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osu-lazer/osu.Game.Tests/Visual/SongSelect/TestSceneBeatmapCarousel.cs
2020-03-29 18:55:47 +03:00

866 lines
31 KiB
C#

// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using NUnit.Framework;
using osu.Framework.Allocation;
using osu.Framework.Extensions;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Game.Beatmaps;
using osu.Game.Configuration;
using osu.Game.Rulesets;
using osu.Game.Screens.Select;
using osu.Game.Screens.Select.Carousel;
using osu.Game.Screens.Select.Filter;
namespace osu.Game.Tests.Visual.SongSelect
{
[TestFixture]
public class TestSceneBeatmapCarousel : OsuTestScene
{
private TestBeatmapCarousel carousel;
private RulesetStore rulesets;
public override IReadOnlyList<Type> RequiredTypes => new[]
{
typeof(CarouselItem),
typeof(CarouselGroup),
typeof(CarouselGroupEagerSelect),
typeof(CarouselBeatmap),
typeof(CarouselBeatmapSet),
typeof(DrawableCarouselItem),
typeof(CarouselItemState),
typeof(DrawableCarouselBeatmap),
typeof(DrawableCarouselBeatmapSet),
};
private readonly Stack<BeatmapSetInfo> selectedSets = new Stack<BeatmapSetInfo>();
private readonly HashSet<int> eagerSelectedIDs = new HashSet<int>();
private BeatmapInfo currentSelection => carousel.SelectedBeatmap;
private const int set_count = 5;
[BackgroundDependencyLoader]
private void load(RulesetStore rulesets)
{
this.rulesets = rulesets;
}
/// <summary>
/// Test keyboard traversal
/// </summary>
[Test]
public void TestTraversal()
{
loadBeatmaps();
advanceSelection(direction: 1, diff: false);
waitForSelection(1, 1);
advanceSelection(direction: 1, diff: true);
waitForSelection(1, 2);
advanceSelection(direction: -1, diff: false);
waitForSelection(set_count, 1);
advanceSelection(direction: -1, diff: true);
waitForSelection(set_count - 1, 3);
advanceSelection(diff: false);
advanceSelection(diff: false);
waitForSelection(1, 2);
advanceSelection(direction: -1, diff: true);
advanceSelection(direction: -1, diff: true);
waitForSelection(set_count, 3);
}
[TestCase(true)]
[TestCase(false)]
public void TestTraversalBeyondVisible(bool forwards)
{
var sets = new List<BeatmapSetInfo>();
const int total_set_count = 200;
for (int i = 0; i < total_set_count; i++)
sets.Add(createTestBeatmapSet(i + 1));
loadBeatmaps(sets);
for (int i = 1; i < total_set_count; i += i)
selectNextAndAssert(i);
void selectNextAndAssert(int amount)
{
setSelected(forwards ? 1 : total_set_count, 1);
AddStep($"{(forwards ? "Next" : "Previous")} beatmap {amount} times", () =>
{
for (int i = 0; i < amount; i++)
{
carousel.SelectNext(forwards ? 1 : -1);
}
});
waitForSelection(forwards ? amount + 1 : total_set_count - amount);
}
}
[Test]
public void TestTraversalBeyondVisibleDifficulties()
{
var sets = new List<BeatmapSetInfo>();
const int total_set_count = 20;
for (int i = 0; i < total_set_count; i++)
sets.Add(createTestBeatmapSet(i + 1));
loadBeatmaps(sets);
