25 lines
965 B
C#
25 lines
965 B
C#
using System;
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using System.Security.Cryptography;
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using System.Text;
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namespace UnityEngine.TestRunner.TestProtocol
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{
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internal static class DeterministicGuid
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{
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// Returns a deterministic GUID string derived from the test name and optional iteration.
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// Using string (not System.Guid) because JsonUtility does not support Guid serialization.
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private static readonly string ProcessSalt = System.Diagnostics.Process.GetCurrentProcess().Id.ToString();
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public static string Create(string name, int iteration = 0)
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{
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var input = iteration > 0 ? $"{name}:{iteration}" : (name ?? string.Empty);
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input = $"{ProcessSalt}:{input}";
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using var sha = SHA256.Create();
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var hash = sha.ComputeHash(Encoding.UTF8.GetBytes(input));
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var guidBytes = new byte[16];
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Array.Copy(hash, guidBytes, 16);
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return new Guid(guidBytes).ToString();
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}
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}
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}
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