public async Task GetLiveWeeksFor_WithRecentlyRegisteredUser_ShouldCallLastFmCorrectly()
{
// Arrange
var context = FakeThreeChartsContext.BuildInMemoryContext();
var repo = new ChartRepository(context);
var lastFmMock = new FakeLastFmService();
var chartDateService = new ChartDateService(context);
var service = new ChartService(repo, chartDateService, lastFmMock.Object);
var userRegisterDate = new DateTime(2020, 4, 21);
var endDate = new DateTime(2020, 4, 23, 23, 59, 59);
var now = new DateTime(2020, 4, 22);
var user = new User
{
UserName = "******",
IanaTimezone = "America/Sao_Paulo",
RegisteredAt = userRegisterDate,
};
await context.Users.AddAsync(user);
await context.SaveChangesAsync();
// Act
await service.GetLiveWeekFor(user, now);
// Assert
lastFmMock.Fake
.Verify(lfm => lfm.GetWeeklyTrackChart(
It.Is <string>(s => s == "edxds"),
It.Is <long>(l => l == new DateTimeOffset(userRegisterDate).ToUnixTimeSeconds()),
It.Is <long>(l => l == new DateTimeOffset(endDate).ToUnixTimeSeconds()),
It.IsAny <CancellationToken?>()));
}
public async Task GetStatsForChart_WithMultipleTrackEntries_ReturnsCorrectStats()
{
// Arrange
var lastFmFake = new FakeLastFmService();
var lastFmStub = lastFmFake.Object;
// Represents the tracks that will be returned over time
var tracksList = new List <List <LastFmChartTrack> >
{
new List <LastFmChartTrack>
{
new LastFmChartTrack {
Title = "Cool", Artist = "Dua Lipa", Rank = 1
},
new LastFmChartTrack {
Title = "Pretty Please", Artist = "Dua Lipa", Rank = 2
},
new LastFmChartTrack {
Title = "Hallucinate", Artist = "Dua Lipa", Rank = 3
},
new LastFmChartTrack {
Title = "WANNABE", Artist = "ITZY", Rank = 4
},
},
new List <LastFmChartTrack>
{
new LastFmChartTrack {
Title = "WANNABE", Artist = "ITZY", Rank = 1
},
new LastFmChartTrack {
Title = "Pretty Please", Artist = "Dua Lipa", Rank = 2
},
new LastFmChartTrack {
Title = "Cool", Artist = "Dua Lipa", Rank = 3
},
},
new List <LastFmChartTrack>
{
new LastFmChartTrack {
Title = "WANNABE", Artist = "ITZY", Rank = 1
},
new LastFmChartTrack {
Title = "Pretty Please", Artist = "Dua Lipa", Rank = 2
},
new LastFmChartTrack {
Title = "Hallucinate", Artist = "Dua Lipa", Rank = 3
},
new LastFmChartTrack {
Title = "Cool", Artist = "Dua Lipa", Rank = 4
},
}
};
var context = FakeThreeChartsContext.BuildInMemoryContext();
var chartDateService = new ChartDateService(context);
var repo = new ChartRepository(context);
var chartService = new ChartService(repo, chartDateService, lastFmStub);
// Act
var weeks = new List <ChartWeek>();
for (var i = 0; i < 3; i++)
{
var week = new ChartWeek
{
Owner = new User {
UserName = "******"
}, WeekNumber = i + 1
};
// Set LastFm fake to return correct tracks according to index
lastFmFake.Tracks = tracksList[i];
lastFmFake.SetupFake(); // Updates fake returns
var trackChart = await lastFmStub.GetWeeklyTrackChart("", 0, 0);
var albumChart = await lastFmStub.GetWeeklyAlbumChart("", 0, 0);
var artistChart = await lastFmStub.GetWeeklyArtistChart("", 0, 0);
