KyuubiYoru
62 lines
2.6 KiB
C#
62 lines
2.6 KiB
C#
using FinalFactory.Rendezvous.Contracts;
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namespace FinalFactory.Rendezvous.Tests.Contracts;
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public sealed class NatPunchRequestTokenCodecTests
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{
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[Theory]
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[InlineData(NatPunchPeerRole.HostPresence)]
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[InlineData(NatPunchPeerRole.Host)]
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[InlineData(NatPunchPeerRole.Client)]
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public void FixedSizeTokensRoundTripBelowLiteNetLibLimit(NatPunchPeerRole role)
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{
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MediationHandle handle = new(Guid.NewGuid());
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const string capability = "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA";
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string encoded = NatPunchRequestTokenCodec.Encode(role, handle, capability);
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Assert.Equal(NatPunchRequestTokenCodec.EncodedLength, encoded.Length);
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Assert.True(encoded.Length <= ContractLimits.LiteNetLibNatTokenMaxCharacters);
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Assert.True(NatPunchRequestTokenCodec.TryDecode(encoded, out NatPunchRequestToken? decoded));
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Assert.NotNull(decoded);
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Assert.Equal(role, decoded.Role);
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Assert.Equal(handle, decoded.MediationHandle);
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Assert.Equal(capability, decoded.Capability);
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Assert.DoesNotContain(capability, decoded.ToString(), StringComparison.Ordinal);
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}
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[Fact]
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public void MalformedAndNonCanonicalTokensAreRejected()
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{
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string valid = NatPunchRequestTokenCodec.Encode(
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NatPunchPeerRole.Client,
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new MediationHandle(Guid.Parse("00112233-4455-6677-8899-aabbccddeeff")),
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"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA");
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string uppercaseHandle = valid[..6]
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+ valid.Substring(6, 32).ToUpperInvariant()
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+ valid[38..];
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Assert.False(NatPunchRequestTokenCodec.TryDecode(null, out _));
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Assert.False(NatPunchRequestTokenCodec.TryDecode(valid[..^1], out _));
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Assert.False(NatPunchRequestTokenCodec.TryDecode("x" + valid[1..], out _));
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Assert.False(NatPunchRequestTokenCodec.TryDecode(valid[..^1] + "x", out _));
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Assert.False(NatPunchRequestTokenCodec.TryDecode(uppercaseHandle, out _));
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Assert.Throws<ArgumentException>(() => NatPunchRequestTokenCodec.Encode(
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(NatPunchPeerRole)99,
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new MediationHandle(Guid.NewGuid()),
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"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"));
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}
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[Fact]
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public void FixedWireLengthHasADedicatedLiteNetSafeContractLimit()
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{
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Assert.Equal(192, ContractLimits.NatPunchRequestTokenCharacters);
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Assert.Equal(
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ContractLimits.NatPunchRequestTokenCharacters,
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NatPunchRequestTokenCodec.EncodedLength);
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Assert.True(
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ContractLimits.NatPunchRequestTokenCharacters
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<= ContractLimits.LiteNetLibNatTokenMaxCharacters);
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}
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}
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