public CourseUpdater(
ICoursePageHtmlDownloader downloader,
ICoursePageHtmlParser parser,
ICourseSetComparer comparer,
ICourseRepository repository,
IUnitOfWork unitOfWork,
IDateTimeUtility dateTime,
IPreferencesUtility preferences
)
{
_downloader = downloader;
_parser = parser;
_comparer = comparer;
_repository = repository;
_unitOfWork = unitOfWork;
_dateTime = dateTime;
_preferences = preferences;
}
private static CourseUpdater CreateCourseUpdater(
ICoursePageHtmlDownloader downloader = null,
ICoursePageHtmlParser parser = null,
ICourseSetComparer comparer = null,
ICourseRepository repository = null,
IUnitOfWork unitOfWork = null,
IDateTimeUtility dateTime = null,
IPreferencesUtility preferences = null
)
{
if (downloader == null)
{
downloader = Substitute.For <ICoursePageHtmlDownloader>();
downloader.TryDownloadCoursePageHtmlAsync(Arg.Any <string>())
.Returns(Task.FromResult(Result.WithSuccess <string>()));
}
if (parser == null)
{
parser = Substitute.For <ICoursePageHtmlParser>();
parser.TryParseCoursePage(Arg.Any <string>())
.Returns(Result.WithSuccess(new RawCourse[0]));
}
if (repository == null)
{
repository = Substitute.For <ICourseRepository>();
repository.All().Returns(new Course[0]);
}
if (unitOfWork == null)
{
unitOfWork = Substitute.For <IUnitOfWork>();
var session = Substitute.For <IUnitOfWorkSession>();
unitOfWork.OpenSession().Returns(session);
session.Commit().Returns(Result.Success);
}
if (dateTime == null)
{
dateTime = Substitute.For <IDateTimeUtility>();
dateTime.UtcNow.Returns(DateTime.UtcNow);
}
comparer = comparer ?? new CourseSetComparer();
preferences = preferences ?? Substitute.For <IPreferencesUtility>();
return(new CourseUpdater(
downloader,
parser,
comparer,
repository,
unitOfWork,
dateTime,
preferences
));
}