78 lines
2.8 KiB
C#
78 lines
2.8 KiB
C#
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using CapySR.Common;
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using Xunit;
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namespace CapySR.Tests;
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// A beta dispatch stops answering once its window closes, so a client that updated past
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// everything in config/versions.json has to be served from the closest build on hand.
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public class GameVersionTests
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{
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private static readonly string[] Cached =
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[
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"OSBETAWin4.4.51",
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"CNBETAWin4.4.53",
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"CNBETAWin4.5.51",
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"CNBETAWin4.5.52",
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];
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[Fact]
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public void VersionsParseIntoAChannelAndNumbers()
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{
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Assert.True(GameVersion.TryParse("CNBETAWin4.5.53", out var version));
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Assert.Equal("CNBETAWin", version.Channel);
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Assert.Equal([4, 5, 53], version.Parts);
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Assert.False(GameVersion.TryParse("nonsense", out _));
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Assert.False(GameVersion.TryParse("CNBETAWin4.5.x", out _));
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Assert.False(GameVersion.TryParse("", out _));
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Assert.False(GameVersion.TryParse(null, out _));
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}
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[Theory]
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[InlineData("CNBETAWin4.5.52", "CNBETAWin4.5.53", -1)]
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[InlineData("CNBETAWin4.5.53", "CNBETAWin4.5.52", 1)]
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[InlineData("CNBETAWin4.5.53", "CNBETAWin4.5.53", 0)]
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[InlineData("CNBETAWin4.9.0", "CNBETAWin4.10.0", -1)]
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// a missing trailing part counts as zero, so 4.5 and 4.5.0 are the same build
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[InlineData("CNBETAWin4.5", "CNBETAWin4.5.0", 0)]
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public void VersionsCompareNumerically(string left, string right, int expected)
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{
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Assert.True(GameVersion.TryParse(left, out var a));
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Assert.True(GameVersion.TryParse(right, out var b));
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Assert.Equal(expected, Math.Sign(a.CompareTo(b)));
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}
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// the case that matters: the client updated past anything the dispatch will still serve
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[Fact]
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public void ANewerClientBorrowsTheClosestOlderBuild()
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{
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Assert.True(GameVersion.TryFindNearest(Cached, "CNBETAWin4.5.53", out var nearest));
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Assert.Equal("CNBETAWin4.5.52", nearest);
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}
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[Fact]
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public void ChannelsNeverBorrowFromEachOther()
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{
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Assert.True(GameVersion.TryFindNearest(Cached, "OSBETAWin4.9.99", out var os));
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Assert.Equal("OSBETAWin4.4.51", os);
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Assert.False(GameVersion.TryFindNearest(Cached, "CNPRODWin4.5.53", out _));
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Assert.False(GameVersion.TryFindNearest(Cached, "nonsense", out _));
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Assert.False(GameVersion.TryFindNearest([], "CNBETAWin4.5.53", out _));
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}
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// nothing older to fall back on, so the newest known build beats having no urls at all
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[Fact]
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public void AnOlderClientStillGetsUrls()
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{
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Assert.True(GameVersion.TryFindNearest(Cached, "CNBETAWin3.0.0", out var nearest));
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Assert.Equal("CNBETAWin4.5.52", nearest);
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}
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[Fact]
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public void AnExactMatchIsPreferredOverEverythingElse()
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{
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Assert.True(GameVersion.TryFindNearest(Cached, "CNBETAWin4.5.51", out var nearest));
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Assert.Equal("CNBETAWin4.5.51", nearest);
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}
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}
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