// Selects next set once, difficulty index doesn't change
selectNextAndAssert(3, true, 2, 1);
// Selects next set 16 times (50 \ 3 == 16), difficulty index changes twice (50 % 3 == 2)
selectNextAndAssert(50, true, 17, 3);
// Travels around the carousel thrice (200 \ 60 == 3)
// continues to select 20 times (200 \ 60 == 20)
// selects next set 6 times (20 \ 3 == 6)
// difficulty index changes twice (20 % 3 == 2)
selectNextAndAssert(200, true, 7, 3);
// All same but in reverse
selectNextAndAssert(3, false, 19, 3);
selectNextAndAssert(50, false, 4, 1);
selectNextAndAssert(200, false, 14, 1);
void selectNextAndAssert(int amount, bool forwards, int expectedSet, int expectedDiff)
{
// Select very first or very last difficulty
setSelected(forwards ? 1 : 20, forwards ? 1 : 3);
AddStep($"{(forwards ? "Next" : "Previous")} difficulty {amount} times", () =>
{
for (int i = 0; i < amount; i++)
carousel.SelectNext(forwards ? 1 : -1, false);
});
waitForSelection(expectedSet, expectedDiff);
}
}
/// <summary>
/// Test filtering
/// </summary>
[Test]
public void TestFiltering()
{
loadBeatmaps();
// basic filtering
setSelected(1, 1);
AddStep("Filter", () => carousel.Filter(new FilterCriteria { SearchText = "set #3!" }, false));
checkVisibleItemCount(diff: false, count: 1);
checkVisibleItemCount(diff: true, count: 3);
waitForSelection(3, 1);
advanceSelection(diff: true, count: 4);
waitForSelection(3, 2);
AddStep("Un-filter (debounce)", () => carousel.Filter(new FilterCriteria()));
AddUntilStep("Wait for debounce", () => !carousel.PendingFilterTask);
checkVisibleItemCount(diff: false, count: set_count);
checkVisibleItemCount(diff: true, count: 3);
// test filtering some difficulties (and keeping current beatmap set selected).
setSelected(1, 2);
AddStep("Filter some difficulties", () => carousel.Filter(new FilterCriteria { SearchText = "Normal" }, false));
waitForSelection(1, 1);
AddStep("Un-filter", () => carousel.Filter(new FilterCriteria(), false));
waitForSelection(1, 1);
AddStep("Filter all", () => carousel.Filter(new FilterCriteria { SearchText = "Dingo" }, false));
checkVisibleItemCount(false, 0);
checkVisibleItemCount(true, 0);
AddAssert("Selection is null", () => currentSelection == null);
advanceSelection(true);
AddAssert("Selection is null", () => currentSelection == null);
advanceSelection(false);
AddAssert("Selection is null", () => currentSelection == null);
AddStep("Un-filter", () => carousel.Filter(new FilterCriteria(), false));
AddAssert("Selection is non-null", () => currentSelection != null);
setSelected(1, 3);
}
[Test]
public void TestFilterRange()
{
loadBeatmaps();
// buffer the selection
setSelected(3, 2);
setSelected(1, 3);
AddStep("Apply a range filter", () => carousel.Filter(new FilterCriteria
{
SearchText = "#3",
StarDifficulty = new FilterCriteria.OptionalRange<double>
{
Min = 2,
Max = 5.5,
IsLowerInclusive = true
}
}, false));
// should reselect the buffered selection.
