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osu-lazer/osu.Game.Tests/Beatmaps/Formats/OsuJsonDecoderTest.cs
2019-04-01 12:44:46 +09:00

171 lines
7.4 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.IO;
using System.Linq;
using DeepEqual.Syntax;
using NUnit.Framework;
using osu.Game.Audio;
using osu.Game.Beatmaps;
using osu.Game.Beatmaps.Formats;
using osu.Game.IO.Serialization;
using osu.Game.Rulesets.Objects;
using osu.Game.Rulesets.Objects.Types;
using osu.Game.Tests.Resources;
using osuTK;
namespace osu.Game.Tests.Beatmaps.Formats
{
[TestFixture]
public class OsuJsonDecoderTest
{
private const string normal = "Soleily - Renatus (Gamu) [Insane].osu";
private const string marathon = "Within Temptation - The Unforgiving (Armin) [Marathon].osu";
private const string with_sb = "Kozato snow - Rengetsu Ouka (_Kiva) [Yuki YukI].osu";
[Test]
public void TestDecodeMetadata()
{
var beatmap = decodeAsJson(normal);
var meta = beatmap.BeatmapInfo.Metadata;
Assert.AreEqual(241526, beatmap.BeatmapInfo.BeatmapSet.OnlineBeatmapSetID);
Assert.AreEqual("Soleily", meta.Artist);
Assert.AreEqual("Soleily", meta.ArtistUnicode);
Assert.AreEqual("03. Renatus - Soleily 192kbps.mp3", meta.AudioFile);
Assert.AreEqual("Gamu", meta.AuthorString);
Assert.AreEqual("machinetop_background.jpg", meta.BackgroundFile);
Assert.AreEqual(164471, meta.PreviewTime);
Assert.AreEqual(string.Empty, meta.Source);
Assert.AreEqual("MBC7 Unisphere 地球ヤバイEP Chikyu Yabai", meta.Tags);
Assert.AreEqual("Renatus", meta.Title);
Assert.AreEqual("Renatus", meta.TitleUnicode);
}
[Test]
public void TestDecodeGeneral()
{
var beatmap = decodeAsJson(normal);
var beatmapInfo = beatmap.BeatmapInfo;
Assert.AreEqual(0, beatmapInfo.AudioLeadIn);
Assert.AreEqual(false, beatmapInfo.Countdown);
Assert.AreEqual(0.7f, beatmapInfo.StackLeniency);
Assert.AreEqual(false, beatmapInfo.SpecialStyle);
Assert.IsTrue(beatmapInfo.RulesetID == 0);
Assert.AreEqual(false, beatmapInfo.LetterboxInBreaks);
Assert.AreEqual(false, beatmapInfo.WidescreenStoryboard);
}
[Test]
public void TestDecodeEditor()
{
var beatmap = decodeAsJson(normal);
var beatmapInfo = beatmap.BeatmapInfo;
int[] expectedBookmarks =
{
11505, 22054, 32604, 43153, 53703, 64252, 74802, 85351,
95901, 106450, 116999, 119637, 130186, 140735, 151285,
161834, 164471, 175020, 185570, 196119, 206669, 209306
};
Assert.AreEqual(expectedBookmarks.Length, beatmapInfo.Bookmarks.Length);
for (int i = 0; i < expectedBookmarks.Length; i++)
Assert.AreEqual(expectedBookmarks[i], beatmapInfo.Bookmarks[i]);
Assert.AreEqual(1.8, beatmapInfo.DistanceSpacing);
Assert.AreEqual(4, beatmapInfo.BeatDivisor);
Assert.AreEqual(4, beatmapInfo.GridSize);
Assert.AreEqual(2, beatmapInfo.TimelineZoom);
}
[Test]
public void TestDecodeDifficulty()
{
var beatmap = decodeAsJson(normal);
var difficulty = beatmap.BeatmapInfo.BaseDifficulty;
Assert.AreEqual(6.5f, difficulty.DrainRate);
Assert.AreEqual(4, difficulty.CircleSize);
Assert.AreEqual(8, difficulty.OverallDifficulty);
Assert.AreEqual(9, difficulty.ApproachRate);
