public async void ShouldThrowValidationExceptionOnCreateWhenCourseIsNullAndLogItAsync()
{
// given
Course randomCourse = null;
Course nullCourse = randomCourse;
var nullCourseException = new NullCourseException();
var expectedCourseValidationException =
new CourseValidationException(nullCourseException);
// when
ValueTask <Course> createCourseTask =
this.courseService.CreateCourseAsync(nullCourse);
// then
await Assert.ThrowsAsync <CourseValidationException>(() =>
createCourseTask.AsTask());
this.loggingBrokerMock.Verify(broker =>
broker.LogError(It.Is(SameExceptionAs(
expectedCourseValidationException))),
Times.Once);
this.storageBrokerMock.Verify(broker =>
broker.SelectCourseByIdAsync(It.IsAny <Guid>()),
Times.Never);
this.loggingBrokerMock.VerifyNoOtherCalls();
this.storageBrokerMock.VerifyNoOtherCalls();
this.dateTimeBrokerMock.VerifyNoOtherCalls();
}
public async Task ShouldThrowValidationExceptionOnModifyWhenCourseIsNullAndLogItAsync()
{
//given
Course invalidCourse = null;
var nullCourseException = new NullCourseException();
var expectedCourseValidationException =
new CourseValidationException(nullCourseException);
//when
ValueTask <Course> modifyCourseTask =
this.courseService.ModifyCourseAsync(invalidCourse);
//then
await Assert.ThrowsAsync <CourseValidationException>(() =>
modifyCourseTask.AsTask());
this.loggingBrokerMock.Verify(broker =>
broker.LogError(It.Is(SameExceptionAs(expectedCourseValidationException))),
Times.Once);
this.loggingBrokerMock.VerifyNoOtherCalls();
this.storageBrokerMock.VerifyNoOtherCalls();
this.dateTimeBrokerMock.VerifyNoOtherCalls();
}