waitForSelection(3, 2);
}
/// <summary>
/// Test random non-repeating algorithm
/// </summary>
[Test]
public void TestRandom()
{
loadBeatmaps();
setSelected(1, 1);
nextRandom();
ensureRandomDidntRepeat();
nextRandom();
ensureRandomDidntRepeat();
nextRandom();
ensureRandomDidntRepeat();
prevRandom();
ensureRandomFetchSuccess();
prevRandom();
ensureRandomFetchSuccess();
nextRandom();
ensureRandomDidntRepeat();
nextRandom();
ensureRandomDidntRepeat();
nextRandom();
AddAssert("ensure repeat", () => selectedSets.Contains(carousel.SelectedBeatmapSet));
AddStep("Add set with 100 difficulties", () => carousel.UpdateBeatmapSet(createTestBeatmapSetWithManyDifficulties(set_count + 1)));
AddStep("Filter Extra", () => carousel.Filter(new FilterCriteria { SearchText = "Extra 10" }, false));
checkInvisibleDifficultiesUnselectable();
checkInvisibleDifficultiesUnselectable();
checkInvisibleDifficultiesUnselectable();
checkInvisibleDifficultiesUnselectable();
checkInvisibleDifficultiesUnselectable();
AddStep("Un-filter", () => carousel.Filter(new FilterCriteria(), false));
}
/// <summary>
/// Test adding and removing beatmap sets
/// </summary>
[Test]
public void TestAddRemove()
{
loadBeatmaps();
AddStep("Add new set", () => carousel.UpdateBeatmapSet(createTestBeatmapSet(set_count + 1)));
AddStep("Add new set", () => carousel.UpdateBeatmapSet(createTestBeatmapSet(set_count + 2)));
checkVisibleItemCount(false, set_count + 2);
AddStep("Remove set", () => carousel.RemoveBeatmapSet(createTestBeatmapSet(set_count + 2)));
checkVisibleItemCount(false, set_count + 1);
setSelected(set_count + 1, 1);
AddStep("Remove set", () => carousel.RemoveBeatmapSet(createTestBeatmapSet(set_count + 1)));
checkVisibleItemCount(false, set_count);
waitForSelection(set_count);
}
[Test]
public void TestSelectionEnteringFromEmptyRuleset()
{
var sets = new List<BeatmapSetInfo>();
AddStep("Create beatmaps for taiko only", () =>
{
sets.Clear();
var rulesetBeatmapSet = createTestBeatmapSet(1);
var taikoRuleset = rulesets.AvailableRulesets.ElementAt(1);
rulesetBeatmapSet.Beatmaps.ForEach(b =>
{
b.Ruleset = taikoRuleset;
b.RulesetID = 1;
});
sets.Add(rulesetBeatmapSet);
});
loadBeatmaps(sets, () => new FilterCriteria { Ruleset = rulesets.AvailableRulesets.ElementAt(0) });
AddStep("Set non-empty mode filter", () =>
carousel.Filter(new FilterCriteria { Ruleset = rulesets.AvailableRulesets.ElementAt(1) }, false));
AddAssert("Something is selected", () => carousel.SelectedBeatmap != null);
}
/// <summary>
/// Test sorting
/// </summary>
[Test]
public void TestSorting()
{
loadBeatmaps();
AddStep("Sort by author", () => carousel.Filter(new FilterCriteria { Sort = SortMode.Author }, false));
AddAssert("Check zzzzz is at bottom", () => carousel.BeatmapSets.Last().Metadata.AuthorString == "zzzzz");
AddStep("Sort by artist", () => carousel.Filter(new FilterCriteria { Sort = SortMode.Artist }, false));
AddAssert($"Check #{set_count} is at bottom", () => carousel.BeatmapSets.Last().Metadata.Title.EndsWith($"#{set_count}!"));
}
[Test]
public void TestSortingStability()
{
var sets = new List<BeatmapSetInfo>();
for (int i = 0; i < 20; i++)
{
var set = createTestBeatmapSet(i);
set.Metadata.Artist = "same artist";
set.Metadata.Title = "same title";
sets.Add(set);
}
loadBeatmaps(sets);
AddStep("Sort by artist", () => carousel.Filter(new FilterCriteria { Sort = SortMode.Artist }, false));
