public IHttpActionResult GetCourses()
{
try
{
List <CourseDTO> courses = catalog.GetAllCourses().ToList();
return(Ok(courses));
}
catch (ArgumentNullException ex)
{
var message = $"Courses collection is empty. {ex.Message}";
return(BadRequest(message));
}
catch (Exception ex)
{
return(BadRequest(ex.Message));
}
}
public void GetAllCoursesTest()
{
var sut = new CatalogBll(this.catalog.Object, this.converter.Object);
var actual = sut.GetAllCourses();
this.catalog.Verify(
cat => cat.GetAllCourses(),
Times.AtLeastOnce());
Assert.That(actual, Is.All.InstanceOf(typeof(CourseDTO)));
Assert.AreEqual(courses.Count, actual.Count());
}