public async Task ShouldThrowServiceExceptionOnRetrieveAllIfServiceErrorOccursAndLogItAsync()
{
var serviceException = new Exception();
var failedTeacherServiceException =
new FailedTeacherServiceException(serviceException);
var expectedTeacherServiceException =
new TeacherServiceException(failedTeacherServiceException);
this.apiBrokerMock.Setup(broker =>
broker.GetAllTeachersAsync())
.ThrowsAsync(serviceException);
// when
ValueTask <List <Teacher> > retrieveAllTeachersTask =
this.teacherService.RetrieveAllTeachersAsync();
// then
await Assert.ThrowsAsync <TeacherServiceException>(() =>
retrieveAllTeachersTask.AsTask());
this.apiBrokerMock.Verify(broker =>
broker.GetAllTeachersAsync(),
Times.Once);
this.loggingBrokerMock.Verify(broker =>
broker.LogError(It.Is(SameExceptionAs(
expectedTeacherServiceException))),
Times.Once);
this.apiBrokerMock.VerifyNoOtherCalls();
this.loggingBrokerMock.VerifyNoOtherCalls();
}
private TeacherServiceException CreateAndLogServiceException(Exception exception)
{
var teacherServiceException = new TeacherServiceException(exception);
this.loggingBroker.LogError(teacherServiceException);
return(teacherServiceException);
}
public async Task ShouldThrowServiceExceptionOnModifyIfServiceErrorOccursAndLogItAsync()
{
// given
int randomNegativeNumber = GetNegativeRandomNumber();
DateTimeOffset randomDateTime = GetRandomDateTime();
Teacher randomTeacher = CreateRandomTeacher(randomDateTime);
Teacher someTeacher = randomTeacher;
someTeacher.CreatedDate = randomDateTime.AddMinutes(randomNegativeNumber);
var serviceException = new Exception();
var failedTeacherServiceException =
new FailedTeacherServiceException(serviceException);
var expectedTeacherServiceException =
new TeacherServiceException(failedTeacherServiceException);
this.storageBrokerMock.Setup(broker =>
broker.SelectTeacherByIdAsync(It.IsAny <Guid>()))
.ThrowsAsync(serviceException);
this.dateTimeBrokerMock.Setup(broker =>
broker.GetCurrentDateTime())
.Returns(randomDateTime);
// when
ValueTask <Teacher> modifyTeacherTask =
this.teacherService.ModifyTeacherAsync(someTeacher);
// then
await Assert.ThrowsAsync <TeacherServiceException>(() =>
modifyTeacherTask.AsTask());
this.dateTimeBrokerMock.Verify(broker =>
broker.GetCurrentDateTime(),
Times.Once);
this.storageBrokerMock.Verify(broker =>
broker.SelectTeacherByIdAsync(It.IsAny <Guid>()),
Times.Once);
this.loggingBrokerMock.Verify(broker =>
broker.LogError(It.Is(SameExceptionAs(
expectedTeacherServiceException))),
Times.Once);
this.loggingBrokerMock.VerifyNoOtherCalls();
this.storageBrokerMock.VerifyNoOtherCalls();
this.dateTimeBrokerMock.VerifyNoOtherCalls();
}
public static TheoryData DependencyExceptions()
{
var innerException = new Exception();
var teacherServiceDependencyException =
new TeacherDependencyException(innerException);
var teacherServiceException =
new TeacherServiceException(innerException);
return(new TheoryData <Exception>
{
teacherServiceDependencyException,
teacherServiceException
});
}
public async Task ShouldThrowServiceExceptionOnCreateWhenExceptionOccursAndLogItAsync()
{
// given
DateTimeOffset dateTime = GetRandomDateTime();
Teacher randomTeacher = CreateRandomTeacher(dateTime);
Teacher inputTeacher = randomTeacher;
inputTeacher.UpdatedBy = inputTeacher.CreatedBy;
var exception = new Exception();
var expectedTeacherServiceException =
new TeacherServiceException(exception);
this.dateTimeBrokerMock.Setup(broker =>
broker.GetCurrentDateTime())
.Returns(dateTime);
this.storageBrokerMock.Setup(broker =>
broker.InsertTeacherAsync(inputTeacher))
.ThrowsAsync(exception);
// when
ValueTask <Teacher> createTeacherByIdTask =
this.teacherService.CreateTeacherAsync(inputTeacher);
// then
await Assert.ThrowsAsync <TeacherServiceException>(() =>
createTeacherByIdTask.AsTask());
this.loggingBrokerMock.Verify(broker =>
broker.LogError(It.Is(SameExceptionAs(expectedTeacherServiceException))),
Times.Once);
this.storageBrokerMock.Verify(broker =>
broker.InsertTeacherAsync(inputTeacher),
Times.Once);
this.dateTimeBrokerMock.Verify(broker =>
broker.GetCurrentDateTime(),
Times.Once);
this.dateTimeBrokerMock.VerifyNoOtherCalls();
this.loggingBrokerMock.VerifyNoOtherCalls();
this.storageBrokerMock.VerifyNoOtherCalls();
}
public async Task ShouldThrowServiceExceptionOnAddIfServiceErrorOccursAndLogItAsync()
{
// given
Teacher someTeacher = CreateRandomTeacher();
var serviceException = new Exception();
var failedTeacherServiceException =
new FailedTeacherServiceException(serviceException);
var expectedTeacherServiceException =
new TeacherServiceException(failedTeacherServiceException);
this.dateTimeBrokerMock.Setup(broker =>
broker.GetCurrentDateTime())
.Throws(serviceException);
// when
ValueTask <Teacher> addTeacherTask =
this.teacherService.CreateTeacherAsync(someTeacher);
// then
await Assert.ThrowsAsync <TeacherServiceException>(() =>
addTeacherTask.AsTask());
this.dateTimeBrokerMock.Verify(broker =>
broker.GetCurrentDateTime(),
Times.Once);
this.loggingBrokerMock.Verify(broker =>
broker.LogError(It.Is(SameExceptionAs(
expectedTeacherServiceException))),
Times.Once);
this.storageBrokerMock.Verify(broker =>
broker.InsertTeacherAsync(It.IsAny <Teacher>()),
Times.Never);
this.dateTimeBrokerMock.VerifyNoOtherCalls();
this.loggingBrokerMock.VerifyNoOtherCalls();
this.storageBrokerMock.VerifyNoOtherCalls();
}