AddAssert("Items remain in original order", () => carousel.BeatmapSets.Select((set, index) => set.ID == index).All(b => b));
AddStep("Sort by title", () => carousel.Filter(new FilterCriteria { Sort = SortMode.Title }, false));
AddAssert("Items remain in original order", () => carousel.BeatmapSets.Select((set, index) => set.ID == index).All(b => b));
}
[Test]
public void TestSortingWithFiltered()
{
List<BeatmapSetInfo> sets = new List<BeatmapSetInfo>();
for (int i = 0; i < 3; i++)
{
var set = createTestBeatmapSet(i);
set.Beatmaps[0].StarDifficulty = 3 - i;
set.Beatmaps[2].StarDifficulty = 6 + i;
sets.Add(set);
}
loadBeatmaps(sets);
AddStep("Filter to normal", () => carousel.Filter(new FilterCriteria { Sort = SortMode.Difficulty, SearchText = "Normal" }, false));
AddAssert("Check first set at end", () => carousel.BeatmapSets.First() == sets.Last());
AddAssert("Check last set at start", () => carousel.BeatmapSets.Last() == sets.First());
AddStep("Filter to insane", () => carousel.Filter(new FilterCriteria { Sort = SortMode.Difficulty, SearchText = "Insane" }, false));
AddAssert("Check first set at start", () => carousel.BeatmapSets.First() == sets.First());
AddAssert("Check last set at end", () => carousel.BeatmapSets.Last() == sets.Last());
}
[Test]
public void TestRemoveAll()
{
loadBeatmaps();
setSelected(2, 1);
AddAssert("Selection is non-null", () => currentSelection != null);
AddStep("Remove selected", () => carousel.RemoveBeatmapSet(carousel.SelectedBeatmapSet));
waitForSelection(2);
AddStep("Remove first", () => carousel.RemoveBeatmapSet(carousel.BeatmapSets.First()));
AddStep("Remove first", () => carousel.RemoveBeatmapSet(carousel.BeatmapSets.First()));
waitForSelection(1);
AddUntilStep("Remove all", () =>
{
if (!carousel.BeatmapSets.Any()) return true;
carousel.RemoveBeatmapSet(carousel.BeatmapSets.Last());
return false;
});
checkNoSelection();
}
[Test]
public void TestEmptyTraversal()
{
loadBeatmaps(new List<BeatmapSetInfo>());
advanceSelection(direction: 1, diff: false);
checkNoSelection();
advanceSelection(direction: 1, diff: true);
checkNoSelection();
advanceSelection(direction: -1, diff: false);
checkNoSelection();
advanceSelection(direction: -1, diff: true);
checkNoSelection();
}
[Test]
public void TestHiding()
{
BeatmapSetInfo hidingSet = null;
List<BeatmapSetInfo> hiddenList = new List<BeatmapSetInfo>();
AddStep("create hidden set", () =>
{
hidingSet = createTestBeatmapSet(1);
hidingSet.Beatmaps[1].Hidden = true;
hiddenList.Clear();
hiddenList.Add(hidingSet);
});
loadBeatmaps(hiddenList);
setSelected(1, 1);
checkVisibleItemCount(true, 2);
advanceSelection(true);
waitForSelection(1, 3);
setHidden(3);
waitForSelection(1, 1);
setHidden(2, false);
advanceSelection(true);
waitForSelection(1, 2);
setHidden(1);
waitForSelection(1, 2);
setHidden(2);
checkNoSelection();
void setHidden(int diff, bool hidden = true)
{
AddStep((hidden ? "" : "un") + $"hide diff {diff}", () =>
{
hidingSet.Beatmaps[diff - 1].Hidden = hidden;
carousel.UpdateBeatmapSet(hidingSet);
});
}
}
[Test]
public void TestSelectingFilteredRuleset()
{
BeatmapSetInfo testMixed = null;
createCarousel();
AddStep("add mixed ruleset beatmapset", () =>
{
testMixed = createTestBeatmapSet(set_count + 1);
for (int i = 0; i <= 2; i++)
{
