Joseph Doherty
53 lines
2.3 KiB
C#
53 lines
2.3 KiB
C#
using ZB.MOM.WW.ScadaBridge.Commons.Entities.Deployment;
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using ZB.MOM.WW.ScadaBridge.ConfigurationDatabase.Repositories;
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namespace ZB.MOM.WW.ScadaBridge.ConfigurationDatabase.Tests;
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/// <summary>
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/// Retention purge for <see cref="SystemArtifactDeploymentRecord"/> rows (review 2026-10-21
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/// 08/G2): one row is written per Deploy Artifacts run and nothing reads them back, so they
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/// must share the terminal deployment-record retention window.
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/// </summary>
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public sealed class SystemArtifactDeploymentPurgeTests : IDisposable
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{
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private readonly ScadaBridgeDbContext _context = SqliteTestHelper.CreateInMemoryContext();
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private readonly DeploymentManagerRepository _repository;
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/// <summary>Initializes the repository over a fresh in-memory SQLite context.</summary>
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public SystemArtifactDeploymentPurgeTests()
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{
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_repository = new DeploymentManagerRepository(_context);
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}
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/// <summary>Releases the in-memory database.</summary>
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public void Dispose() => _context.Dispose();
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private async Task SeedAsync(DateTimeOffset deployedAt)
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{
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await _repository.AddSystemArtifactDeploymentAsync(
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new SystemArtifactDeploymentRecord("Artifacts", "admin") { DeployedAt = deployedAt });
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await _repository.SaveChangesAsync();
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}
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/// <summary>Only rows older than the cutoff are deleted, in bounded batches.</summary>
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/// <returns>A task that represents the asynchronous operation.</returns>
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[Fact]
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public async Task Purge_DeletesOnlyRowsOlderThanCutoff_InBoundedBatches()
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{
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var now = DateTimeOffset.UtcNow;
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await SeedAsync(now.AddDays(-400));
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await SeedAsync(now.AddDays(-380));
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await SeedAsync(now.AddDays(-370));
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await SeedAsync(now.AddDays(-1));
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var cutoff = now.AddDays(-365);
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Assert.Equal(2, await _repository.PurgeSystemArtifactDeploymentRecordsAsync(cutoff, batchSize: 2));
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Assert.Equal(1, await _repository.PurgeSystemArtifactDeploymentRecordsAsync(cutoff, batchSize: 2));
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Assert.Equal(0, await _repository.PurgeSystemArtifactDeploymentRecordsAsync(cutoff, batchSize: 2));
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var remaining = await _repository.GetAllSystemArtifactDeploymentsAsync();
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var survivor = Assert.Single(remaining);
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Assert.True(survivor.DeployedAt > cutoff);
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}
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}
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