week.ChartEntries = chartService.CreateEntriesForLastFmCharts(
trackChart.Value,
albumChart.Value,
artistChart.Value,
week
);
weeks.Add(week);
}
var results = weeks
.Select(w => w.ChartEntries)
.Select(entries =>
entries
.Select(entry => chartService.GetStatsForChartEntry(entry, weeks))
.ToList())
.ToList();
// Assert
// All stats on the first week should be .New
results[0].ForEach(r => r.stat.Should().Be(ChartEntryStat.New));
results[1].Should().BeEquivalentTo(
new List <(ChartEntryStat stat, string statText)>()
{
(ChartEntryStat.Increase, "+3"),
(ChartEntryStat.NoDiff, "="),
(ChartEntryStat.Decrease, "-2"),
}
);
results[2].Should().BeEquivalentTo(
new List <(ChartEntryStat stat, string statText)>()
{
(ChartEntryStat.NoDiff, "="),
(ChartEntryStat.NoDiff, "="),
(ChartEntryStat.Reentry, null),
(ChartEntryStat.Decrease, "-1"),
}
);
}
public async Task SyncWeeks_WithGenericUser_SavesWeeksCorrectly()
{
// Arrange
var context = FakeThreeChartsContext.BuildInMemoryContext();
var chartDateService = new ChartDateService(context);
var lastFmFake = new FakeLastFmService();
var lastFmStub = lastFmFake.Object;
lastFmFake.Tracks = new List <LastFmChartTrack>
{
new LastFmChartTrack {
Title = "Cool", Artist = "Dua Lipa", Rank = 1
},
new LastFmChartTrack {
Title = "Pretty Please", Artist = "Dua Lipa", Rank = 2
},
new LastFmChartTrack {
Title = "Hallucinate", Artist = "Dua Lipa", Rank = 3
},
new LastFmChartTrack {
Title = "WANNABE", Artist = "ITZY", Rank = 4
},
};
lastFmFake.SetupFake();
var repo = new ChartRepository(context);
var service = new ChartService(repo, chartDateService, lastFmStub);
var userRegisterDate = new DateTime(2020, 3, 6);
var nowDate = new DateTime(2020, 3, 13);
var user = new User()
{
UserName = "******", RegisteredAt = userRegisterDate
};
await context.Users.AddAsync(user);
await context.SaveChangesAsync();
// Act
await service.SyncWeeks(user, 1, user.RegisteredAt, nowDate, TimeZoneInfo.Utc);
// Assert
var actualWeeks = await context.ChartWeeks
.Where(week => week.OwnerId == user.Id)
.ToListAsync();
actualWeeks.Should().HaveCount(1);
actualWeeks[0].Owner.Should().BeEquivalentTo(user);
actualWeeks[0].From.Should().Be(new DateTime(2020, 3, 6));
actualWeeks[0].To.Should().Be(new DateTime(2020, 3, 12, 23, 59, 59));
actualWeeks[0].ChartEntries.Should().HaveCount(4);
for (var i = 0; i < actualWeeks[0].ChartEntries.Count; i++)
{
// All entries on first week should be new
var entry = actualWeeks[0].ChartEntries[i];
var rank = i + 1;
entry.Rank.Should().Be(rank);
entry.Stat.Should().Be(ChartEntryStat.New);
}
actualWeeks[0].ChartEntries[0].Title.Should().Be("Cool");
actualWeeks[0].ChartEntries[0].Artist.Should().Be("Dua Lipa");
actualWeeks[0].ChartEntries[1].Title.Should().Be("Pretty Please");
actualWeeks[0].ChartEntries[1].Artist.Should().Be("Dua Lipa");
actualWeeks[0].ChartEntries[2].Title.Should().Be("Hallucinate");
actualWeeks[0].ChartEntries[2].Artist.Should().Be("Dua Lipa");
actualWeeks[0].ChartEntries[3].Title.Should().Be("WANNABE");
actualWeeks[0].ChartEntries[3].Artist.Should().Be("ITZY");
}