Jedd Morgan
00a6619cbe
.NET Build and Publish / build (push) Has been cancelled
* Add permission checks and deprecate canPublish * Fix tests * How's this * make tests more reliable * lets test this first * test * This should speed up unit tests * skip slow tests * I HATE flaky tests
92 lines
2.8 KiB
C#
92 lines
2.8 KiB
C#
using System.Diagnostics;
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using FluentAssertions;
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using Speckle.Sdk.Host;
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using Speckle.Sdk.Models;
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using Speckle.Sdk.Tests.Unit.Host;
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namespace Speckle.Sdk.Tests.Unit.Models;
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[Collection(nameof(RequiresTypeLoaderCollection))]
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public class Hashing
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{
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public Hashing()
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{
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TypeLoader.ReInitialize(typeof(Base).Assembly, typeof(DiningTable).Assembly);
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}
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[Fact(DisplayName = "Checks that hashing (as represented by object IDs) actually works.")]
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public void HashChangeCheck_Test()
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{
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var table = new DiningTable();
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var secondTable = new DiningTable();
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secondTable.GetId().Should().Be(table.GetId(), "Object IDs of identical objects should match.");
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((dynamic)secondTable).testProp = "wonderful";
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secondTable.GetId().Should().NotBe(table.GetId(), "Changing a property should alter the object ID.");
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}
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[Fact(DisplayName = "Verifies that dynamic properties with '__' prefix are ignored during hashing.")]
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public void IgnoredDynamicPropertiesCheck_Test()
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{
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var table = new DiningTable();
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var originalHash = table.GetId();
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((dynamic)table).__testProp = "wonderful";
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table
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.GetId()
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.Should()
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.Be(originalHash, "Hashing of table should not change when '__' prefixed properties are added.");
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}
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[Fact(DisplayName = "Performance test: Hash computation time for large and small objects.")]
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public void HashingPerformance_Test()
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{
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var polyline = new Polyline();
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for (int i = 0; i < 1000; i++)
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{
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polyline.Points.Add(new Point { X = i * 2, Y = i % 2 });
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}
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var stopWatch = new Stopwatch();
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stopWatch.Start();
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// Warm-up: first hashing always takes longer due to json serialisation init
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_ = polyline.GetId();
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var stopWatchStep = stopWatch.ElapsedMilliseconds;
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_ = polyline.GetId();
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var diff1 = stopWatch.ElapsedMilliseconds - stopWatchStep;
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diff1.Should().BeLessThan(300, $"Hashing shouldn't take that long ({diff1} ms) for the test object used.");
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Console.WriteLine($"Big obj hash duration: {diff1} ms");
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var pt = new Point
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{
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X = 10,
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Y = 12,
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Z = 30,
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};
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stopWatchStep = stopWatch.ElapsedMilliseconds;
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_ = pt.GetId();
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var diff2 = stopWatch.ElapsedMilliseconds - stopWatchStep;
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diff2.Should().BeLessThan(10, $"Hashing shouldn't take that long ({diff2} ms) for the point object used.");
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Console.WriteLine($"Small obj hash duration: {diff2} ms");
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}
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[Fact(DisplayName = "Verifies that decomposed and non-decomposed objects have different hashes.")]
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public void DecompositionHashes_Test()
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{
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var table = new DiningTable();
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((dynamic)table)["@decomposeMePlease"] = new Point();
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var hash1 = table.GetId();
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var hash2 = table.GetId(true);
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hash2.Should().NotBe(hash1, "Hash values should differ for decomposed and non-decomposed objects.");
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}
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}
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