public void ReturnCorrectPlaytime_WhenParamsAreValid()
{
// Arrange
var options = Utils.GetOptions(nameof(ReturnCorrectPlaytime_WhenParamsAreValid));
Track firstTrack = new Track()
{
Id = 5,
ArtistId = 1,
TrackDuration = 218
};
Track secondTrack = new Track()
{
Id = 6,
ArtistId = 1,
TrackDuration = 257
};
var playlist = new List <Track>()
{
firstTrack, secondTrack
};
var dateTimeProviderMock = new Mock <IDateTimeProvider>();
using (var assertContext = new RidePalDbContext(options))
{
//Act
var sut = new GeneratePlaylistService(assertContext, dateTimeProviderMock.Object);
var result = sut.CalculatePlaytime(playlist);
var expected = 475.0;
//Assert
Assert.AreEqual(result, expected);
}
}
public void ReturnPlaylistWithCorrectPlaytime()
{
// Arrange
var options = Utils.GetOptions(nameof(ReturnPlaylistWithCorrectPlaytime));
Track firstTrack = new Track()
{
Id = 7,
ArtistId = 1,
TrackDuration = 249
};
Track secondTrack = new Track()
{
Id = 8,
ArtistId = 1,
TrackDuration = 272
};
Track thirdTrack = new Track()
{
Id = 9,
ArtistId = 1,
TrackDuration = 262
};
Track fourthTrack = new Track()
{
Id = 10,
ArtistId = 1,
TrackDuration = 246
};
Track fifthTrack = new Track()
{
Id = 11,
ArtistId = 1,
TrackDuration = 218
};
var playlist = new List <Track>()
{
firstTrack, secondTrack, thirdTrack, fourthTrack, fifthTrack
};
double travelDuration = 900.0;
var genrePercentage = new Dictionary <string, int>()
{
{ "rock", 20 },
{ "metal", 20 },
{ "pop", 40 },
{ "jazz", 20 },
};
var dateTimeProviderMock = new Mock <IDateTimeProvider>();
using (var assertContext = new RidePalDbContext(options))
{
//Act
var sut = new GeneratePlaylistService(assertContext, dateTimeProviderMock.Object);
var result = sut.FinetunePlaytime(travelDuration, playlist, genrePercentage).ToList();
var finalPlaytime = sut.CalculatePlaytime(result);
var minPlaytime = travelDuration - 300;
var maxPlaytime = travelDuration + 300;
//Assert
Assert.IsTrue(finalPlaytime > minPlaytime);
Assert.IsTrue(finalPlaytime < maxPlaytime);
}
}
public void ReturnPlaylistWithCorrectPlaytime()
{
// Arrange
var options = Utils.GetOptions(nameof(ReturnPlaylistWithCorrectPlaytime));
Genre rock = new Genre()
{
Id = 30,
Name = "rock"
};
Genre pop = new Genre()
{
Id = 31,
Name = "pop"
};
Track firstTrack = new Track()
{
Id = 17,
ArtistId = 1,
TrackDuration = 249,
GenreId = 30,
Genre = rock
};
Track secondTrack = new Track()
{
Id = 18,
ArtistId = 1,
TrackDuration = 272,
GenreId = 30,
Genre = rock
};
Track thirdTrack = new Track()
{
Id = 19,
ArtistId = 1,
TrackDuration = 262,
GenreId = 30,
Genre = rock
};
Track fourthTrack = new Track()
{
Id = 20,
ArtistId = 1,
TrackDuration = 246,
GenreId = 30,
Genre = rock
};
Track fifthTrack = new Track()
{
Id = 21,
ArtistId = 1,
TrackDuration = 218,
GenreId = 31,
Genre = pop
};
Track sixthTrack = new Track()
{
Id = 22,
ArtistId = 1,
TrackDuration = 252,
GenreId = 31,
Genre = pop
};
Track seventhTrack = new Track()
{
Id = 23,
ArtistId = 1,
TrackDuration = 218,
GenreId = 31,
Genre = pop
};
Track eightTrack = new Track()
{
Id = 24,
ArtistId = 1,
TrackDuration = 252,
GenreId = 31,
Genre = pop
};
using (var arrangeContext = new RidePalDbContext(options))
{
arrangeContext.Genres.Add(rock);
arrangeContext.Genres.Add(pop);
arrangeContext.Tracks.Add(firstTrack);
arrangeContext.Tracks.Add(secondTrack);
arrangeContext.Tracks.Add(thirdTrack);
arrangeContext.Tracks.Add(fourthTrack);
arrangeContext.Tracks.Add(fifthTrack);
arrangeContext.Tracks.Add(sixthTrack);
arrangeContext.Tracks.Add(seventhTrack);
arrangeContext.Tracks.Add(eightTrack);
arrangeContext.SaveChanges();
}
double travelDuration = 660.0;
var genrePercentage = new Dictionary <string, int>()
{
{ "rock", 50 },
{ "metal", 0 },
{ "pop", 50 },
{ "jazz", 0 },
};
var dateTimeProviderMock = new Mock <IDateTimeProvider>();
string genre = "pop";
using (var assertContext = new RidePalDbContext(options))
{
//Act
var sut = new GeneratePlaylistService(assertContext, dateTimeProviderMock.Object);
var result = sut.GetTracks(genre, travelDuration, genrePercentage, true).Result.ToList();
var finalPlaytime = sut.CalculatePlaytime(result);
//Assert
Assert.IsTrue(finalPlaytime >= travelDuration / 2);
Assert.IsTrue(result.Count > 1);
}
}