57 lines
1.7 KiB
C#
57 lines
1.7 KiB
C#
using ZB.MOM.WW.CBDD.Shared;
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namespace ZB.MOM.WW.CBDD.Tests;
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public class GeospatialStressTests : IDisposable
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{
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private readonly TestDbContext _db;
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private readonly string _dbPath;
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/// <summary>
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/// Initializes database state for geospatial stress tests.
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/// </summary>
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public GeospatialStressTests()
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{
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_dbPath = Path.Combine(Path.GetTempPath(), $"geo_stress_{Guid.NewGuid():N}.db");
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_db = new TestDbContext(_dbPath);
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}
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/// <summary>
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/// Disposes test resources and removes generated files.
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/// </summary>
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public void Dispose()
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{
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_db.Dispose();
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if (File.Exists(_dbPath)) File.Delete(_dbPath);
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string wal = Path.ChangeExtension(_dbPath, ".wal");
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if (File.Exists(wal)) File.Delete(wal);
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}
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/// <summary>
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/// Verifies spatial index handles node splits and query operations under load.
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/// </summary>
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[Fact]
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public void SpatialIndex_Should_Handle_Node_Splits_And_Queries()
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{
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const int count = 350;
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for (var i = 0; i < count; i++)
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_db.GeoItems.Insert(new GeoEntity
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{
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Name = $"pt-{i}",
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Location = (40.0 + i * 0.001, -73.0 - i * 0.001)
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});
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_db.SaveChanges();
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var all = _db.GeoItems.Within("idx_spatial", (39.5, -74.5), (40.5, -72.5)).ToList();
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all.Count.ShouldBe(count);
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var subset = _db.GeoItems.Within("idx_spatial", (40.05, -73.30), (40.25, -73.05)).ToList();
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subset.Count.ShouldBeGreaterThan(0);
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subset.Count.ShouldBeLessThan(count);
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var near = _db.GeoItems.Near("idx_spatial", (40.10, -73.10), 30.0).ToList();
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near.Count.ShouldBeGreaterThan(0);
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}
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} |