Joseph Doherty
79 lines
3.1 KiB
C#
79 lines
3.1 KiB
C#
using Microsoft.EntityFrameworkCore;
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using Microsoft.Extensions.DependencyInjection;
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using Microsoft.Extensions.Logging.Abstractions;
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using Microsoft.Extensions.Options;
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using ZB.MOM.WW.ScadaBridge.Commons.Entities.Audit;
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using ZB.MOM.WW.ScadaBridge.ConfigurationDatabase.Maintenance;
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namespace ZB.MOM.WW.ScadaBridge.ConfigurationDatabase.Tests.Maintenance;
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/// <summary>Tests for the opt-in config-audit retention purge (review 2026-10-21 08/G1).</summary>
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public class ConfigAuditPurgeServiceTests : IDisposable
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{
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private readonly ScadaBridgeDbContext _context = SqliteTestHelper.CreateInMemoryContext();
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public void Dispose()
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{
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_context.Database.CloseConnection();
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_context.Dispose();
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}
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private ConfigAuditPurgeService Create(ConfigAuditOptions opts)
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{
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var services = new ServiceCollection();
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services.AddSingleton(_context);
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return new ConfigAuditPurgeService(
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services.BuildServiceProvider().GetRequiredService<IServiceScopeFactory>(),
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Options.Create(opts),
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TimeProvider.System,
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NullLogger<ConfigAuditPurgeService>.Instance);
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}
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private async Task SeedAsync(int oldCount, int recentCount)
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{
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var now = DateTimeOffset.UtcNow;
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for (var i = 0; i < oldCount; i++)
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_context.AuditLogEntries.Add(new AuditLogEntry("u", "Create", "Template", $"o{i}", $"Old{i}") { Timestamp = now.AddDays(-100).AddMinutes(i) });
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for (var i = 0; i < recentCount; i++)
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_context.AuditLogEntries.Add(new AuditLogEntry("u", "Create", "Template", $"r{i}", $"New{i}") { Timestamp = now.AddDays(-1) });
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await _context.SaveChangesAsync();
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}
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[Fact]
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public async Task RetentionZero_DeletesNothing()
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{
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await SeedAsync(5, 2);
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var deleted = await Create(new ConfigAuditOptions { RetentionDays = 0 }).PurgeOnceAsync();
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Assert.Equal(0, deleted);
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Assert.Equal(7, _context.AuditLogEntries.Count());
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}
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[Fact]
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public async Task Retention_DeletesOnlyOlderThanWindow_AcrossBatches()
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{
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await SeedAsync(25, 3);
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var deleted = await Create(new ConfigAuditOptions { RetentionDays = 30, PurgeBatchSize = 10 }).PurgeOnceAsync();
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Assert.Equal(25, deleted);
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Assert.Equal(3, _context.AuditLogEntries.Count());
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}
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[Fact]
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public async Task Retention_MaxBatchesPerTick_TimeSlicesTheBacklog()
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{
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await SeedAsync(25, 0);
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var svc = Create(new ConfigAuditOptions { RetentionDays = 30, PurgeBatchSize = 10, MaxBatchesPerTick = 2 });
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Assert.Equal(20, await svc.PurgeOnceAsync());
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Assert.Equal(5, await svc.PurgeOnceAsync());
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}
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[Fact]
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public void Validator_RejectsNegativeRetention_AcceptsZero()
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{
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var v = new ConfigAuditOptionsValidator();
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Assert.True(v.Validate(null, new ConfigAuditOptions { RetentionDays = 0 }).Succeeded);
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Assert.True(v.Validate(null, new ConfigAuditOptions { RetentionDays = 90 }).Succeeded);
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Assert.False(v.Validate(null, new ConfigAuditOptions { RetentionDays = -1 }).Succeeded);
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Assert.False(v.Validate(null, new ConfigAuditOptions { PurgeBatchSize = 0 }).Succeeded);
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}
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}
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