testMixed.Beatmaps[i].Ruleset = rulesets.AvailableRulesets.ElementAt(i);
testMixed.Beatmaps[i].RulesetID = i;
}
carousel.UpdateBeatmapSet(testMixed);
});
AddStep("filter to ruleset 0", () =>
carousel.Filter(new FilterCriteria { Ruleset = rulesets.AvailableRulesets.ElementAt(0) }, false));
AddStep("select filtered map skipping filtered", () => carousel.SelectBeatmap(testMixed.Beatmaps[1], false));
AddAssert("unfiltered beatmap not selected", () => carousel.SelectedBeatmap.RulesetID == 0);
AddStep("remove mixed set", () =>
{
carousel.RemoveBeatmapSet(testMixed);
testMixed = null;
});
BeatmapSetInfo testSingle = null;
AddStep("add single ruleset beatmapset", () =>
{
testSingle = createTestBeatmapSet(set_count + 2);
testSingle.Beatmaps.ForEach(b =>
{
b.Ruleset = rulesets.AvailableRulesets.ElementAt(1);
b.RulesetID = b.Ruleset.ID ?? 1;
});
carousel.UpdateBeatmapSet(testSingle);
});
AddStep("select filtered map skipping filtered", () => carousel.SelectBeatmap(testSingle.Beatmaps[0], false));
checkNoSelection();
AddStep("remove single ruleset set", () => carousel.RemoveBeatmapSet(testSingle));
}
[Test]
public void TestCarouselRemembersSelection()
{
List<BeatmapSetInfo> manySets = new List<BeatmapSetInfo>();
for (int i = 1; i <= 50; i++)
manySets.Add(createTestBeatmapSet(i));
loadBeatmaps(manySets);
advanceSelection(direction: 1, diff: false);
for (int i = 0; i < 5; i++)
{
AddStep("Toggle non-matching filter", () =>
{
carousel.Filter(new FilterCriteria { SearchText = Guid.NewGuid().ToString() }, false);
});
AddStep("Restore no filter", () =>
{
carousel.Filter(new FilterCriteria(), false);
eagerSelectedIDs.Add(carousel.SelectedBeatmapSet.ID);
});
}
// always returns to same selection as long as it's available.
AddAssert("Selection was remembered", () => eagerSelectedIDs.Count == 1);
}
[Test]
public void TestRandomFallbackOnNonMatchingPrevious()
{
List<BeatmapSetInfo> manySets = new List<BeatmapSetInfo>();
AddStep("populate maps", () =>
{
for (int i = 0; i < 10; i++)
{
var set = createTestBeatmapSet(i);
foreach (var b in set.Beatmaps)
{
// all taiko except for first
int ruleset = i > 0 ? 1 : 0;
b.Ruleset = rulesets.GetRuleset(ruleset);
b.RulesetID = ruleset;
}
manySets.Add(set);
}
});
loadBeatmaps(manySets);
for (int i = 0; i < 10; i++)
{
AddStep("Reset filter", () => carousel.Filter(new FilterCriteria(), false));
AddStep("select first beatmap", () => carousel.SelectBeatmap(manySets.First().Beatmaps.First()));
AddStep("Toggle non-matching filter", () =>
{
carousel.Filter(new FilterCriteria { SearchText = Guid.NewGuid().ToString() }, false);
});
AddAssert("selection lost", () => carousel.SelectedBeatmap == null);
AddStep("Restore different ruleset filter", () =>
{
carousel.Filter(new FilterCriteria { Ruleset = rulesets.GetRuleset(1) }, false);
eagerSelectedIDs.Add(carousel.SelectedBeatmapSet.ID);
});
AddAssert("selection changed", () => carousel.SelectedBeatmap != manySets.First().Beatmaps.First());
}
AddAssert("Selection was random", () => eagerSelectedIDs.Count > 2);
}
[Test]
public void TestFilteringByUserStarDifficulty()
{
BeatmapSetInfo set = null;
loadBeatmaps(new List<BeatmapSetInfo>());
AddStep("add mixed difficulty set", () =>
{
set = createTestBeatmapSet(1);
set.Beatmaps.Clear();
for (int i = 1; i <= 15; i++)
{
set.Beatmaps.Add(new BeatmapInfo
{
Version = $"Stars: {i}",
StarDifficulty = i,
});
}
