Gabriel Kaszewski
003ec4b010
flat snapshot record per aggregate - separate files mean saving a run doesn't rewrite the Profile, deleting a slot is deleting a file, and a corrupt slot doesn't cost achievements or best times. snapshots hold primitives so Restore re-runs the value-object factories; a serialiser building LevelId directly would bypass every guard. LoadResult has three outcomes: Absent != Corrupt. Collapsing them is the bug where a version bump made ContinueGame overwrite the save. Profile.Restore writes collections directly - replaying UnlockAchievement would re-fire popups and Steam pushes on every load. 44 tests.
53 lines
2.0 KiB
C#
53 lines
2.0 KiB
C#
namespace Mr.BrickAdventures.Progression.Tests;
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public class ProfileSnapshotTests
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{
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private static readonly LevelId Level = LevelId.Of("village_1");
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private static readonly AchievementId RescueTen = AchievementId.Of("rescue_ten_kids");
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[Fact]
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public void A_profile_survives_a_round_trip_through_its_snapshot()
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{
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var profile = Profile.Empty();
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profile.RecordTime(Level, LevelTime.Of(42.5));
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profile.UnlockAchievement(RescueTen);
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profile.Record(StatName.Deaths, 7);
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var restored = Profile.Restore(profile.Export());
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Assert.Equal(LevelTime.Of(42.5), restored.BestTimeFor(Level));
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Assert.True(restored.HasAchievement(RescueTen));
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Assert.Equal(7, restored.ReadStat(StatName.Deaths));
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}
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[Fact]
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public void Restoring_a_profile_does_not_re_announce_its_achievements()
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{
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// If Restore replayed UnlockAchievement it would raise AchievementUnlocked for every
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// achievement on every load — so the popup would fire on startup and Steam would be
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// re-pushed each time. Loading is not earning.
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var profile = Profile.Empty();
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profile.UnlockAchievement(RescueTen);
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var restored = Profile.Restore(profile.Export());
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Assert.Empty(restored.DrainEvents());
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}
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[Fact]
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public void An_unknown_statistic_is_dropped_rather_than_failing_the_load()
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{
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// A save written by a build that tracked a statistic this one no longer has. Losing one
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// counter is acceptable; refusing to load the Profile — and with it every achievement and
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// best time — is not.
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var snapshot = new ProfileSnapshot(
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BestTimes: new Dictionary<string, double>(),
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Achievements: Array.Empty<string>(),
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Statistics: new Dictionary<string, int> { ["Deaths"] = 4, ["BricksThrown"] = 99 });
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var restored = Profile.Restore(snapshot);
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Assert.Equal(4, restored.ReadStat(StatName.Deaths));
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}
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}
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