public async Task ShouldThorwValidationExceptionOnModifyIfTeacherDoesntExistAndLogItAsync()
{
// given
int randomNegativeMinutes = GetNegativeRandomNumber();
DateTimeOffset dateTime = GetRandomDateTime();
Teacher randomTeacher = CreateRandomTeacher(dateTime);
Teacher nonExistentTeacher = randomTeacher;
nonExistentTeacher.CreatedDate = dateTime.AddMinutes(randomNegativeMinutes);
Teacher noTeacher = null;
var notFoundTeacherException = new NotFoundTeacherException(nonExistentTeacher.Id);
var expectedTeacherValidationException =
new TeacherValidationException(notFoundTeacherException);
this.storageBrokerMock.Setup(broker =>
broker.SelectTeacherByIdAsync(nonExistentTeacher.Id))
.ReturnsAsync(noTeacher);
this.dateTimeBrokerMock.Setup(broker =>
broker.GetCurrentDateTime())
.Returns(dateTime);
// when
ValueTask <Teacher> modifyTeacherTask =
this.teacherService.ModifyTeacherAsync(nonExistentTeacher);
// then
await Assert.ThrowsAsync <TeacherValidationException>(() =>
modifyTeacherTask.AsTask());
this.dateTimeBrokerMock.Verify(broker =>
broker.GetCurrentDateTime(),
Times.Once);
this.storageBrokerMock.Verify(broker =>
broker.SelectTeacherByIdAsync(nonExistentTeacher.Id),
Times.Once);
this.loggingBrokerMock.Verify(broker =>
broker.LogError(It.Is(SameExceptionAs(
expectedTeacherValidationException))),
Times.Once);
this.loggingBrokerMock.VerifyNoOtherCalls();
this.storageBrokerMock.VerifyNoOtherCalls();
this.dateTimeBrokerMock.VerifyNoOtherCalls();
}
public async Task ShouldThrowValidatonExceptionOnDeleteWhenStorageTeacherIsInvalidAndLogItAsync()
{
// given
DateTimeOffset dateTime = GetRandomDateTime();
Teacher randomTeacher = CreateRandomTeacher(dateTime);
Guid inputTeacherId = randomTeacher.Id;
Teacher inputTeacher = randomTeacher;
Teacher nullStorageTeacher = null;
var notFoundTeacherException = new NotFoundTeacherException(inputTeacherId);
var expectedTeacherValidationException =
new TeacherValidationException(notFoundTeacherException);
this.storageBrokerMock.Setup(broker =>
broker.SelectTeacherByIdAsync(inputTeacherId))
.ReturnsAsync(nullStorageTeacher);
// when
ValueTask <Teacher> removeTeacherTask =
this.teacherService.RemoveTeacherByIdAsync(inputTeacherId);
// then
await Assert.ThrowsAsync <TeacherValidationException>(() => removeTeacherTask.AsTask());
this.loggingBrokerMock.Verify(broker =>
broker.LogError(It.Is(SameExceptionAs(
expectedTeacherValidationException))),
Times.Once);
this.storageBrokerMock.Verify(broker =>
broker.SelectTeacherByIdAsync(inputTeacherId),
Times.Once);
this.storageBrokerMock.Verify(broker =>
broker.DeleteTeacherAsync(It.IsAny <Teacher>()),
Times.Never);
this.storageBrokerMock.VerifyNoOtherCalls();
this.loggingBrokerMock.VerifyNoOtherCalls();
this.dateTimeBrokerMock.VerifyNoOtherCalls();
}