carousel.UpdateBeatmapSet(set);
});
AddStep("select added set", () => carousel.SelectBeatmap(set.Beatmaps[0], false));
AddStep("filter [5..]", () => carousel.Filter(new FilterCriteria { UserStarDifficulty = { Min = 5 } }));
AddUntilStep("Wait for debounce", () => !carousel.PendingFilterTask);
checkVisibleItemCount(true, 11);
AddStep("filter to [0..7]", () => carousel.Filter(new FilterCriteria { UserStarDifficulty = { Max = 7 } }));
AddUntilStep("Wait for debounce", () => !carousel.PendingFilterTask);
checkVisibleItemCount(true, 7);
AddStep("filter to [5..7]", () => carousel.Filter(new FilterCriteria { UserStarDifficulty = { Min = 5, Max = 7 } }));
AddUntilStep("Wait for debounce", () => !carousel.PendingFilterTask);
checkVisibleItemCount(true, 3);
AddStep("filter [2..2]", () => carousel.Filter(new FilterCriteria { UserStarDifficulty = { Min = 2, Max = 2 } }));
AddUntilStep("Wait for debounce", () => !carousel.PendingFilterTask);
checkVisibleItemCount(true, 1);
AddStep("filter to [0..]", () => carousel.Filter(new FilterCriteria { UserStarDifficulty = { Min = 0 } }));
AddUntilStep("Wait for debounce", () => !carousel.PendingFilterTask);
checkVisibleItemCount(true, 15);
}
private void loadBeatmaps(List<BeatmapSetInfo> beatmapSets = null, Func<FilterCriteria> initialCriteria = null)
{
createCarousel();
if (beatmapSets == null)
{
beatmapSets = new List<BeatmapSetInfo>();
for (int i = 1; i <= set_count; i++)
beatmapSets.Add(createTestBeatmapSet(i));
}
bool changed = false;
AddStep($"Load {(beatmapSets.Count > 0 ? beatmapSets.Count.ToString() : "some")} beatmaps", () =>
{
carousel.Filter(initialCriteria?.Invoke() ?? new FilterCriteria());
carousel.BeatmapSetsChanged = () => changed = true;
carousel.BeatmapSets = beatmapSets;
});
AddUntilStep("Wait for load", () => changed);
}
private void createCarousel(Container target = null)
{
AddStep("Create carousel", () =>
{
selectedSets.Clear();
eagerSelectedIDs.Clear();
(target ?? this).Child = carousel = new TestBeatmapCarousel
{
RelativeSizeAxes = Axes.Both,
};
});
}
private void ensureRandomFetchSuccess() =>
AddAssert("ensure prev random fetch worked", () => selectedSets.Peek() == carousel.SelectedBeatmapSet);
private void waitForSelection(int set, int? diff = null) =>
AddUntilStep($"selected is set{set}{(diff.HasValue ? $" diff{diff.Value}" : "")}", () =>
{
if (diff != null)
return carousel.SelectedBeatmap == carousel.BeatmapSets.Skip(set - 1).First().Beatmaps.Skip(diff.Value - 1).First();
return carousel.BeatmapSets.Skip(set - 1).First().Beatmaps.Contains(carousel.SelectedBeatmap);
});
private void setSelected(int set, int diff) =>
AddStep($"select set{set} diff{diff}", () =>
carousel.SelectBeatmap(carousel.BeatmapSets.Skip(set - 1).First().Beatmaps.Skip(diff - 1).First()));
private void advanceSelection(bool diff, int direction = 1, int count = 1)
{
if (count == 1)
{
AddStep($"select {(direction > 0 ? "next" : "prev")} {(diff ? "diff" : "set")}", () =>
carousel.SelectNext(direction, !diff));
}
else
{
AddRepeatStep($"select {(direction > 0 ? "next" : "prev")} {(diff ? "diff" : "set")}", () =>
carousel.SelectNext(direction, !diff), count);
}
}
private void checkVisibleItemCount(bool diff, int count) =>
AddAssert($"{count} {(diff ? "diffs" : "sets")} visible", () =>
carousel.Items.Count(s => (diff ? s.Item is CarouselBeatmap : s.Item is CarouselBeatmapSet) && s.Item.Visible) == count);