Assert.AreEqual(1.8, difficulty.SliderMultiplier);
Assert.AreEqual(2, difficulty.SliderTickRate);
}
[Test]
public void TestDecodeHitObjects()
{
var beatmap = decodeAsJson(normal);
var curveData = beatmap.HitObjects[0] as IHasCurve;
var positionData = beatmap.HitObjects[0] as IHasPosition;
Assert.IsNotNull(positionData);
Assert.IsNotNull(curveData);
Assert.AreEqual(new Vector2(192, 168), positionData.Position);
Assert.AreEqual(956, beatmap.HitObjects[0].StartTime);
Assert.IsTrue(beatmap.HitObjects[0].Samples.Any(s => s.Name == SampleInfo.HIT_NORMAL));
positionData = beatmap.HitObjects[1] as IHasPosition;
Assert.IsNotNull(positionData);
Assert.AreEqual(new Vector2(304, 56), positionData.Position);
Assert.AreEqual(1285, beatmap.HitObjects[1].StartTime);
Assert.IsTrue(beatmap.HitObjects[1].Samples.Any(s => s.Name == SampleInfo.HIT_CLAP));
}
[TestCase(normal)]
[TestCase(marathon)]
[Ignore("temporarily disabled pending DeepEqual fix (https://github.com/jamesfoster/DeepEqual/pull/35)")]
// Currently fails:
// [TestCase(with_sb)]
public void TestParity(string beatmap)
{
var legacy = decode(beatmap, out Beatmap json);
json.WithDeepEqual(legacy)
.IgnoreProperty(r => r.DeclaringType == typeof(HitWindows)
// Todo: CustomSampleBank shouldn't exist going forward, we need a conversion mechanism
|| r.Name == nameof(LegacyDecoder<Beatmap>.LegacySampleControlPoint.CustomSampleBank))
.Assert();
}
/// <summary>
/// Reads a .osu file first with a <see cref="LegacyBeatmapDecoder"/>, serializes the resulting <see cref="Beatmap"/> to JSON
/// and then deserializes the result back into a <see cref="Beatmap"/> through an <see cref="JsonBeatmapDecoder"/>.
/// </summary>
/// <param name="filename">The .osu file to decode.</param>
/// <returns>The <see cref="Beatmap"/> after being decoded by an <see cref="LegacyBeatmapDecoder"/>.</returns>
private Beatmap decodeAsJson(string filename)
{
decode(filename, out Beatmap jsonDecoded);
return jsonDecoded;
}
/// <summary>
/// Reads a .osu file first with a <see cref="LegacyBeatmapDecoder"/>, serializes the resulting <see cref="Beatmap"/> to JSON
/// and then deserializes the result back into a <see cref="Beatmap"/> through an <see cref="JsonBeatmapDecoder"/>.
/// </summary>
/// <param name="filename">The .osu file to decode.</param>
/// <param name="jsonDecoded">The <see cref="Beatmap"/> after being decoded by an <see cref="JsonBeatmapDecoder"/>.</param>
/// <returns>The <see cref="Beatmap"/> after being decoded by an <see cref="LegacyBeatmapDecoder"/>.</returns>
private Beatmap decode(string filename, out Beatmap jsonDecoded)
{
using (var stream = TestResources.OpenResource(filename))
using (var sr = new StreamReader(stream))
{
var legacyDecoded = new LegacyBeatmapDecoder { ApplyOffsets = false }.Decode(sr);
using (var ms = new MemoryStream())
using (var sw = new StreamWriter(ms))
using (var sr2 = new StreamReader(ms))
{
sw.Write(legacyDecoded.Serialize());
sw.Flush();
ms.Position = 0;
jsonDecoded = new JsonBeatmapDecoder().Decode(sr2);
return legacyDecoded;
}
}
}
}
}