private void checkNoSelection() => AddAssert("Selection is null", () => currentSelection == null);
private void nextRandom() =>
AddStep("select random next", () =>
{
carousel.RandomAlgorithm.Value = RandomSelectAlgorithm.RandomPermutation;
if (!selectedSets.Any() && carousel.SelectedBeatmap != null)
selectedSets.Push(carousel.SelectedBeatmapSet);
carousel.SelectNextRandom();
selectedSets.Push(carousel.SelectedBeatmapSet);
});
private void ensureRandomDidntRepeat() =>
AddAssert("ensure no repeats", () => selectedSets.Distinct().Count() == selectedSets.Count);
private void prevRandom() => AddStep("select random last", () =>
{
carousel.SelectPreviousRandom();
selectedSets.Pop();
});
private bool selectedBeatmapVisible()
{
var currentlySelected = carousel.Items.Find(s => s.Item is CarouselBeatmap && s.Item.State.Value == CarouselItemState.Selected);
if (currentlySelected == null)
return true;
return currentlySelected.Item.Visible;
}
private void checkInvisibleDifficultiesUnselectable()
{
nextRandom();
AddAssert("Selection is visible", selectedBeatmapVisible);
}
private BeatmapSetInfo createTestBeatmapSet(int id)
{
return new BeatmapSetInfo
{
ID = id,
OnlineBeatmapSetID = id,
Hash = new MemoryStream(Encoding.UTF8.GetBytes(Guid.NewGuid().ToString())).ComputeMD5Hash(),
Metadata = new BeatmapMetadata
{
// Create random metadata, then we can check if sorting works based on these
Artist = $"peppy{id.ToString().PadLeft(6, '0')}",
Title = $"test set #{id}!",
AuthorString = string.Concat(Enumerable.Repeat((char)('z' - Math.Min(25, id - 1)), 5))
},
Beatmaps = new List<BeatmapInfo>(new[]
{
new BeatmapInfo
{
OnlineBeatmapID = id * 10,
Path = "normal.osu",
Version = "Normal",
StarDifficulty = 2,
BaseDifficulty = new BeatmapDifficulty
{
OverallDifficulty = 3.5f,
}
},
new BeatmapInfo
{
OnlineBeatmapID = id * 10 + 1,
Path = "hard.osu",
Version = "Hard",
StarDifficulty = 5,
BaseDifficulty = new BeatmapDifficulty
{
OverallDifficulty = 5,
}
},
new BeatmapInfo
{
OnlineBeatmapID = id * 10 + 2,
Path = "insane.osu",
Version = "Insane",
StarDifficulty = 6,
BaseDifficulty = new BeatmapDifficulty
{
OverallDifficulty = 7,
}
},
}),
};
}
private BeatmapSetInfo createTestBeatmapSetWithManyDifficulties(int id)
{
var toReturn = new BeatmapSetInfo
{
ID = id,
OnlineBeatmapSetID = id,
Hash = new MemoryStream(Encoding.UTF8.GetBytes(Guid.NewGuid().ToString())).ComputeMD5Hash(),
Metadata = new BeatmapMetadata
{
// Create random metadata, then we can check if sorting works based on these
Artist = $"peppy{id.ToString().PadLeft(6, '0')}",
Title = $"test set #{id}!",
AuthorString = string.Concat(Enumerable.Repeat((char)('z' - Math.Min(25, id - 1)), 5))
},
Beatmaps = new List<BeatmapInfo>(),
};
for (int b = 1; b < 101; b++)
{
toReturn.Beatmaps.Add(new BeatmapInfo
{
OnlineBeatmapID = b * 10,
Path = $"extra{b}.osu",
Version = $"Extra {b}",
Ruleset = rulesets.GetRuleset((b - 1) % 4),
StarDifficulty = 2,
BaseDifficulty = new BeatmapDifficulty
{
OverallDifficulty = 3.5f,
}
});
}
return toReturn;
}
private class TestBeatmapCarousel : BeatmapCarousel
{
public new List<DrawableCarouselItem> Items => base.Items;
public bool PendingFilterTask => PendingFilter != null;
protected override IEnumerable<BeatmapSetInfo> GetLoadableBeatmaps() => Enumerable.Empty<BeatmapSetInfo>();
}
}
}